Turn on the built-in LED when software starts up

This now sends a set of lights to the dashboard from a pico. I had to
adjust some of the colors as they do not look nearly as good in lights
as they do in the screen. There is no real application loop yet, no the
ability to get feedback from external controls.

.gitignore

@@ -5,7 +5,7 @@ dist
 result
 *.tgz
 *.tar.gz
-file-service/*.sqlite
+*.sqlite
-file-service/*.sqlite-shm
+*.sqlite-shm
-file-service/*.sqlite-wal
+*.sqlite-wal
 file-service/var

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "rust-analyzer.showUnlinkedFileNotification": false
+}

Cargo.toml

@@ -2,6 +2,9 @@
 resolver = "2"
 members = [
     "authdb",
+    "bike-lights/bike",
+    "bike-lights/core",
+    "bike-lights/simulator",
     "changeset",
     "config",
     "config-derive",
@@ -10,18 +13,22 @@ members = [
     "dashboard",
     "emseries",
     "file-service",
+    "fitnesstrax/core",
+    "fitnesstrax/app",
     "fluent-ergonomics",
     "geo-types",
     "gm-control-panel",
     "hex-grid",
+    "icon-test",
     "ifc",
-    "kifu/core",
-    "kifu/gtk",
     "memorycache",
     "nom-training",
-    "pico-blink",
+    "otg/core",
+    "otg/gtk",
     "result-extended",
     "screenplay",
     "sgf",
+    "timezone-testing",
     "tree",
+    "visions/server",
 ]

Makefile

@@ -1,30 +0,0 @@
-
-all: test bin
-
-test: kifu-core/test-oneshot sgf/test-oneshot
-
-bin: kifu-gtk 
-
-kifu-core/dev:
-	cd kifu/core && make test
-
-kifu-core/test:
-	cd kifu/core && make test
-
-kifu-core/test-oneshot:
-	cd kifu/core && make test-oneshot
-
-kifu-gtk:
-	cd kifu/gtk && make release
-
-kifu-gtk/dev:
-	cd kifu/gtk && make dev
-
-kifu-pwa:
-	cd kifu/pwa && make release
-
-kifu-pwa/dev:
-	pushd kifu/pwa && make dev
-
-kifu-pwa/server:
-	pushd kifu/pwa && make server

bike-lights/bike/.cargo/config

@@ -0,0 +1,12 @@
+[build]
+target = "thumbv6m-none-eabi"
+
+[target.thumbv6m-none-eabi]
+rustflags = [
+    "-C", "link-arg=--nmagic",
+    "-C", "link-arg=-Tlink.x",
+    "-C", "inline-threshold=5",
+    "-C", "no-vectorize-loops",
+]
+
+runner = "elf2uf2-rs -d"

bike-lights/bike/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "bike"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+az              = { version = "1" }
+cortex-m-rt     = { version = "0.7.3" }
+cortex-m        = { version = "0.7.7" }
+embedded-alloc  = { version = "0.5.1" }
+embedded-hal    = { version = "0.2.7" }
+fixed           = { version = "1" }
+fugit           = { version = "0.3.7" }
+lights-core     = { path = "../core" }
+panic-halt      = { version = "0.2.0" }
+rp-pico         = { version = "0.8.0" }

bike-lights/bike/src/main.rs

@@ -0,0 +1,222 @@
+#![no_main]
+#![no_std]
+
+extern crate alloc;
+
+use alloc::boxed::Box;
+use az::*;
+use core::cell::RefCell;
+use cortex_m::delay::Delay;
+use embedded_alloc::Heap;
+use embedded_hal::{blocking::spi::Write, digital::v2::InputPin, digital::v2::OutputPin};
+use fixed::types::I16F16;
+use fugit::RateExtU32;
+use lights_core::{App, BodyPattern, DashboardPattern, Event, Instant, FPS, UI};
+use panic_halt as _;
+use rp_pico::{
+    entry,
+    hal::{
+        clocks::init_clocks_and_plls,
+        gpio::{FunctionSio, Pin, PinId, PullUp, SioInput},
+        pac::{CorePeripherals, Peripherals},
+        spi::{Enabled, Spi, SpiDevice, ValidSpiPinout},
+        watchdog::Watchdog,
+        Clock, Sio,
+    },
+    Pins,
+};
+
+#[global_allocator]
+static HEAP: Heap = Heap::empty();
+
+const LIGHT_SCALE: I16F16 = I16F16::lit("256.0");
+const DASHBOARD_BRIGHTESS: u8 = 1;
+const BODY_BRIGHTNESS: u8 = 8;
+
+struct DebouncedButton<P: PinId> {
+    debounce: Instant,
+    pin: Pin<P, FunctionSio<SioInput>, PullUp>,
+}
+
+impl<P: PinId> DebouncedButton<P> {
+    fn new(pin: Pin<P, FunctionSio<SioInput>, PullUp>) -> Self {
+        Self {
+            debounce: Instant((0 as u32).into()),
+            pin,
+        }
+    }
+
+    fn is_low(&self, time: Instant) -> bool {
+        if time <= self.debounce {
+            return false;
+        }
+        self.pin.is_low().unwrap_or(false)
+    }
+
+    fn set_debounce(&mut self, time: Instant) {
+        self.debounce = time + Instant((250 as u32).into());
+    }
+}
+
+struct BikeUI<
+    D: SpiDevice,
+    P: ValidSpiPinout<D>,
+    LeftId: PinId,
+    RightId: PinId,
+    PreviousId: PinId,
+    NextId: PinId,
+> {
+    spi: RefCell<Spi<Enabled, D, P, 8>>,
+    left_blinker_button: DebouncedButton<LeftId>,
+    right_blinker_button: DebouncedButton<RightId>,
+    previous_animation_button: DebouncedButton<PreviousId>,
+    next_animation_button: DebouncedButton<NextId>,
+}
+
+impl<
+        D: SpiDevice,
+        P: ValidSpiPinout<D>,
+        LeftId: PinId,
+        RightId: PinId,
+        PreviousId: PinId,
+        NextId: PinId,
+    > BikeUI<D, P, LeftId, RightId, PreviousId, NextId>
+{
+    fn new(
+        spi: Spi<Enabled, D, P, 8>,
+        left_blinker_button: Pin<LeftId, FunctionSio<SioInput>, PullUp>,
+        right_blinker_button: Pin<RightId, FunctionSio<SioInput>, PullUp>,
+        previous_animation_button: Pin<PreviousId, FunctionSio<SioInput>, PullUp>,
+        next_animation_button: Pin<NextId, FunctionSio<SioInput>, PullUp>,
+    ) -> Self {
+        Self {
+            spi: RefCell::new(spi),
+            left_blinker_button: DebouncedButton::new(left_blinker_button),
+            right_blinker_button: DebouncedButton::new(right_blinker_button),
+            previous_animation_button: DebouncedButton::new(previous_animation_button),
+            next_animation_button: DebouncedButton::new(next_animation_button),
+        }
+    }
+}
+
+impl<
+        D: SpiDevice,
+        P: ValidSpiPinout<D>,
+        LeftId: PinId,
+        RightId: PinId,
+        PreviousId: PinId,
+        NextId: PinId,
+    > UI for BikeUI<D, P, LeftId, RightId, PreviousId, NextId>
+{
+    fn check_event(&mut self, current_time: Instant) -> Option<Event> {
+        if self.left_blinker_button.is_low(current_time) {
+            self.left_blinker_button.set_debounce(current_time);
+            Some(Event::LeftBlinker)
+        } else if self.right_blinker_button.is_low(current_time) {
+            self.right_blinker_button.set_debounce(current_time);
+            Some(Event::RightBlinker)
+        } else if self.previous_animation_button.is_low(current_time) {
+            self.previous_animation_button.set_debounce(current_time);
+            Some(Event::PreviousPattern)
+        } else if self.next_animation_button.is_low(current_time) {
+            self.next_animation_button.set_debounce(current_time);
+            Some(Event::NextPattern)
+        } else {
+            None
+        }
+    }
+
+    fn update_lights(&self, dashboard_lights: DashboardPattern, body_lights: BodyPattern) {
+        let mut lights: [u8; 260] = [0; 260];
+        lights[256] = 0xff;
+        lights[257] = 0xff;
+        lights[258] = 0xff;
+        lights[259] = 0xff;
+        for (idx, rgb) in dashboard_lights.iter().enumerate() {
+            lights[(idx + 1) * 4 + 0] = 0xe0 + DASHBOARD_BRIGHTESS;
+            lights[(idx + 1) * 4 + 1] = (I16F16::from(rgb.r) * LIGHT_SCALE).saturating_as();
+            lights[(idx + 1) * 4 + 2] = (I16F16::from(rgb.b) * LIGHT_SCALE).saturating_as();
+            lights[(idx + 1) * 4 + 3] = (I16F16::from(rgb.g) * LIGHT_SCALE).saturating_as();
+        }
+        for (idx, rgb) in body_lights.iter().enumerate() {
+            lights[(idx + 4) * 4 + 0] = 0xe0 + BODY_BRIGHTNESS;
+            lights[(idx + 4) * 4 + 1] = (I16F16::from(rgb.b) * LIGHT_SCALE).saturating_as();
+            lights[(idx + 4) * 4 + 2] = (I16F16::from(rgb.g) * LIGHT_SCALE).saturating_as();
+            lights[(idx + 4) * 4 + 3] = (I16F16::from(rgb.r) * LIGHT_SCALE).saturating_as();
+        }
+        let mut spi = self.spi.borrow_mut();
+        spi.write(lights.as_slice());
+    }
+}
+
+#[entry]
+fn main() -> ! {
+    {
+        use core::mem::MaybeUninit;
+        const HEAP_SIZE: usize = 8096;
+        static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
+        unsafe { HEAP.init(HEAP_MEM.as_ptr() as usize, HEAP_SIZE) }
+    }
+
+    let mut pac = Peripherals::take().unwrap();
+    let core = CorePeripherals::take().unwrap();
+    let sio = Sio::new(pac.SIO);
+    let mut watchdog = Watchdog::new(pac.WATCHDOG);
+
+    let pins = Pins::new(
+        pac.IO_BANK0,
+        pac.PADS_BANK0,
+        sio.gpio_bank0,
+        &mut pac.RESETS,
+    );
+
+    let clocks = init_clocks_and_plls(
+        12_000_000u32,
+        pac.XOSC,
+        pac.CLOCKS,
+        pac.PLL_SYS,
+        pac.PLL_USB,
+        &mut pac.RESETS,
+        &mut watchdog,
+    )
+    .ok()
+    .unwrap();
+
+    let mut delay = Delay::new(core.SYST, clocks.system_clock.freq().to_Hz());
+    let mut spi_clk = pins.gpio10.into_function();
+    let mut spi_sdo = pins.gpio11.into_function();
+    let spi = Spi::<_, _, _, 8>::new(pac.SPI1, (spi_sdo, spi_clk));
+    let mut spi = spi.init(
+        &mut pac.RESETS,
+        clocks.peripheral_clock.freq(),
+        1_u32.MHz(),
+        embedded_hal::spi::MODE_1,
+    );
+
+    let left_blinker_button = pins.gpio18.into_pull_up_input();
+    let right_blinker_button = pins.gpio19.into_pull_up_input();
+    let previous_animation_button = pins.gpio20.into_pull_up_input();
+    let next_animation_button = pins.gpio21.into_pull_up_input();
+
+    let ui = BikeUI::new(
+        spi,
+        left_blinker_button,
+        right_blinker_button,
+        previous_animation_button,
+        next_animation_button,
+    );
+
+    let mut app = App::new(Box::new(ui));
+
+    let mut led_pin = pins.led.into_push_pull_output();
+    led_pin.set_high();
+
+    let mut time = Instant::default();
+    let delay_ms = 1000 / (FPS as u32);
+    loop {
+        app.tick(time);
+
+        delay.delay_ms(delay_ms);
+        time = time + Instant(delay_ms.into());
+    }
+}

bike-lights/core/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "lights-core"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+az      = { version = "1" }
+fixed   = { version = "1" }

bike-lights/core/src/lib.rs

@@ -0,0 +1,481 @@
+#![no_std]
+
+extern crate alloc;
+use alloc::boxed::Box;
+use az::*;
+use core::{
+    clone::Clone,
+    cmp::PartialEq,
+    default::Default,
+    ops::{Add, Sub},
+    option::Option,
+};
+use fixed::types::{I48F16, I8F8, U128F0, U16F0};
+
+mod patterns;
+pub use patterns::*;
+
+mod types;
+pub use types::{BodyPattern, DashboardPattern, RGB};
+
+fn calculate_frames(starting_time: U128F0, now: U128F0) -> U16F0 {
+    let frames_128 = (now - starting_time) / U128F0::from(FPS);
+    (frames_128 % U128F0::from(U16F0::MAX)).cast()
+}
+
+fn calculate_slope(start: I8F8, end: I8F8, frames: U16F0) -> I8F8 {
+    let slope_i16f16 = (I48F16::from(end) - I48F16::from(start)) / I48F16::from(frames);
+    slope_i16f16.saturating_as()
+}
+
+fn linear_ease(value: I8F8, frames: U16F0, slope: I8F8) -> I8F8 {
+    let value_i16f16 = I48F16::from(value) + I48F16::from(frames) * I48F16::from(slope);
+    value_i16f16.saturating_as()
+}
+
+#[derive(Clone, Copy, PartialOrd, Ord, PartialEq, Eq)]
+pub struct Instant(pub U128F0);
+
+impl Default for Instant {
+    fn default() -> Self {
+        Self(U128F0::from(0 as u8))
+    }
+}
+
+impl Add for Instant {
+    type Output = Self;
+
+    fn add(self, r: Self) -> Self::Output {
+        Self(self.0 + r.0)
+    }
+}
+
+impl Sub for Instant {
+    type Output = Self;
+
+    fn sub(self, r: Self) -> Self::Output {
+        Self(self.0 - r.0)
+    }
+}
+
+pub const FPS: u8 = 30;
+
+pub trait UI {
+    fn check_event(&mut self, current_time: Instant) -> Option<Event>;
+    fn update_lights(&self, dashboard_lights: DashboardPattern, body_lights: BodyPattern);
+}
+
+pub trait Animation {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern);
+}
+
+/*
+pub struct DefaultAnimation {}
+
+impl Animation for DefaultAnimation {
+    fn tick(&mut self, _: Instant) -> (DashboardPattern, BodyPattern) {
+        (WATER_DASHBOARD, WATER_BODY)
+    }
+}
+*/
+
+pub struct Fade {
+    starting_dashboard: DashboardPattern,
+    starting_lights: BodyPattern,
+
+    start_time: Instant,
+    dashboard_slope: [RGB<I8F8>; 3],
+    body_slope: [RGB<I8F8>; 60],
+    frames: U16F0,
+}
+
+impl Fade {
+    fn new(
+        dashboard: DashboardPattern,
+        lights: BodyPattern,
+        ending_dashboard: DashboardPattern,
+        ending_lights: BodyPattern,
+        frames: U16F0,
+        time: Instant,
+    ) -> Self {
+        let mut dashboard_slope = [Default::default(); 3];
+        let mut body_slope = [Default::default(); 60];
+        for i in 0..3 {
+            let slope = RGB {
+                r: calculate_slope(dashboard[i].r, ending_dashboard[i].r, frames),
+                g: calculate_slope(dashboard[i].g, ending_dashboard[i].g, frames),
+                b: calculate_slope(dashboard[i].b, ending_dashboard[i].b, frames),
+            };
+            dashboard_slope[i] = slope;
+        }
+
+        for i in 0..60 {
+            let slope = RGB {
+                r: calculate_slope(lights[i].r, ending_lights[i].r, frames),
+                g: calculate_slope(lights[i].g, ending_lights[i].g, frames),
+                b: calculate_slope(lights[i].b, ending_lights[i].b, frames),
+            };
+            body_slope[i] = slope;
+        }
+
+        Self {
+            starting_dashboard: dashboard,
+            starting_lights: lights,
+            start_time: time,
+            dashboard_slope,
+            body_slope,
+            frames,
+        }
+    }
+}
+
+impl Animation for Fade {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern) {
+        let mut frames = calculate_frames(self.start_time.0, time.0);
+        if frames > self.frames {
+            frames = self.frames
+        }
+        let mut dashboard_pattern: DashboardPattern = OFF_DASHBOARD;
+        let mut body_pattern: BodyPattern = OFF_BODY;
+
+        for i in 0..3 {
+            dashboard_pattern[i].r = linear_ease(
+                self.starting_dashboard[i].r,
+                frames,
+                self.dashboard_slope[i].r,
+            );
+            dashboard_pattern[i].g = linear_ease(
+                self.starting_dashboard[i].g,
+                frames,
+                self.dashboard_slope[i].g,
+            );
+            dashboard_pattern[i].b = linear_ease(
+                self.starting_dashboard[i].b,
+                frames,
+                self.dashboard_slope[i].b,
+            );
+        }
+
+        for i in 0..60 {
+            body_pattern[i].r =
+                linear_ease(self.starting_lights[i].r, frames, self.body_slope[i].r);
+            body_pattern[i].g =
+                linear_ease(self.starting_lights[i].g, frames, self.body_slope[i].g);
+            body_pattern[i].b =
+                linear_ease(self.starting_lights[i].b, frames, self.body_slope[i].b);
+        }
+
+        (dashboard_pattern, body_pattern)
+    }
+}
+
+#[derive(Debug)]
+pub enum FadeDirection {
+    Transition,
+    FadeIn,
+    FadeOut,
+}
+
+pub enum BlinkerDirection {
+    Left,
+    Right,
+}
+
+pub struct Blinker {
+    transition: Fade,
+    fade_in: Fade,
+    fade_out: Fade,
+    direction: FadeDirection,
+
+    start_time: Instant,
+    frames: U16F0,
+}
+
+impl Blinker {
+    fn new(
+        starting_dashboard: DashboardPattern,
+        starting_body: BodyPattern,
+        direction: BlinkerDirection,
+        time: Instant,
+    ) -> Self {
+        let mut ending_dashboard = OFF_DASHBOARD.clone();
+
+        match direction {
+            BlinkerDirection::Left => {
+                ending_dashboard[0].r = LEFT_BLINKER_DASHBOARD[0].r;
+                ending_dashboard[0].g = LEFT_BLINKER_DASHBOARD[0].g;
+                ending_dashboard[0].b = LEFT_BLINKER_DASHBOARD[0].b;
+            }
+            BlinkerDirection::Right => {
+                ending_dashboard[2].r = RIGHT_BLINKER_DASHBOARD[2].r;
+                ending_dashboard[2].g = RIGHT_BLINKER_DASHBOARD[2].g;
+                ending_dashboard[2].b = RIGHT_BLINKER_DASHBOARD[2].b;
+            }
+        }
+
+        let mut ending_body = OFF_BODY.clone();
+        match direction {
+            BlinkerDirection::Left => {
+                for i in 0..30 {
+                    ending_body[i].r = LEFT_BLINKER_BODY[i].r;
+                    ending_body[i].g = LEFT_BLINKER_BODY[i].g;
+                    ending_body[i].b = LEFT_BLINKER_BODY[i].b;
+                }
+            }
+            BlinkerDirection::Right => {
+                for i in 30..60 {
+                    ending_body[i].r = RIGHT_BLINKER_BODY[i].r;
+                    ending_body[i].g = RIGHT_BLINKER_BODY[i].g;
+                    ending_body[i].b = RIGHT_BLINKER_BODY[i].b;
+                }
+            }
+        }
+
+        Blinker {
+            transition: Fade::new(
+                starting_dashboard.clone(),
+                starting_body.clone(),
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            fade_in: Fade::new(
+                OFF_DASHBOARD.clone(),
+                OFF_BODY.clone(),
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            fade_out: Fade::new(
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                OFF_DASHBOARD.clone(),
+                OFF_BODY.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            direction: FadeDirection::Transition,
+            start_time: time,
+            frames: BLINKER_FRAMES,
+        }
+    }
+}
+
+impl Animation for Blinker {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern) {
+        let frames = calculate_frames(self.start_time.0, time.0);
+        if frames > self.frames {
+            match self.direction {
+                FadeDirection::Transition => {
+                    self.direction = FadeDirection::FadeOut;
+                    self.fade_out.start_time = time;
+                }
+                FadeDirection::FadeIn => {
+                    self.direction = FadeDirection::FadeOut;
+                    self.fade_out.start_time = time;
+                }
+                FadeDirection::FadeOut => {
+                    self.direction = FadeDirection::FadeIn;
+                    self.fade_in.start_time = time;
+                }
+            }
+            self.start_time = time;
+        }
+
+        match self.direction {
+            FadeDirection::Transition => self.transition.tick(time),
+            FadeDirection::FadeIn => self.fade_in.tick(time),
+            FadeDirection::FadeOut => self.fade_out.tick(time),
+        }
+    }
+}
+
+#[derive(Clone, Debug)]
+pub enum Event {
+    Brake,
+    BrakeRelease,
+    LeftBlinker,
+    NextPattern,
+    PreviousPattern,
+    RightBlinker,
+}
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub enum Pattern {
+    Water,
+    GayPride,
+    TransPride,
+}
+
+impl Pattern {
+    fn previous(&self) -> Pattern {
+        match self {
+            Pattern::Water => Pattern::TransPride,
+            Pattern::GayPride => Pattern::Water,
+            Pattern::TransPride => Pattern::GayPride,
+        }
+    }
+
+    fn next(&self) -> Pattern {
+        match self {
+            Pattern::Water => Pattern::GayPride,
+            Pattern::GayPride => Pattern::TransPride,
+            Pattern::TransPride => Pattern::Water,
+        }
+    }
+
+    fn dashboard(&self) -> DashboardPattern {
+        match self {
+            Pattern::Water => WATER_DASHBOARD,
+            Pattern::GayPride => PRIDE_DASHBOARD,
+            Pattern::TransPride => TRANS_PRIDE_DASHBOARD,
+        }
+    }
+
+    fn body(&self) -> BodyPattern {
+        match self {
+            Pattern::Water => OFF_BODY,
+            Pattern::GayPride => PRIDE_BODY,
+            Pattern::TransPride => TRANS_PRIDE_BODY,
+        }
+    }
+}
+
+#[derive(Clone, Debug, PartialEq)]
+pub enum State {
+    Pattern(Pattern),
+    Brake,
+    LeftBlinker,
+    RightBlinker,
+    BrakeLeftBlinker,
+    BrakeRightBlinker,
+}
+
+pub struct App {
+    ui: Box<dyn UI>,
+    state: State,
+    home_pattern: Pattern,
+    current_animation: Box<dyn Animation>,
+    dashboard_lights: DashboardPattern,
+    lights: BodyPattern,
+}
+
+impl App {
+    pub fn new(ui: Box<dyn UI>) -> Self {
+        let pattern = Pattern::Water;
+        Self {
+            ui,
+            state: State::Pattern(pattern),
+            home_pattern: pattern,
+            current_animation: Box::new(Fade::new(
+                OFF_DASHBOARD,
+                OFF_BODY,
+                pattern.dashboard(),
+                pattern.body(),
+                DEFAULT_FRAMES,
+                Instant((0 as u32).into()),
+            )),
+            dashboard_lights: OFF_DASHBOARD,
+            lights: OFF_BODY,
+        }
+    }
+
+    fn update_animation(&mut self, time: Instant) {
+        match self.state {
+            State::Pattern(ref pattern) => {
+                self.current_animation = Box::new(Fade::new(
+                    self.dashboard_lights.clone(),
+                    self.lights.clone(),
+                    pattern.dashboard(),
+                    pattern.body(),
+                    DEFAULT_FRAMES,
+                    time,
+                ))
+            }
+            State::Brake => {
+                self.current_animation = Box::new(Fade::new(
+                    self.dashboard_lights.clone(),
+                    self.lights.clone(),
+                    BRAKES_DASHBOARD,
+                    BRAKES_BODY,
+                    BRAKES_FRAMES,
+                    time,
+                ));
+            }
+            State::LeftBlinker => {
+                self.current_animation = Box::new(Blinker::new(
+                    self.dashboard_lights.clone(),
+                    self.lights.clone(),
+                    BlinkerDirection::Left,
+                    time,
+                ));
+            }
+            State::RightBlinker => {
+                self.current_animation = Box::new(Blinker::new(
+                    self.dashboard_lights.clone(),
+                    self.lights.clone(),
+                    BlinkerDirection::Right,
+                    time,
+                ));
+            }
+            State::BrakeLeftBlinker => (),
+            State::BrakeRightBlinker => (),
+        }
+    }
+
+    fn update_state(&mut self, event: Event) {
+        match event {
+            Event::Brake => {
+                if self.state == State::Brake {
+                    self.state = State::Pattern(self.home_pattern);
+                } else {
+                    self.state = State::Brake;
+                }
+            }
+            Event::BrakeRelease => self.state = State::Pattern(self.home_pattern),
+            Event::LeftBlinker => match self.state {
+                State::Brake => self.state = State::BrakeLeftBlinker,
+                State::BrakeLeftBlinker => self.state = State::Brake,
+                State::LeftBlinker => self.state = State::Pattern(self.home_pattern),
+                _ => self.state = State::LeftBlinker,
+            },
+            Event::NextPattern => match self.state {
+                State::Pattern(ref pattern) => {
+                    self.home_pattern = pattern.next();
+                    self.state = State::Pattern(self.home_pattern);
+                }
+                _ => (),
+            },
+            Event::PreviousPattern => match self.state {
+                State::Pattern(ref pattern) => {
+                    self.home_pattern = pattern.previous();
+                    self.state = State::Pattern(self.home_pattern);
+                }
+                _ => (),
+            },
+            Event::RightBlinker => match self.state {
+                State::Brake => self.state = State::BrakeRightBlinker,
+                State::BrakeRightBlinker => self.state = State::Brake,
+                State::RightBlinker => self.state = State::Pattern(self.home_pattern),
+                _ => self.state = State::RightBlinker,
+            },
+        }
+    }
+
+    pub fn tick(&mut self, time: Instant) {
+        match self.ui.check_event(time) {
+            Some(event) => {
+                self.update_state(event);
+                self.update_animation(time);
+            }
+            None => {}
+        };
+
+        let (dashboard, lights) = self.current_animation.tick(time);
+        self.dashboard_lights = dashboard.clone();
+        self.lights = lights.clone();
+        self.ui.update_lights(dashboard, lights);
+    }
+}

bike-lights/core/src/patterns.rs

@@ -0,0 +1,333 @@
+use crate::{BodyPattern, DashboardPattern, RGB};
+use fixed::types::{I8F8, U16F0};
+
+pub const RGB_OFF: RGB<I8F8> = RGB {
+    r: I8F8::lit("0"),
+    g: I8F8::lit("0"),
+    b: I8F8::lit("0"),
+};
+
+pub const RGB_WHITE: RGB<I8F8> = RGB {
+    r: I8F8::lit("1"),
+    g: I8F8::lit("1"),
+    b: I8F8::lit("1"),
+};
+
+pub const BRAKES_RED: RGB<I8F8> = RGB {
+    r: I8F8::lit("1"),
+    g: I8F8::lit("0"),
+    b: I8F8::lit("0"),
+};
+
+pub const BLINKER_AMBER: RGB<I8F8> = RGB {
+    r: I8F8::lit("1"),
+    g: I8F8::lit("0.15"),
+    b: I8F8::lit("0"),
+};
+
+pub const PRIDE_RED: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.95"),
+    g: I8F8::lit("0.00"),
+    b: I8F8::lit("0.00"),
+};
+
+pub const PRIDE_ORANGE: RGB<I8F8> = RGB {
+    r: I8F8::lit("1.0"),
+    g: I8F8::lit("0.25"),
+    b: I8F8::lit("0"),
+};
+
+pub const PRIDE_YELLOW: RGB<I8F8> = RGB {
+    r: I8F8::lit("1.0"),
+    g: I8F8::lit("0.85"),
+    b: I8F8::lit("0"),
+};
+
+pub const PRIDE_GREEN: RGB<I8F8> = RGB {
+    r: I8F8::lit("0"),
+    g: I8F8::lit("0.95"),
+    b: I8F8::lit("0.05"),
+};
+
+pub const PRIDE_INDIGO: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.04"),
+    g: I8F8::lit("0.15"),
+    b: I8F8::lit("0.55"),
+};
+
+pub const PRIDE_VIOLET: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.75"),
+    g: I8F8::lit("0.0"),
+    b: I8F8::lit("0.80"),
+};
+
+pub const TRANS_BLUE: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.06"),
+    g: I8F8::lit("0.41"),
+    b: I8F8::lit("0.98"),
+};
+
+pub const TRANS_PINK: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.96"),
+    g: I8F8::lit("0.16"),
+    b: I8F8::lit("0.32"),
+};
+
+pub const WATER_1: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.0"),
+    g: I8F8::lit("0.0"),
+    b: I8F8::lit("0.75"),
+};
+
+pub const WATER_2: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.8"),
+    g: I8F8::lit("0.8"),
+    b: I8F8::lit("0.8"),
+};
+
+pub const WATER_3: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.00"),
+    g: I8F8::lit("0.75"),
+    b: I8F8::lit("0.75"),
+};
+
+pub const OFF_DASHBOARD: DashboardPattern = [RGB_OFF; 3];
+pub const OFF_BODY: BodyPattern = [RGB_OFF; 60];
+
+pub const DEFAULT_FRAMES: U16F0 = U16F0::lit("30");
+
+pub const WATER_DASHBOARD: DashboardPattern = [WATER_1, WATER_2, WATER_3];
+
+pub const WATER_BODY: BodyPattern = [RGB_OFF; 60];
+
+pub const PRIDE_DASHBOARD: DashboardPattern = [PRIDE_RED, PRIDE_GREEN, PRIDE_INDIGO];
+
+pub const PRIDE_BODY: BodyPattern = [
+    // Left Side
+    // Red
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    // Orange
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    // Yellow
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    // Green
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    // Indigo
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    // Violet
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    // Right Side
+    // Violet
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    // Indigo
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    // Green
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    // Yellow
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    // Orange
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    // Red
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+];
+
+pub const TRANS_PRIDE_DASHBOARD: DashboardPattern = [TRANS_BLUE, RGB_WHITE, TRANS_PINK];
+
+pub const TRANS_PRIDE_BODY: BodyPattern = [
+    // Left Side
+    TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_PINK, TRANS_PINK,
+    TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, RGB_WHITE, RGB_WHITE, RGB_WHITE, RGB_WHITE,
+    RGB_WHITE, RGB_WHITE, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK,
+    TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE,
+    // Right side
+    TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_PINK, TRANS_PINK,
+    TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, RGB_WHITE, RGB_WHITE, RGB_WHITE, RGB_WHITE,
+    RGB_WHITE, RGB_WHITE, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK,
+    TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE,
+];
+
+pub const BRAKES_FRAMES: U16F0 = U16F0::lit("15");
+
+pub const BRAKES_DASHBOARD: DashboardPattern = [BRAKES_RED; 3];
+
+pub const BRAKES_BODY: BodyPattern = [BRAKES_RED; 60];
+
+pub const BLINKER_FRAMES: U16F0 = U16F0::lit("10");
+
+pub const LEFT_BLINKER_DASHBOARD: DashboardPattern = [BLINKER_AMBER, RGB_OFF, RGB_OFF];
+
+pub const LEFT_BLINKER_BODY: BodyPattern = [
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+];
+
+pub const RIGHT_BLINKER_DASHBOARD: DashboardPattern = [RGB_OFF, RGB_OFF, BLINKER_AMBER];
+
+pub const RIGHT_BLINKER_BODY: BodyPattern = [
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+];

bike-lights/core/src/types.rs

@@ -0,0 +1,17 @@
+use core::default::Default;
+use fixed::types::I8F8;
+
+#[derive(Clone, Copy, Default, Debug)]
+pub struct RGB<T> {
+    pub r: T,
+    pub g: T,
+    pub b: T,
+}
+
+const DASHBOARD_LIGHT_COUNT: usize = 3;
+
+pub type DashboardPattern = [RGB<I8F8>; DASHBOARD_LIGHT_COUNT];
+
+const BODY_LIGHT_COUNT: usize = 60;
+
+pub type BodyPattern = [RGB<I8F8>; BODY_LIGHT_COUNT];

bike-lights/simulator/Cargo.toml

@@ -1,34 +1,16 @@
 [package]
-name = "kifu-gtk"
+name = "simulator"
 version = "0.1.0"
 edition = "2021"
 
-[features]
-screenplay = []
-
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 adw         = { version = "0.5", package = "libadwaita", features = [ "v1_2" ] }
 cairo-rs    = { version = "0.18" }
+fixed       = { version = "1" }
 gio         = { version = "0.18" }
 glib        = { version = "0.18" }
 gtk         = { version = "0.7", package = "gtk4", features = [ "v4_8" ] }
-image       = { version = "0.24" }
+lights-core = { path = "../core" }
-kifu-core   = { path = "../core" }
 pango       = { version = "*" }
-sgf         = { path = "../../sgf" }
-tokio       = { version = "1.26", features = [ "full" ] }
-
-[build-dependencies]
-glib-build-tools = "0.17"
-
-# [[bin]]
-# name = "kifu-gtk"
-# path = "src/main.rs"
-
-# [[bin]]
-# name = "screenplay"
-# path = "src/bin/screenplay.rs"
-# required-features = [ "screenplay" ]
-

bike-lights/simulator/src/main.rs

@@ -0,0 +1,288 @@
+use adw::prelude::*;
+use fixed::types::{I8F8, U128F0};
+use glib::{Object, Sender};
+use gtk::subclass::prelude::*;
+use lights_core::{
+    App, BodyPattern, DashboardPattern, Event, Instant, FPS, OFF_BODY, OFF_DASHBOARD, RGB, UI,
+};
+use std::{
+    cell::RefCell,
+    env,
+    rc::Rc,
+    sync::mpsc::{Receiver, TryRecvError},
+};
+
+const WIDTH: i32 = 640;
+const HEIGHT: i32 = 480;
+
+pub struct Update {
+    dashboard: DashboardPattern,
+    lights: BodyPattern,
+}
+
+pub struct DashboardLightsPrivate {
+    lights: Rc<RefCell<DashboardPattern>>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DashboardLightsPrivate {
+    const NAME: &'static str = "DashboardLights";
+    type Type = DashboardLights;
+    type ParentType = gtk::DrawingArea;
+
+    fn new() -> Self {
+        Self {
+            lights: Rc::new(RefCell::new(OFF_DASHBOARD)),
+        }
+    }
+}
+
+impl ObjectImpl for DashboardLightsPrivate {}
+impl WidgetImpl for DashboardLightsPrivate {}
+impl DrawingAreaImpl for DashboardLightsPrivate {}
+
+glib::wrapper! {
+    pub struct DashboardLights(ObjectSubclass<DashboardLightsPrivate>) @extends gtk::DrawingArea, gtk::Widget;
+}
+
+impl DashboardLights {
+    pub fn new() -> Self {
+        let s: Self = Object::builder().build();
+
+        s.set_width_request(WIDTH);
+        s.set_height_request(100);
+
+        s.set_draw_func({
+            let s = s.clone();
+            move |_, context, width, _| {
+                let start = width as f64 / 2. - 150.;
+                let lights = s.imp().lights.borrow();
+                for i in 0..3 {
+                    context.set_source_rgb(
+                        lights[i].r.into(),
+                        lights[i].g.into(),
+                        lights[i].b.into(),
+                    );
+                    context.rectangle(start + 100. * i as f64, 10., 80., 80.);
+                    let _ = context.fill();
+                }
+            }
+        });
+
+        s
+    }
+
+    pub fn set_lights(&self, lights: DashboardPattern) {
+        *self.imp().lights.borrow_mut() = lights;
+        self.queue_draw();
+    }
+}
+
+pub struct BikeLightsPrivate {
+    lights: Rc<RefCell<BodyPattern>>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for BikeLightsPrivate {
+    const NAME: &'static str = "BikeLights";
+    type Type = BikeLights;
+    type ParentType = gtk::DrawingArea;
+
+    fn new() -> Self {
+        Self {
+            lights: Rc::new(RefCell::new(OFF_BODY)),
+        }
+    }
+}
+
+impl ObjectImpl for BikeLightsPrivate {}
+impl WidgetImpl for BikeLightsPrivate {}
+impl DrawingAreaImpl for BikeLightsPrivate {}
+
+glib::wrapper! {
+    pub struct BikeLights(ObjectSubclass<BikeLightsPrivate>) @extends gtk::DrawingArea, gtk::Widget;
+}
+
+impl BikeLights {
+    pub fn new() -> Self {
+        let s: Self = Object::builder().build();
+
+        s.set_width_request(WIDTH);
+        s.set_height_request(640);
+
+        let center = WIDTH as f64 / 2.;
+
+        s.set_draw_func({
+            let s = s.clone();
+            move |_, context, _, _| {
+                let lights = s.imp().lights.borrow();
+                for i in 0..30 {
+                    context.set_source_rgb(
+                        lights[i].r.into(),
+                        lights[i].g.into(),
+                        lights[i].b.into(),
+                    );
+                    context.rectangle(center - 45., 5. + 20. * i as f64, 15., 15.);
+                    let _ = context.fill();
+                }
+                for i in 0..30 {
+                    context.set_source_rgb(
+                        lights[i + 30].r.into(),
+                        lights[i + 30].g.into(),
+                        lights[i + 30].b.into(),
+                    );
+                    context.rectangle(center + 15., 5. + 20. * (30. - (i + 1) as f64), 15., 15.);
+                    let _ = context.fill();
+                }
+            }
+        });
+
+        s
+    }
+
+    pub fn set_lights(&self, lights: [RGB<I8F8>; 60]) {
+        *self.imp().lights.borrow_mut() = lights;
+        self.queue_draw();
+    }
+}
+
+struct GTKUI {
+    tx: Sender<Update>,
+    rx: Receiver<Event>,
+}
+
+impl UI for GTKUI {
+    fn check_event(&mut self, _: Instant) -> Option<Event> {
+        match self.rx.try_recv() {
+            Ok(event) => Some(event),
+            Err(TryRecvError::Empty) => None,
+            Err(TryRecvError::Disconnected) => None,
+        }
+    }
+
+    fn update_lights(&self, dashboard_lights: DashboardPattern, lights: BodyPattern) {
+        self.tx
+            .send(Update {
+                dashboard: dashboard_lights,
+                lights,
+            })
+            .unwrap();
+    }
+}
+
+fn main() {
+    let adw_app = adw::Application::builder()
+        .application_id("com.luminescent-dreams.bike-light-simulator")
+        .build();
+
+    adw_app.connect_activate(move |adw_app| {
+        let (update_tx, update_rx) =
+            gtk::glib::MainContext::channel::<Update>(gtk::glib::Priority::DEFAULT);
+        let (event_tx, event_rx) = std::sync::mpsc::channel();
+
+        std::thread::spawn(move || {
+            let mut bike_app = App::new(Box::new(GTKUI {
+                tx: update_tx,
+                rx: event_rx,
+            }));
+            loop {
+                bike_app.tick(Instant(U128F0::from(
+                    std::time::SystemTime::now()
+                        .duration_since(std::time::UNIX_EPOCH)
+                        .unwrap()
+                        .as_millis(),
+                )));
+                std::thread::sleep(std::time::Duration::from_millis(1000 / (FPS as u64)));
+            }
+        });
+
+        let window = adw::ApplicationWindow::builder()
+            .application(adw_app)
+            .default_width(WIDTH)
+            .default_height(HEIGHT)
+            .build();
+        let layout = gtk::Box::builder()
+            .orientation(gtk::Orientation::Vertical)
+            .build();
+        let controls = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+
+        let dashboard_lights = DashboardLights::new();
+        let bike_lights = BikeLights::new();
+
+        let left_button = gtk::Button::builder().label("L").build();
+        let brake_button = gtk::Button::builder().label("Brakes").build();
+        let right_button = gtk::Button::builder().label("R").build();
+
+        left_button.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::LeftBlinker);
+            }
+        });
+
+        brake_button.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::Brake);
+            }
+        });
+
+        right_button.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::RightBlinker);
+            }
+        });
+
+        controls.append(&left_button);
+        controls.append(&brake_button);
+        controls.append(&right_button);
+        layout.append(&controls);
+
+        let pattern_controls = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+
+        let previous_pattern = gtk::Button::builder().label("Previous").build();
+        let next_pattern = gtk::Button::builder().label("Next").build();
+
+        previous_pattern.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::PreviousPattern);
+            }
+        });
+
+        next_pattern.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::NextPattern);
+            }
+        });
+
+        pattern_controls.append(&previous_pattern);
+        pattern_controls.append(&next_pattern);
+        layout.append(&pattern_controls);
+
+        layout.append(&dashboard_lights);
+        layout.append(&bike_lights);
+
+        update_rx.attach(None, {
+            let dashboard_lights = dashboard_lights.clone();
+            let bike_lights = bike_lights.clone();
+            move |Update { dashboard, lights }| {
+                dashboard_lights.set_lights(dashboard);
+                bike_lights.set_lights(lights);
+                glib::ControlFlow::Continue
+            }
+        });
+
+        window.set_content(Some(&layout));
+        window.present();
+    });
+
+    let args: Vec<String> = env::args().collect();
+    ApplicationExtManual::run_with_args(&adw_app, &args);
+}

build.sh

@@ -1,72 +0,0 @@
-#!/usr/bin/env bash
-
-set -euo pipefail
-
-RUST_ALL_TARGETS=(
-    "changeset"
-    "config"
-    "config-derive"
-    "coordinates"
-    "cyberpunk-splash"
-    "dashboard"
-    "emseries"
-    "file-service"
-    "fluent-ergonomics"
-    "geo-types"
-    "gm-control-panel"
-    "hex-grid"
-    "ifc"
-    "kifu-core"
-    "kifu-gtk"
-    "memorycache"
-    "nom-training"
-    "result-extended"
-    "screenplay"
-    "sgf"
-    "tree"
-)
-
-build_rust_targets() {
-    local CMD=$1
-    local TARGETS=${@/$CMD}
-
-    for target in $TARGETS; do
-        MODULE=$target CMD=$CMD ./builders/rust.sh
-    done
-}
-
-build_dist() {
-    local TARGETS=${@/$CMD}
-
-    for target in $TARGETS; do
-        if [ -f $target/dist.sh ]; then
-            build_rust_targets release ${TARGETS[*]}
-            cd $target && ./dist.sh
-        fi
-    done
-}
-
-export CARGO=`which cargo`
-
-if [ -z "${TARGET-}" ]; then
-    TARGET="all"
-fi
-
-if [ -z "${CMD-}" ]; then 
-    CMD="test release"
-fi
-
-if [ "${CMD}" == "clean" ]; then
-    cargo clean
-    exit 0
-fi
-
-for cmd in $CMD; do
-    if [ "${CMD}" == "dist" ]; then
-        build_dist $TARGET
-    elif [ "${TARGET}" == "all" ]; then
-        build_rust_targets $cmd ${RUST_ALL_TARGETS[*]}
-    else
-        build_rust_targets $cmd $TARGET
-    fi
-done

builders/rust.sh

@@ -1,41 +0,0 @@
-#!/usr/bin/env bash
-
-set -euo pipefail
-
-if [ ! -z "$MODULE" ]; then
-    MODULE="-p $MODULE"
-fi
-
-if [ -z "${PARAMS-}" ]; then
-    PARAMS=""
-fi
-
-case $CMD in
-    build)
-        $CARGO build $MODULE $PARAMS
-        ;;
-    lint)
-        $CARGO clippy $MODULE $PARAMS -- -Dwarnings
-        ;;
-    test)
-        $CARGO test $MODULE $PARAMS
-        ;;
-    run)
-        $CARGO run $MODULE $PARAMS
-        ;;
-    release)
-        $CARGO clippy $MODULE $PARAMS -- -Dwarnings
-        $CARGO build --release $MODULE $PARAMS
-        $CARGO test --release $MODULE $PARAMS
-        ;;
-    clean)
-        $CARGO clean $MODULE
-        ;;
-    "")
-        echo "No command specified. Use build | lint | test | run | release | clean"
-        ;;
-    *)
-        echo "$CMD is unknown. Use build | lint | test | run | release | clean"
-        ;;
-esac
-

config/src/lib.rs

@@ -35,7 +35,7 @@ macro_rules! define_config {
             $($name($struct)),+
         }
 
-        #[derive(Clone, Debug)]
+        #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
         pub struct Config {
             values: std::collections::HashMap<ConfigName, ConfigOption>,
         }

crate-hashes.json

@@ -0,0 +1,474 @@
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+  "registry+https://github.com/rust-lang/crates.io-index#warp@0.3.6": "0sfimrpxkyka1mavfhg5wa4x977qs8vyxa510c627w9zw0i2xsf1",
+  "registry+https://github.com/rust-lang/crates.io-index#wasi@0.10.0+wasi-snapshot-preview1": "07y3l8mzfzzz4cj09c8y90yak4hpsi9g7pllyzpr6xvwrabka50s",
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+  "registry+https://github.com/rust-lang/crates.io-index#wasm-bindgen-backend@0.2.89": "09l8lyylsdssz993h4fzja69zpvpykaw84fivs210fjgwqjzcmhv",
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+  "registry+https://github.com/rust-lang/crates.io-index#wasm-bindgen-macro-support@0.2.89": "10sj1gr2naxv5q116yjb929hhpvz45dxbkvyk8hyc2lknzy85szh",
+  "registry+https://github.com/rust-lang/crates.io-index#wasm-bindgen-macro@0.2.89": "1cl2w7k5jn2jbd5kx613c8k8vjvda22hfgcgx7y2mk93fbrxnqh1",
+  "registry+https://github.com/rust-lang/crates.io-index#wasm-bindgen-shared@0.2.89": "17s5rppad113c6ggkaq8c3cg7a3zz15i78wxcg6mcl1n15iv7fbs",
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+  "registry+https://github.com/rust-lang/crates.io-index#web-sys@0.3.66": "03q1z22djv5ncqkyydcvnchmdsl5gvnyzcyixkxnifw6xi24mhjh",
+  "registry+https://github.com/rust-lang/crates.io-index#weezl@0.1.7": "1frdbq6y5jn2j93i20hc80swpkj30p1wffwxj1nr4fp09m6id4wi",
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+  "registry+https://github.com/rust-lang/crates.io-index#winapi-x86_64-pc-windows-gnu@0.4.0": "0gqq64czqb64kskjryj8isp62m2sgvx25yyj3kpc2myh85w24bki",
+  "registry+https://github.com/rust-lang/crates.io-index#winapi@0.3.9": "06gl025x418lchw1wxj64ycr7gha83m44cjr5sarhynd9xkrm0sw",
+  "registry+https://github.com/rust-lang/crates.io-index#windows-core@0.51.1": "0r1f57hsshsghjyc7ypp2s0i78f7b1vr93w68sdb8baxyf2czy7i",
+  "registry+https://github.com/rust-lang/crates.io-index#windows-sys@0.48.0": "1aan23v5gs7gya1lc46hqn9mdh8yph3fhxmhxlw36pn6pqc28zb7",
+  "registry+https://github.com/rust-lang/crates.io-index#windows-sys@0.52.0": "0gd3v4ji88490zgb6b5mq5zgbvwv7zx1ibn8v3x83rwcdbryaar8",
+  "registry+https://github.com/rust-lang/crates.io-index#windows-targets@0.48.5": "034ljxqshifs1lan89xwpcy1hp0lhdh4b5n0d2z4fwjx2piacbws",
+  "registry+https://github.com/rust-lang/crates.io-index#windows-targets@0.52.0": "1kg7a27ynzw8zz3krdgy6w5gbqcji27j1sz4p7xk2j5j8082064a",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_aarch64_gnullvm@0.48.5": "1n05v7qblg1ci3i567inc7xrkmywczxrs1z3lj3rkkxw18py6f1b",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_aarch64_gnullvm@0.52.0": "1shmn1kbdc0bpphcxz0vlph96bxz0h1jlmh93s9agf2dbpin8xyb",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_aarch64_msvc@0.48.5": "1g5l4ry968p73g6bg6jgyvy9lb8fyhcs54067yzxpcpkf44k2dfw",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_aarch64_msvc@0.52.0": "1vvmy1ypvzdvxn9yf0b8ygfl85gl2gpcyvsvqppsmlpisil07amv",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_i686_gnu@0.48.5": "0gklnglwd9ilqx7ac3cn8hbhkraqisd0n83jxzf9837nvvkiand7",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_i686_gnu@0.52.0": "04zkglz4p3pjsns5gbz85v4s5aw102raz4spj4b0lmm33z5kg1m2",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_i686_msvc@0.48.5": "01m4rik437dl9rdf0ndnm2syh10hizvq0dajdkv2fjqcywrw4mcg",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_i686_msvc@0.52.0": "16kvmbvx0vr0zbgnaz6nsks9ycvfh5xp05bjrhq65kj623iyirgz",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_x86_64_gnu@0.48.5": "13kiqqcvz2vnyxzydjh73hwgigsdr2z1xpzx313kxll34nyhmm2k",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_x86_64_gnu@0.52.0": "1zdy4qn178sil5sdm63lm7f0kkcjg6gvdwmcprd2yjmwn8ns6vrx",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_x86_64_gnullvm@0.48.5": "1k24810wfbgz8k48c2yknqjmiigmql6kk3knmddkv8k8g1v54yqb",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_x86_64_gnullvm@0.52.0": "17lllq4l2k1lqgcnw1cccphxp9vs7inq99kjlm2lfl9zklg7wr8s",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_x86_64_msvc@0.48.5": "0f4mdp895kkjh9zv8dxvn4pc10xr7839lf5pa9l0193i2pkgr57d",
+  "registry+https://github.com/rust-lang/crates.io-index#windows_x86_64_msvc@0.52.0": "012wfq37f18c09ij5m6rniw7xxn5fcvrxbqd0wd8vgnl3hfn9yfz",
+  "registry+https://github.com/rust-lang/crates.io-index#winnow@0.5.30": "1ifj9vnqna5qp0d7nb9mrinzf8j7zi1m0gv75870vm91jyw3sp4v",
+  "registry+https://github.com/rust-lang/crates.io-index#winreg@0.50.0": "1cddmp929k882mdh6i9f2as848f13qqna6czwsqzkh1pqnr5fkjj",
+  "registry+https://github.com/rust-lang/crates.io-index#zerocopy-derive@0.7.31": "06k0zk4x4n9s1blgxmxqb1g81y8q334aayx61gyy6v9y1dajkhdk",
+  "registry+https://github.com/rust-lang/crates.io-index#zerocopy@0.7.31": "0gcfyrmlrhmsz16qxjp2qzr6vixyaw1p04zl28f08lxkvfz62h0w",
+  "registry+https://github.com/rust-lang/crates.io-index#zeroize@1.7.0": "0bfvby7k9pdp6623p98yz2irqnamcyzpn7zh20nqmdn68b0lwnsj",
+  "registry+https://github.com/rust-lang/crates.io-index#zune-inflate@0.2.54": "00kg24jh3zqa3i6rg6yksnb71bch9yi1casqydl00s7nw8pk7avk"
+}

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dashboard"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -28,5 +28,5 @@ tokio               = { version = "1", features = ["full"] }
 unic-langid         = { version = "0.9" }
 
 [build-dependencies]
-glib-build-tools = "0.16"
+glib-build-tools = "0.18"
 

dashboard/build.rs

@@ -1,7 +1,7 @@
 fn main() {
     glib_build_tools::compile_resources(
-        "resources",
+        &["resources"],
-        "resources/gresources.xml",
+        "gresources.xml",
         "com.luminescent-dreams.dashboard.gresource",
     );
 }

dashboard/src/components/date.rs

@@ -11,10 +11,11 @@ pub struct DatePrivate {
 
 impl Default for DatePrivate {
     fn default() -> Self {
+        let date = chrono::Local::now().date_naive();
+        let year = date.year();
+        let date = date.with_year(year + 10000).unwrap();
         Self {
-            date: Rc::new(RefCell::new(IFC::from(
+            date: Rc::new(RefCell::new(IFC::from(date))),
-                chrono::Local::now().date_naive().with_year(12023).unwrap(),
-            ))),
             label: Rc::new(RefCell::new(gtk::Label::new(None))),
         }
     }

dashboard/src/main.rs

@@ -102,7 +102,7 @@ pub fn main() {
 
                 let now = Local::now();
                 let state = State {
-                    date: IFC::from(now.date_naive().with_year(12023).unwrap()),
+                    date: IFC::from(now.date_naive().with_year(now.year() + 10000).unwrap()),
                     next_event: EVENTS.next_event(now.with_timezone(&Utc)).unwrap(),
                     events: EVENTS.yearly_events(now.year()).unwrap(),
                     transit: Some(transit),

emseries/src/date_time_tz.rs

@@ -1,198 +0,0 @@
-/*
-Copyright 2020-2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
-
-This file is part of the Luminescent Dreams Tools.
-
-Luminescent Dreams Tools is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
-
-Luminescent Dreams Tools is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along with Lumeto. If not, see <https://www.gnu.org/licenses/>.
-*/
-
-extern crate chrono;
-extern crate chrono_tz;
-
-use chrono::SecondsFormat;
-use chrono_tz::Etc::UTC;
-use serde::de::{self, Deserialize, Deserializer, Visitor};
-use serde::ser::{Serialize, Serializer};
-use std::{fmt, str::FromStr};
-
-/// This is a wrapper around date time objects, using timezones from the chroon-tz database and
-/// providing string representation and parsing of the form "<RFC3339> <Timezone Name>", i.e.,
-/// "2019-05-15T14:30:00Z US/Central". The to_string method, and serde serialization will
-/// produce a string of this format. The parser will accept an RFC3339-only string of the forms
-/// "2019-05-15T14:30:00Z", "2019-05-15T14:30:00+00:00", and also an "RFC3339 Timezone Name"
-/// string.
-///
-/// The function here is to generate as close to unambiguous time/date strings, (for earth's
-/// gravitational frame of reference), as possible. Clumping together the time, offset from UTC,
-/// and the named time zone allows future parsers to know the exact interpretation of the time in
-/// the frame of reference of the original recording.
-#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
-pub struct DateTimeTz(pub chrono::DateTime<chrono_tz::Tz>);
-
-impl fmt::Display for DateTimeTz {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
-        if self.0.timezone() == UTC {
-            write!(f, "{}", self.0.to_rfc3339_opts(SecondsFormat::Secs, true))
-        } else {
-            write!(
-                f,
-                "{} {}",
-                self.0
-                    .with_timezone(&chrono_tz::Etc::UTC)
-                    .to_rfc3339_opts(SecondsFormat::Secs, true,),
-                self.0.timezone().name()
-            )
-        }
-    }
-}
-
-impl DateTimeTz {
-    pub fn map<F>(&self, f: F) -> DateTimeTz
-    where
-        F: FnOnce(chrono::DateTime<chrono_tz::Tz>) -> chrono::DateTime<chrono_tz::Tz>,
-    {
-        DateTimeTz(f(self.0))
-    }
-}
-
-impl std::str::FromStr for DateTimeTz {
-    type Err = chrono::ParseError;
-
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let v: Vec<&str> = s.split_terminator(' ').collect();
-        if v.len() == 2 {
-            let tz = v[1].parse::<chrono_tz::Tz>().unwrap();
-            chrono::DateTime::parse_from_rfc3339(v[0]).map(|ts| DateTimeTz(ts.with_timezone(&tz)))
-        } else {
-            chrono::DateTime::parse_from_rfc3339(v[0]).map(|ts| DateTimeTz(ts.with_timezone(&UTC)))
-        }
-    }
-}
-
-impl From<chrono::DateTime<chrono_tz::Tz>> for DateTimeTz {
-    fn from(dt: chrono::DateTime<chrono_tz::Tz>) -> DateTimeTz {
-        DateTimeTz(dt)
-    }
-}
-
-struct DateTimeTzVisitor;
-
-impl<'de> Visitor<'de> for DateTimeTzVisitor {
-    type Value = DateTimeTz;
-
-    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-        formatter.write_str("a string date time representation that can be parsed")
-    }
-
-    fn visit_str<E: de::Error>(self, s: &str) -> Result<Self::Value, E> {
-        DateTimeTz::from_str(s).or(Err(E::custom(
-            "string is not a parsable datetime representation".to_owned(),
-        )))
-    }
-}
-
-impl Serialize for DateTimeTz {
-    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
-        serializer.serialize_str(&self.to_string())
-    }
-}
-
-impl<'de> Deserialize<'de> for DateTimeTz {
-    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
-        deserializer.deserialize_str(DateTimeTzVisitor)
-    }
-}
-
-#[cfg(test)]
-mod test {
-    extern crate serde_json;
-
-    use super::*;
-    use chrono::TimeZone;
-    use chrono_tz::America::Phoenix;
-    use chrono_tz::Etc::UTC;
-    use chrono_tz::US::{Arizona, Central};
-    use std::str::FromStr;
-
-    #[test]
-    fn it_creates_timestamp_with_z() {
-        let t = DateTimeTz(UTC.with_ymd_and_hms(2019, 5, 15, 12, 0, 0).unwrap());
-        assert_eq!(t.to_string(), "2019-05-15T12:00:00Z");
-    }
-
-    #[test]
-    fn it_parses_utc_rfc3339_z() {
-        let t = DateTimeTz::from_str("2019-05-15T12:00:00Z").unwrap();
-        assert_eq!(
-            t,
-            DateTimeTz(UTC.with_ymd_and_hms(2019, 5, 15, 12, 0, 0).unwrap())
-        );
-    }
-
-    #[test]
-    fn it_parses_rfc3339_with_offset() {
-        let t = DateTimeTz::from_str("2019-05-15T12:00:00-06:00").unwrap();
-        assert_eq!(
-            t,
-            DateTimeTz(UTC.with_ymd_and_hms(2019, 5, 15, 18, 0, 0).unwrap())
-        );
-    }
-
-    #[test]
-    fn it_parses_rfc3339_with_tz() {
-        let t = DateTimeTz::from_str("2019-06-15T19:00:00Z US/Arizona").unwrap();
-        assert_eq!(
-            t,
-            DateTimeTz(UTC.with_ymd_and_hms(2019, 6, 15, 19, 0, 0).unwrap())
-        );
-        assert_eq!(
-            t,
-            DateTimeTz(Arizona.with_ymd_and_hms(2019, 6, 15, 12, 0, 0).unwrap())
-        );
-        assert_eq!(
-            t,
-            DateTimeTz(Central.with_ymd_and_hms(2019, 6, 15, 14, 0, 0).unwrap())
-        );
-        assert_eq!(t.to_string(), "2019-06-15T19:00:00Z US/Arizona");
-    }
-
-    #[derive(Serialize)]
-    struct DemoStruct {
-        id: String,
-        dt: DateTimeTz,
-    }
-
-    // I used Arizona here specifically because large parts of Arizona do not honor DST, and so
-    // that adds in more ambiguity of the -0700 offset with Pacific time.
-    #[test]
-    fn it_json_serializes() {
-        let t = DateTimeTz::from_str("2019-06-15T19:00:00Z America/Phoenix").unwrap();
-        assert_eq!(
-            serde_json::to_string(&t).unwrap(),
-            "\"2019-06-15T19:00:00Z America/Phoenix\""
-        );
-
-        let demo = DemoStruct {
-            id: String::from("abcdefg"),
-            dt: t,
-        };
-        assert_eq!(
-            serde_json::to_string(&demo).unwrap(),
-            "{\"id\":\"abcdefg\",\"dt\":\"2019-06-15T19:00:00Z America/Phoenix\"}"
-        );
-    }
-
-    #[test]
-    fn it_json_parses() {
-        let t =
-            serde_json::from_str::<DateTimeTz>("\"2019-06-15T19:00:00Z America/Phoenix\"").unwrap();
-        assert_eq!(
-            t,
-            DateTimeTz(Phoenix.with_ymd_and_hms(2019, 6, 15, 12, 0, 0).unwrap())
-        );
-    }
-}

emseries/src/lib.rs

@@ -71,11 +71,9 @@ extern crate thiserror;
 extern crate uuid;
 
 mod criteria;
-mod date_time_tz;
 mod series;
 mod types;
 
 pub use criteria::*;
-pub use date_time_tz::DateTimeTz;
 pub use series::Series;
-pub use types::{EmseriesReadError, EmseriesWriteError, Recordable, Timestamp, UniqueId};
+pub use types::{EmseriesReadError, EmseriesWriteError, Record, RecordId, Recordable, Timestamp};

emseries/src/series.rs

@@ -18,13 +18,51 @@ use serde::de::DeserializeOwned;
 use serde::ser::Serialize;
 use std::cmp::Ordering;
 use std::collections::HashMap;
+use std::convert::TryFrom;
 use std::fs::File;
 use std::fs::OpenOptions;
 use std::io::{BufRead, BufReader, LineWriter, Write};
 use std::iter::Iterator;
 
 use criteria::Criteria;
-use types::{EmseriesReadError, EmseriesWriteError, Record, Recordable, UniqueId};
+use types::{EmseriesReadError, EmseriesWriteError, Record, RecordId, Recordable};
+
+// A RecordOnDisk, a private data structure, is useful for handling all of the on-disk
+// representations of a record. Unlike [Record], this one can accept an empty data value to
+// represent that the data may have been deleted. This is not made public because, so far as the
+// user is concerned, any record in the system must have data associated with it.
+#[derive(Clone, Deserialize, Serialize)]
+struct RecordOnDisk<T: Clone + Recordable> {
+    id: RecordId,
+    data: Option<T>,
+}
+
+/*
+impl<T> FromStr for RecordOnDisk<T>
+where
+    T: Clone + Recordable + DeserializeOwned + Serialize,
+{
+    type Err = EmseriesReadError;
+
+    fn from_str(line: &str) -> Result<Self, Self::Err> {
+        serde_json::from_str(line).map_err(EmseriesReadError::JSONParseError)
+    }
+}
+*/
+
+impl<T: Clone + Recordable> TryFrom<RecordOnDisk<T>> for Record<T> {
+    type Error = EmseriesReadError;
+
+    fn try_from(disk_record: RecordOnDisk<T>) -> Result<Self, Self::Error> {
+        match disk_record.data {
+            Some(data) => Ok(Record {
+                id: disk_record.id,
+                data,
+            }),
+            None => Err(Self::Error::RecordDeleted(disk_record.id)),
+        }
+    }
+}
 
 /// An open time series database.
 ///
@@ -33,7 +71,7 @@ use types::{EmseriesReadError, EmseriesWriteError, Record, Recordable, UniqueId}
 pub struct Series<T: Clone + Recordable + DeserializeOwned + Serialize> {
     //path: String,
     writer: LineWriter<File>,
-    records: HashMap<UniqueId, T>,
+    records: HashMap<RecordId, Record<T>>,
 }
 
 impl<T> Series<T>
@@ -42,7 +80,7 @@ where
 {
     /// Open a time series database at the specified path. `path` is the full path and filename for
     /// the database.
-    pub fn open(path: &str) -> Result<Series<T>, EmseriesReadError> {
+    pub fn open<P: AsRef<std::path::Path>>(path: P) -> Result<Series<T>, EmseriesReadError> {
         let f = OpenOptions::new()
             .read(true)
             .append(true)
@@ -62,20 +100,18 @@ where
     }
 
     /// Load a file and return all of the records in it.
-    fn load_file(f: &File) -> Result<HashMap<UniqueId, T>, EmseriesReadError> {
+    fn load_file(f: &File) -> Result<HashMap<RecordId, Record<T>>, EmseriesReadError> {
-        let mut records: HashMap<UniqueId, T> = HashMap::new();
+        let mut records: HashMap<RecordId, Record<T>> = HashMap::new();
         let reader = BufReader::new(f);
         for line in reader.lines() {
             match line {
                 Ok(line_) => {
-                    /* Can't create a JSONParseError because I can't actually create the underlying error.
+                    match serde_json::from_str::<RecordOnDisk<T>>(line_.as_ref())
-                    fail_point!("parse-line", Err(Error::JSONParseError()))
+                        .map_err(EmseriesReadError::JSONParseError)
-                    */
+                        .and_then(Record::try_from)
-                    match line_.parse::<Record<T>>() {
+                    {
-                        Ok(record) => match record.data {
+                        Ok(record) => records.insert(record.id, record.clone()),
-                            Some(val) => records.insert(record.id.clone(), val),
+                        Err(EmseriesReadError::RecordDeleted(id)) => records.remove(&id),
-                            None => records.remove(&record.id.clone()),
-                        },
                         Err(err) => return Err(err),
                     };
                 }
@@ -87,18 +123,20 @@ where
 
     /// Put a new record into the database. A unique id will be assigned to the record and
     /// returned.
-    pub fn put(&mut self, entry: T) -> Result<UniqueId, EmseriesWriteError> {
+    pub fn put(&mut self, entry: T) -> Result<RecordId, EmseriesWriteError> {
-        let uuid = UniqueId::default();
+        let id = RecordId::default();
-        self.update(uuid.clone(), entry).map(|_| uuid)
+        let record = Record { id, data: entry };
+        self.update(record)?;
+        Ok(id)
     }
 
-    /// Update an existing record. The `UniqueId` of the record passed into this function must match
+    /// Update an existing record. The [RecordId] of the record passed into this function must match
-    /// the `UniqueId` of a record already in the database.
+    /// the [RecordId] of a record already in the database.
-    pub fn update(&mut self, uuid: UniqueId, entry: T) -> Result<(), EmseriesWriteError> {
+    pub fn update(&mut self, record: Record<T>) -> Result<(), EmseriesWriteError> {
-        self.records.insert(uuid.clone(), entry.clone());
+        self.records.insert(record.id, record.clone());
-        let write_res = match serde_json::to_string(&Record {
+        let write_res = match serde_json::to_string(&RecordOnDisk {
-            id: uuid,
+            id: record.id,
-            data: Some(entry),
+            data: Some(record.data),
         }) {
             Ok(rec_str) => self
                 .writer
@@ -118,14 +156,14 @@ where
     /// Future note: while this deletes a record from the view, it only adds an entry to the
     /// database that indicates `data: null`. If record histories ever become important, the record
     /// and its entire history (including this delete) will still be available.
-    pub fn delete(&mut self, uuid: &UniqueId) -> Result<(), EmseriesWriteError> {
+    pub fn delete(&mut self, uuid: &RecordId) -> Result<(), EmseriesWriteError> {
         if !self.records.contains_key(uuid) {
             return Ok(());
         };
         self.records.remove(uuid);
 
-        let rec: Record<T> = Record {
+        let rec: RecordOnDisk<T> = RecordOnDisk {
-            id: uuid.clone(),
+            id: *uuid,
             data: None,
         };
         match serde_json::to_string(&rec) {
@@ -138,8 +176,8 @@ where
     }
 
     /// Get all of the records in the database.
-    pub fn records(&self) -> impl Iterator<Item = (&UniqueId, &T)> {
+    pub fn records(&self) -> impl Iterator<Item = &Record<T>> {
-        self.records.iter()
+        self.records.values()
     }
 
     /*  The point of having Search is so that a lot of internal optimizations can happen once the
@@ -148,29 +186,29 @@ where
     pub fn search<'s>(
         &'s self,
         criteria: impl Criteria + 's,
-    ) -> impl Iterator<Item = (&'s UniqueId, &'s T)> + 's {
+    ) -> impl Iterator<Item = &'s Record<T>> + 's {
-        self.records().filter(move |&tr| criteria.apply(tr.1))
+        self.records().filter(move |&tr| criteria.apply(&tr.data))
     }
 
     /// Perform a search and sort the resulting records based on the comparison.
-    pub fn search_sorted<'s, C, CMP>(&'s self, criteria: C, compare: CMP) -> Vec<(&UniqueId, &T)>
+    pub fn search_sorted<'s, C, CMP>(&'s self, criteria: C, compare: CMP) -> Vec<&'s Record<T>>
     where
         C: Criteria + 's,
-        CMP: FnMut(&(&UniqueId, &T), &(&UniqueId, &T)) -> Ordering,
+        CMP: FnMut(&&Record<T>, &&Record<T>) -> Ordering,
     {
         let search_iter = self.search(criteria);
-        let mut records: Vec<(&UniqueId, &T)> = search_iter.collect();
+        let mut records: Vec<&Record<T>> = search_iter.collect();
         records.sort_by(compare);
         records
     }
 
     /// Get an exact record from the database based on unique id.
-    pub fn get(&self, uuid: &UniqueId) -> Option<T> {
+    pub fn get(&self, uuid: &RecordId) -> Option<Record<T>> {
         self.records.get(uuid).cloned()
     }
 
     /*
-    pub fn remove(&self, uuid: UniqueId) -> Result<(), EmseriesError> {
+    pub fn remove(&self, uuid: RecordId) -> Result<(), EmseriesError> {
         unimplemented!()
     }
     */

emseries/src/types.rs

@@ -10,10 +10,7 @@ Luminescent Dreams Tools is distributed in the hope that it will be useful, but
 You should have received a copy of the GNU General Public License along with Lumeto. If not, see <https://www.gnu.org/licenses/>.
 */
 
-use chrono::NaiveDate;
+use chrono::{DateTime, FixedOffset, NaiveDate};
-use date_time_tz::DateTimeTz;
-use serde::de::DeserializeOwned;
-use serde::ser::Serialize;
 use std::{cmp::Ordering, fmt, io, str};
 use thiserror::Error;
 use uuid::Uuid;
@@ -28,6 +25,9 @@ pub enum EmseriesReadError {
     #[error("Error parsing JSON: {0}")]
     JSONParseError(serde_json::error::Error),
 
+    #[error("Record was deleted")]
+    RecordDeleted(RecordId),
+
     /// Indicates a general IO error
     #[error("IO Error: {0}")]
     IOError(io::Error),
@@ -44,17 +44,47 @@ pub enum EmseriesWriteError {
     JSONWriteError(serde_json::error::Error),
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Eq)]
-#[serde(untagged)]
+/// A Timestamp, stored with reference to human reckoning. This could be either a Naive Date or a
+/// date and a time with a timezone. The idea of the "human reckoning" is that, no matter what
+/// timezone the record was created in, we want to group things based on the date that the human
+/// was perceiving at the time it was recorded.
 pub enum Timestamp {
-    DateTime(DateTimeTz),
+    DateTime(DateTime<FixedOffset>),
     Date(NaiveDate),
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum TimestampJS {
+    DateTime(String),
+    Date(String),
+}
+
+impl From<Timestamp> for TimestampJS {
+    fn from(s: Timestamp) -> TimestampJS {
+        match s {
+            Timestamp::DateTime(ts) => TimestampJS::DateTime(ts.to_rfc3339()),
+            Timestamp::Date(ts) => TimestampJS::Date(ts.to_string()),
+        }
+    }
+}
+
+impl From<TimestampJS> for Timestamp {
+    fn from(s: TimestampJS) -> Timestamp {
+        match s {
+            TimestampJS::DateTime(ts) => {
+                Timestamp::DateTime(DateTime::parse_from_rfc3339(&ts).unwrap())
+            }
+            TimestampJS::Date(ts) => Timestamp::Date(ts.parse::<NaiveDate>().unwrap()),
+        }
+    }
+}
+
 impl str::FromStr for Timestamp {
     type Err = chrono::ParseError;
     fn from_str(line: &str) -> Result<Self, Self::Err> {
-        DateTimeTz::from_str(line)
+        DateTime::parse_from_rfc3339(line)
             .map(Timestamp::DateTime)
             .or(NaiveDate::from_str(line).map(Timestamp::Date))
     }
@@ -70,25 +100,13 @@ impl Ord for Timestamp {
     fn cmp(&self, other: &Timestamp) -> Ordering {
         match (self, other) {
             (Timestamp::DateTime(dt1), Timestamp::DateTime(dt2)) => dt1.cmp(dt2),
-            (Timestamp::DateTime(dt1), Timestamp::Date(dt2)) => dt1.0.date_naive().cmp(dt2),
+            (Timestamp::DateTime(dt1), Timestamp::Date(dt2)) => dt1.date_naive().cmp(dt2),
-            (Timestamp::Date(dt1), Timestamp::DateTime(dt2)) => dt1.cmp(&dt2.0.date_naive()),
+            (Timestamp::Date(dt1), Timestamp::DateTime(dt2)) => dt1.cmp(&dt2.date_naive()),
             (Timestamp::Date(dt1), Timestamp::Date(dt2)) => dt1.cmp(dt2),
         }
     }
 }
 
-impl From<DateTimeTz> for Timestamp {
-    fn from(d: DateTimeTz) -> Self {
-        Self::DateTime(d)
-    }
-}
-
-impl From<NaiveDate> for Timestamp {
-    fn from(d: NaiveDate) -> Self {
-        Self::Date(d)
-    }
-}
-
 /// Any element to be put into the database needs to be Recordable. This is the common API that
 /// will aid in searching and later in indexing records.
 pub trait Recordable {
@@ -102,75 +120,88 @@ pub trait Recordable {
 /// Uniquely identifies a record.
 ///
 /// This is a wrapper around a basic uuid with some extra convenience methods.
-#[derive(Clone, Debug, Eq, Hash, PartialEq, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq, Deserialize, Serialize)]
-pub struct UniqueId(Uuid);
+pub struct RecordId(Uuid);
 
-impl Default for UniqueId {
+impl Default for RecordId {
     fn default() -> Self {
         Self(Uuid::new_v4())
     }
 }
 
-impl str::FromStr for UniqueId {
+impl str::FromStr for RecordId {
     type Err = EmseriesReadError;
 
-    /// Parse a UniqueId from a string. Raise UUIDParseError if the parsing fails.
+    /// Parse a RecordId from a string. Raise UUIDParseError if the parsing fails.
     fn from_str(val: &str) -> Result<Self, Self::Err> {
         Uuid::parse_str(val)
-            .map(UniqueId)
+            .map(RecordId)
             .map_err(EmseriesReadError::UUIDParseError)
     }
 }
 
-impl fmt::Display for UniqueId {
+impl fmt::Display for RecordId {
     /// Convert to a hyphenated string
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
         write!(f, "{}", self.0.to_hyphenated())
     }
 }
 
-/// Every record contains a unique ID and then the primary data, which itself must implementd the
+/// A record represents data that actually exists in the database. Users cannot make the record
-/// Recordable trait.
+/// directly, as the database will create them.
-#[derive(Clone, Deserialize, Serialize)]
+#[derive(Clone, Debug, PartialEq, Eq, Deserialize, Serialize)]
 pub struct Record<T: Clone + Recordable> {
-    pub id: UniqueId,
+    pub id: RecordId,
-    pub data: Option<T>,
+    pub data: T,
 }
 
-impl<T> str::FromStr for Record<T>
+impl<T: Clone + Recordable> Record<T> {
-where
+    pub fn date(&self) -> NaiveDate {
-    T: Clone + Recordable + DeserializeOwned + Serialize,
+        match self.data.timestamp() {
-{
+            Timestamp::DateTime(dt) => dt.date_naive(),
-    type Err = EmseriesReadError;
+            Timestamp::Date(dt) => dt,
+        }
+    }
 
-    fn from_str(line: &str) -> Result<Self, Self::Err> {
+    pub fn timestamp(&self) -> Timestamp {
-        serde_json::from_str(line).map_err(EmseriesReadError::JSONParseError)
+        self.data.timestamp()
+    }
+
+    pub fn map<Map, U>(self, map: Map) -> Record<U>
+    where
+        Map: Fn(T) -> U,
+        U: Clone + Recordable,
+    {
+        Record {
+            id: self.id,
+            data: map(self.data),
+        }
     }
 }
 
 #[cfg(test)]
 mod test {
     extern crate dimensioned;
+
     extern crate serde_json;
 
     use self::dimensioned::si::{Kilogram, KG};
     use super::*;
     use chrono::TimeZone;
-    use chrono_tz::{Etc::UTC, US::Central};
+    use chrono_tz::Etc::UTC;
-    use date_time_tz::DateTimeTz;
 
     #[derive(Clone, Debug, PartialEq, Deserialize, Serialize)]
     pub struct Weight(Kilogram<f64>);
 
     #[derive(Clone, Debug, PartialEq, Deserialize, Serialize)]
     pub struct WeightRecord {
-        pub date: Timestamp,
+        pub date: NaiveDate,
         pub weight: Weight,
     }
 
     impl Recordable for WeightRecord {
         fn timestamp(&self) -> Timestamp {
-            self.date.clone()
+            Timestamp::Date(self.date)
         }
 
         fn tags(&self) -> Vec<String> {
@@ -179,12 +210,14 @@ mod test {
     }
 
     #[test]
-    fn timestamp_parses_datetimetz_without_timezone() {
+    fn timestamp_parses_utc_time() {
         assert_eq!(
             "2003-11-10T06:00:00Z".parse::<Timestamp>().unwrap(),
-            Timestamp::DateTime(DateTimeTz(
+            Timestamp::DateTime(
-                UTC.with_ymd_and_hms(2003, 11, 10, 6, 0, 0).unwrap()
+                UTC.with_ymd_and_hms(2003, 11, 10, 6, 0, 0)
-            )),
+                    .unwrap()
+                    .with_timezone(&FixedOffset::east_opt(0).unwrap())
+            ),
         );
     }
 
@@ -196,9 +229,10 @@ mod test {
         );
     }
 
-    #[test]
+    /*
+    #[ignore]
     fn v_alpha_serialization() {
-        const WEIGHT_ENTRY: &str = "{\"data\":{\"weight\":77.79109,\"date\":\"2003-11-10T06:00:00.000000000000Z\"},\"id\":\"3330c5b0-783f-4919-b2c4-8169c38f65ff\"}";
+        const WEIGHT_ENTRY: &str = "{\"data\":{\"weight\":77.79109},\"date\":\"2003-11-10\",\"id\":\"3330c5b0-783f-4919-b2c4-8169c38f65ff\"}";
 
         let rec: Record<WeightRecord> = WEIGHT_ENTRY
             .parse()
@@ -209,66 +243,64 @@ mod test {
         );
         assert_eq!(
             rec.data,
-            Some(WeightRecord {
+            WeightRecord {
-                date: Timestamp::DateTime(DateTimeTz(
+                date: NaiveDate::from_ymd_opt(2003, 11, 10).unwrap(),
-                    UTC.with_ymd_and_hms(2003, 11, 10, 6, 0, 0).unwrap()
-                )),
                 weight: Weight(77.79109 * KG),
-            })
+            }
         );
     }
+    */
 
     #[test]
     fn serialization_output() {
         let rec = WeightRecord {
-            date: Timestamp::DateTime(DateTimeTz(
+            date: NaiveDate::from_ymd_opt(2003, 11, 10).unwrap(),
-                UTC.with_ymd_and_hms(2003, 11, 10, 6, 0, 0).unwrap(),
-            )),
             weight: Weight(77.0 * KG),
         };
         assert_eq!(
             serde_json::to_string(&rec).unwrap(),
-            "{\"date\":\"2003-11-10T06:00:00Z\",\"weight\":77.0}"
+            "{\"date\":\"2003-11-10\",\"weight\":77.0}"
         );
 
         let rec2 = WeightRecord {
-            date: Timestamp::DateTime(
+            date: NaiveDate::from_ymd_opt(2003, 11, 10).unwrap(),
-                Central
-                    .with_ymd_and_hms(2003, 11, 10, 0, 0, 0)
-                    .unwrap()
-                    .into(),
-            ),
             weight: Weight(77.0 * KG),
         };
         assert_eq!(
             serde_json::to_string(&rec2).unwrap(),
-            "{\"date\":\"2003-11-10T06:00:00Z US/Central\",\"weight\":77.0}"
+            "{\"date\":\"2003-11-10\",\"weight\":77.0}"
         );
     }
 
     #[test]
     fn two_datetimes_can_be_compared() {
-        let time1 = Timestamp::DateTime(DateTimeTz(
+        let time1 = Timestamp::DateTime(
-            UTC.with_ymd_and_hms(2003, 11, 10, 6, 0, 0).unwrap(),
+            UTC.with_ymd_and_hms(2003, 11, 10, 6, 0, 0)
-        ));
+                .unwrap()
-        let time2 = Timestamp::DateTime(DateTimeTz(
+                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
-            UTC.with_ymd_and_hms(2003, 11, 11, 6, 0, 0).unwrap(),
+        );
-        ));
+        let time2 = Timestamp::DateTime(
+            UTC.with_ymd_and_hms(2003, 11, 11, 6, 0, 0)
+                .unwrap()
+                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+        );
         assert!(time1 < time2);
     }
 
     #[test]
     fn two_dates_can_be_compared() {
-        let time1 = Timestamp::Date(NaiveDate::from_ymd_opt(2003, 11, 10).unwrap());
+        let time1: Timestamp = Timestamp::Date(NaiveDate::from_ymd_opt(2003, 11, 10).unwrap());
-        let time2 = Timestamp::Date(NaiveDate::from_ymd_opt(2003, 11, 11).unwrap());
+        let time2: Timestamp = Timestamp::Date(NaiveDate::from_ymd_opt(2003, 11, 11).unwrap());
         assert!(time1 < time2);
     }
 
     #[test]
     fn datetime_and_date_can_be_compared() {
-        let time1 = Timestamp::DateTime(DateTimeTz(
+        let time1 = Timestamp::DateTime(
-            UTC.with_ymd_and_hms(2003, 11, 10, 6, 0, 0).unwrap(),
+            UTC.with_ymd_and_hms(2003, 11, 10, 6, 0, 0)
-        ));
+                .unwrap()
+                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+        );
         let time2 = Timestamp::Date(NaiveDate::from_ymd_opt(2003, 11, 11).unwrap());
         assert!(time1 < time2)
     }

emseries/tests/test_io.rs

@@ -20,7 +20,7 @@ extern crate emseries;
 
 #[cfg(test)]
 mod test {
-    use chrono::prelude::*;
+    use chrono::{prelude::*};
     use chrono_tz::Etc::UTC;
     use dimensioned::si::{Kilogram, Meter, Second, M, S};
 
@@ -34,7 +34,7 @@ mod test {
 
     #[derive(Clone, Debug, PartialEq, Deserialize, Serialize)]
     struct BikeTrip {
-        datetime: DateTimeTz,
+        datetime: DateTime<FixedOffset>,
         distance: Distance,
         duration: Duration,
         comments: String,
@@ -42,7 +42,7 @@ mod test {
 
     impl Recordable for BikeTrip {
         fn timestamp(&self) -> Timestamp {
-            self.datetime.clone().into()
+            Timestamp::DateTime(self.datetime)
         }
         fn tags(&self) -> Vec<String> {
             Vec::new()
@@ -52,31 +52,46 @@ mod test {
     fn mk_trips() -> [BikeTrip; 5] {
         [
             BikeTrip {
-                datetime: DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 29, 0, 0, 0).unwrap()),
+                datetime: UTC
+                    .with_ymd_and_hms(2011, 10, 29, 0, 0, 0)
+                    .unwrap()
+                    .with_timezone(&FixedOffset::east_opt(0).unwrap()),
                 distance: Distance(58741.055 * M),
                 duration: Duration(11040.0 * S),
                 comments: String::from("long time ago"),
             },
             BikeTrip {
-                datetime: DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()),
+                datetime: UTC
+                    .with_ymd_and_hms(2011, 10, 31, 0, 0, 0)
+                    .unwrap()
+                    .with_timezone(&FixedOffset::east_opt(0).unwrap()),
                 distance: Distance(17702.0 * M),
                 duration: Duration(2880.0 * S),
                 comments: String::from("day 2"),
             },
             BikeTrip {
-                datetime: DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 02, 0, 0, 0).unwrap()),
+                datetime: UTC
+                    .with_ymd_and_hms(2011, 11, 02, 0, 0, 0)
+                    .unwrap()
+                    .with_timezone(&FixedOffset::east_opt(0).unwrap()),
                 distance: Distance(41842.945 * M),
                 duration: Duration(7020.0 * S),
                 comments: String::from("Do Some Distance!"),
             },
             BikeTrip {
-                datetime: DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 04, 0, 0, 0).unwrap()),
+                datetime: UTC
+                    .with_ymd_and_hms(2011, 11, 04, 0, 0, 0)
+                    .unwrap()
+                    .with_timezone(&FixedOffset::east_opt(0).unwrap()),
                 distance: Distance(34600.895 * M),
                 duration: Duration(5580.0 * S),
                 comments: String::from("I did a lot of distance back then"),
             },
             BikeTrip {
-                datetime: DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 05, 0, 0, 0).unwrap()),
+                datetime: UTC
+                    .with_ymd_and_hms(2011, 11, 05, 0, 0, 0)
+                    .unwrap()
+                    .with_timezone(&FixedOffset::east_opt(0).unwrap()),
                 distance: Distance(6437.376 * M),
                 duration: Duration(960.0 * S),
                 comments: String::from("day 5"),
@@ -84,7 +99,7 @@ mod test {
         ]
     }
 
-    fn run_test<T>(test: T) -> ()
+    fn run_test<T>(test: T)
     where
         T: FnOnce(tempfile::TempPath),
     {
@@ -93,14 +108,14 @@ mod test {
         test(tmp_path);
     }
 
-    fn run<T>(test: T) -> ()
+    fn run<T>(test: T)
     where
         T: FnOnce(Series<BikeTrip>),
     {
         let tmp_file = tempfile::NamedTempFile::new().expect("temporary path created");
         let tmp_path = tmp_file.into_temp_path();
-        let ts: Series<BikeTrip> = Series::open(&tmp_path.to_string_lossy())
+        let ts: Series<BikeTrip> =
-            .expect("the time series should open correctly");
+            Series::open(&tmp_path).expect("the time series should open correctly");
         test(ts);
     }
 
@@ -122,11 +137,15 @@ mod test {
                 Some(tr) => {
                     assert_eq!(
                         tr.timestamp(),
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 29, 0, 0, 0).unwrap()).into()
+                        Timestamp::DateTime(
+                            UTC.with_ymd_and_hms(2011, 10, 29, 0, 0, 0)
+                                .unwrap()
+                                .with_timezone(&FixedOffset::east_opt(0).unwrap())
+                        )
                     );
-                    assert_eq!(tr.duration, Duration(11040.0 * S));
+                    assert_eq!(tr.data.duration, Duration(11040.0 * S));
-                    assert_eq!(tr.comments, String::from("long time ago"));
+                    assert_eq!(tr.data.comments, String::from("long time ago"));
-                    assert_eq!(tr, trips[0]);
+                    assert_eq!(tr.data, trips[0]);
                 }
             }
         })
@@ -136,20 +155,22 @@ mod test {
     pub fn can_search_for_an_entry_with_exact_time() {
         run_test(|path| {
             let trips = mk_trips();
-            let mut ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+            let mut ts: Series<BikeTrip> =
-                .expect("expect the time series to open correctly");
+                Series::open(&path).expect("expect the time series to open correctly");
 
             for trip in &trips[0..=4] {
                 ts.put(trip.clone()).expect("expect a successful put");
             }
 
-            let v: Vec<(&UniqueId, &BikeTrip)> = ts
+            let v: Vec<&Record<BikeTrip>> = ts
-                .search(exact_time(
+                .search(exact_time(Timestamp::DateTime(
-                    DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()).into(),
+                    UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0)
-                ))
+                        .unwrap()
+                        .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                )))
                 .collect();
             assert_eq!(v.len(), 1);
-            assert_eq!(*v[0].1, trips[1]);
+            assert_eq!(v[0].data, trips[1]);
         })
     }
 
@@ -157,26 +178,34 @@ mod test {
     pub fn can_get_entries_in_time_range() {
         run_test(|path| {
             let trips = mk_trips();
-            let mut ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+            let mut ts: Series<BikeTrip> =
-                .expect("expect the time series to open correctly");
+                Series::open(&path).expect("expect the time series to open correctly");
 
             for trip in &trips[0..=4] {
                 ts.put(trip.clone()).expect("expect a successful put");
             }
 
-            let v: Vec<(&UniqueId, &BikeTrip)> = ts.search_sorted(
+            let v: Vec<&Record<BikeTrip>> = ts.search_sorted(
                 time_range(
-                    DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()).into(),
+                    Timestamp::DateTime(
+                        UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0)
+                            .unwrap()
+                            .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                    ),
                     true,
-                    DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 04, 0, 0, 0).unwrap()).into(),
+                    Timestamp::DateTime(
+                        UTC.with_ymd_and_hms(2011, 11, 04, 0, 0, 0)
+                            .unwrap()
+                            .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                    ),
                     true,
                 ),
-                |l, r| l.1.timestamp().cmp(&r.1.timestamp()),
+                |l, r| l.timestamp().cmp(&r.timestamp()),
             );
             assert_eq!(v.len(), 3);
-            assert_eq!(*v[0].1, trips[1]);
+            assert_eq!(v[0].data, trips[1]);
-            assert_eq!(*v[1].1, trips[2]);
+            assert_eq!(v[1].data, trips[2]);
-            assert_eq!(*v[2].1, trips[3]);
+            assert_eq!(v[2].data, trips[3]);
         })
     }
 
@@ -186,8 +215,8 @@ mod test {
             let trips = mk_trips();
 
             {
-                let mut ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let mut ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
 
                 for trip in &trips[0..=4] {
                     ts.put(trip.clone()).expect("expect a successful put");
@@ -195,21 +224,29 @@ mod test {
             }
 
             {
-                let ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
-                let v: Vec<(&UniqueId, &BikeTrip)> = ts.search_sorted(
+                let v: Vec<&Record<BikeTrip>> = ts.search_sorted(
                     time_range(
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()).into(),
+                        Timestamp::DateTime(
+                            UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0)
+                                .unwrap()
+                                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                        ),
                         true,
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 04, 0, 0, 0).unwrap()).into(),
+                        Timestamp::DateTime(
+                            UTC.with_ymd_and_hms(2011, 11, 04, 0, 0, 0)
+                                .unwrap()
+                                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                        ),
                         true,
                     ),
-                    |l, r| l.1.timestamp().cmp(&r.1.timestamp()),
+                    |l, r| l.timestamp().cmp(&r.timestamp()),
                 );
                 assert_eq!(v.len(), 3);
-                assert_eq!(*v[0].1, trips[1]);
+                assert_eq!(v[0].data, trips[1]);
-                assert_eq!(*v[1].1, trips[2]);
+                assert_eq!(v[1].data, trips[2]);
-                assert_eq!(*v[2].1, trips[3]);
+                assert_eq!(v[2].data, trips[3]);
             }
         })
     }
@@ -220,8 +257,8 @@ mod test {
             let trips = mk_trips();
 
             {
-                let mut ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let mut ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
 
                 for trip in &trips[0..=2] {
                     ts.put(trip.clone()).expect("expect a successful put");
@@ -229,41 +266,57 @@ mod test {
             }
 
             {
-                let mut ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let mut ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
-                let v: Vec<(&UniqueId, &BikeTrip)> = ts.search_sorted(
+                let v: Vec<&Record<BikeTrip>> = ts.search_sorted(
                     time_range(
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()).into(),
+                        Timestamp::DateTime(
+                            UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0)
+                                .unwrap()
+                                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                        ),
                         true,
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 04, 0, 0, 0).unwrap()).into(),
+                        Timestamp::DateTime(
+                            UTC.with_ymd_and_hms(2011, 11, 04, 0, 0, 0)
+                                .unwrap()
+                                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                        ),
                         true,
                     ),
-                    |l, r| l.1.timestamp().cmp(&r.1.timestamp()),
+                    |l, r| l.timestamp().cmp(&r.timestamp()),
                 );
                 assert_eq!(v.len(), 2);
-                assert_eq!(*v[0].1, trips[1]);
+                assert_eq!(v[0].data, trips[1]);
-                assert_eq!(*v[1].1, trips[2]);
+                assert_eq!(v[1].data, trips[2]);
                 ts.put(trips[3].clone()).expect("expect a successful put");
                 ts.put(trips[4].clone()).expect("expect a successful put");
             }
 
             {
-                let ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
-                let v: Vec<(&UniqueId, &BikeTrip)> = ts.search_sorted(
+                let v: Vec<&Record<BikeTrip>> = ts.search_sorted(
                     time_range(
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()).into(),
+                        Timestamp::DateTime(
+                            UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0)
+                                .unwrap()
+                                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                        ),
                         true,
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 05, 0, 0, 0).unwrap()).into(),
+                        Timestamp::DateTime(
+                            UTC.with_ymd_and_hms(2011, 11, 05, 0, 0, 0)
+                                .unwrap()
+                                .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                        ),
                         true,
                     ),
-                    |l, r| l.1.timestamp().cmp(&r.1.timestamp()),
+                    |l, r| l.timestamp().cmp(&r.timestamp()),
                 );
                 assert_eq!(v.len(), 4);
-                assert_eq!(*v[0].1, trips[1]);
+                assert_eq!(v[0].data, trips[1]);
-                assert_eq!(*v[1].1, trips[2]);
+                assert_eq!(v[1].data, trips[2]);
-                assert_eq!(*v[2].1, trips[3]);
+                assert_eq!(v[2].data, trips[3]);
-                assert_eq!(*v[3].1, trips[4]);
+                assert_eq!(v[3].data, trips[4]);
             }
         })
     }
@@ -273,8 +326,8 @@ mod test {
         run_test(|path| {
             let trips = mk_trips();
 
-            let mut ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+            let mut ts: Series<BikeTrip> =
-                .expect("expect the time series to open correctly");
+                Series::open(&path).expect("expect the time series to open correctly");
 
             ts.put(trips[0].clone()).expect("expect a successful put");
             ts.put(trips[1].clone()).expect("expect a successful put");
@@ -283,9 +336,8 @@ mod test {
             match ts.get(&trip_id) {
                 None => assert!(false, "record not found"),
                 Some(mut trip) => {
-                    trip.distance = Distance(50000.0 * M);
+                    trip.data.distance = Distance(50000.0 * M);
-                    ts.update(trip_id.clone(), trip)
+                    ts.update(trip).expect("expect record to update");
-                        .expect("expect record to update");
                 }
             };
 
@@ -293,12 +345,12 @@ mod test {
                 None => assert!(false, "record not found"),
                 Some(trip) => {
                     assert_eq!(
-                        trip.datetime,
+                        trip.data.datetime,
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 02, 0, 0, 0).unwrap())
+                        UTC.with_ymd_and_hms(2011, 11, 02, 0, 0, 0).unwrap()
                     );
-                    assert_eq!(trip.distance, Distance(50000.0 * M));
+                    assert_eq!(trip.data.distance, Distance(50000.0 * M));
-                    assert_eq!(trip.duration, Duration(7020.0 * S));
+                    assert_eq!(trip.data.duration, Duration(7020.0 * S));
-                    assert_eq!(trip.comments, String::from("Do Some Distance!"));
+                    assert_eq!(trip.data.comments, String::from("Do Some Distance!"));
                 }
             }
         })
@@ -310,8 +362,8 @@ mod test {
             let trips = mk_trips();
 
             {
-                let mut ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let mut ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
 
                 ts.put(trips[0].clone()).expect("expect a successful put");
                 ts.put(trips[1].clone()).expect("expect a successful put");
@@ -320,32 +372,36 @@ mod test {
                 match ts.get(&trip_id) {
                     None => assert!(false, "record not found"),
                     Some(mut trip) => {
-                        trip.distance = Distance(50000.0 * M);
+                        trip.data.distance = Distance(50000.0 * M);
-                        ts.update(trip_id, trip).expect("expect record to update");
+                        ts.update(trip).expect("expect record to update");
                     }
                 };
             }
 
             {
-                let ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
 
-                let trips: Vec<(&UniqueId, &BikeTrip)> = ts.records().collect();
+                let trips: Vec<&Record<BikeTrip>> = ts.records().collect();
                 assert_eq!(trips.len(), 3);
 
-                let trips: Vec<(&UniqueId, &BikeTrip)> = ts
+                let trips: Vec<&Record<BikeTrip>> = ts
-                    .search(exact_time(
+                    .search(exact_time(Timestamp::DateTime(
-                        DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 02, 0, 0, 0).unwrap()).into(),
+                        UTC.with_ymd_and_hms(2011, 11, 02, 0, 0, 0)
-                    ))
+                            .unwrap()
+                            .with_timezone(&FixedOffset::east_opt(0).unwrap()),
+                    )))
                     .collect();
                 assert_eq!(trips.len(), 1);
                 assert_eq!(
-                    trips[0].1.datetime,
+                    trips[0].data.datetime,
-                    DateTimeTz(UTC.with_ymd_and_hms(2011, 11, 02, 0, 0, 0).unwrap())
+                    UTC.with_ymd_and_hms(2011, 11, 02, 0, 0, 0)
+                        .unwrap()
+                        .with_timezone(&FixedOffset::east_opt(0).unwrap())
                 );
-                assert_eq!(trips[0].1.distance, Distance(50000.0 * M));
+                assert_eq!(trips[0].data.distance, Distance(50000.0 * M));
-                assert_eq!(trips[0].1.duration, Duration(7020.0 * S));
+                assert_eq!(trips[0].data.duration, Duration(7020.0 * S));
-                assert_eq!(trips[0].1.comments, String::from("Do Some Distance!"));
+                assert_eq!(trips[0].data.comments, String::from("Do Some Distance!"));
             }
         })
     }
@@ -356,21 +412,21 @@ mod test {
             let trips = mk_trips();
 
             {
-                let mut ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let mut ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
                 let trip_id = ts.put(trips[0].clone()).expect("expect a successful put");
                 ts.put(trips[1].clone()).expect("expect a successful put");
                 ts.put(trips[2].clone()).expect("expect a successful put");
                 ts.delete(&trip_id).expect("successful delete");
 
-                let recs: Vec<(&UniqueId, &BikeTrip)> = ts.records().collect();
+                let recs: Vec<&Record<BikeTrip>> = ts.records().collect();
                 assert_eq!(recs.len(), 2);
             }
 
             {
-                let ts: Series<BikeTrip> = Series::open(&path.to_string_lossy())
+                let ts: Series<BikeTrip> =
-                    .expect("expect the time series to open correctly");
+                    Series::open(&path).expect("expect the time series to open correctly");
-                let recs: Vec<(&UniqueId, &BikeTrip)> = ts.records().collect();
+                let recs: Vec<&Record<BikeTrip>> = ts.records().collect();
                 assert_eq!(recs.len(), 2);
             }
         })
@@ -387,7 +443,7 @@ mod test {
 
     impl Recordable for WeightRecord {
         fn timestamp(&self) -> Timestamp {
-            self.date.into()
+            Timestamp::Date(self.date)
         }
 
         fn tags(&self) -> Vec<String> {

fitnesstrax/app/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "fitnesstrax"
+version = "0.6.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+adw             = { version = "0.5", package = "libadwaita", features = [ "v1_4" ] }
+async-channel   = { version = "2.1" }
+async-trait     = { version = "0.1" }
+chrono          = { version = "0.4" }
+chrono-tz       = { version = "0.8" }
+dimensioned     = { version = "0.8", features = [ "serde" ] }
+emseries        = { path = "../../emseries" }
+ft-core         = { path = "../core" }
+gio             = { version = "0.18" }
+glib            = { version = "0.18" }
+gdk             = { version = "0.7", package = "gdk4" }
+gtk             = { version = "0.7", package = "gtk4", features = [ "v4_10" ] }
+thiserror       = { version = "1.0" }
+tokio           = { version = "1.34", features = [ "full" ] }
+
+[build-dependencies]
+glib-build-tools = "0.18"
+

fitnesstrax/app/build.rs

@@ -0,0 +1,7 @@
+fn main() {
+    glib_build_tools::compile_resources(
+        &["resources"],
+        "gresources.xml",
+        "com.luminescent-dreams.fitnesstrax.gresource",
+    );
+}

fitnesstrax/app/dist.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+VERSION=`cat Cargo.toml | grep "^version =" | sed -r 's/^version = "(.+)"$/\1/'`
+
+mkdir -p dist
+cp ../../target/release/fitnesstrax dist
+cp resources/com.luminescent-dreams.fitnesstrax.gschema.xml resources/fitnesstrax.desktop dist
+strip dist/fitnesstrax
+tar -czf fitnesstrax-${VERSION}.tgz dist/
+

fitnesstrax/app/gresources.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+    <gresource prefix="/com/luminescent-dreams/fitnesstrax/">
+        <file>style.css</file>
+    </gresource>
+
+    <gresource prefix="/com/luminescent-dreams/fitnesstrax/icons/scalable/actions">
+        <file preprocess="xml-stripblanks">cycling-symbolic.svg</file>
+    </gresource>
+
+    <gresource prefix="/com/luminescent-dreams/fitnesstrax/icons/scalable/actions">
+        <file preprocess="xml-stripblanks">running-symbolic.svg</file>
+    </gresource>
+
+    <gresource prefix="/com/luminescent-dreams/fitnesstrax/icons/scalable/actions/">
+        <file preprocess="xml-stripblanks">walking-symbolic.svg</file>
+    </gresource>
+</gresources>

fitnesstrax/app/override.nix

@@ -0,0 +1,14 @@
+{ gtkNativeInputs }:
+attrs: {
+    nativeBuildInputs = gtkNativeInputs;
+    postInstall = ''
+        install -Dt $out/share/applications resources/fitnesstrax.desktop
+        install -Dt $out/gsettings-schemas/${attrs.crateName}-${attrs.version}/glib-2.0/schemas resources/com.luminescent-dreams.fitnesstrax.gschema.xml
+        glib-compile-schemas $out/gsettings-schemas/${attrs.crateName}-${attrs.version}/glib-2.0/schemas
+    '';
+    preFixup = ''
+        gappsWrapperArgs+=(
+            --prefix XDG_DATA_DIRS : $out/gsettings-schemas/${attrs.crateName}-${attrs.version}
+        )
+    '';
+}

fitnesstrax/app/resources/com.luminescent-dreams.fitnesstrax.gschema.dev.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<schemalist>
+    <schema id="com.luminescent-dreams.fitnesstrax.dev" path="/com/luminescent-dreams/fitnesstrax/dev/">
+        <key name="series-path" type="s">
+            <default>""</default>
+            <summary>Path to the series</summary>
+        </key>
+    </schema>
+</schemalist>

fitnesstrax/app/resources/com.luminescent-dreams.fitnesstrax.gschema.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<schemalist>
+    <schema id="com.luminescent-dreams.fitnesstrax" path="/com/luminescent-dreams/fitnesstrax/">
+        <key name="series-path" type="s">
+            <default>""</default>
+            <summary>Path to the series</summary>
+        </key>
+    </schema>
+</schemalist>

fitnesstrax/app/resources/cycling-symbolic.svg

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="16px" viewBox="0 0 16 16" width="16px"><filter id="a" height="100%" width="100%" x="0%" y="0%"><feColorMatrix color-interpolation-filters="sRGB" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/></filter><mask id="b"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.5"/></g></mask><clipPath id="c"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><mask id="d"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.7"/></g></mask><clipPath id="e"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><mask id="f"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.35"/></g></mask><clipPath id="g"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><path d="m 9.5 2 c -0.828125 0 -1.5 0.671875 -1.5 1.5 s 0.671875 1.5 1.5 1.5 s 1.5 -0.671875 1.5 -1.5 s -0.671875 -1.5 -1.5 -1.5 z m 0 0"/><path d="m 4.285156 13 c 0 0.703125 -0.582031 1.285156 -1.285156 1.285156 s -1.285156 -0.582031 -1.285156 -1.285156 s 0.582031 -1.285156 1.285156 -1.285156 s 1.285156 0.582031 1.285156 1.285156 z m -4.285156 0 c 0 1.675781 1.324219 3 3 3 s 3 -1.324219 3 -3 s -1.324219 -3 -3 -3 s -3 1.324219 -3 3 z m 0 0"/><path d="m 8.992188 13.007812 v -3.003906 c 0 -0.359375 -0.1875 -0.6875 -0.5 -0.867187 l -2.558594 -1.476563 l 0.363281 1.363282 l 1.671875 -2.890626 l -1.367188 0.363282 l 0.910157 0.527344 l -0.40625 -0.4375 c 0.773437 1.621093 1.96875 1.933593 1.96875 1.933593 s 0.578125 0.242188 1.9375 0.429688 c 0.546875 0.074219 1.050781 -0.304688 1.128906 -0.851563 c 0.074219 -0.550781 -0.308594 -1.054687 -0.855469 -1.128906 c -1.179687 -0.164062 -1.601562 -0.355469 -1.601562 -0.355469 s -0.425782 -0.164062 -0.769532 -0.886719 c -0.089843 -0.183593 -0.226562 -0.335937 -0.402343 -0.4375 l -0.910157 -0.523437 c -0.476562 -0.277344 -1.089843 -0.113281 -1.363281 0.367187 l -1.671875 2.890626 c -0.277344 0.480468 -0.113281 1.089843 0.367188 1.367187 l 2.558594 1.480469 l -0.5 -0.867188 v 3.003906 c 0 0.550782 0.449218 1 1 1 c 0.554687 0 1 -0.449218 1 -1 z m 0 0"/><path d="m 14.285156 13 c 0 0.703125 -0.582031 1.285156 -1.285156 1.285156 s -1.285156 -0.582031 -1.285156 -1.285156 s 0.582031 -1.285156 1.285156 -1.285156 s 1.285156 0.582031 1.285156 1.285156 z m -4.285156 0 c 0 1.675781 1.324219 3 3 3 s 3 -1.324219 3 -3 s -1.324219 -3 -3 -3 s -3 1.324219 -3 3 z m 0 0"/><g mask="url(#b)"><g clip-path="url(#c)" transform="matrix(1 0 0 1 -600 -120)"><path d="m 550 182 c -0.351562 0.003906 -0.695312 0.101562 -1 0.28125 v 3.4375 c 0.304688 0.179688 0.648438 0.277344 1 0.28125 c 1.105469 0 2 -0.894531 2 -2 s -0.894531 -2 -2 -2 z m 0 5 c -0.339844 0 -0.679688 0.058594 -1 0.175781 v 6.824219 h 4 v -4 c 0 -1.65625 -1.34375 -3 -3 -3 z m 0 0"/></g></g><g mask="url(#d)"><g clip-path="url(#e)" transform="matrix(1 0 0 1 -600 -120)"><path d="m 569 182 v 4 c 1.105469 0 2 -0.894531 2 -2 s -0.894531 -2 -2 -2 z m 0 5 v 7 h 3 v -4 c 0 -1.65625 -1.34375 -3 -3 -3 z m 0 0"/></g></g><g mask="url(#f)"><g clip-path="url(#g)" transform="matrix(1 0 0 1 -600 -120)"><path d="m 573 182.269531 v 3.449219 c 0.613281 -0.355469 0.996094 -1.007812 1 -1.71875 c 0 -0.714844 -0.382812 -1.375 -1 -1.730469 z m 0 4.90625 v 6.824219 h 2 v -4 c 0 -1.269531 -0.800781 -2.402344 -2 -2.824219 z m 0 0"/></g></g></svg>

fitnesstrax/app/resources/fitnesstrax.desktop

@@ -0,0 +1,5 @@
+[Desktop Entry]
+Version=0.2
+Type=Application
+Name=FitnessTrax
+Exec=fitnesstrax

fitnesstrax/app/resources/running-symbolic.svg

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="16px" viewBox="0 0 16 16" width="16px"><filter id="a" height="100%" width="100%" x="0%" y="0%"><feColorMatrix color-interpolation-filters="sRGB" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/></filter><mask id="b"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.5"/></g></mask><clipPath id="c"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><mask id="d"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.7"/></g></mask><clipPath id="e"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><mask id="f"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.35"/></g></mask><clipPath id="g"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><path d="m 8.5 0 c -0.828125 0 -1.5 0.671875 -1.5 1.5 s 0.671875 1.5 1.5 1.5 s 1.5 -0.671875 1.5 -1.5 s -0.671875 -1.5 -1.5 -1.5 z m -2.5 4 c -0.117188 0 -0.230469 0.027344 -0.335938 0.082031 l -2 1 c -0.144531 0.070313 -0.261718 0.1875 -0.332031 0.332031 l -1 2 c -0.1875 0.371094 -0.039062 0.820313 0.332031 1.007813 c 0.371094 0.183594 0.820313 0.035156 1.003907 -0.335937 l 0.890625 -1.777344 l 1.5625 -0.773438 c -0.042969 0.074219 -0.726563 2.835938 -0.726563 2.835938 c -0.230469 0.949218 0.398438 1.523437 0.398438 1.523437 l 3.351562 2.703125 l 0.90625 2.71875 c 0.175781 0.523438 0.742188 0.808594 1.265625 0.632813 c 0.523438 -0.175781 0.808594 -0.742188 0.632813 -1.265625 l -1 -3 c -0.0625 -0.183594 -0.171875 -0.34375 -0.324219 -0.464844 l -2 -1.597656 l 0.679688 -2.714844 l 0.25 0.625 c 0.085937 0.222656 0.28125 0.390625 0.515624 0.449219 l 2 0.5 c 0.402344 0.097656 0.808594 -0.144531 0.910157 -0.546875 c 0.097656 -0.40625 -0.144531 -0.8125 -0.546875 -0.910156 l -1.628906 -0.40625 l -0.855469 -2.144532 c -0.117188 -0.285156 -0.390625 -0.472656 -0.699219 -0.472656 z m -1.164062 6.328125 l -0.710938 2.128906 l -1.832031 1.835938 c -0.390625 0.390625 -0.390625 1.023437 0 1.414062 s 1.023437 0.390625 1.414062 0 l 2 -2 c 0.109375 -0.109375 0.191407 -0.242187 0.242188 -0.390625 l 0.542969 -1.628906 z m 0 0"/><g mask="url(#b)"><g clip-path="url(#c)" transform="matrix(1 0 0 1 -620 -120)"><path d="m 550 182 c -0.351562 0.003906 -0.695312 0.101562 -1 0.28125 v 3.4375 c 0.304688 0.179688 0.648438 0.277344 1 0.28125 c 1.105469 0 2 -0.894531 2 -2 s -0.894531 -2 -2 -2 z m 0 5 c -0.339844 0 -0.679688 0.058594 -1 0.175781 v 6.824219 h 4 v -4 c 0 -1.65625 -1.34375 -3 -3 -3 z m 0 0"/></g></g><g mask="url(#d)"><g clip-path="url(#e)" transform="matrix(1 0 0 1 -620 -120)"><path d="m 569 182 v 4 c 1.105469 0 2 -0.894531 2 -2 s -0.894531 -2 -2 -2 z m 0 5 v 7 h 3 v -4 c 0 -1.65625 -1.34375 -3 -3 -3 z m 0 0"/></g></g><g mask="url(#f)"><g clip-path="url(#g)" transform="matrix(1 0 0 1 -620 -120)"><path d="m 573 182.269531 v 3.449219 c 0.613281 -0.355469 0.996094 -1.007812 1 -1.71875 c 0 -0.714844 -0.382812 -1.375 -1 -1.730469 z m 0 4.90625 v 6.824219 h 2 v -4 c 0 -1.269531 -0.800781 -2.402344 -2 -2.824219 z m 0 0"/></g></g></svg>

fitnesstrax/app/resources/style.css

@@ -0,0 +1,85 @@
+.welcome {
+    margin: 64px;
+}
+
+.welcome__title {
+    font-size: x-large;
+    padding: 8px;
+}
+
+.welcome__content {
+    padding: 8px;
+}
+
+.historical {
+    margin: 32px;
+    border-radius: 8px;
+}
+
+.date-range-picker {
+    margin-bottom: 16px;
+}
+
+/*
+.date-range-picker > box:not(:last-child) {
+    margin-bottom: 8px;
+}
+*/
+
+.date-range-picker__date-field {
+    margin: 8px;
+}
+
+.date-range-picker__search-button {
+    margin: 8px;
+}
+
+.date-range-picker__range-button {
+    margin: 8px;
+}
+
+.date-field__year {
+    margin: 0px 4px 0px 0px;
+}
+
+.date-field__month {
+    margin: 0px 4px 0px 4px;
+}
+
+.date-field__day {
+    margin: 0px 0px 0px 4px;
+}
+
+.day-summary {
+    padding: 8px;
+}
+
+.day-summary > *:not(:last-child) {
+    margin-bottom: 8px;
+}
+
+.day-summary__date {
+    font-size: x-large;
+}
+
+.day-summary__weight {
+    margin: 4px;
+}
+
+.weight-view {
+    padding: 8px;
+    margin: 8px;
+}
+
+.step-view {
+    padding: 8px;
+    margin: 8px;
+}
+
+.about__content {
+    padding: 32px;
+}
+
+.about label {
+    margin-bottom: 16px;
+}

fitnesstrax/app/resources/walking-symbolic.svg

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="16px" viewBox="0 0 16 16" width="16px"><filter id="a" height="100%" width="100%" x="0%" y="0%"><feColorMatrix color-interpolation-filters="sRGB" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/></filter><mask id="b"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.5"/></g></mask><clipPath id="c"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><mask id="d"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.7"/></g></mask><clipPath id="e"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><mask id="f"><g filter="url(#a)"><path d="m -1.6 -1.6 h 19.2 v 19.2 h -19.2 z" fill-opacity="0.35"/></g></mask><clipPath id="g"><path d="m 0 0 h 1600 v 1200 h -1600 z"/></clipPath><path d="m 9.5 1.5 c 0 0.828125 -0.671875 1.5 -1.5 1.5 s -1.5 -0.671875 -1.5 -1.5 s 0.671875 -1.5 1.5 -1.5 s 1.5 0.671875 1.5 1.5 z m 0 0"/><path d="m 7 4 c -0.550781 0 -1 0.449219 -1 1 v 4 c 0 0.265625 0.105469 0.519531 0.292969 0.707031 l 0.445312 0.449219 l -2.59375 4.328125 c -0.285156 0.476563 -0.132812 1.089844 0.34375 1.375 c 0.472657 0.28125 1.085938 0.128906 1.367188 -0.34375 l 2.34375 -3.902344 l 0.925781 0.929688 l 0.925781 2.773437 c 0.082031 0.25 0.265625 0.460938 0.5 0.578125 c 0.238281 0.121094 0.515625 0.140625 0.765625 0.054688 c 0.25 -0.082031 0.460938 -0.265625 0.578125 -0.5 c 0.121094 -0.238281 0.140625 -0.515625 0.054688 -0.765625 l -1 -3 c -0.050781 -0.148438 -0.132813 -0.28125 -0.242188 -0.390625 l -1.707031 -1.707031 v -4.585938 c 0 -0.550781 -0.449219 -1 -1 -1 z m 0 0"/><path d="m 6 4 c -0.101562 0 -0.207031 0.019531 -0.300781 0.0625 c 0 0 -2.113281 0.847656 -2.199219 2.90625 v 0.03125 v 2.25 c 0 0.414062 0.335938 0.75 0.75 0.75 s 0.75 -0.335938 0.75 -0.75 v -2.21875 c 0.039062 -0.894531 1.050781 -1.449219 1.207031 -1.53125 h 2.332031 l 1.042969 2.085938 c 0.097657 0.195312 0.273438 0.339843 0.488281 0.394531 l 2 0.5 c 0.191407 0.046875 0.394532 0.015625 0.566407 -0.085938 c 0.171875 -0.101562 0.292969 -0.269531 0.34375 -0.460937 c 0.046875 -0.195313 0.015625 -0.398438 -0.085938 -0.570313 c -0.101562 -0.171875 -0.269531 -0.292969 -0.464843 -0.34375 l -1.664063 -0.414062 l -1.097656 -2.191407 c -0.125 -0.253906 -0.382813 -0.414062 -0.667969 -0.414062 z m 0 0"/><g mask="url(#b)"><g clip-path="url(#c)" transform="matrix(1 0 0 1 -620 -100)"><path d="m 550 182 c -0.351562 0.003906 -0.695312 0.101562 -1 0.28125 v 3.4375 c 0.304688 0.179688 0.648438 0.277344 1 0.28125 c 1.105469 0 2 -0.894531 2 -2 s -0.894531 -2 -2 -2 z m 0 5 c -0.339844 0 -0.679688 0.058594 -1 0.175781 v 6.824219 h 4 v -4 c 0 -1.65625 -1.34375 -3 -3 -3 z m 0 0"/></g></g><g mask="url(#d)"><g clip-path="url(#e)" transform="matrix(1 0 0 1 -620 -100)"><path d="m 569 182 v 4 c 1.105469 0 2 -0.894531 2 -2 s -0.894531 -2 -2 -2 z m 0 5 v 7 h 3 v -4 c 0 -1.65625 -1.34375 -3 -3 -3 z m 0 0"/></g></g><g mask="url(#f)"><g clip-path="url(#g)" transform="matrix(1 0 0 1 -620 -100)"><path d="m 573 182.269531 v 3.449219 c 0.613281 -0.355469 0.996094 -1.007812 1 -1.71875 c 0 -0.714844 -0.382812 -1.375 -1 -1.730469 z m 0 4.90625 v 6.824219 h 2 v -4 c 0 -1.269531 -0.800781 -2.402344 -2 -2.824219 z m 0 0"/></g></g></svg>

fitnesstrax/app/src/about.rs

@@ -0,0 +1,80 @@
+/*
+Copyright 2023 - 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+
+#[derive(Default)]
+pub struct AboutWindowPrivate {}
+
+#[glib::object_subclass]
+impl ObjectSubclass for AboutWindowPrivate {
+    const NAME: &'static str = "AboutWindow";
+    type Type = AboutWindow;
+    type ParentType = gtk::Window;
+}
+
+impl ObjectImpl for AboutWindowPrivate {}
+impl WidgetImpl for AboutWindowPrivate {}
+impl WindowImpl for AboutWindowPrivate {}
+
+glib::wrapper! {
+    pub struct AboutWindow(ObjectSubclass<AboutWindowPrivate>) @extends gtk::Window, gtk::Widget;
+}
+
+impl Default for AboutWindow {
+    fn default() -> Self {
+        let s: Self = Object::builder().build();
+        s.set_width_request(600);
+        s.set_height_request(700);
+        s.add_css_class("about");
+
+        s.set_title(Some("About Fitnesstrax"));
+        let copyright = gtk::Label::builder()
+            .label("Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>")
+            .halign(gtk::Align::Start)
+            .build();
+
+        let gtk_rs_thanks = gtk::Label::builder()
+            .label("I owe a huge debt of gratitude to the GTK-RS project (https://gtk-rs.org/), which makes it possible for me to write this application to begin with. Further, I owe a particular debt to Julian Hofer and his book, GUI development with Rust and GTK 4 (https://gtk-rs.org/gtk4-rs/stable/latest/book/). Without this book, I would have continued to stumble around writing bad user interfaces with even worse code.")
+            .halign(gtk::Align::Start).wrap(true)
+            .build();
+
+        let dependencies = gtk::Label::builder()
+            .label("This application depends on many libraries, most of which are licensed under the BSD-3 or GPL-3 licenses.")
+            .halign(gtk::Align::Start).wrap(true)
+            .build();
+
+        let content = gtk::Box::builder()
+            .orientation(gtk::Orientation::Vertical)
+            .css_classes(["about__content"])
+            .build();
+        content.append(&copyright);
+        content.append(&gtk_rs_thanks);
+        content.append(&dependencies);
+
+        let scroller = gtk::ScrolledWindow::builder()
+            .child(&content)
+            .hexpand(true)
+            .vexpand(true)
+            .hscrollbar_policy(gtk::PolicyType::Never)
+            .build();
+
+        s.set_child(Some(&scroller));
+
+        s
+    }
+}

fitnesstrax/app/src/app.rs

@@ -0,0 +1,167 @@
+/*
+Copyright 2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use async_trait::async_trait;
+use chrono::NaiveDate;
+use emseries::{time_range, Record, RecordId, Series, Timestamp};
+use ft_core::TraxRecord;
+use std::{
+    path::PathBuf,
+    sync::{Arc, RwLock},
+};
+use thiserror::Error;
+use tokio::runtime::Runtime;
+
+#[derive(Debug, Error)]
+pub enum AppError {
+    #[error("no database loaded")]
+    NoDatabase,
+    #[error("failed to open the database")]
+    FailedToOpenDatabase,
+    #[error("unhandled error")]
+    Unhandled,
+}
+
+#[derive(Debug, Error)]
+pub enum ReadError {
+    #[error("no database loaded")]
+    NoDatabase,
+}
+
+#[derive(Debug, Error)]
+pub enum WriteError {
+    #[error("no database loaded")]
+    NoDatabase,
+    #[error("unhandled error")]
+    Unhandled,
+}
+
+#[async_trait]
+pub trait RecordProvider: Send + Sync {
+    async fn records(
+        &self,
+        start: NaiveDate,
+        end: NaiveDate,
+    ) -> Result<Vec<Record<TraxRecord>>, ReadError>;
+    async fn put_record(&self, record: TraxRecord) -> Result<RecordId, WriteError>;
+    async fn update_record(&self, record: Record<TraxRecord>) -> Result<(), WriteError>;
+    async fn delete_record(&self, id: RecordId) -> Result<(), WriteError>;
+}
+
+/// The real, headless application. This is where all of the logic will reside.
+#[derive(Clone)]
+pub struct App {
+    runtime: Arc<Runtime>,
+    database: Arc<RwLock<Option<Series<TraxRecord>>>>,
+}
+
+impl App {
+    pub fn new(db_path: Option<PathBuf>) -> Self {
+        let database = db_path.map(|path| Series::open(path).unwrap());
+        let runtime = Arc::new(
+            tokio::runtime::Builder::new_multi_thread()
+                .enable_all()
+                .build()
+                .unwrap(),
+        );
+
+        Self {
+            runtime,
+            database: Arc::new(RwLock::new(database)),
+        }
+    }
+
+    pub async fn open_db(&self, path: PathBuf) -> Result<(), AppError> {
+        let db_ref = self.database.clone();
+        self.runtime
+            .spawn_blocking(move || {
+                let db = Series::open(path).map_err(|_| AppError::FailedToOpenDatabase)?;
+                *db_ref.write().unwrap() = Some(db);
+                Ok(())
+            })
+            .await
+            .unwrap()
+    }
+
+    pub fn database_is_open(&self) -> bool {
+        self.database.read().unwrap().is_some()
+    }
+}
+
+#[async_trait]
+impl RecordProvider for App {
+    async fn records(
+        &self,
+        start: NaiveDate,
+        end: NaiveDate,
+    ) -> Result<Vec<Record<TraxRecord>>, ReadError> {
+        let db = self.database.clone();
+        self.runtime
+            .spawn_blocking(move || {
+                if let Some(ref db) = *db.read().unwrap() {
+                    let records = db
+                        .search(time_range(
+                            Timestamp::Date(start),
+                            true,
+                            Timestamp::Date(end),
+                            true,
+                        ))
+                        .cloned()
+                        .collect::<Vec<Record<TraxRecord>>>();
+                    Ok(records)
+                } else {
+                    Err(ReadError::NoDatabase)
+                }
+            })
+            .await
+            .unwrap()
+    }
+
+    async fn put_record(&self, record: TraxRecord) -> Result<RecordId, WriteError> {
+        let db = self.database.clone();
+        self.runtime
+            .spawn_blocking(move || {
+                if let Some(ref mut db) = *db.write().unwrap() {
+                    let id = db.put(record).unwrap();
+                    Ok(id)
+                } else {
+                    Err(AppError::NoDatabase)
+                }
+            })
+            .await
+            .unwrap()
+            .map_err(|_| WriteError::Unhandled)
+    }
+
+    async fn update_record(&self, record: Record<TraxRecord>) -> Result<(), WriteError> {
+        let db = self.database.clone();
+        self.runtime
+            .spawn_blocking(move || {
+                if let Some(ref mut db) = *db.write().unwrap() {
+                    db.update(record).map_err(|_| AppError::Unhandled)
+                } else {
+                    Err(AppError::NoDatabase)
+                }
+            })
+            .await
+            .unwrap()
+            .map_err(|_| WriteError::Unhandled)
+    }
+
+    async fn delete_record(&self, _id: RecordId) -> Result<(), WriteError> {
+        unimplemented!()
+    }
+}

fitnesstrax/app/src/app_window.rs

@@ -0,0 +1,215 @@
+/*
+Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::{
+    app::App,
+    types::DayInterval,
+    view_models::DayDetailViewModel,
+    views::{DayDetailView, HistoricalView, PlaceholderView, View, WelcomeView},
+};
+use adw::prelude::*;
+use chrono::{Duration, Local};
+
+use gio::resources_lookup_data;
+use gtk::STYLE_PROVIDER_PRIORITY_USER;
+use std::{cell::RefCell, path::PathBuf, rc::Rc};
+
+/// The application window, or the main window, is the main user interface for the app. Almost
+/// everything occurs here.
+#[derive(Clone)]
+pub struct AppWindow {
+    app: App,
+    layout: gtk::Box,
+    current_view: Rc<RefCell<View>>,
+    settings: gio::Settings,
+    navigation: adw::NavigationView,
+}
+
+impl AppWindow {
+    /// Construct a new App Window.
+    ///
+    /// adw_app is an Adwaita application. Application windows need to have access to this, but
+    /// otherwise we don't use this.
+    ///
+    /// app is a core [crate::app::App] object which encapsulates all of the basic logic.
+    pub fn new(
+        app_id: &str,
+        resource_path: &str,
+        adw_app: &adw::Application,
+        ft_app: App,
+    ) -> AppWindow {
+        let window = adw::ApplicationWindow::builder()
+            .application(adw_app)
+            .width_request(800)
+            .height_request(746)
+            .build();
+        window.connect_destroy(|s| {
+            let _ = gtk::prelude::WidgetExt::activate_action(s, "app.quit", None);
+        });
+
+        let stylesheet = String::from_utf8(
+            resources_lookup_data(
+                &format!("{}style.css", resource_path),
+                gio::ResourceLookupFlags::NONE,
+            )
+            .expect("stylesheet must be available in the resources")
+            .to_vec(),
+        )
+        .expect("to parse stylesheet");
+
+        let provider = gtk::CssProvider::new();
+        provider.load_from_data(&stylesheet);
+
+        #[allow(deprecated)]
+        let context = window.style_context();
+        #[allow(deprecated)]
+        context.add_provider(&provider, STYLE_PROVIDER_PRIORITY_USER);
+
+        let navigation = adw::NavigationView::new();
+
+        let layout = gtk::Box::builder()
+            .orientation(gtk::Orientation::Vertical)
+            .build();
+
+        let initial_view = View::Placeholder(PlaceholderView::default().upcast());
+
+        let header_bar = adw::HeaderBar::new();
+
+        let main_menu = gio::Menu::new();
+        main_menu.append(Some("About"), Some("app.about"));
+        main_menu.append(Some("Quit"), Some("app.quit"));
+        let main_menu_button = gtk::MenuButton::builder()
+            .icon_name("open-menu")
+            .direction(gtk::ArrowType::Down)
+            .halign(gtk::Align::End)
+            .menu_model(&main_menu)
+            .build();
+        header_bar.pack_end(&main_menu_button);
+
+        layout.append(&initial_view.widget());
+
+        let nav_layout = gtk::Box::new(gtk::Orientation::Vertical, 0);
+        nav_layout.append(&header_bar);
+        nav_layout.append(&layout);
+        navigation.push(
+            &adw::NavigationPage::builder()
+                .can_pop(false)
+                .title("FitnessTrax")
+                .child(&nav_layout)
+                .build(),
+        );
+
+        window.set_content(Some(&navigation));
+        window.present();
+
+        let s = Self {
+            app: ft_app,
+            layout,
+            current_view: Rc::new(RefCell::new(initial_view)),
+            settings: gio::Settings::new(app_id),
+            navigation,
+        };
+
+        s.load_records();
+
+        s.navigation.connect_popped({
+            let s = s.clone();
+            move |_, _| {
+                if let View::Historical(_) = *s.current_view.borrow() {
+                    s.load_records();
+                }
+            }
+        });
+
+        s
+    }
+
+    fn show_welcome_view(&self) {
+        let view = View::Welcome(WelcomeView::new({
+            let s = self.clone();
+            move |path| s.on_apply_config(path)
+        }));
+        self.swap_main(view);
+    }
+
+    fn show_historical_view(&self, interval: DayInterval) {
+        let on_select_day = {
+            let s = self.clone();
+            move |date| {
+                let s = s.clone();
+                glib::spawn_future_local(async move {
+                    let view_model = DayDetailViewModel::new(date, s.app.clone()).await.unwrap();
+                    let layout = gtk::Box::new(gtk::Orientation::Vertical, 0);
+                    layout.append(&adw::HeaderBar::new());
+                    // layout.append(&DayDetailView::new(date, records, s.app.clone()));
+                    layout.append(&DayDetailView::new(view_model));
+                    let page = &adw::NavigationPage::builder()
+                        .title(date.format("%Y-%m-%d").to_string())
+                        .child(&layout)
+                        .build();
+                    s.navigation.push(page);
+                });
+            }
+        };
+
+        let view = View::Historical(HistoricalView::new(
+            self.app.clone(),
+            interval,
+            Rc::new(on_select_day),
+        ));
+        self.swap_main(view);
+    }
+
+    fn load_records(&self) {
+        glib::spawn_future_local({
+            let s = self.clone();
+            async move {
+                if s.app.database_is_open() {
+                    let end = Local::now().date_naive();
+                    let start = end - Duration::days(7);
+                    s.show_historical_view(DayInterval { start, end });    
+                } else {
+                    s.show_welcome_view();
+                }
+            }
+        });
+    }
+
+    // Switch views.
+    //
+    // This function only replaces the old view with the one which matches the current view state.
+    // It is responsible for ensuring that the new view goes into the layout in the correct
+    // position.
+    fn swap_main(&self, view: View) {
+        let mut current_widget = self.current_view.borrow_mut();
+        self.layout.remove(&current_widget.widget());
+        *current_widget = view;
+        self.layout.append(&current_widget.widget());
+    }
+
+    #[allow(unused)]
+    fn on_apply_config(&self, path: PathBuf) {
+        glib::spawn_future_local({
+            let s = self.clone();
+            async move {
+                if s.app.open_db(path.clone()).await.is_ok() {
+                    let _ = s.settings.set("series-path", path.to_str().unwrap());
+                    s.load_records();
+                }
+            }
+        });
+    }
+}

fitnesstrax/app/src/components/action_group.rs

@@ -0,0 +1,137 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+//! ActionGroup and related structures
+
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+
+#[derive(Default)]
+pub struct ActionGroupPrivate;
+
+#[glib::object_subclass]
+impl ObjectSubclass for ActionGroupPrivate {
+    const NAME: &'static str = "ActionGroup";
+    type Type = ActionGroup;
+    type ParentType = gtk::Box;
+}
+
+impl ObjectImpl for ActionGroupPrivate {}
+impl WidgetImpl for ActionGroupPrivate {}
+impl BoxImpl for ActionGroupPrivate {}
+
+glib::wrapper! {
+    pub struct ActionGroup(ObjectSubclass<ActionGroupPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl ActionGroup {
+    fn new(builder: ActionGroupBuilder) -> Self {
+        let s: Self = Object::builder().build();
+        s.set_orientation(builder.orientation);
+
+        let primary_button = builder.primary_action.button();
+        let secondary_button = builder.secondary_action.map(|action| action.button());
+        let tertiary_button = builder.tertiary_action.map(|action| action.button());
+
+        if let Some(button) = tertiary_button {
+            s.append(&button);
+        }
+
+        s.set_halign(gtk::Align::End);
+        if let Some(button) = secondary_button {
+            s.append(&button);
+        }
+        s.append(&primary_button);
+
+        s
+    }
+
+    pub fn builder() -> ActionGroupBuilder {
+        ActionGroupBuilder {
+            orientation: gtk::Orientation::Horizontal,
+            primary_action: Action {
+                label: "Ok".to_owned(),
+                action: Box::new(|| {}),
+            },
+            secondary_action: None,
+            tertiary_action: None,
+        }
+    }
+}
+
+struct Action {
+    label: String,
+    action: Box<dyn Fn()>,
+}
+
+impl Action {
+    fn button(self) -> gtk::Button {
+        let button = gtk::Button::builder().label(self.label).build();
+        button.connect_clicked(move |_| (self.action)());
+        button
+    }
+}
+
+pub struct ActionGroupBuilder {
+    orientation: gtk::Orientation,
+    primary_action: Action,
+    secondary_action: Option<Action>,
+    tertiary_action: Option<Action>,
+}
+
+impl ActionGroupBuilder {
+    pub fn orientation(mut self, orientation: gtk::Orientation) -> Self {
+        self.orientation = orientation;
+        self
+    }
+
+    pub fn primary_action<A>(mut self, label: &str, action: A) -> Self
+    where
+        A: Fn() + 'static,
+    {
+        self.primary_action = Action {
+            label: label.to_owned(),
+            action: Box::new(action),
+        };
+        self
+    }
+
+    pub fn secondary_action<A>(mut self, label: &str, action: A) -> Self
+    where
+        A: Fn() + 'static,
+    {
+        self.secondary_action = Some(Action {
+            label: label.to_owned(),
+            action: Box::new(action),
+        });
+        self
+    }
+
+    pub fn tertiary_action<A>(mut self, label: &str, action: A) -> Self
+    where
+        A: Fn() + 'static,
+    {
+        self.tertiary_action = Some(Action {
+            label: label.to_owned(),
+            action: Box::new(action),
+        });
+        self
+    }
+
+    pub fn build(self) -> ActionGroup {
+        ActionGroup::new(self)
+    }
+}

fitnesstrax/app/src/components/date_field.rs

@@ -0,0 +1,175 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::{components::{i32_field_builder, TextEntry, month_field_builder}, types::ParseError};
+use chrono::{Datelike, Local};
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::{cell::RefCell, rc::Rc};
+
+pub struct DateFieldPrivate {
+    date: Rc<RefCell<chrono::NaiveDate>>,
+    year: TextEntry<i32>,
+    month: TextEntry<u32>,
+    day: TextEntry<u32>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DateFieldPrivate {
+    const NAME: &'static str = "DateField";
+    type Type = DateField;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        let date = Rc::new(RefCell::new(Local::now().date_naive()));
+
+        let year = i32_field_builder()
+            .with_value(date.borrow().year())
+            .with_on_update(
+            {
+                let date = date.clone();
+                move |value| {
+                    if let Some(year) = value {
+                        let mut date = date.borrow_mut();
+                        if let Some(new_date) = date.with_year(year) {
+                            *date = new_date;
+                        }
+                    }
+                }
+            })
+            .with_length(4)
+            .with_css_classes(vec!["date-field__year".to_owned()]).build();
+
+        let month = month_field_builder()
+            .with_value(date.borrow().month())
+            .with_on_update(
+            {
+                let date = date.clone();
+                move |value| {
+                    if let Some(month) = value {
+                        let mut date = date.borrow_mut();
+                        if let Some(new_date) = date.with_month(month) {
+                            *date = new_date;
+                        }
+                    }
+                }
+            })
+            .with_css_classes(vec!["date-field__month".to_owned()])
+            .build();
+
+        /* Modify this so that it enforces the number of days per month */
+        let day = TextEntry::builder()
+            .with_placeholder("day".to_owned())
+            .with_value(date.borrow().day())
+            .with_renderer(|v| format!("{}", v))
+            .with_parser(|v| v.parse::<u32>().map_err(|_| ParseError))
+            .with_on_update({
+                let date = date.clone();
+                move |value| {
+                    if let Some(day) = value {
+                        let mut date = date.borrow_mut();
+                        if let Some(new_date) = date.with_day(day) {
+                            *date = new_date;
+                        }
+                    }
+                }
+            })
+            .with_css_classes(vec!["date-field__day".to_owned()])
+            .build();
+
+        Self {
+            date,
+            year,
+            month,
+            day,
+        }
+    }
+
+}
+
+impl ObjectImpl for DateFieldPrivate {}
+impl WidgetImpl for DateFieldPrivate {}
+impl BoxImpl for DateFieldPrivate {}
+
+glib::wrapper! {
+    pub struct DateField(ObjectSubclass<DateFieldPrivate>) @extends gtk::Box, gtk::Widget;
+}
+
+/* Render a date in the format 2006 Jan 01. The entire date is editable. When the user moves to one part of the date, it will be erased and replaced with a grey placeholder.
+ */
+impl DateField {
+    pub fn new(date: chrono::NaiveDate) -> Self {
+        let s: Self = Object::builder().build();
+        s.add_css_class("date-field");
+
+        s.append(&s.imp().year.widget());
+        s.append(&gtk::Label::new(Some("-")));
+        s.append(&s.imp().month.widget());
+        s.append(&gtk::Label::new(Some("-")));
+        s.append(&s.imp().day.widget());
+
+        s.set_date(date);
+
+        s
+    }
+
+    pub fn set_date(&self, date: chrono::NaiveDate) {
+        self.imp().year.set_value(Some(date.year()));
+        self.imp().month.set_value(Some(date.month()));
+        self.imp().day.set_value(Some(date.day()));
+
+        *self.imp().date.borrow_mut() = date;
+    }
+
+    pub fn date(&self) -> chrono::NaiveDate {
+        *self.imp().date.borrow()
+    }
+    /*
+    pub fn is_valid(&self) -> bool {
+        false
+    }
+    */
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    // use crate::gtk_init::gtk_init;
+
+    // Enabling this test pushes tests on the TextField into an infinite loop. That likely indicates a bad interaction within the TextField itself, and that is going to need to be fixed.
+    #[test]
+    #[ignore]
+    fn it_allows_valid_dates() {
+        let reference = chrono::NaiveDate::from_ymd_opt(2006, 01, 02).unwrap();
+        let field = DateField::new(reference);
+        field.imp().year.set_value(Some(2023));
+        field.imp().month.set_value(Some(10));
+        field.imp().day.set_value(Some(13));
+        // assert!(field.is_valid());
+    }
+    
+    #[test]
+    #[ignore]
+    fn it_disallows_out_of_range_months() {
+        unimplemented!()
+    }
+
+    #[test]
+    #[ignore]
+    fn it_allows_days_within_range_for_month() {
+        unimplemented!()
+    }
+}

fitnesstrax/app/src/components/date_range.rs

@@ -0,0 +1,189 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::{components::DateField, types::DayInterval};
+use chrono::{Duration, Local, Months};
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::cell::RefCell;
+
+type OnSearch = dyn Fn(DayInterval) + 'static;
+
+pub struct DateRangePickerPrivate {
+    start: DateField,
+    end: DateField,
+
+    on_search: RefCell<Box<OnSearch>>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DateRangePickerPrivate {
+    const NAME: &'static str = "DateRangePicker";
+    type Type = DateRangePicker;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        let default_date = Local::now().date_naive();
+        let start = DateField::new(default_date);
+        start.add_css_class("date-range-picker__date-field");
+        let end = DateField::new(default_date);
+        end.add_css_class("date-range-picker__date-field");
+
+        Self {
+            start,
+            end,
+            on_search: RefCell::new(Box::new(|_| {})),
+        }
+    }
+}
+
+impl ObjectImpl for DateRangePickerPrivate {}
+impl WidgetImpl for DateRangePickerPrivate {}
+impl BoxImpl for DateRangePickerPrivate {}
+
+glib::wrapper! {
+    pub struct DateRangePicker(ObjectSubclass<DateRangePickerPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl DateRangePicker {
+    pub fn connect_on_search<OnSearch>(&self, f: OnSearch)
+    where
+        OnSearch: Fn(DayInterval) + 'static,
+    {
+        *self.imp().on_search.borrow_mut() = Box::new(f);
+    }
+
+    pub fn set_interval(&self, start: chrono::NaiveDate, end: chrono::NaiveDate) {
+        self.imp().start.set_date(start);
+        self.imp().end.set_date(end);
+    }
+
+    pub fn interval(&self) -> DayInterval {
+        DayInterval {
+            start: self.imp().start.date(),
+            end: self.imp().end.date(),
+        }
+    }
+}
+
+impl Default for DateRangePicker {
+    fn default() -> Self {
+        let s: Self = Object::builder().build();
+        s.set_orientation(gtk::Orientation::Vertical);
+        s.add_css_class("date-range-picker");
+
+        let search_button = gtk::Button::builder()
+            .css_classes(["date-range-picker__search-button"])
+            .label("Search")
+            .build();
+        search_button.connect_clicked({
+            let s = s.clone();
+            move |_| (s.imp().on_search.borrow())(s.interval())
+        });
+
+        let last_week_button = gtk::Button::builder()
+            .css_classes(["date-range-picker__range-button"])
+            .label("week")
+            .build();
+        last_week_button.connect_clicked({
+            let s = s.clone();
+            move |_| {
+                let end = Local::now().date_naive();
+                let start = end - Duration::days(7);
+                s.set_interval(start, end);
+                (s.imp().on_search.borrow())(s.interval());
+            }
+        });
+
+        let two_weeks_button = gtk::Button::builder()
+            .css_classes(["date-range-picker__range-button"])
+            .label("two weeks")
+            .build();
+        two_weeks_button.connect_clicked({
+            let s = s.clone();
+            move |_| {
+                let end = Local::now().date_naive();
+                let start = end - Duration::days(14);
+                s.set_interval(start, end);
+                (s.imp().on_search.borrow())(s.interval());
+            }
+        });
+
+        let last_month_button = gtk::Button::builder()
+            .css_classes(["date-range-picker__range-button"])
+            .label("month")
+            .build();
+        last_month_button.connect_clicked({
+            let s = s.clone();
+            move |_| {
+                let end = Local::now().date_naive();
+                let start = end - Months::new(1);
+                s.set_interval(start, end);
+                (s.imp().on_search.borrow())(s.interval());
+            }
+        });
+
+        let six_months_button = gtk::Button::builder()
+            .css_classes(["date-range-picker__range-button"])
+            .label("six months")
+            .build();
+        six_months_button.connect_clicked({
+            let s = s.clone();
+            move |_| {
+                let end = Local::now().date_naive();
+                let start = end - Months::new(6);
+                s.set_interval(start, end);
+                (s.imp().on_search.borrow())(s.interval());
+            }
+        });
+
+        let last_year_button = gtk::Button::builder()
+            .css_classes(["date-range-picker__range-button"])
+            .label("year")
+            .build();
+        last_year_button.connect_clicked({
+            let s = s.clone();
+            move |_| {
+                let end = Local::now().date_naive();
+                let start = end - Months::new(12);
+                s.set_interval(start, end);
+                (s.imp().on_search.borrow())(s.interval());
+            }
+        });
+
+        let date_row = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+        date_row.append(&s.imp().start);
+        date_row.append(&gtk::Label::new(Some("to")));
+        date_row.append(&s.imp().end);
+        date_row.append(&search_button);
+
+        let quick_picker = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+        quick_picker.append(&last_week_button);
+        quick_picker.append(&two_weeks_button);
+        quick_picker.append(&last_month_button);
+        quick_picker.append(&six_months_button);
+        quick_picker.append(&last_year_button);
+
+        s.append(&date_row);
+        s.append(&quick_picker);
+
+        s
+    }
+}

fitnesstrax/app/src/components/day.rs

@@ -0,0 +1,400 @@
+/*
+Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+// use chrono::NaiveDate;
+// use ft_core::TraxRecord;
+use crate::{
+    components::{
+        steps_editor, time_distance_summary, weight_field, ActionGroup, Steps, WeightLabel,
+    },
+    types::{DistanceFormatter, DurationFormatter, WeightFormatter},
+    view_models::DayDetailViewModel,
+};
+use emseries::{Record, RecordId};
+use ft_core::{TimeDistanceActivity, TraxRecord, TIME_DISTANCE_ACTIVITIES};
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::{cell::RefCell, rc::Rc};
+
+use super::{time_distance::TimeDistanceEdit, time_distance_detail};
+
+pub struct DaySummaryPrivate {
+    date: gtk::Label,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DaySummaryPrivate {
+    const NAME: &'static str = "DaySummary";
+    type Type = DaySummary;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        let date = gtk::Label::builder()
+            .css_classes(["day-summary__date"])
+            .halign(gtk::Align::Start)
+            .build();
+        Self { date }
+    }
+}
+
+impl ObjectImpl for DaySummaryPrivate {}
+impl WidgetImpl for DaySummaryPrivate {}
+impl BoxImpl for DaySummaryPrivate {}
+
+glib::wrapper! {
+    /// The DaySummary displays one day's activities in a narrative style. This is meant to give
+    /// an overall feel of everything that happened during the day without going into details.
+    pub struct DaySummary(ObjectSubclass<DaySummaryPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl Default for DaySummary {
+    fn default() -> Self {
+        let s: Self = Object::builder().build();
+        s.set_orientation(gtk::Orientation::Vertical);
+        s.set_css_classes(&["day-summary"]);
+
+        s.append(&s.imp().date);
+
+        s
+    }
+}
+
+impl DaySummary {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn set_data(&self, view_model: DayDetailViewModel) {
+        self.imp()
+            .date
+            .set_text(&view_model.date.format("%Y-%m-%d").to_string());
+
+        let row = gtk::Box::builder().build();
+
+        let weight_label = gtk::Label::builder()
+            .halign(gtk::Align::Start)
+            .css_classes(["day-summary__weight"])
+            .build();
+        if let Some(w) = view_model.weight() {
+            weight_label.set_label(&w.to_string())
+        }
+
+        let steps_label = gtk::Label::builder()
+            .halign(gtk::Align::Start)
+            .css_classes(["day-summary__steps"])
+            .build();
+        if let Some(s) = view_model.steps() {
+            steps_label.set_label(&format!("{} steps", s));
+        }
+
+        row.append(&weight_label);
+        row.append(&steps_label);
+        self.append(&row);
+
+        for activity in TIME_DISTANCE_ACTIVITIES {
+            let summary = view_model.time_distance_summary(activity);
+            if let Some(label) = time_distance_summary(
+                activity,
+                DistanceFormatter::from(summary.0),
+                DurationFormatter::from(summary.1),
+            ) {
+                self.append(&label);
+            }
+        }
+    }
+}
+
+#[derive(Default)]
+pub struct DayDetailPrivate {}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DayDetailPrivate {
+    const NAME: &'static str = "DayDetail";
+    type Type = DayDetail;
+    type ParentType = gtk::Box;
+}
+
+impl ObjectImpl for DayDetailPrivate {}
+impl WidgetImpl for DayDetailPrivate {}
+impl BoxImpl for DayDetailPrivate {}
+
+glib::wrapper! {
+    pub struct DayDetail(ObjectSubclass<DayDetailPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl DayDetail {
+    pub fn new<OnEdit>(view_model: DayDetailViewModel, on_edit: OnEdit) -> Self
+    where
+        OnEdit: Fn() + 'static,
+    {
+        let s: Self = Object::builder().build();
+        s.set_orientation(gtk::Orientation::Vertical);
+        s.set_hexpand(true);
+
+        s.append(
+            &ActionGroup::builder()
+                .primary_action("Edit", Box::new(on_edit))
+                .build(),
+        );
+
+        let top_row = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+        let weight_view = WeightLabel::new(view_model.weight().map(WeightFormatter::from));
+        top_row.append(&weight_view.widget());
+
+        let steps_view = Steps::new(view_model.steps());
+        top_row.append(&steps_view.widget());
+
+        s.append(&top_row);
+
+        let records = view_model.time_distance_records();
+        for emseries::Record { data, .. } in records {
+            s.append(&time_distance_detail(data));
+        }
+
+        s
+    }
+}
+
+pub struct DayEditPrivate {
+    on_finished: RefCell<Box<dyn Fn()>>,
+    #[allow(unused)]
+    workout_rows: RefCell<gtk::Box>,
+    view_model: RefCell<Option<DayDetailViewModel>>,
+}
+
+impl Default for DayEditPrivate {
+    fn default() -> Self {
+        Self {
+            on_finished: RefCell::new(Box::new(|| {})),
+            workout_rows: RefCell::new(
+                gtk::Box::builder()
+                    .orientation(gtk::Orientation::Vertical)
+                    .hexpand(true)
+                    .build(),
+            ),
+            view_model: RefCell::new(None),
+        }
+    }
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DayEditPrivate {
+    const NAME: &'static str = "DayEdit";
+    type Type = DayEdit;
+    type ParentType = gtk::Box;
+}
+
+impl ObjectImpl for DayEditPrivate {}
+impl WidgetImpl for DayEditPrivate {}
+impl BoxImpl for DayEditPrivate {}
+
+glib::wrapper! {
+    pub struct DayEdit(ObjectSubclass<DayEditPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl DayEdit {
+    pub fn new<OnFinished>(view_model: DayDetailViewModel, on_finished: OnFinished) -> Self
+    where
+        OnFinished: Fn() + 'static,
+    {
+        let s: Self = Object::builder().build();
+        s.set_orientation(gtk::Orientation::Vertical);
+        s.set_hexpand(true);
+        *s.imp().on_finished.borrow_mut() = Box::new(on_finished);
+        *s.imp().view_model.borrow_mut() = Some(view_model.clone());
+
+        let workout_buttons = workout_buttons(view_model.clone(), {
+            let s = s.clone();
+            move |workout| s.add_row(workout)
+        });
+
+        view_model
+            .records()
+            .into_iter()
+            .filter_map({
+                let s = s.clone();
+                move |record| match record.data {
+                    TraxRecord::TimeDistance(workout) => Some(TimeDistanceEdit::new(workout, {
+                        let s = s.clone();
+                        move |data| {
+                            s.update_workout(record.id, data);
+                        }
+                    })),
+                    _ => None,
+                }
+            })
+            .for_each(|row| s.imp().workout_rows.borrow().append(&row));
+
+        s.append(&control_buttons(&s, &view_model));
+        s.append(&weight_and_steps_row(&view_model));
+        s.append(&*s.imp().workout_rows.borrow());
+        s.append(&workout_buttons);
+
+        s
+    }
+
+    fn finish(&self) {
+        glib::spawn_future_local({
+            let s = self.clone();
+            async move {
+                let view_model = {
+                    let view_model = s.imp().view_model.borrow();
+                    view_model
+                        .as_ref()
+                        .expect("DayEdit has not been initialized with the view model")
+                        .clone()
+                };
+                let _ = view_model.async_save().await;
+                (s.imp().on_finished.borrow())()
+            }
+        });
+    }
+
+    fn add_row(&self, workout: Record<TraxRecord>) {
+        let workout_rows = self.imp().workout_rows.borrow();
+
+        #[allow(clippy::single_match)]
+        match workout.data {
+            TraxRecord::TimeDistance(r) => workout_rows.append(&TimeDistanceEdit::new(r, {
+                let s = self.clone();
+                move |data| {
+                    println!("update workout callback on workout: {:?}", workout.id);
+                    s.update_workout(workout.id, data)
+                }
+            })),
+
+            _ => {}
+        }
+    }
+
+    fn update_workout(&self, id: RecordId, data: ft_core::TimeDistance) {
+        if let Some(ref view_model) = *self.imp().view_model.borrow() {
+            let record = Record {
+                id,
+                data: TraxRecord::TimeDistance(data),
+            };
+            view_model.update_record(record);
+        }
+    }
+}
+
+fn control_buttons(s: &DayEdit, view_model: &DayDetailViewModel) -> ActionGroup {
+    ActionGroup::builder()
+        .primary_action("Save", {
+            let s = s.clone();
+            move || s.finish()
+        })
+        .secondary_action("Cancel", {
+            let s = s.clone();
+            let view_model = view_model.clone();
+            move || {
+                let s = s.clone();
+                let view_model = view_model.clone();
+                glib::spawn_future_local(async move {
+                    view_model.revert().await;
+                    s.finish();
+                });
+            }
+        })
+        .build()
+}
+
+fn weight_and_steps_row(view_model: &DayDetailViewModel) -> gtk::Box {
+    let row = gtk::Box::builder()
+        .orientation(gtk::Orientation::Horizontal)
+        .build();
+    row.append(
+        &weight_field(view_model.weight().map(WeightFormatter::from), {
+            let view_model = view_model.clone();
+            move |w| match w {
+                Some(w) => view_model.set_weight(*w),
+                None => eprintln!("have not implemented record delete"),
+            }
+        })
+        .widget(),
+    );
+
+    row.append(
+        &steps_editor(view_model.steps(), {
+            let view_model = view_model.clone();
+            move |s| match s {
+                Some(s) => view_model.set_steps(s),
+                None => eprintln!("have not implemented record delete"),
+            }
+        })
+        .widget(),
+    );
+
+    row
+}
+
+fn workout_buttons<AddRow>(view_model: DayDetailViewModel, add_row: AddRow) -> gtk::Box
+where
+    AddRow: Fn(Record<TraxRecord>) + 'static,
+{
+    let add_row = Rc::new(add_row);
+
+    let layout = gtk::Box::builder()
+        .orientation(gtk::Orientation::Horizontal)
+        .build();
+
+    for (activity, icon, label) in [
+        (
+            TimeDistanceActivity::Biking,
+            "cycling-symbolic",
+            "Bike Ride",
+        ),
+        (TimeDistanceActivity::Rowing, "rowing-symbolic", "Rowing"),
+        (TimeDistanceActivity::Running, "running-symbolic", "Run"),
+        (TimeDistanceActivity::Swimming, "swimming-symbolic", "Swim"),
+        (TimeDistanceActivity::Walking, "walking-symbolic", "Walk"),
+    ] {
+        let button = workout_button(activity, icon, label, view_model.clone(), {
+            let add_row = add_row.clone();
+            move |record| add_row(record)
+        });
+        layout.append(&button);
+    }
+
+    layout
+}
+
+fn workout_button<AddRow>(
+    activity: TimeDistanceActivity,
+    _icon: &str,
+    label: &str,
+    view_model: DayDetailViewModel,
+    add_row: AddRow,
+) -> gtk::Button
+where
+    AddRow: Fn(Record<TraxRecord>) + 'static,
+{
+    let button = gtk::Button::builder()
+        .label(label)
+        .width_request(64)
+        .height_request(64)
+        .build();
+    button.connect_clicked({
+        let view_model = view_model.clone();
+        move |_| {
+            let workout = view_model.new_time_distance(activity);
+            add_row(workout.map(TraxRecord::TimeDistance));
+        }
+    });
+    button
+}

fitnesstrax/app/src/components/mod.rs

@@ -0,0 +1,155 @@
+/*
+Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not,
+see <https://www.gnu.org/licenses/>.
+*/
+
+mod action_group;
+pub use action_group::ActionGroup;
+
+mod day;
+pub use day::{DayDetail, DayEdit, DaySummary};
+
+mod date_field;
+pub use date_field::DateField;
+
+mod date_range;
+pub use date_range::DateRangePicker;
+
+mod singleton;
+pub use singleton::{Singleton, SingletonImpl};
+
+mod steps;
+pub use steps::{steps_editor, Steps};
+
+mod text_entry;
+pub use text_entry::{distance_field, duration_field, time_field, weight_field, i32_field_builder, month_field_builder, TextEntry};
+
+mod time_distance;
+pub use time_distance::{time_distance_detail, time_distance_summary};
+
+mod weight;
+pub use weight::WeightLabel;
+
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::{cell::RefCell, path::PathBuf, rc::Rc};
+
+pub struct FileChooserRowPrivate {
+    path: RefCell<Option<PathBuf>>,
+    label: gtk::Label,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for FileChooserRowPrivate {
+    const NAME: &'static str = "FileChooser";
+    type Type = FileChooserRow;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        Self {
+            path: RefCell::new(None),
+            label: gtk::Label::builder().hexpand(true).build(),
+        }
+    }
+}
+
+impl ObjectImpl for FileChooserRowPrivate {}
+impl WidgetImpl for FileChooserRowPrivate {}
+impl BoxImpl for FileChooserRowPrivate {}
+
+glib::wrapper! {
+    pub struct FileChooserRow(ObjectSubclass<FileChooserRowPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl FileChooserRow {
+    pub fn new<F>(on_selected: F) -> Self
+    where
+        F: Fn(PathBuf) + 'static,
+    {
+        let s: Self = Object::builder().build();
+
+        s.set_css_classes(&["dialog-row", "card"]);
+        s.set_orientation(gtk::Orientation::Horizontal);
+        s.set_spacing(8);
+
+        // The database selection row should be a box that shows a default database path, along with a
+        // button that triggers a file chooser dialog. Once the dialog returns, the box should be
+        // updated to reflect the chosen path.
+        s.imp().label.set_text("No database selected");
+
+        let on_selected = Rc::new(Box::new(on_selected));
+
+        let import_button = gtk::Button::builder().label("Import a Database").build();
+
+        let handle_file_selection = Rc::new(Box::new({
+            let s = s.clone();
+            let on_selected = on_selected.clone();
+            move |file_id: Result<gio::File, glib::Error>| match file_id {
+                Ok(file_id) => match file_id.path() {
+                    Some(path) => {
+                        s.imp().label.set_text(path.to_str().unwrap());
+                        on_selected(path.clone());
+                        *s.imp().path.borrow_mut() = Some(path);
+                    }
+                    None => {
+                        *s.imp().path.borrow_mut() = None;
+                        s.imp().label.set_text("No database selected");
+                    }
+                },
+                Err(err) => println!("file opening failed: {}", err),
+            }
+        }));
+
+        import_button.connect_clicked({
+            let handle_file_selection = handle_file_selection.clone();
+            move |_| {
+                let no_window: Option<&gtk::Window> = None;
+                let not_cancellable: Option<&gio::Cancellable> = None;
+                let handle_file_selection = handle_file_selection.clone();
+                gtk::FileDialog::builder().build().open(
+                    no_window,
+                    not_cancellable,
+                    move |file_id| handle_file_selection(file_id),
+                );
+            }
+        });
+
+        let new_button = gtk::Button::builder().label("Create Database").build();
+        new_button.connect_clicked({
+            let handle_file_selection = handle_file_selection.clone();
+            move |_| {
+                let no_window: Option<&gtk::Window> = None;
+                let not_cancellable: Option<&gio::Cancellable> = None;
+                let handle_file_selection = handle_file_selection.clone();
+                gtk::FileDialog::builder().build().save(
+                    no_window,
+                    not_cancellable,
+                    move |file_id| handle_file_selection(file_id),
+                );
+            }
+        });
+
+        s.imp().label.set_halign(gtk::Align::Start);
+        s.append(&s.imp().label);
+        s.append(&import_button);
+        s.append(&new_button);
+
+        s
+    }
+
+    pub fn path(&self) -> Option<PathBuf> {
+        self.imp().path.borrow().clone()
+    }
+}

fitnesstrax/app/src/components/singleton.rs

@@ -0,0 +1,71 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+//! A Widget container for a single components
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::cell::RefCell;
+
+pub struct SingletonPrivate {
+    widget: RefCell<gtk::Widget>,
+}
+
+impl Default for SingletonPrivate {
+    fn default() -> Self {
+        Self {
+            widget: RefCell::new(gtk::Label::new(None).upcast()),
+        }
+    }
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for SingletonPrivate {
+    const NAME: &'static str = "Singleton";
+    type Type = Singleton;
+    type ParentType = gtk::Box;
+}
+
+impl ObjectImpl for SingletonPrivate {}
+impl WidgetImpl for SingletonPrivate {}
+impl BoxImpl for SingletonPrivate {}
+
+glib::wrapper! {
+    /// The Singleton component contains exactly one child widget. The swap function makes it easy
+    /// to handle the job of swapping that child out for a different one.
+    pub struct Singleton(ObjectSubclass<SingletonPrivate>) @extends gtk::Box, gtk::Widget;
+}
+
+impl Default for Singleton {
+    fn default() -> Self {
+        let s: Self = Object::builder().build();
+
+        s.append(&*s.imp().widget.borrow());
+
+        s
+    }
+}
+
+impl Singleton {
+    pub fn swap(&self, new_widget: &impl IsA<gtk::Widget>) {
+        let new_widget = new_widget.clone().upcast();
+        self.remove(&*self.imp().widget.borrow());
+        self.append(&new_widget);
+        *self.imp().widget.borrow_mut() = new_widget;
+    }
+}
+
+pub trait SingletonImpl: WidgetImpl + BoxImpl {}
+unsafe impl<T: SingletonImpl> IsSubclassable<T> for Singleton {}

fitnesstrax/app/src/components/steps.rs

@@ -0,0 +1,60 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::{components::TextEntry, types::ParseError};
+use gtk::prelude::*;
+
+#[derive(Default)]
+pub struct Steps {
+    label: gtk::Label,
+}
+
+impl Steps {
+    pub fn new(steps: Option<u32>) -> Self {
+        let label = gtk::Label::builder()
+            .css_classes(["card", "step-view"])
+            .can_focus(true)
+            .build();
+
+        match steps {
+            Some(s) => label.set_text(&format!("{}", s)),
+            None => label.set_text("No steps recorded"),
+        }
+
+        Self { label }
+    }
+
+    pub fn widget(&self) -> gtk::Widget {
+        self.label.clone().upcast()
+    }
+}
+
+pub fn steps_editor<OnUpdate>(value: Option<u32>, on_update: OnUpdate) -> TextEntry<u32>
+where
+    OnUpdate: Fn(Option<u32>) + 'static,
+{
+    let text_entry = TextEntry::builder()
+        .with_placeholder(   "0".to_owned())
+        .with_renderer(|v| format!("{}", v))
+        .with_parser(|v| v.parse::<u32>().map_err(|_| ParseError))
+        .with_on_update(on_update);
+
+    if let Some(time) = value {
+        text_entry.with_value(time)
+    } else {
+        text_entry
+    }.build()
+}

fitnesstrax/app/src/components/text_entry.rs

@@ -0,0 +1,373 @@
+/*
+Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::types::{
+    DistanceFormatter, DurationFormatter, FormatOption, ParseError, TimeFormatter, WeightFormatter,
+};
+use gtk::prelude::*;
+use std::{cell::RefCell, rc::Rc};
+
+pub type Parser<T> = dyn Fn(&str) -> Result<T, ParseError>;
+pub type OnUpdate<T> = dyn Fn(Option<T>);
+
+// TextEntry is not a proper widget because I was never able to figure out how to do a type parameterization on a GTK widget.
+#[derive(Clone)]
+pub struct TextEntry<T: Clone + std::fmt::Debug> {
+    value: Rc<RefCell<Option<T>>>,
+
+    widget: gtk::Entry,
+    renderer: Rc<dyn Fn(&T) -> String>,
+    parser: Rc<Parser<T>>,
+    on_update: Rc<OnUpdate<T>>,
+}
+
+impl<T: Clone + std::fmt::Debug> std::fmt::Debug for TextEntry<T> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
+        write!(
+            f,
+            "{{ value: {:?}, widget: {:?} }}",
+            self.value, self.widget
+        )
+    }
+}
+
+// I do not understand why the data should be 'static.
+impl<T: Clone + std::fmt::Debug + 'static> TextEntry<T> {
+    fn from_builder(builder: TextEntryBuilder<T>) -> TextEntry<T> {
+        let widget = gtk::Entry::builder()
+            .placeholder_text(builder.placeholder)
+            .build();
+        if let Some(ref v) = builder.value {
+            widget.set_text(&(builder.renderer)(v))
+        }
+
+        let s = Self {
+            value: Rc::new(RefCell::new(builder.value)),
+            widget,
+            renderer: Rc::new(builder.renderer),
+            parser: Rc::new(builder.parser),
+            on_update: Rc::new(builder.on_update),
+        };
+
+        s.widget.buffer().connect_text_notify({
+            let s = s.clone();
+            move |buffer| s.handle_text_change(buffer)
+        });
+
+        if let Some(length) = builder.length {
+            s.widget.set_max_length(length.try_into().unwrap());
+        }
+
+        // let classes: Vec<&str> = builder.css_classes.iter(|v| v.as_ref()).collect();
+        let classes: Vec<&str> = builder.css_classes.iter().map(AsRef::as_ref).collect();
+        s.widget.set_css_classes(&classes);
+
+        s
+    }
+
+    pub fn builder() -> TextEntryBuilder<T> {
+        TextEntryBuilder::default()
+    }
+
+    pub fn set_value(&self, val: Option<T>) {
+        if let Some(ref v) = val {
+            self.widget.set_text(&(self.renderer)(v));
+        }
+    }
+
+    fn handle_text_change(&self, buffer: &gtk::EntryBuffer) {
+        if buffer.text().is_empty() {
+            *self.value.borrow_mut() = None;
+            self.widget.remove_css_class("error");
+            (self.on_update)(None);
+            return;
+        }
+        match (self.parser)(buffer.text().as_str()) {
+            Ok(v) => {
+                *self.value.borrow_mut() = Some(v.clone());
+                self.widget.remove_css_class("error");
+                (self.on_update)(Some(v));
+            }
+            // need to change the border to provide a visual indicator of an error
+            Err(_) => {
+                self.widget.add_css_class("error");
+            }
+        }
+    }
+
+    pub fn widget(&self) -> gtk::Widget {
+        self.widget.clone().upcast::<gtk::Widget>()
+    }
+
+    #[cfg(test)]
+    fn has_parse_error(&self) -> bool {
+        self.widget.has_css_class("error")
+    }
+}
+
+pub struct TextEntryBuilder<T: Clone + std::fmt::Debug + 'static> {
+    placeholder: String,
+    value: Option<T>,
+    length: Option<usize>,
+    css_classes: Vec<String>,
+    renderer: Box<dyn Fn(&T) -> String>,
+    parser: Box<Parser<T>>,
+    on_update: Box<OnUpdate<T>>,
+}
+
+impl<T: Clone + std::fmt::Debug + 'static> Default for TextEntryBuilder<T> {
+    fn default() -> TextEntryBuilder<T> {
+        TextEntryBuilder {
+            placeholder: "".to_owned(),
+            value: None,
+            length: None,
+            css_classes: vec![],
+            renderer: Box::new(|_| "".to_owned()),
+            parser: Box::new(|_| Err(ParseError)),
+            on_update: Box::new(|_| {}),
+        }
+    }
+}
+
+impl<T: Clone + std::fmt::Debug + 'static> TextEntryBuilder<T> {
+    pub fn build(self) -> TextEntry<T> {
+        TextEntry::from_builder(self)
+    }
+
+    pub fn with_placeholder(self, placeholder: String) -> Self {
+        Self {
+            placeholder,
+            ..self
+        }
+    }
+
+    pub fn with_value(self, value: T) -> Self {
+        Self {
+            value: Some(value),
+            ..self
+        }
+    }
+
+    pub fn with_length(self, length: usize) -> Self {
+        Self {
+            length: Some(length),
+            ..self
+        }
+    }
+
+    pub fn with_css_classes(self, classes: Vec<String>) -> Self {
+        Self {
+            css_classes: classes,
+            ..self
+        }
+    }
+
+    pub fn with_renderer(self, renderer: impl Fn(&T) -> String + 'static) -> Self {
+        Self {
+            renderer: Box::new(renderer),
+            ..self
+        }
+    }
+
+    pub fn with_parser(self, parser: impl Fn(&str) -> Result<T, ParseError> + 'static) -> Self {
+        Self {
+            parser: Box::new(parser),
+            ..self
+        }
+    }
+
+    pub fn with_on_update(self, on_update: impl Fn(Option<T>) + 'static) -> Self {
+        Self {
+            on_update: Box::new(on_update),
+            ..self
+        }
+    }
+}
+
+pub fn time_field<OnUpdate>(
+    value: Option<TimeFormatter>,
+    on_update: OnUpdate,
+) -> TextEntry<TimeFormatter>
+where
+    OnUpdate: Fn(Option<TimeFormatter>) + 'static,
+{
+    let text_entry = TextEntry::builder()
+        .with_placeholder("HH:MM".to_owned())
+        .with_renderer(|val: &TimeFormatter| val.format(FormatOption::Abbreviated))
+        .with_parser(TimeFormatter::parse)
+        .with_on_update(on_update);
+
+    if let Some(time) = value {
+        text_entry.with_value(time)
+    } else {
+        text_entry
+    }
+    .build()
+}
+
+pub fn distance_field<OnUpdate>(
+    value: Option<DistanceFormatter>,
+    on_update: OnUpdate,
+) -> TextEntry<DistanceFormatter>
+where
+    OnUpdate: Fn(Option<DistanceFormatter>) + 'static,
+{
+    let text_entry = TextEntry::builder()
+        .with_placeholder("0 km".to_owned())
+        .with_renderer(|val: &DistanceFormatter| val.format(FormatOption::Abbreviated))
+        .with_parser(DistanceFormatter::parse)
+        .with_on_update(on_update);
+
+    if let Some(distance) = value {
+        text_entry.with_value(distance)
+    } else {
+        text_entry
+    }
+    .build()
+}
+
+pub fn duration_field<OnUpdate>(
+    value: Option<DurationFormatter>,
+    on_update: OnUpdate,
+) -> TextEntry<DurationFormatter>
+where
+    OnUpdate: Fn(Option<DurationFormatter>) + 'static,
+{
+    let text_entry = TextEntry::builder()
+        .with_placeholder("0 m".to_owned())
+        .with_renderer(|val: &DurationFormatter| val.format(FormatOption::Abbreviated))
+        .with_parser(DurationFormatter::parse)
+        .with_on_update(on_update);
+
+    if let Some(duration) = value {
+        text_entry.with_value(duration)
+    } else {
+        text_entry
+    }
+    .build()
+}
+pub fn weight_field<OnUpdate>(
+    weight: Option<WeightFormatter>,
+    on_update: OnUpdate,
+) -> TextEntry<WeightFormatter>
+where
+    OnUpdate: Fn(Option<WeightFormatter>) + 'static,
+{
+    let text_entry = TextEntry::builder()
+        .with_placeholder("0 kg".to_owned())
+        .with_renderer(|val: &WeightFormatter| val.format(FormatOption::Abbreviated))
+        .with_parser(WeightFormatter::parse)
+        .with_on_update(on_update);
+    if let Some(weight) = weight {
+        text_entry.with_value(weight)
+    } else {
+        text_entry
+    }
+    .build()
+}
+
+pub fn i32_field_builder() -> TextEntryBuilder<i32>
+{
+    TextEntry::builder()
+        .with_placeholder("0".to_owned())
+        .with_renderer(|val| format!("{}", val))
+        .with_parser(|v| v.parse::<i32>().map_err(|_| ParseError))
+}
+
+pub fn month_field_builder() -> TextEntryBuilder<u32>
+{
+    TextEntry::builder()
+        .with_placeholder("0".to_owned())
+        .with_renderer(|val| format!("{}", val))
+        .with_parser(|v| {
+            let val = v.parse::<u32>().map_err(|_| ParseError)?;
+            if val == 0 || val > 12 {
+                return Err(ParseError);
+            }
+            Ok(val)
+        })
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use crate::gtk_init::gtk_init;
+
+    fn setup_u32_entry() -> (Rc<RefCell<Option<u32>>>, TextEntry<u32>) {
+        let current_value = Rc::new(RefCell::new(None));
+
+        let entry = TextEntry::builder()
+            .with_placeholder("step count".to_owned())
+            .with_renderer(|steps| format!("{}", steps))
+            .with_parser(|v| v.parse::<u32>().map_err(|_| ParseError))
+            .with_on_update({
+                let current_value = current_value.clone();
+                move |v| *current_value.borrow_mut() = v
+            })
+            .build();
+
+        (current_value, entry)
+    }
+
+    #[test]
+    fn it_responds_to_field_changes() {
+        gtk_init();
+        let (current_value, entry) = setup_u32_entry();
+        let buffer = entry.widget.buffer();
+
+        buffer.set_text("1");
+        assert_eq!(*current_value.borrow(), Some(1));
+
+        buffer.set_text("15");
+        assert_eq!(*current_value.borrow(), Some(15));
+    }
+
+    #[test]
+    fn it_preserves_last_value_in_parse_error() {
+        crate::gtk_init::gtk_init();
+        let (current_value, entry) = setup_u32_entry();
+        let buffer = entry.widget.buffer();
+
+        buffer.set_text("1");
+        assert_eq!(*current_value.borrow(), Some(1));
+
+        buffer.set_text("a5");
+        assert_eq!(*current_value.borrow(), Some(1));
+        assert!(entry.has_parse_error());
+    }
+
+    #[test]
+    fn it_update_on_empty_strings() {
+        gtk_init();
+        let (current_value, entry) = setup_u32_entry();
+        let buffer = entry.widget.buffer();
+
+        buffer.set_text("1");
+        assert_eq!(*current_value.borrow(), Some(1));
+        buffer.set_text("");
+        assert_eq!(*current_value.borrow(), None);
+
+        buffer.set_text("1");
+        assert_eq!(*current_value.borrow(), Some(1));
+        buffer.set_text("1a");
+        assert_eq!(*current_value.borrow(), Some(1));
+        assert!(entry.has_parse_error());
+
+        buffer.set_text("");
+        assert_eq!(*current_value.borrow(), None);
+        assert!(!entry.has_parse_error());
+    }
+}

fitnesstrax/app/src/components/time_distance.rs

@@ -0,0 +1,271 @@
+/*
+Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::{
+    components::{distance_field, duration_field, time_field},
+    types::{DistanceFormatter, DurationFormatter, FormatOption, TimeFormatter},
+};
+use dimensioned::si;
+use ft_core::{TimeDistance, TimeDistanceActivity, TIME_DISTANCE_ACTIVITIES};
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::{cell::RefCell, rc::Rc};
+
+pub fn time_distance_summary(
+    activity: TimeDistanceActivity,
+    distance: DistanceFormatter,
+    duration: DurationFormatter,
+) -> Option<gtk::Label> {
+    let text = match (*distance > si::M, *duration > si::S) {
+        (true, true) => Some(format!(
+            "{} of {:?} in {}",
+            distance.format(FormatOption::Full),
+            activity,
+            duration.format(FormatOption::Full)
+        )),
+        (true, false) => Some(format!(
+            "{} of {:?}",
+            distance.format(FormatOption::Full),
+            activity
+        )),
+        (false, true) => Some(format!(
+            "{} of {:?}",
+            duration.format(FormatOption::Full),
+            activity
+        )),
+        (false, false) => None,
+    };
+
+    text.map(|text| gtk::Label::builder().halign(gtk::Align::Start).label(&text).build())
+}
+
+pub fn time_distance_detail(record: ft_core::TimeDistance) -> gtk::Box {
+    let layout = gtk::Box::builder()
+        .orientation(gtk::Orientation::Vertical)
+        .hexpand(true)
+        .build();
+    let first_row = gtk::Box::builder().homogeneous(true).build();
+
+    first_row.append(
+        &gtk::Label::builder()
+            .halign(gtk::Align::Start)
+            .label(record.datetime.format("%H:%M").to_string())
+            .build(),
+    );
+
+    first_row.append(
+        &gtk::Label::builder()
+            .halign(gtk::Align::Start)
+            .label(format!("{:?}", record.activity))
+            .build(),
+    );
+
+    first_row.append(
+        &gtk::Label::builder()
+            .halign(gtk::Align::Start)
+            .label(
+                record
+                    .distance
+                    .map(|dist| DistanceFormatter::from(dist).format(FormatOption::Abbreviated))
+                    .unwrap_or("".to_owned()),
+            )
+            .build(),
+    );
+
+    first_row.append(
+        &gtk::Label::builder()
+            .halign(gtk::Align::Start)
+            .label(
+                record
+                    .duration
+                    .map(|duration| {
+                        DurationFormatter::from(duration).format(FormatOption::Abbreviated)
+                    })
+                    .unwrap_or("".to_owned()),
+            )
+            .build(),
+    );
+
+    layout.append(&first_row);
+
+    layout.append(
+        &gtk::Label::builder()
+            .halign(gtk::Align::Start)
+            .label(
+                record
+                    .comments
+                    .map(|comments| comments.to_string())
+                    .unwrap_or("".to_owned()),
+            )
+            .build(),
+    );
+
+    layout
+}
+
+type OnUpdate = Rc<RefCell<Box<dyn Fn(TimeDistance)>>>;
+
+pub struct TimeDistanceEditPrivate {
+    #[allow(unused)]
+    workout: RefCell<ft_core::TimeDistance>,
+    on_update: OnUpdate,
+}
+
+impl Default for TimeDistanceEditPrivate {
+    fn default() -> Self {
+        Self {
+            workout: RefCell::new(TimeDistance {
+                datetime: chrono::Utc::now().into(),
+                activity: TimeDistanceActivity::Biking,
+                duration: None,
+                distance: None,
+                comments: None,
+            }),
+            on_update: Rc::new(RefCell::new(Box::new(|_| {}))),
+        }
+    }
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for TimeDistanceEditPrivate {
+    const NAME: &'static str = "TimeDistanceEdit";
+    type Type = TimeDistanceEdit;
+    type ParentType = gtk::Box;
+}
+
+impl ObjectImpl for TimeDistanceEditPrivate {}
+impl WidgetImpl for TimeDistanceEditPrivate {}
+impl BoxImpl for TimeDistanceEditPrivate {}
+
+glib::wrapper! {
+    pub struct TimeDistanceEdit(ObjectSubclass<TimeDistanceEditPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl Default for TimeDistanceEdit {
+    fn default() -> Self {
+        let s: Self = Object::builder().build();
+        s.set_orientation(gtk::Orientation::Vertical);
+        s.set_hexpand(true);
+        s.set_css_classes(&["time-distance-edit"]);
+
+        s
+    }
+}
+
+impl TimeDistanceEdit {
+    pub fn new<OnUpdate>(workout: TimeDistance, on_update: OnUpdate) -> Self
+    where
+        OnUpdate: Fn(TimeDistance) + 'static,
+    {
+        let s = Self::default();
+
+        *s.imp().workout.borrow_mut() = workout.clone();
+        *s.imp().on_update.borrow_mut() = Box::new(on_update);
+
+        let details_row = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+
+        details_row.append(
+            &time_field(
+                Some(TimeFormatter::from(workout.datetime.naive_local().time())),
+                {
+                    let s = s.clone();
+                    move |t| s.update_time(t)
+                },
+            )
+            .widget(),
+        );
+        details_row.append(&s.activity_menu(workout.activity));
+        details_row.append(
+            &distance_field(workout.distance.map(DistanceFormatter::from), {
+                let s = s.clone();
+                move |d| s.update_distance(d)
+            })
+            .widget(),
+        );
+        details_row.append(
+            &duration_field(workout.duration.map(DurationFormatter::from), {
+                let s = s.clone();
+                move |d| s.update_duration(d)
+            })
+            .widget(),
+        );
+        s.append(&details_row);
+        s.append(&gtk::Entry::new());
+
+        s
+    }
+
+    fn update_time(&self, time: Option<TimeFormatter>) {
+        if let Some(time_formatter) = time {
+            let mut workout = self.imp().workout.borrow_mut();
+            let tz = workout.datetime.timezone();
+            let new_time = workout
+                .datetime
+                .date_naive()
+                .and_time(*time_formatter)
+                .and_local_timezone(tz)
+                .unwrap()
+                .fixed_offset();
+            workout.datetime = new_time;
+            (self.imp().on_update.borrow())(workout.clone());
+        }
+    }
+
+    fn update_workout_type(&self, type_: TimeDistanceActivity) {
+        let mut workout = self.imp().workout.borrow_mut();
+        workout.activity = type_;
+        (self.imp().on_update.borrow())(workout.clone())
+    }
+
+    fn update_distance(&self, distance: Option<DistanceFormatter>) {
+        let mut workout = self.imp().workout.borrow_mut();
+        workout.distance = distance.map(|d| *d);
+        (self.imp().on_update.borrow())(workout.clone());
+    }
+
+    fn update_duration(&self, duration: Option<DurationFormatter>) {
+        let mut workout = self.imp().workout.borrow_mut();
+        workout.duration = duration.map(|d| *d);
+        (self.imp().on_update.borrow())(workout.clone());
+    }
+
+    fn activity_menu(&self, selected: TimeDistanceActivity) -> gtk::DropDown {
+        let options = TIME_DISTANCE_ACTIVITIES
+            .iter()
+            .map(|item| format!("{:?}", item))
+            .collect::<Vec<String>>();
+
+        let options = options.iter().map(|o| o.as_ref()).collect::<Vec<&str>>();
+
+        let selected_idx = TIME_DISTANCE_ACTIVITIES
+            .iter()
+            .position(|&v| v == selected)
+            .unwrap_or(0);
+
+        let menu = gtk::DropDown::from_strings(&options);
+        menu.set_selected(selected_idx as u32);
+        menu.connect_selected_item_notify({
+            let s = self.clone();
+            move |menu| {
+                let new_item = TIME_DISTANCE_ACTIVITIES[menu.selected() as usize];
+                s.update_workout_type(new_item);
+            }
+        });
+        menu
+    }
+}

fitnesstrax/app/src/components/weight.rs

@@ -0,0 +1,42 @@
+/*
+Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::types::{FormatOption, WeightFormatter};
+use gtk::prelude::*;
+
+pub struct WeightLabel {
+    label: gtk::Label,
+}
+
+impl WeightLabel {
+    pub fn new(weight: Option<WeightFormatter>) -> Self {
+        let label = gtk::Label::builder()
+            .css_classes(["card", "weight-view"])
+            .can_focus(true)
+            .build();
+
+        match weight {
+            Some(w) => label.set_text(&w.format(FormatOption::Abbreviated)),
+            None => label.set_text("No weight recorded"),
+        }
+
+        Self { label }
+    }
+
+    pub fn widget(&self) -> gtk::Widget {
+        self.label.clone().upcast()
+    }
+}

fitnesstrax/app/src/gtk_init.rs

@@ -0,0 +1,10 @@
+use std::sync::Once;
+
+static INITIALIZED: Once = Once::new();
+
+pub fn gtk_init() {
+    INITIALIZED.call_once(|| {
+        eprintln!("initializing GTK");
+        let _ = gtk::init();
+    });
+}

fitnesstrax/app/src/main.rs

@@ -0,0 +1,101 @@
+/*
+Copyright 2023 - 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+mod about;
+mod app;
+mod app_window;
+mod components;
+#[cfg(test)]
+mod gtk_init;
+mod types;
+mod view_models;
+mod views;
+
+use adw::prelude::*;
+use app_window::AppWindow;
+use gio::ActionEntry;
+use std::{env, path::PathBuf};
+
+const APP_ID_DEV: &str = "com.luminescent-dreams.fitnesstrax.dev";
+const APP_ID_PROD: &str = "com.luminescent-dreams.fitnesstrax";
+
+const RESOURCE_BASE_PATH: &str = "/com/luminescent-dreams/fitnesstrax/";
+
+fn setup_app_about_action(app: &adw::Application) {
+    let action = ActionEntry::builder("about")
+        .activate(|_app: &adw::Application, _, _| {
+            let window = about::AboutWindow::default();
+            window.present();
+        }).build();
+    app.add_action_entries([action]);
+}
+
+/// Sets up an application-global action, `app.quit`, which will terminate the application.
+fn setup_app_close_action(app: &adw::Application) {
+    let action = ActionEntry::builder("quit")
+        .activate(|app: &adw::Application, _, _| {
+            // right now, stopping the application is dirt simple. But we could use this
+            // block to add extra code that does additional shutdown steps if we ever want
+            // some states that shouldn't be discarded.
+            app.quit();
+        })
+        .build();
+    app.add_action_entries([action]);
+    app.set_accels_for_action("app.quit", &["<Ctrl>Q"]);
+}
+
+fn main() {
+    // I still don't fully understand gio resources. resources_register_include! is convenient
+    // because I don't have to deal with filesystem locations at runtime. However, I think other
+    // GTK applications do that rather than compiling the resources directly into the app. So, I'm
+    // unclear as to how I want to handle this.
+    gio::resources_register_include!("com.luminescent-dreams.fitnesstrax.gresource")
+        .expect("to register resources");
+
+    let app_id = if std::env::var_os("ENV") == Some("dev".into()) {
+        APP_ID_DEV
+    } else {
+        APP_ID_PROD
+    };
+
+    let settings = gio::Settings::new(app_id);
+    let ft_app = app::App::new({
+        let path = settings.string("series-path");
+        if path.is_empty() {
+            None
+        } else {
+            Some(PathBuf::from(path))
+        }
+    });
+
+    let adw_app = adw::Application::builder()
+        .application_id(app_id)
+        .resource_base_path(RESOURCE_BASE_PATH)
+        .build();
+
+    adw_app.connect_activate(move |adw_app| {
+        let icon_theme = gtk::IconTheme::for_display(&gdk::Display::default().unwrap());
+        icon_theme.add_resource_path(&(RESOURCE_BASE_PATH.to_owned() + "/icons/scalable/actions"));
+
+        setup_app_about_action(adw_app);
+        setup_app_close_action(adw_app);
+
+        AppWindow::new(app_id, RESOURCE_BASE_PATH, adw_app, ft_app.clone());
+    });
+
+    let args: Vec<String> = env::args().collect();
+    ApplicationExtManual::run_with_args(&adw_app, &args);
+}

fitnesstrax/app/src/types.rs

@@ -0,0 +1,349 @@
+use chrono::{Local, NaiveDate};
+use dimensioned::si;
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct ParseError;
+
+// This interval doesn't feel right, either. The idea that I have a specific interval type for just
+// NaiveDate is odd. This should be genericized, as should the iterator. Also, it shouldn't live
+// here, but in utilities.
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct DayInterval {
+    pub start: NaiveDate,
+    pub end: NaiveDate,
+}
+
+impl Default for DayInterval {
+    fn default() -> Self {
+        Self {
+            start: (Local::now() - chrono::Duration::days(7)).date_naive(),
+            end: Local::now().date_naive(),
+        }
+    }
+}
+
+impl DayInterval {
+    pub fn days(&self) -> impl Iterator<Item = NaiveDate> {
+        DayIterator {
+            current: self.start,
+            end: self.end,
+        }
+    }
+}
+
+struct DayIterator {
+    current: NaiveDate,
+    end: NaiveDate,
+}
+
+impl Iterator for DayIterator {
+    type Item = NaiveDate;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        if self.current <= self.end {
+            let val = self.current;
+            self.current += chrono::Duration::days(1);
+            Some(val)
+        } else {
+            None
+        }
+    }
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum FormatOption {
+    Abbreviated,
+    #[allow(unused)]
+    Full,
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub struct TimeFormatter(chrono::NaiveTime);
+
+impl TimeFormatter {
+    #[allow(unused)]
+    pub fn format(&self, option: FormatOption) -> String {
+        match option {
+            FormatOption::Abbreviated => self.0.format("%H:%M"),
+            FormatOption::Full => self.0.format("%H:%M:%S"),
+        }
+        .to_string()
+    }
+
+    #[allow(unused)]
+    pub fn parse(s: &str) -> Result<TimeFormatter, ParseError> {
+        let parts = s
+            .split(':')
+            .map(|part| part.parse::<u32>().map_err(|_| ParseError))
+            .collect::<Result<Vec<u32>, ParseError>>()?;
+        match parts.len() {
+            0 => Err(ParseError),
+            1 => Err(ParseError),
+            2 => chrono::NaiveTime::from_hms_opt(parts[0], parts[1], 0)
+                .map(|v| TimeFormatter(v))
+                .ok_or(ParseError),
+            3 => chrono::NaiveTime::from_hms_opt(parts[0], parts[1], parts[2])
+                .map(|v| TimeFormatter(v))
+                .ok_or(ParseError),
+            _ => Err(ParseError),
+        }
+    }
+}
+
+impl std::ops::Deref for TimeFormatter {
+    type Target = chrono::NaiveTime;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl From<chrono::NaiveTime> for TimeFormatter {
+    fn from(value: chrono::NaiveTime) -> Self {
+        Self(value)
+    }
+}
+
+#[derive(Clone, Copy, Debug, Default, PartialEq, PartialOrd)]
+pub struct WeightFormatter(si::Kilogram<f64>);
+
+impl WeightFormatter {
+    #[allow(unused)]
+    pub fn format(&self, option: FormatOption) -> String {
+        match option {
+            FormatOption::Abbreviated => format!("{} kg", self.0.value_unsafe),
+            FormatOption::Full => format!("{} kilograms", self.0.value_unsafe),
+        }
+    }
+
+    #[allow(unused)]
+    pub fn parse(s: &str) -> Result<WeightFormatter, ParseError> {
+        s.parse::<f64>()
+            .map(|w| WeightFormatter(w * si::KG))
+            .map_err(|_| ParseError)
+    }
+}
+
+impl std::ops::Add for WeightFormatter {
+    type Output = WeightFormatter;
+    fn add(self, rside: Self) -> Self::Output {
+        Self::Output::from(self.0 + rside.0)
+    }
+}
+
+impl std::ops::Sub for WeightFormatter {
+    type Output = WeightFormatter;
+    fn sub(self, rside: Self) -> Self::Output {
+        Self::Output::from(self.0 - rside.0)
+    }
+}
+
+impl std::ops::Deref for WeightFormatter {
+    type Target = si::Kilogram<f64>;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl From<si::Kilogram<f64>> for WeightFormatter {
+    fn from(value: si::Kilogram<f64>) -> Self {
+        Self(value)
+    }
+}
+
+#[derive(Clone, Copy, Debug, Default, PartialEq, PartialOrd)]
+pub struct DistanceFormatter(si::Meter<f64>);
+
+impl DistanceFormatter {
+    #[allow(unused)]
+    pub fn format(&self, option: FormatOption) -> String {
+        match option {
+            FormatOption::Abbreviated => format!("{} km", self.0.value_unsafe / 1000.),
+            FormatOption::Full => format!("{} kilometers", self.0.value_unsafe / 1000.),
+        }
+    }
+
+    #[allow(unused)]
+    pub fn parse(s: &str) -> Result<DistanceFormatter, ParseError> {
+        let value = s.parse::<f64>().map_err(|_| ParseError)?;
+        Ok(DistanceFormatter(value * 1000. * si::M))
+    }
+}
+
+impl std::ops::Add for DistanceFormatter {
+    type Output = DistanceFormatter;
+    fn add(self, rside: Self) -> Self::Output {
+        Self::Output::from(self.0 + rside.0)
+    }
+}
+
+impl std::ops::Sub for DistanceFormatter {
+    type Output = DistanceFormatter;
+    fn sub(self, rside: Self) -> Self::Output {
+        Self::Output::from(self.0 - rside.0)
+    }
+}
+
+impl std::ops::Deref for DistanceFormatter {
+    type Target = si::Meter<f64>;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl From<si::Meter<f64>> for DistanceFormatter {
+    fn from(value: si::Meter<f64>) -> Self {
+        Self(value)
+    }
+}
+
+#[derive(Clone, Copy, Debug, Default, PartialEq, PartialOrd)]
+pub struct DurationFormatter(si::Second<f64>);
+
+impl DurationFormatter {
+    #[allow(unused)]
+    pub fn format(&self, option: FormatOption) -> String {
+        let (hours, minutes) = self.hours_and_minutes();
+        let (h, m) = match option {
+            FormatOption::Abbreviated => ("h", "m"),
+            FormatOption::Full => (" hours", " minutes"),
+        };
+        if hours > 0 {
+            format!("{}{} {}{}", hours, h, minutes, m)
+        } else {
+            format!("{}{}", minutes, m)
+        }
+    }
+
+    #[allow(unused)]
+    pub fn parse(s: &str) -> Result<DurationFormatter, ParseError> {
+        let value = s.parse::<f64>().map_err(|_| ParseError)?;
+        Ok(DurationFormatter(value * 60. * si::S))
+    }
+
+    #[allow(unused)]
+    fn hours_and_minutes(&self) -> (i64, i64) {
+        let minutes: i64 = (self.0.value_unsafe / 60.).round() as i64;
+        let hours: i64 = minutes / 60;
+        let minutes = minutes - (hours * 60);
+        (hours, minutes)
+    }
+}
+
+impl std::ops::Add for DurationFormatter {
+    type Output = DurationFormatter;
+    fn add(self, rside: Self) -> Self::Output {
+        Self::Output::from(self.0 + rside.0)
+    }
+}
+
+impl std::ops::Sub for DurationFormatter {
+    type Output = DurationFormatter;
+    fn sub(self, rside: Self) -> Self::Output {
+        Self::Output::from(self.0 - rside.0)
+    }
+}
+
+impl std::ops::Deref for DurationFormatter {
+    type Target = si::Second<f64>;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl From<si::Second<f64>> for DurationFormatter {
+    fn from(value: si::Second<f64>) -> Self {
+        Self(value)
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use dimensioned::si;
+
+    #[test]
+    fn it_parses_weight_values() {
+        assert_eq!(
+            WeightFormatter::parse("15.3"),
+            Ok(WeightFormatter(15.3 * si::KG))
+        );
+        assert_eq!(WeightFormatter::parse("15.ab"), Err(ParseError));
+    }
+
+    #[test]
+    fn it_formats_weight_values() {
+        assert_eq!(
+            WeightFormatter::from(15.3 * si::KG).format(FormatOption::Abbreviated),
+            "15.3 kg"
+        );
+        assert_eq!(
+            WeightFormatter::from(15.3 * si::KG).format(FormatOption::Full),
+            "15.3 kilograms"
+        );
+    }
+
+    #[test]
+    fn it_parses_distance_values() {
+        assert_eq!(
+            DistanceFormatter::parse("70"),
+            Ok(DistanceFormatter(70000. * si::M))
+        );
+        assert_eq!(DistanceFormatter::parse("15.ab"), Err(ParseError));
+    }
+
+    #[test]
+    fn it_formats_distance_values() {
+        assert_eq!(
+            DistanceFormatter::from(70000. * si::M).format(FormatOption::Abbreviated),
+            "70 km"
+        );
+        assert_eq!(
+            DistanceFormatter::from(70000. * si::M).format(FormatOption::Full),
+            "70 kilometers"
+        );
+    }
+
+    #[test]
+    fn it_parses_duration_values() {
+        assert_eq!(
+            DurationFormatter::parse("70"),
+            Ok(DurationFormatter(4200. * si::S))
+        );
+        assert_eq!(DurationFormatter::parse("15.ab"), Err(ParseError));
+    }
+
+    #[test]
+    fn it_formats_duration_values() {
+        assert_eq!(
+            DurationFormatter::from(4200. * si::S).format(FormatOption::Abbreviated),
+            "1h 10m"
+        );
+        assert_eq!(
+            DurationFormatter::from(4200. * si::S).format(FormatOption::Full),
+            "1 hours 10 minutes"
+        );
+    }
+
+    #[test]
+    fn it_parses_time_values() {
+        assert_eq!(
+            TimeFormatter::parse("13:25"),
+            Ok(TimeFormatter::from(
+                chrono::NaiveTime::from_hms_opt(13, 25, 0).unwrap()
+            )),
+        );
+        assert_eq!(
+            TimeFormatter::parse("13:25:50"),
+            Ok(TimeFormatter::from(
+                chrono::NaiveTime::from_hms_opt(13, 25, 50).unwrap()
+            )),
+        );
+    }
+
+    #[test]
+    fn it_formats_time_values() {
+        let time = TimeFormatter::from(chrono::NaiveTime::from_hms_opt(13, 25, 50).unwrap());
+        assert_eq!(time.format(FormatOption::Abbreviated), "13:25".to_owned());
+        assert_eq!(time.format(FormatOption::Full), "13:25:50".to_owned());
+    }
+}

fitnesstrax/app/src/view_models/day_detail.rs

@@ -0,0 +1,657 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::app::{ReadError, RecordProvider};
+use dimensioned::si;
+use emseries::{Record, RecordId, Recordable};
+use ft_core::{TimeDistance, TimeDistanceActivity, TraxRecord};
+use std::{
+    collections::HashMap,
+    ops::Deref,
+    sync::{Arc, RwLock},
+};
+
+// These are actually a used imports. Clippy isn't detecting their use, probably because of complexity around the async trait macros.
+#[allow(unused_imports)]
+use crate::app::WriteError;
+#[allow(unused_imports)]
+use chrono::NaiveDate;
+
+#[derive(Clone, Debug)]
+enum RecordState<T: Clone + Recordable> {
+    Original(Record<T>),
+    New(Record<T>),
+    Updated(Record<T>),
+    Deleted(Record<T>),
+}
+
+impl<T: Clone + emseries::Recordable> RecordState<T> {
+    fn exists(&self) -> bool {
+        match self {
+            RecordState::Original(_) => true,
+            RecordState::New(_) => true,
+            RecordState::Updated(_) => true,
+            RecordState::Deleted(_) => false,
+        }
+    }
+
+    #[allow(unused)]
+    fn data(&self) -> Option<&Record<T>> {
+        match self {
+            RecordState::Original(ref r) => Some(r),
+            RecordState::New(ref r) => None,
+            RecordState::Updated(ref r) => Some(r),
+            RecordState::Deleted(ref r) => Some(r),
+        }
+    }
+
+    fn set_value(&mut self, value: T) {
+        *self = match self {
+            RecordState::Original(r) => RecordState::Updated(Record { data: value, ..*r }),
+            RecordState::New(r) => RecordState::New(Record { data: value, ..*r }),
+            RecordState::Updated(r) => RecordState::Updated(Record { data: value, ..*r }),
+            RecordState::Deleted(r) => RecordState::Updated(Record { data: value, ..*r }),
+        };
+    }
+
+    fn with_value(mut self, value: T) -> RecordState<T> {
+        self.set_value(value);
+        self
+    }
+
+    #[allow(unused)]
+    fn with_delete(self) -> Option<RecordState<T>> {
+        match self {
+            RecordState::Original(r) => Some(RecordState::Deleted(r)),
+            RecordState::New(r) => None,
+            RecordState::Updated(r) => Some(RecordState::Deleted(r)),
+            RecordState::Deleted(r) => Some(RecordState::Deleted(r)),
+        }
+    }
+}
+
+impl<T: Clone + emseries::Recordable> Deref for RecordState<T> {
+    type Target = T;
+    fn deref(&self) -> &Self::Target {
+        match self {
+            RecordState::Original(ref r) => &r.data,
+            RecordState::New(ref r) => &r.data,
+            RecordState::Updated(ref r) => &r.data,
+            RecordState::Deleted(ref r) => &r.data,
+        }
+    }
+}
+
+impl<T: Clone + emseries::Recordable> std::ops::DerefMut for RecordState<T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        match self {
+            RecordState::Original(ref mut r) => &mut r.data,
+            RecordState::New(ref mut r) => &mut r.data,
+            RecordState::Updated(ref mut r) => &mut r.data,
+            RecordState::Deleted(ref mut r) => &mut r.data,
+        }
+    }
+}
+
+#[derive(Clone)]
+pub struct DayDetailViewModel {
+    provider: Arc<dyn RecordProvider>,
+    pub date: chrono::NaiveDate,
+    weight: Arc<RwLock<Option<RecordState<ft_core::Weight>>>>,
+    steps: Arc<RwLock<Option<RecordState<ft_core::Steps>>>>,
+    records: Arc<RwLock<HashMap<RecordId, RecordState<TraxRecord>>>>,
+}
+
+impl DayDetailViewModel {
+    pub async fn new(
+        date: chrono::NaiveDate,
+        provider: impl RecordProvider + 'static,
+    ) -> Result<Self, ReadError> {
+        let s = Self {
+            provider: Arc::new(provider),
+            date,
+            weight: Arc::new(RwLock::new(None)),
+            steps: Arc::new(RwLock::new(None)),
+            records: Arc::new(RwLock::new(HashMap::new())),
+        };
+        s.populate_records().await;
+        Ok(s)
+    }
+
+    pub fn weight(&self) -> Option<si::Kilogram<f64>> {
+        (*self.weight.read().unwrap()).as_ref().map(|w| w.weight)
+    }
+
+    pub fn set_weight(&self, new_weight: si::Kilogram<f64>) {
+        let mut record = self.weight.write().unwrap();
+        let new_record = match *record {
+            Some(ref rstate) => rstate.clone().with_value(ft_core::Weight {
+                date: self.date,
+                weight: new_weight,
+            }),
+            None => RecordState::New(Record {
+                id: RecordId::default(),
+                data: ft_core::Weight {
+                    date: self.date,
+                    weight: new_weight,
+                },
+            }),
+        };
+        *record = Some(new_record);
+    }
+
+    pub fn steps(&self) -> Option<u32> {
+        (*self.steps.read().unwrap()).as_ref().map(|w| w.count)
+    }
+
+    pub fn set_steps(&self, new_count: u32) {
+        let mut record = self.steps.write().unwrap();
+        let new_record = match *record {
+            Some(ref rstate) => rstate.clone().with_value(ft_core::Steps {
+                date: self.date,
+                count: new_count,
+            }),
+            None => RecordState::New(Record {
+                id: RecordId::default(),
+                data: ft_core::Steps {
+                    date: self.date,
+                    count: new_count,
+                },
+            }),
+        };
+        *record = Some(new_record);
+    }
+
+    pub fn new_time_distance(&self, activity: TimeDistanceActivity) -> Record<TimeDistance> {
+        let now = chrono::Local::now();
+        let base_time = now.time();
+        let tz = now.timezone();
+        let datetime = self
+            .date
+            .clone()
+            .and_time(base_time)
+            .and_local_timezone(tz)
+            .unwrap()
+            .into();
+
+        let id = RecordId::default();
+        let workout = TimeDistance {
+            datetime,
+            activity,
+            distance: None,
+            duration: None,
+            comments: None,
+        };
+        let tr = TraxRecord::from(workout.clone());
+        self.records
+            .write()
+            .unwrap()
+            .insert(id, RecordState::New(Record { id, data: tr }));
+        Record { id, data: workout }
+    }
+
+    pub fn time_distance_records(&self) -> Vec<Record<TimeDistance>> {
+        self.records
+            .read()
+            .unwrap()
+            .iter()
+            .filter(|(_, record)| record.exists())
+            .filter_map(|(id, record_state)| match **record_state {
+                TraxRecord::TimeDistance(ref workout) => Some(Record {
+                    id: *id,
+                    data: workout.clone(),
+                }),
+                _ => None,
+            })
+            .collect()
+    }
+
+    pub fn time_distance_summary(
+        &self,
+        activity: TimeDistanceActivity,
+    ) -> (si::Meter<f64>, si::Second<f64>) {
+        self.time_distance_records()
+            .into_iter()
+            .filter(|rec| rec.data.activity == activity)
+            .fold(
+                (0. * si::M, 0. * si::S),
+                |(distance, duration), workout| match (workout.data.distance, workout.data.duration)
+                {
+                    (Some(distance_), Some(duration_)) => {
+                        (distance + distance_, duration + duration_)
+                    }
+                    (Some(distance_), None) => (distance + distance_, duration),
+                    (None, Some(duration_)) => (distance, duration + duration_),
+                    (None, None) => (distance, duration),
+                },
+            )
+    }
+
+    pub fn update_record(&self, update: Record<TraxRecord>) {
+        let mut records = self.records.write().unwrap();
+        records
+            .entry(update.id)
+            .and_modify(|record| record.set_value(update.data));
+    }
+
+    pub fn records(&self) -> Vec<Record<TraxRecord>> {
+        let read_lock = self.records.read().unwrap();
+        read_lock
+            .iter()
+            .filter_map(|(_, record_state)| record_state.data())
+            .cloned()
+            .collect::<Vec<Record<TraxRecord>>>()
+    }
+
+    #[allow(unused)]
+    fn get_record(&self, id: &RecordId) -> Option<Record<TraxRecord>> {
+        let record_set = self.records.read().unwrap();
+        record_set.get(id).map(|record| Record {
+            id: *id,
+            data: (**record).clone(),
+        })
+    }
+
+    pub fn remove_record(&self, id: RecordId) {
+        let mut record_set = self.records.write().unwrap();
+        let updated_record = match record_set.remove(&id) {
+            Some(RecordState::Original(r)) => Some(RecordState::Deleted(r)),
+            Some(RecordState::New(_)) => None,
+            Some(RecordState::Updated(r)) => Some(RecordState::Deleted(r)),
+            Some(RecordState::Deleted(r)) => Some(RecordState::Deleted(r)),
+            None => None,
+        };
+        if let Some(updated_record) = updated_record {
+            record_set.insert(id, updated_record);
+        }
+    }
+
+    pub fn save(&self) {
+        let s = self.clone();
+
+        glib::spawn_future(async move { s.async_save().await });
+    }
+
+    pub async fn async_save(&self) {
+        let weight_record = self.weight.read().unwrap().clone();
+        match weight_record {
+            Some(RecordState::New(data)) => {
+                let _ = self
+                    .provider
+                    .put_record(TraxRecord::Weight(data.data))
+                    .await;
+            }
+            Some(RecordState::Original(_)) => {}
+            Some(RecordState::Updated(weight)) => {
+                let _ = self
+                    .provider
+                    .update_record(Record {
+                        id: weight.id,
+                        data: TraxRecord::Weight(weight.data),
+                    })
+                    .await;
+            }
+            Some(RecordState::Deleted(_)) => {}
+            None => {}
+        }
+
+        let steps_record = self.steps.read().unwrap().clone();
+        match steps_record {
+            Some(RecordState::New(data)) => {
+                let _ = self.provider.put_record(TraxRecord::Steps(data.data)).await;
+            }
+            Some(RecordState::Original(_)) => {}
+            Some(RecordState::Updated(steps)) => {
+                let _ = self
+                    .provider
+                    .update_record(Record {
+                        id: steps.id,
+                        data: TraxRecord::Steps(steps.data),
+                    })
+                    .await;
+            }
+            Some(RecordState::Deleted(_)) => {}
+            None => {}
+        }
+
+        let records = self
+            .records
+            .write()
+            .unwrap()
+            .drain()
+            .map(|(_, record)| record)
+            .collect::<Vec<RecordState<TraxRecord>>>();
+
+        for record in records {
+            println!("saving record: {:?}", record);
+            match record {
+                RecordState::New(data) => {
+                    let _ = self.provider.put_record(data.data).await;
+                }
+                RecordState::Original(_) => {}
+                RecordState::Updated(r) => {
+                    let _ = self.provider.update_record(r.clone()).await;
+                }
+                RecordState::Deleted(r) => {
+                    let _ = self.provider.delete_record(r.id).await;
+                }
+            }
+        }
+        self.populate_records().await;
+    }
+
+    pub async fn revert(&self) {
+        self.populate_records().await;
+    }
+
+    async fn populate_records(&self) {
+        let records = self.provider.records(self.date, self.date).await.unwrap();
+
+        let (weight_records, records): (Vec<Record<TraxRecord>>, Vec<Record<TraxRecord>>) =
+            records.into_iter().partition(|r| r.data.is_weight());
+        let (step_records, records): (Vec<Record<TraxRecord>>, Vec<Record<TraxRecord>>) =
+            records.into_iter().partition(|r| r.data.is_steps());
+
+        *self.weight.write().unwrap() = weight_records
+            .first()
+            .and_then(|r| match r.data {
+                TraxRecord::Weight(ref w) => Some((r.id, w.clone())),
+                _ => None,
+            })
+            .map(|(id, w)| RecordState::Original(Record { id, data: w }));
+
+        *self.steps.write().unwrap() = step_records
+            .first()
+            .and_then(|r| match r.data {
+                TraxRecord::Steps(ref w) => Some((r.id, w.clone())),
+                _ => None,
+            })
+            .map(|(id, w)| RecordState::Original(Record { id, data: w }));
+
+        *self.records.write().unwrap() = records
+            .into_iter()
+            .map(|r| (r.id, RecordState::Original(r)))
+            .collect::<HashMap<RecordId, RecordState<TraxRecord>>>();
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use async_trait::async_trait;
+    use chrono::{DateTime, FixedOffset};
+    use dimensioned::si;
+    use emseries::Record;
+
+    #[derive(Clone, Debug)]
+    struct MockProvider {
+        records: Arc<RwLock<HashMap<RecordId, Record<TraxRecord>>>>,
+
+        put_records: Arc<RwLock<Vec<Record<TraxRecord>>>>,
+        updated_records: Arc<RwLock<Vec<Record<TraxRecord>>>>,
+        deleted_records: Arc<RwLock<Vec<RecordId>>>,
+    }
+
+    impl MockProvider {
+        fn new(records: Vec<Record<TraxRecord>>) -> Self {
+            let record_map = records
+                .into_iter()
+                .map(|r| (r.id, r))
+                .collect::<HashMap<RecordId, Record<TraxRecord>>>();
+            Self {
+                records: Arc::new(RwLock::new(record_map)),
+                put_records: Arc::new(RwLock::new(vec![])),
+                updated_records: Arc::new(RwLock::new(vec![])),
+                deleted_records: Arc::new(RwLock::new(vec![])),
+            }
+        }
+    }
+
+    #[async_trait]
+    impl RecordProvider for MockProvider {
+        async fn records(
+            &self,
+            start: NaiveDate,
+            end: NaiveDate,
+        ) -> Result<Vec<Record<TraxRecord>>, ReadError> {
+            let start = emseries::Timestamp::Date(start);
+            let end = emseries::Timestamp::Date(end);
+            Ok(self
+                .records
+                .read()
+                .unwrap()
+                .iter()
+                .map(|(_, r)| r)
+                .filter(|r| r.timestamp() >= start && r.timestamp() <= end)
+                .cloned()
+                .collect::<Vec<Record<TraxRecord>>>())
+        }
+
+        async fn put_record(&self, record: TraxRecord) -> Result<RecordId, WriteError> {
+            let id = RecordId::default();
+            let record = Record {
+                id: id,
+                data: record,
+            };
+            self.put_records.write().unwrap().push(record.clone());
+            self.records.write().unwrap().insert(id, record);
+            Ok(id)
+        }
+
+        async fn update_record(&self, record: Record<TraxRecord>) -> Result<(), WriteError> {
+            println!("updated record: {:?}", record);
+            self.updated_records.write().unwrap().push(record.clone());
+            self.records.write().unwrap().insert(record.id, record);
+            Ok(())
+        }
+
+        async fn delete_record(&self, id: RecordId) -> Result<(), WriteError> {
+            self.deleted_records.write().unwrap().push(id);
+            let _ = self.records.write().unwrap().remove(&id);
+            Ok(())
+        }
+    }
+
+    async fn create_empty_view_model() -> (DayDetailViewModel, MockProvider) {
+        let provider = MockProvider::new(vec![]);
+
+        let oct_13 = chrono::NaiveDate::from_ymd_opt(2023, 10, 13).unwrap();
+        let model = DayDetailViewModel::new(oct_13, provider.clone())
+            .await
+            .unwrap();
+        (model, provider)
+    }
+
+    async fn create_view_model() -> (DayDetailViewModel, MockProvider) {
+        let oct_12 = chrono::NaiveDate::from_ymd_opt(2023, 10, 12).unwrap();
+        let oct_13 = chrono::NaiveDate::from_ymd_opt(2023, 10, 13).unwrap();
+        let oct_13_am: DateTime<FixedOffset> = oct_13
+            .clone()
+            .and_hms_opt(3, 28, 0)
+            .unwrap()
+            .and_utc()
+            .with_timezone(&FixedOffset::east_opt(5 * 3600).unwrap());
+        let provider = MockProvider::new(vec![
+            Record {
+                id: RecordId::default(),
+                data: TraxRecord::Weight(ft_core::Weight {
+                    date: oct_12,
+                    weight: 93. * si::KG,
+                }),
+            },
+            Record {
+                id: RecordId::default(),
+                data: TraxRecord::Weight(ft_core::Weight {
+                    date: oct_13,
+                    weight: 95. * si::KG,
+                }),
+            },
+            Record {
+                id: RecordId::default(),
+                data: TraxRecord::Steps(ft_core::Steps {
+                    date: oct_13,
+                    count: 2500,
+                }),
+            },
+            Record {
+                id: RecordId::default(),
+                data: TraxRecord::TimeDistance(ft_core::TimeDistance {
+                    datetime: oct_13_am.clone(),
+                    activity: TimeDistanceActivity::Biking,
+                    distance: Some(15000. * si::M),
+                    duration: Some(3600. * si::S),
+                    comments: Some("somecomments present".to_owned()),
+                }),
+            },
+        ]);
+        let model = DayDetailViewModel::new(oct_13, provider.clone())
+            .await
+            .unwrap();
+        (model, provider)
+    }
+
+    #[tokio::test]
+    async fn it_honors_only_the_first_weight_and_step_record() {
+        let (view_model, _provider) = create_view_model().await;
+        assert_eq!(view_model.weight(), Some(95. * si::KG));
+        assert_eq!(view_model.steps(), Some(2500));
+    }
+
+    #[tokio::test]
+    async fn it_can_create_a_weight_and_stepcount() {
+        let (view_model, provider) = create_empty_view_model().await;
+        assert_eq!(view_model.weight(), None);
+        assert_eq!(view_model.steps(), None);
+
+        view_model.set_weight(95. * si::KG);
+        view_model.set_steps(250);
+
+        assert_eq!(view_model.weight(), Some(95. * si::KG));
+        assert_eq!(view_model.steps(), Some(250));
+
+        view_model.set_weight(93. * si::KG);
+        view_model.set_steps(255);
+
+        assert_eq!(view_model.weight(), Some(93. * si::KG));
+        assert_eq!(view_model.steps(), Some(255));
+
+        view_model.async_save().await;
+
+        println!("provider: {:?}", provider);
+        assert_eq!(provider.put_records.read().unwrap().len(), 2);
+        assert_eq!(provider.updated_records.read().unwrap().len(), 0);
+        assert_eq!(provider.deleted_records.read().unwrap().len(), 0);
+    }
+
+    #[tokio::test]
+    async fn it_can_construct_new_records() {
+        let (view_model, provider) = create_empty_view_model().await;
+        assert_eq!(
+            view_model.time_distance_summary(TimeDistanceActivity::Biking),
+            (0. * si::M, 0. * si::S)
+        );
+
+        let mut record = view_model.new_time_distance(TimeDistanceActivity::Biking);
+        record.data.duration = Some(60. * si::S);
+        view_model.async_save().await;
+
+        assert_eq!(provider.put_records.read().unwrap().len(), 1);
+        assert_eq!(provider.updated_records.read().unwrap().len(), 0);
+        assert_eq!(provider.deleted_records.read().unwrap().len(), 0);
+    }
+
+    #[tokio::test]
+    async fn it_can_update_a_new_record_before_saving() {
+        let (view_model, provider) = create_empty_view_model().await;
+        assert_eq!(
+            view_model.time_distance_summary(TimeDistanceActivity::Biking),
+            (0. * si::M, 0. * si::S)
+        );
+
+        let mut record = view_model.new_time_distance(TimeDistanceActivity::Biking);
+        record.data.duration = Some(60. * si::S);
+        let record = record.map(TraxRecord::TimeDistance);
+        view_model.update_record(record.clone());
+        assert_eq!(view_model.get_record(&record.id), Some(record));
+        assert_eq!(
+            view_model.time_distance_summary(TimeDistanceActivity::Biking),
+            (0. * si::M, 60. * si::S)
+        );
+        assert_eq!(
+            view_model.time_distance_summary(TimeDistanceActivity::Running),
+            (0. * si::M, 0. * si::S)
+        );
+        view_model.async_save().await;
+
+        assert_eq!(provider.put_records.read().unwrap().len(), 1);
+        assert_eq!(provider.updated_records.read().unwrap().len(), 0);
+        assert_eq!(provider.deleted_records.read().unwrap().len(), 0);
+    }
+
+    #[tokio::test]
+    async fn it_can_update_an_existing_record() {
+        let (view_model, provider) = create_view_model().await;
+        let mut workout = view_model.time_distance_records().first().cloned().unwrap();
+
+        workout.data.duration = Some(1800. * si::S);
+        view_model.update_record(workout.map(TraxRecord::TimeDistance));
+
+        assert_eq!(
+            view_model.time_distance_summary(TimeDistanceActivity::Biking),
+            (15000. * si::M, 1800. * si::S)
+        );
+
+        view_model.async_save().await;
+
+        assert_eq!(provider.put_records.read().unwrap().len(), 0);
+        assert_eq!(provider.updated_records.read().unwrap().len(), 1);
+        assert_eq!(provider.deleted_records.read().unwrap().len(), 0);
+    }
+
+    #[tokio::test]
+    async fn it_can_remove_a_new_record() {
+        let (view_model, provider) = create_empty_view_model().await;
+        assert_eq!(
+            view_model.time_distance_summary(TimeDistanceActivity::Biking),
+            (0. * si::M, 0. * si::S)
+        );
+
+        let record = view_model.new_time_distance(TimeDistanceActivity::Biking);
+        view_model.remove_record(record.id);
+        view_model.save();
+
+        assert_eq!(provider.put_records.read().unwrap().len(), 0);
+        assert_eq!(provider.updated_records.read().unwrap().len(), 0);
+        assert_eq!(provider.deleted_records.read().unwrap().len(), 0);
+    }
+
+    #[tokio::test]
+    async fn it_can_delete_an_existing_record() {
+        let (view_model, provider) = create_view_model().await;
+        let workout = view_model.time_distance_records().first().cloned().unwrap();
+
+        view_model.remove_record(workout.id);
+        assert_eq!(
+            view_model.time_distance_summary(TimeDistanceActivity::Biking),
+            (0. * si::M, 0. * si::S)
+        );
+        view_model.async_save().await;
+
+        assert_eq!(provider.put_records.read().unwrap().len(), 0);
+        assert_eq!(provider.updated_records.read().unwrap().len(), 0);
+        assert_eq!(provider.deleted_records.read().unwrap().len(), 1);
+    }
+}

fitnesstrax/app/src/view_models/mod.rs

@@ -0,0 +1,18 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+mod day_detail;
+pub use day_detail::DayDetailViewModel;

fitnesstrax/app/src/views/day_detail_view.rs

@@ -0,0 +1,84 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::{
+    components::{DayDetail, DayEdit, Singleton, SingletonImpl},
+    view_models::DayDetailViewModel,
+};
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::cell::RefCell;
+
+#[derive(Default)]
+pub struct DayDetailViewPrivate {
+    container: Singleton,
+    view_model: RefCell<Option<DayDetailViewModel>>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DayDetailViewPrivate {
+    const NAME: &'static str = "DayDetailView";
+    type Type = DayDetailView;
+    type ParentType = gtk::Box;
+}
+
+impl ObjectImpl for DayDetailViewPrivate {}
+impl WidgetImpl for DayDetailViewPrivate {}
+impl BoxImpl for DayDetailViewPrivate {}
+impl SingletonImpl for DayDetailViewPrivate {}
+
+glib::wrapper! {
+    pub struct DayDetailView(ObjectSubclass<DayDetailViewPrivate>) @extends gtk::Box, gtk::Widget;
+}
+
+impl DayDetailView {
+    pub fn new(view_model: DayDetailViewModel) -> Self {
+        let s: Self = Object::builder().build();
+        *s.imp().view_model.borrow_mut() = Some(view_model);
+
+        s.append(&s.imp().container);
+
+        s.view();
+
+        s
+    }
+
+    fn view(&self) {
+        let view_model = self.imp().view_model.borrow();
+        let view_model = view_model
+            .as_ref()
+            .expect("DayDetailView has not been initialized with a view_model")
+            .clone();
+
+        self.imp().container.swap(&DayDetail::new(view_model, {
+            let s = self.clone();
+            move || s.edit()
+        }));
+    }
+
+    fn edit(&self) {
+        let view_model = self.imp().view_model.borrow();
+        let view_model = view_model
+            .as_ref()
+            .expect("DayDetailView has not been initialized with a view_model")
+            .clone();
+
+        self.imp().container.swap(&DayEdit::new(view_model, {
+            let s = self.clone();
+            move || s.view()
+        }));
+    }
+}

fitnesstrax/app/src/views/historical_view.rs

@@ -0,0 +1,182 @@
+/*
+Copyright 2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::{
+    app::App,
+    components::{DateRangePicker, DaySummary},
+    types::DayInterval,
+    view_models::DayDetailViewModel,
+};
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::{cell::RefCell, rc::Rc};
+
+/// The historical view will show a window into the main database. It will show some version of
+/// daily summaries, daily details, and will provide all functions the user may need for editing
+/// records.
+pub struct HistoricalViewPrivate {
+    app: Rc<RefCell<Option<App>>>,
+    list_view: gtk::ListView,
+    date_range_picker: DateRangePicker,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for HistoricalViewPrivate {
+    const NAME: &'static str = "HistoricalView";
+    type Type = HistoricalView;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        let factory = gtk::SignalListItemFactory::new();
+        factory.connect_setup(move |_, list_item| {
+            list_item
+                .downcast_ref::<gtk::ListItem>()
+                .expect("should be a ListItem")
+                .set_child(Some(&DaySummary::new()));
+        });
+
+        let date_range_picker = DateRangePicker::default();
+
+        let s = Self {
+            app: Rc::new(RefCell::new(None)),
+            list_view: gtk::ListView::builder()
+                .factory(&factory)
+                .single_click_activate(true)
+                .show_separators(true)
+                .build(),
+            date_range_picker,
+        };
+
+        factory.connect_bind({
+            let app = s.app.clone();
+            move |_, list_item| {
+                let date = list_item
+                    .downcast_ref::<gtk::ListItem>()
+                    .expect("should be a ListItem")
+                    .item()
+                    .and_downcast::<Date>()
+                    .expect("should be a Date");
+
+                let summary = list_item
+                    .downcast_ref::<gtk::ListItem>()
+                    .expect("should be a ListItem")
+                    .child()
+                    .and_downcast::<DaySummary>()
+                    .expect("should be a DaySummary");
+
+                if let Some(app) = app.borrow().clone() {
+                    glib::spawn_future_local(async move {
+                        let view_model = DayDetailViewModel::new(date.date(), app.clone())
+                            .await
+                            .unwrap();
+                        summary.set_data(view_model);
+                    });
+                }
+            }
+        });
+
+        s
+    }
+}
+
+impl ObjectImpl for HistoricalViewPrivate {}
+impl WidgetImpl for HistoricalViewPrivate {}
+impl BoxImpl for HistoricalViewPrivate {}
+
+glib::wrapper! {
+    pub struct HistoricalView(ObjectSubclass<HistoricalViewPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl HistoricalView {
+    pub fn new<SelectFn>(app: App, interval: DayInterval, on_select_day: Rc<SelectFn>) -> Self
+    where
+        SelectFn: Fn(chrono::NaiveDate) + 'static,
+    {
+        let s: Self = Object::builder().build();
+        s.set_orientation(gtk::Orientation::Vertical);
+        s.set_css_classes(&["historical"]);
+
+        *s.imp().app.borrow_mut() = Some(app);
+
+        s.imp().date_range_picker.connect_on_search({
+            let s = s.clone();
+            move |interval| s.set_interval(interval)
+        });
+        s.set_interval(interval);
+
+        s.imp().list_view.connect_activate({
+            let on_select_day = on_select_day.clone();
+            move |s, idx| {
+                // This gets triggered whenever the user clicks on an item on the list.
+                let item = s.model().unwrap().item(idx).unwrap();
+                let date = item.downcast_ref::<Date>().unwrap();
+                on_select_day(date.date());
+            }
+        });
+
+        let scroller = gtk::ScrolledWindow::builder()
+            .child(&s.imp().list_view)
+            .hexpand(true)
+            .vexpand(true)
+            .hscrollbar_policy(gtk::PolicyType::Never)
+            .build();
+
+        s.append(&s.imp().date_range_picker);
+        s.append(&scroller);
+
+        s
+    }
+
+    pub fn set_interval(&self, interval: DayInterval) {
+        let mut model = gio::ListStore::new::<Date>();
+        let mut days = interval.days().map(Date::new).collect::<Vec<Date>>();
+        days.reverse();
+        model.extend(days.into_iter());
+        self.imp()
+            .list_view
+            .set_model(Some(&gtk::NoSelection::new(Some(model))));
+        self.imp().date_range_picker.set_interval(interval.start, interval.end);
+    }
+}
+
+#[derive(Default)]
+pub struct DatePrivate {
+    date: RefCell<chrono::NaiveDate>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DatePrivate {
+    const NAME: &'static str = "Date";
+    type Type = Date;
+}
+
+impl ObjectImpl for DatePrivate {}
+
+glib::wrapper! {
+    pub struct Date(ObjectSubclass<DatePrivate>);
+}
+
+impl Date {
+    pub fn new(date: chrono::NaiveDate) -> Self {
+        let s: Self = Object::builder().build();
+        *s.imp().date.borrow_mut() = date;
+        s
+    }
+
+    pub fn date(&self) -> chrono::NaiveDate {
+        *self.imp().date.borrow()
+    }
+}

fitnesstrax/app/src/views/mod.rs

@@ -0,0 +1,45 @@
+/*
+Copyright 2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use gtk::prelude::*;
+
+mod day_detail_view;
+pub use day_detail_view::DayDetailView;
+
+mod historical_view;
+pub use historical_view::HistoricalView;
+
+mod placeholder_view;
+pub use placeholder_view::PlaceholderView;
+
+mod welcome_view;
+pub use welcome_view::WelcomeView;
+
+pub enum View {
+    Placeholder(PlaceholderView),
+    Welcome(WelcomeView),
+    Historical(HistoricalView),
+}
+
+impl View {
+    pub fn widget(&self) -> gtk::Widget {
+        match self {
+            View::Placeholder(widget) => widget.clone().upcast::<gtk::Widget>(),
+            View::Welcome(widget) => widget.clone().upcast::<gtk::Widget>(),
+            View::Historical(widget) => widget.clone().upcast::<gtk::Widget>(),
+        }
+    }
+}

fitnesstrax/app/src/views/placeholder_view.rs

@@ -0,0 +1,46 @@
+/*
+Copyright 2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use glib::Object;
+use gtk::subclass::prelude::*;
+
+pub struct PlaceholderViewPrivate {}
+
+#[glib::object_subclass]
+impl ObjectSubclass for PlaceholderViewPrivate {
+    const NAME: &'static str = "PlaceholderView";
+    type Type = PlaceholderView;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        Self {}
+    }
+}
+
+impl ObjectImpl for PlaceholderViewPrivate {}
+impl WidgetImpl for PlaceholderViewPrivate {}
+impl BoxImpl for PlaceholderViewPrivate {}
+
+glib::wrapper! {
+    pub struct PlaceholderView(ObjectSubclass<PlaceholderViewPrivate>) @extends gtk::Box, gtk::Widget;
+}
+
+impl Default for PlaceholderView {
+    fn default() -> Self {
+        let s: Self = Object::builder().build();
+        s
+    }
+}

fitnesstrax/app/src/views/welcome_view.rs

@@ -0,0 +1,97 @@
+/*
+Copyright 2023, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::components::FileChooserRow;
+use glib::Object;
+use gtk::{prelude::*, subclass::prelude::*};
+use std::path::PathBuf;
+
+/// This is the view to show if the application has not yet been configured. It will walk the user
+/// through the most critical setup steps so that we can move on to the other views in the app.
+pub struct WelcomeViewPrivate {}
+
+#[glib::object_subclass]
+impl ObjectSubclass for WelcomeViewPrivate {
+    const NAME: &'static str = "WelcomeView";
+    type Type = WelcomeView;
+    type ParentType = gtk::Box;
+
+    fn new() -> Self {
+        Self {}
+    }
+}
+
+impl ObjectImpl for WelcomeViewPrivate {}
+impl WidgetImpl for WelcomeViewPrivate {}
+impl BoxImpl for WelcomeViewPrivate {}
+
+glib::wrapper! {
+    pub struct WelcomeView(ObjectSubclass<WelcomeViewPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl WelcomeView {
+    pub fn new<OnSave>(on_save: OnSave) -> Self
+    where
+        OnSave: Fn(PathBuf) + 'static,
+    {
+        let s: Self = Object::builder().build();
+        s.set_orientation(gtk::Orientation::Vertical);
+        s.set_css_classes(&["welcome"]);
+
+        // Replace this with the welcome screen that we set up in the fitnesstrax/unconfigured-page
+        // branch.
+        let title = gtk::Label::builder()
+            .label("Welcome to FitnessTrax")
+            .css_classes(["welcome__title"])
+            .build();
+
+        let content = gtk::Box::builder()
+            .orientation(gtk::Orientation::Vertical)
+            .vexpand(true)
+            .build();
+
+        let save_button = gtk::Button::builder()
+            .label("Save Settings")
+            .sensitive(false)
+            .build();
+
+        // The database selection row should be a box that shows a default database path, along with a
+        // button that triggers a file chooser dialog. Once the dialog returns, the box should be
+        // updated to reflect the chosen path.
+        let db_row = FileChooserRow::new({
+            let save_button = save_button.clone();
+            move |_| save_button.set_sensitive(true)
+        });
+
+        content.append(&gtk::Label::new(Some("Welcome to FitnessTrax. The application has not yet been configured, so I will walk you through that. Let's start out by selecting your database.")));
+        content.append(&db_row);
+
+        save_button.connect_clicked({
+            let db_row = db_row.clone();
+            move |_| {
+                if let Some(path) = db_row.path() {
+                    on_save(path);
+                }
+            }
+        });
+
+        s.append(&title);
+        s.append(&content);
+        s.append(&save_button);
+
+        s
+    }
+}

fitnesstrax/core/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "ft-core"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+chrono          = { version = "0.4" }
+chrono-tz       = { version = "0.8" }
+dimensioned     = { version = "0.8", features = [ "serde" ] }
+emseries        = { path = "../../emseries" }
+serde           = { version = "1", features = [ "derive" ] }
+serde_json      = { version = "1" }
+
+[dev-dependencies]
+tempfile        = "*"
+
+

fitnesstrax/core/src/bin/legacy-importer.rs

@@ -0,0 +1,328 @@
+/*
+Copyright 2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use chrono::SecondsFormat;
+use chrono_tz::Etc::UTC;
+use dimensioned::si;
+use emseries::{Record, RecordId, Series, Timestamp};
+use ft_core::{self, DurationWorkout, DurationWorkoutActivity, SetRepActivity, TraxRecord};
+use serde::{
+    de::{self, Visitor},
+    Deserialize, Deserializer, Serialize, Serializer,
+};
+use std::{
+    fmt,
+    fs::File,
+    io::{BufRead, BufReader, Read},
+    str::FromStr,
+};
+
+/// This is a wrapper around date time objects, using timezones from the chroon-tz database and
+/// providing string representation and parsing of the form "<RFC3339> <Timezone Name>", i.e.,
+/// "2019-05-15T14:30:00Z US/Central". The to_string method, and serde serialization will
+/// produce a string of this format. The parser will accept an RFC3339-only string of the forms
+/// "2019-05-15T14:30:00Z", "2019-05-15T14:30:00+00:00", and also an "RFC3339 Timezone Name"
+/// string.
+///
+/// The function here is to generate as close to unambiguous time/date strings, (for earth's
+/// gravitational frame of reference), as possible. Clumping together the time, offset from UTC,
+/// and the named time zone allows future parsers to know the exact interpretation of the time in
+/// the frame of reference of the original recording.
+#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
+pub struct DateTimeTz(pub chrono::DateTime<chrono_tz::Tz>);
+
+impl fmt::Display for DateTimeTz {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
+        if self.0.timezone() == UTC {
+            write!(f, "{}", self.0.to_rfc3339_opts(SecondsFormat::Secs, true))
+        } else {
+            write!(
+                f,
+                "{} {}",
+                self.0
+                    .with_timezone(&chrono_tz::Etc::UTC)
+                    .to_rfc3339_opts(SecondsFormat::Secs, true,),
+                self.0.timezone().name()
+            )
+        }
+    }
+}
+
+impl DateTimeTz {
+    pub fn map<F>(&self, f: F) -> DateTimeTz
+    where
+        F: FnOnce(chrono::DateTime<chrono_tz::Tz>) -> chrono::DateTime<chrono_tz::Tz>,
+    {
+        DateTimeTz(f(self.0))
+    }
+}
+
+impl std::str::FromStr for DateTimeTz {
+    type Err = chrono::ParseError;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let v: Vec<&str> = s.split_terminator(' ').collect();
+        if v.len() == 2 {
+            let tz = v[1].parse::<chrono_tz::Tz>().unwrap();
+            chrono::DateTime::parse_from_rfc3339(v[0]).map(|ts| DateTimeTz(ts.with_timezone(&tz)))
+        } else {
+            chrono::DateTime::parse_from_rfc3339(v[0]).map(|ts| DateTimeTz(ts.with_timezone(&UTC)))
+        }
+    }
+}
+
+impl From<chrono::DateTime<chrono_tz::Tz>> for DateTimeTz {
+    fn from(dt: chrono::DateTime<chrono_tz::Tz>) -> DateTimeTz {
+        DateTimeTz(dt)
+    }
+}
+
+struct DateTimeTzVisitor;
+
+impl<'de> Visitor<'de> for DateTimeTzVisitor {
+    type Value = DateTimeTz;
+
+    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        formatter.write_str("a string date time representation that can be parsed")
+    }
+
+    fn visit_str<E: de::Error>(self, s: &str) -> Result<Self::Value, E> {
+        DateTimeTz::from_str(s).or(Err(E::custom(
+            "string is not a parsable datetime representation".to_owned(),
+        )))
+    }
+}
+
+impl Serialize for DateTimeTz {
+    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
+        serializer.serialize_str(&self.to_string())
+    }
+}
+
+impl<'de> Deserialize<'de> for DateTimeTz {
+    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
+        deserializer.deserialize_str(DateTimeTzVisitor)
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+struct Steps {
+    date: DateTimeTz,
+    steps: u32,
+}
+
+impl From<Steps> for ft_core::Steps {
+    fn from(s: Steps) -> Self {
+        Self {
+            date: s.date.0.naive_utc().date(),
+            count: s.steps,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+struct Weight {
+    date: DateTimeTz,
+    weight: f64,
+}
+
+impl From<Weight> for ft_core::Weight {
+    fn from(w: Weight) -> Self {
+        Self {
+            date: w.date.0.naive_utc().date(),
+            weight: w.weight * si::KG,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+enum TDActivity {
+    Cycling,
+    Rowing,
+    Running,
+    Swimming,
+    Walking,
+}
+
+impl From<TDActivity> for ft_core::TimeDistanceActivity {
+    fn from(activity: TDActivity) -> Self {
+        match activity {
+            TDActivity::Cycling => ft_core::TimeDistanceActivity::Biking,
+            TDActivity::Rowing => ft_core::TimeDistanceActivity::Rowing,
+            TDActivity::Running => ft_core::TimeDistanceActivity::Running,
+            TDActivity::Swimming => ft_core::TimeDistanceActivity::Swimming,
+            TDActivity::Walking => ft_core::TimeDistanceActivity::Walking,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+struct TimeDistance {
+    date: DateTimeTz,
+    activity: TDActivity,
+    comments: Option<String>,
+    distance: Option<f64>,
+    duration: Option<f64>,
+}
+
+impl From<TimeDistance> for ft_core::TimeDistance {
+    fn from(td: TimeDistance) -> Self {
+        Self {
+            datetime: td.date.0.fixed_offset(),
+            activity: td.activity.into(),
+            comments: td.comments,
+            distance: td.distance.map(|d| d * si::M),
+            duration: td.duration.map(|d| d * si::S),
+        }
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+enum SRActivity {
+    Pushups,
+    Situps,
+}
+
+impl From<SRActivity> for SetRepActivity {
+    fn from(activity: SRActivity) -> Self {
+        match activity {
+            SRActivity::Pushups => Self::Pushups,
+            SRActivity::Situps => Self::Situps,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+struct SetRep {
+    date: DateTimeTz,
+    activity: SRActivity,
+    sets: Vec<u32>,
+    comments: Option<String>,
+}
+
+impl From<SetRep> for ft_core::SetRep {
+    fn from(sr: SetRep) -> Self {
+        Self {
+            date: sr.date.0.naive_utc().date(),
+            activity: sr.activity.into(),
+            sets: sr.sets,
+            comments: sr.comments,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+enum RDActivity {
+    MartialArts,
+}
+
+impl From<RDActivity> for DurationWorkoutActivity {
+    fn from(_: RDActivity) -> Self {
+        Self::MartialArts
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+struct RepDuration {
+    date: DateTimeTz,
+    activity: RDActivity,
+    sets: Vec<f64>,
+}
+
+impl From<RepDuration> for DurationWorkout {
+    fn from(rd: RepDuration) -> Self {
+        Self {
+            datetime: rd.date.0.fixed_offset(),
+            activity: rd.activity.into(),
+            duration: rd.sets.into_iter().map(|d| d * si::S).next(),
+            comments: None,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+enum LegacyData {
+    RepDuration(RepDuration),
+    SetRep(SetRep),
+    Steps(Steps),
+    TimeDistance(TimeDistance),
+    Weight(Weight),
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+struct LegacyRecord {
+    id: RecordId,
+    data: LegacyData,
+}
+
+impl From<LegacyRecord> for Record<TraxRecord> {
+    fn from(record: LegacyRecord) -> Self {
+        match record.data {
+            LegacyData::RepDuration(rd) => Record {
+                id: record.id,
+                data: TraxRecord::DurationWorkout(rd.into()),
+            },
+            LegacyData::SetRep(sr) => Record {
+                id: record.id,
+                data: TraxRecord::SetRep(sr.into()),
+            },
+            LegacyData::Steps(s) => Record {
+                id: record.id,
+                data: TraxRecord::Steps(s.into()),
+            },
+            LegacyData::TimeDistance(td) => Record {
+                id: record.id,
+                data: TraxRecord::TimeDistance(td.into()),
+            },
+            LegacyData::Weight(weight) => Record {
+                id: record.id,
+                data: TraxRecord::Weight(weight.into()),
+            },
+        }
+    }
+}
+
+fn main() {
+    let mut args = std::env::args();
+    let _ = args.next().unwrap();
+    let input_filename = args.next().unwrap();
+    println!("input filename: {}", input_filename);
+    // let output: Series<ft_core::TraxRecord> = Series::open_file("import.fitnesstrax").unwrap();
+
+    let input_file = File::open(input_filename).unwrap();
+    let mut buf_reader = BufReader::new(input_file);
+    // let mut contents = String::new();
+    // buf_reader.read_(&mut contents).unwrap();
+
+    let mut count = 0;
+
+    loop {
+        let mut line = String::new();
+        let res = buf_reader.read_line(&mut line);
+        match res {
+            Err(err) => {
+                panic!("failed after {} lines: {:?}", count, err);
+            }
+            Ok(0) => std::process::exit(0),
+            Ok(_) => {
+                let record = serde_json::from_str::<LegacyRecord>(&line).unwrap();
+                let record: Record<TraxRecord> = record.into();
+                println!("{}", serde_json::to_string(&record).unwrap());
+                count += 1;
+            }
+        }
+    }
+}

fitnesstrax/core/src/legacy.rs

@@ -0,0 +1,26 @@
+#[cfg(test)]
+mod test {
+    #[test]
+    #[ignore]
+    fn read_a_legacy_set_rep_record() {
+        unimplemented!()
+    }
+
+    #[test]
+    #[ignore]
+    fn read_a_legacy_steps_record() {
+        unimplemented!()
+    }
+
+    #[test]
+    #[ignore]
+    fn read_a_legacy_time_distance_record() {
+        unimplemented!()
+    }
+
+    #[test]
+    #[ignore]
+    fn read_a_legacy_weight_record() {
+        unimplemented!()
+    }
+}

fitnesstrax/core/src/lib.rs

@@ -0,0 +1,8 @@
+mod legacy;
+
+mod types;
+pub use types::{
+    DurationWorkout, DurationWorkoutActivity, SetRep, SetRepActivity, Steps, TimeDistance,
+    TimeDistanceActivity, TraxRecord, Weight, DURATION_WORKOUT_ACTIVITIES, SET_REP_ACTIVITIES,
+    TIME_DISTANCE_ACTIVITIES,
+};

fitnesstrax/core/src/types.rs

@@ -0,0 +1,261 @@
+/*
+Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>
+
+This file is part of FitnessTrax.
+
+FitnessTrax is free software: you can redistribute it and/or modify it under the terms of the GNU
+General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+FitnessTrax is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use chrono::{DateTime, FixedOffset, NaiveDate};
+use dimensioned::si;
+use emseries::{Recordable, Timestamp};
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub enum SetRepActivity {
+    Pushups,
+    Situps,
+}
+
+pub const SET_REP_ACTIVITIES: [SetRepActivity; 2] =
+    [SetRepActivity::Pushups, SetRepActivity::Situps];
+
+/// SetRep represents workouts like pushups or situps, which involve doing a "set" of a number of
+/// actions, resting, and then doing another set.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct SetRep {
+    /// I assume that a set/rep workout is only done once in a day.
+    pub date: NaiveDate,
+    /// The activity involved
+    pub activity: SetRepActivity,
+    /// Each set entry represents the number of times that the action was performed in a set. So, a
+    /// pushup workout that involved five sets would have five entries. Each entry would be x
+    /// number of pushups. A viable workout would be something like [6, 6, 4, 4, 5].
+    pub sets: Vec<u32>,
+    pub comments: Option<String>,
+}
+
+impl Recordable for SetRep {
+    fn timestamp(&self) -> Timestamp {
+        Timestamp::Date(self.date)
+    }
+
+    fn tags(&self) -> Vec<String> {
+        vec![]
+    }
+}
+
+/// The number of steps one takes in a single day.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Steps {
+    pub date: NaiveDate,
+    pub count: u32,
+}
+
+impl Recordable for Steps {
+    fn timestamp(&self) -> Timestamp {
+        Timestamp::Date(self.date)
+    }
+
+    fn tags(&self) -> Vec<String> {
+        vec![]
+    }
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Serialize, Deserialize)]
+pub enum TimeDistanceActivity {
+    Biking,
+    Running,
+    Rowing,
+    Swimming,
+    Walking,
+}
+
+pub const TIME_DISTANCE_ACTIVITIES: [TimeDistanceActivity; 5] = [
+    TimeDistanceActivity::Biking,
+    TimeDistanceActivity::Rowing,
+    TimeDistanceActivity::Running,
+    TimeDistanceActivity::Swimming,
+    TimeDistanceActivity::Walking,
+];
+
+/// TimeDistance represents workouts characterized by a duration and a distance travelled. These
+/// sorts of workouts can occur many times a day, depending on how one records things. I might
+/// record a single 30-km workout if I go on a long-distanec ride. Or I might record multiple 5km
+/// workouts if I am out running errands. Distance and Duration are both optional because different
+/// people have different priorities and may choose to measure different things.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct TimeDistance {
+    /// The precise time (and the relevant timezone) of the workout. One of the edge cases that I
+    /// account for is that a ride which occurred at 11pm on one day in one timezone would then
+    /// count as 1am on the next day if the user moves two timezones to the east. While technically
+    /// correct, for most users this would throw off many years of metrics in ways that can be very
+    /// hard to understand. Keeping the fixed offset means that we can have the most precise time
+    /// in the database, but we can still get a Naive Date from the DateTime, which will still read
+    /// as the original day.
+    pub datetime: DateTime<FixedOffset>,
+    /// The activity
+    pub activity: TimeDistanceActivity,
+    /// The distance travelled. This is optional because such a workout makes sense even without
+    /// the distance.
+    pub distance: Option<si::Meter<f64>>,
+    /// The duration of the workout, which is also optional. Some people may keep track of the
+    /// amount of distance travelled without tracking the duration.
+    pub duration: Option<si::Second<f64>>,
+    pub comments: Option<String>,
+}
+
+impl Recordable for TimeDistance {
+    fn timestamp(&self) -> Timestamp {
+        Timestamp::DateTime(self.datetime)
+    }
+
+    fn tags(&self) -> Vec<String> {
+        vec![]
+    }
+}
+
+/// A singular daily weight measurement. Weight changes slowly enough that it seems unlikely to
+/// need to track more than a single weight in a day.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Weight {
+    pub date: NaiveDate,
+    pub weight: si::Kilogram<f64>,
+}
+
+impl Recordable for Weight {
+    fn timestamp(&self) -> Timestamp {
+        Timestamp::Date(self.date)
+    }
+
+    fn tags(&self) -> Vec<String> {
+        vec![]
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub enum DurationWorkoutActivity {
+    MartialArts,
+    Yoga,
+}
+
+pub const DURATION_WORKOUT_ACTIVITIES: [DurationWorkoutActivity; 2] = [
+    DurationWorkoutActivity::MartialArts,
+    DurationWorkoutActivity::Yoga,
+];
+
+/// Generic workouts for which only duration really matters. This is for things
+/// such as Martial Arts or Yoga, which are activities done for an amount of
+/// time, but with no other details.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct DurationWorkout {
+    pub datetime: DateTime<FixedOffset>,
+    pub activity: DurationWorkoutActivity,
+    pub duration: Option<si::Second<f64>>,
+    pub comments: Option<String>,
+}
+
+impl Recordable for DurationWorkout {
+    fn timestamp(&self) -> Timestamp {
+        Timestamp::DateTime(self.datetime)
+    }
+
+    fn tags(&self) -> Vec<String> {
+        vec![]
+    }
+}
+
+/// The unified data structure for all records that are part of the app.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub enum TraxRecord {
+    DurationWorkout(DurationWorkout),
+    SetRep(SetRep),
+    Steps(Steps),
+    TimeDistance(TimeDistance),
+    Weight(Weight),
+}
+
+impl TraxRecord {
+    pub fn is_weight(&self) -> bool {
+        matches!(self, TraxRecord::Weight(_))
+    }
+
+    pub fn is_steps(&self) -> bool {
+        matches!(self, TraxRecord::Steps(_))
+    }
+
+    pub fn is_time_distance(&self) -> bool {
+        matches!(
+            self,
+            TraxRecord::TimeDistance(TimeDistance {
+                activity: TimeDistanceActivity::Biking,
+                ..
+            }) | TraxRecord::TimeDistance(TimeDistance {
+                activity: TimeDistanceActivity::Running,
+                ..
+            }) | TraxRecord::TimeDistance(TimeDistance {
+                activity: TimeDistanceActivity::Rowing,
+                ..
+            }) | TraxRecord::TimeDistance(TimeDistance {
+                activity: TimeDistanceActivity::Swimming,
+                ..
+            }) | TraxRecord::TimeDistance(TimeDistance {
+                activity: TimeDistanceActivity::Walking,
+                ..
+            })
+        )
+    }
+}
+
+impl Recordable for TraxRecord {
+    fn timestamp(&self) -> Timestamp {
+        match self {
+            TraxRecord::TimeDistance(rec) => Timestamp::DateTime(rec.datetime),
+            TraxRecord::SetRep(rec) => rec.timestamp(),
+            TraxRecord::Steps(rec) => rec.timestamp(),
+            TraxRecord::Weight(rec) => rec.timestamp(),
+            TraxRecord::DurationWorkout(rec) => rec.timestamp(),
+        }
+    }
+
+    fn tags(&self) -> Vec<String> {
+        vec![]
+    }
+}
+
+impl From<TimeDistance> for TraxRecord {
+    fn from(td: TimeDistance) -> Self {
+        Self::TimeDistance(td)
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use emseries::Series;
+
+    #[test]
+    fn can_record_records() {
+        let file = tempfile::NamedTempFile::new().expect("a temporary file");
+        let path = file.into_temp_path();
+        let mut series: Series<TraxRecord> = Series::open(&path).unwrap();
+
+        let record = TraxRecord::Steps(Steps {
+            date: NaiveDate::from_ymd_opt(2023, 1, 1).unwrap(),
+            count: 1000,
+        });
+
+        let id = series.put(record.clone()).unwrap();
+
+        let record_ = series.get(&id).unwrap();
+        assert_eq!(record_.data, record);
+    }
+}

flake.lock

@@ -1,37 +1,6 @@
 {
   "nodes": {
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1650374568,
-        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
     "flake-utils": {
-      "locked": {
-        "lastModified": 1653893745,
-        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
       "inputs": {
         "systems": "systems"
       },
@@ -51,36 +20,20 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1691421349,
+        "lastModified": 1704732714,
-        "narHash": "sha256-RRJyX0CUrs4uW4gMhd/X4rcDG8PTgaaCQM5rXEJOx6g=",
+        "narHash": "sha256-ABqK/HggMYA/jMUXgYyqVAcQ8QjeMyr1jcXfTpSHmps=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "011567f35433879aae5024fc6ec53f2a0568a6c4",
+        "rev": "6723fa4e4f1a30d42a633bef5eb01caeb281adc3",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-23.05",
+        "ref": "nixos-23.11",
         "type": "indirect"
       }
     },
     "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1654275867,
-        "narHash": "sha256-pt14ZE4jVPGvfB2NynGsl34pgXfOqum5YJNpDK4+b9E=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "7a20c208aacf4964c19186dcad51f89165dc7ed0",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "release-22.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
       "locked": {
         "lastModified": 1681303793,
         "narHash": "sha256-JEdQHsYuCfRL2PICHlOiH/2ue3DwoxUX7DJ6zZxZXFk=",
@@ -95,60 +48,13 @@
         "type": "indirect"
       }
     },
-    "pkgs-cargo2nix": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_2",
-        "rust-overlay": "rust-overlay"
-      },
-      "locked": {
-        "lastModified": 1682891040,
-        "narHash": "sha256-hjajsi7lq24uYitUh4o04UJi1g0Qe6ruPL0s5DgPQMY=",
-        "owner": "cargo2nix",
-        "repo": "cargo2nix",
-        "rev": "0167b39f198d72acdf009265634504fd6f5ace15",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cargo2nix",
-        "repo": "cargo2nix",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "nixpkgs": "nixpkgs",
-        "pkgs-cargo2nix": "pkgs-cargo2nix",
         "typeshare": "typeshare",
         "unstable": "unstable"
       }
     },
-    "rust-overlay": {
-      "inputs": {
-        "flake-utils": [
-          "pkgs-cargo2nix",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "pkgs-cargo2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1653878966,
-        "narHash": "sha256-T51Gck/vrJZi1m+uTbhEFTRgZmE59sydVONadADv358=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "8526d618af012a923ca116be9603e818b502a8db",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,
@@ -166,15 +72,15 @@
     },
     "typeshare": {
       "inputs": {
-        "flake-utils": "flake-utils_2",
+        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_3"
+        "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1690502632,
+        "lastModified": 1698205128,
-        "narHash": "sha256-+k81RrxfphDUD5kekWbQ4xuZIHBEAQf67uivaQ34Afs=",
+        "narHash": "sha256-jP+81TkldLtda8bzmsBWahETGsyFkoDOCT244YkA+S4=",
         "owner": "1Password",
         "repo": "typeshare",
-        "rev": "9f74772af53759aee2f53e64478523e53083719e",
+        "rev": "c3ee2ad8f27774c45db7af4f2ba746c4ae11de21",
         "type": "github"
       },
       "original": {
@@ -185,11 +91,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1690367991,
+        "lastModified": 1704722960,
-        "narHash": "sha256-2VwOn1l8y6+cu7zjNE8MgeGJNNz1eat1HwHrINeogFA=",
+        "narHash": "sha256-mKGJ3sPsT6//s+Knglai5YflJUF2DGj7Ai6Ynopz0kI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c9cf0708f00fbe553319258e48ca89ff9a413703",
+        "rev": "317484b1ead87b9c1b8ac5261a8d2dd748a0492d",
         "type": "github"
       },
       "original": {

flake.nix

@@ -2,13 +2,12 @@
   description = "Lumenescent Dreams Tools";
 
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-23.05";
+    nixpkgs.url = "nixpkgs/nixos-23.11";
     unstable.url = "nixpkgs/nixos-unstable";
-    pkgs-cargo2nix.url = "github:cargo2nix/cargo2nix";
     typeshare.url = "github:1Password/typeshare";
   };
 
-  outputs = { self, nixpkgs, unstable, pkgs-cargo2nix, typeshare, ... }:
+  outputs = { self, nixpkgs, unstable, typeshare, ... }:
     let 
       version = builtins.string 0 8 self.lastModifiedDate;
       supportedSystems = [ "x86_64-linux" ];
@@ -18,7 +17,6 @@
         let
           pkgs = import nixpkgs { system = "x86_64-linux"; };
           pkgs-unstable = import unstable { system = "x86_64-linux"; };
-          cargo2nix = pkgs-cargo2nix.packages."x86_64-linux";
         in
         pkgs.mkShell {
           name = "ld-tools-devshell";
@@ -26,8 +24,6 @@
             pkgs.cargo-nextest
             pkgs.clang
             pkgs.crate2nix
-            pkgs.entr
-            pkgs.glade
             pkgs.glib
             pkgs.gst_all_1.gst-plugins-bad
             pkgs.gst_all_1.gst-plugins-base
@@ -36,18 +32,72 @@
             pkgs.gst_all_1.gstreamer
             pkgs.gtk4
             pkgs.libadwaita
+            pkgs.librsvg
             pkgs.nodejs
             pkgs.openssl
             pkgs.pipewire
             pkgs.pkg-config
             pkgs.rustup
             pkgs.sqlite
+            pkgs.cargo-nextest
+            pkgs.wasm-pack
             pkgs.sqlx-cli
             pkgs.udev
             pkgs.wasm-pack
             typeshare.packages."x86_64-linux".default
           ];
           LIBCLANG_PATH="${pkgs.llvmPackages.libclang.lib}/lib";
+          ENV = "dev";
+        };
+
+      packages."x86_64-linux" =
+        let
+          pkgs = import nixpkgs { system = "x86_64-linux"; };
+
+          gtkNativeInputs = [
+            pkgs.pkg-config
+            pkgs.gtk4
+            pkgs.libadwaita
+            pkgs.wrapGAppsHook4
+          ];
+
+          cargoOverrides = pkgs: pkgs.buildRustCrate.override {
+            defaultCrateOverrides = pkgs.defaultCrateOverrides // {
+              gobject-sys = attrs: { nativeBuildInputs = gtkNativeInputs; };
+              gio-sys = attrs: { nativeBuildInputs = gtkNativeInputs; };
+              gdk-pixbuf-sys = attrs: { nativeBuildInputs = gtkNativeInputs; };
+              libadwaita-sys = attrs: { nativeBuildInputs = gtkNativeInputs; };
+
+              dashboard = attrs: { nativeBuildInputs = gtkNativeInputs; };
+              fitnesstrax = import ./fitnesstrax/app/override.nix { gtkNativeInputs = gtkNativeInputs; };
+              otg-gtk = import ./otg/gtk/override.nix { gtkNativeInputs = gtkNativeInputs; };
+            };
+          };
+
+          cargo_nix = pkgs.callPackage ./Cargo.nix {
+            nixpkgs = nixpkgs;
+            buildRustCrateForPkgs = cargoOverrides;
+          };
+
+        in rec {
+          cyberpunk-splash = cargo_nix.workspaceMembers.cyberpunk-splash.build;
+          dashboard = cargo_nix.workspaceMembers.dashboard.build;
+          file-service = cargo_nix.workspaceMembers.file-service.build;
+          fitnesstrax = cargo_nix.workspaceMembers.fitnesstrax.build;
+          otg-gtk = cargo_nix.workspaceMembers.otg-gtk.build;
+
+          all = pkgs.symlinkJoin {
+            name = "all";
+            paths = [
+                cyberpunk-splash
+                dashboard
+                file-service
+                fitnesstrax
+                otg-gtk
+            ];
+          };
+
+          default = all;
         };
     };
 }

icon-test/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "icon-test"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+adw             = { version = "0.5", package = "libadwaita", features = [ "v1_4" ] }
+gio             = { version = "0.18" }
+glib            = { version = "0.18" }
+gtk             = { version = "0.7", package = "gtk4", features = [ "v4_10" ] }

icon-test/src/main.rs

@@ -0,0 +1,38 @@
+use adw::prelude::*;
+
+fn main() {
+    let adw_app = adw::Application::builder().build();
+
+    adw_app.connect_activate(move |adw_app| {
+        let window = gtk::ApplicationWindow::builder()
+            .application(adw_app)
+            .width_request(400)
+            .height_request(400)
+            .build();
+
+        let sunrise_button = gtk::Button::builder()
+            .icon_name("daytime-sunrise-symbolic")
+            .width_request(64)
+            .height_request(64)
+            .build();
+
+        let walking_button = gtk::Button::builder()
+            .icon_name("walking2-symbolic")
+            .width_request(64)
+            .height_request(64)
+            .build();
+
+        let layout = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .valign(gtk::Align::Start)
+            .build();
+        layout.append(&sunrise_button);
+        layout.append(&walking_button);
+
+        window.set_child(Some(&layout));
+        window.present();
+    });
+
+    let args: Vec<String> = std::env::args().collect();
+    ApplicationExtManual::run_with_args(&adw_app, &args);
+}

kifu/core-types/Makefile

@@ -1,6 +0,0 @@
-
-SOURCES = $(shell find ../core -name "*.rs")
-dist/index.ts: $(SOURCES)
-	mkdir -p dist
-	typeshare ../core --lang=typescript --output-file=dist/index.ts
-

kifu/core-types/package.json

@@ -1,13 +0,0 @@
-{
-  "name": "core-types",
-  "version": "0.0.1",
-  "description": "",
-  "types": "dist/index.ts",
-  "main": "dist/index.ts",
-  "scripts": {
-    "build": "make",
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "author": "Savanni D'Gerinel <savanni@luminescent-dreams.com>",
-  "license": "GPL-3.0-or-later"
-}

kifu/core/Cargo.lock

@@ -1,591 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
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-
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- "libc",
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-
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-version = "3.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b1ce199063694f33ffb7dd4e0ee620741495c32833cde5aa08f02a0bf96f0c8"
-
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-name = "cc"
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-
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- "num-traits",
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- "proc-macro2",
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kifu/core/src/api.rs

@@ -1,153 +0,0 @@
-use crate::{
-    types::{AppState, Config, ConfigOption, DatabasePath, GameState, Player, Rank},
-    ui::{configuration, home, playing_field, ConfigurationView, HomeView, PlayingFieldView},
-};
-use serde::{Deserialize, Serialize};
-use std::{
-    path::PathBuf,
-    sync::{Arc, RwLock},
-};
-use typeshare::typeshare;
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
-#[typeshare]
-#[serde(tag = "type", content = "content")]
-pub enum CoreRequest {
-    ChangeSetting(ChangeSettingRequest),
-    CreateGame(CreateGameRequest),
-    Home,
-    OpenConfiguration,
-    PlayingField,
-    PlayStone(PlayStoneRequest),
-    StartGame,
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
-#[typeshare]
-#[serde(tag = "type", content = "content")]
-pub enum ChangeSettingRequest {
-    LibraryPath(String),
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
-#[typeshare]
-pub struct PlayStoneRequest {
-    pub column: u8,
-    pub row: u8,
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
-#[typeshare]
-pub struct CreateGameRequest {
-    pub black_player: PlayerInfoRequest,
-    pub white_player: PlayerInfoRequest,
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
-#[typeshare]
-pub enum PlayerInfoRequest {
-    Hotseat(HotseatPlayerRequest),
-}
-
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
-#[typeshare]
-pub struct HotseatPlayerRequest {
-    pub name: String,
-    pub rank: Option<String>,
-}
-
-impl From<HotseatPlayerRequest> for Player {
-    fn from(p: HotseatPlayerRequest) -> Self {
-        Self {
-            name: p.name,
-            rank: p.rank.and_then(|r| Rank::try_from(r.as_ref()).ok()),
-        }
-    }
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-#[typeshare]
-#[serde(tag = "type", content = "content")]
-pub enum CoreResponse {
-    ConfigurationView(ConfigurationView),
-    HomeView(HomeView),
-    PlayingFieldView(PlayingFieldView),
-    UpdatedConfigurationView(ConfigurationView),
-}
-
-#[derive(Clone, Debug)]
-pub struct CoreApp {
-    config: Arc<RwLock<Config>>,
-    state: Arc<RwLock<AppState>>,
-}
-
-impl CoreApp {
-    pub fn new(config_path: std::path::PathBuf) -> Self {
-        let config = Config::from_path(config_path).expect("configuration to open");
-
-        let db_path: DatabasePath = config.get().unwrap();
-        let state = Arc::new(RwLock::new(AppState::new(db_path)));
-
-        Self {
-            config: Arc::new(RwLock::new(config)),
-            state,
-        }
-    }
-
-    pub async fn dispatch(&self, request: CoreRequest) -> CoreResponse {
-        match request {
-            CoreRequest::ChangeSetting(request) => match request {
-                ChangeSettingRequest::LibraryPath(path) => {
-                    let mut config = self.config.write().unwrap();
-                    config.set(ConfigOption::DatabasePath(DatabasePath(PathBuf::from(
-                        path,
-                    ))));
-                    CoreResponse::UpdatedConfigurationView(configuration(&config))
-                }
-            },
-            CoreRequest::CreateGame(create_request) => {
-                let mut app_state = self.state.write().unwrap();
-                let white_player = {
-                    match create_request.white_player {
-                        PlayerInfoRequest::Hotseat(request) => Player::from(request),
-                    }
-                };
-                let black_player = {
-                    match create_request.black_player {
-                        PlayerInfoRequest::Hotseat(request) => Player::from(request),
-                    }
-                };
-                app_state.game = Some(GameState {
-                    white_player,
-                    black_player,
-                    ..GameState::default()
-                });
-                let game_state = app_state.game.as_ref().unwrap();
-                CoreResponse::PlayingFieldView(playing_field(game_state))
-            }
-            CoreRequest::Home => {
-                CoreResponse::HomeView(home(self.state.read().unwrap().database.all_games()))
-            }
-            CoreRequest::OpenConfiguration => {
-                CoreResponse::ConfigurationView(configuration(&self.config.read().unwrap()))
-            }
-            CoreRequest::PlayingField => {
-                let app_state = self.state.read().unwrap();
-                let game = app_state.game.as_ref().unwrap();
-                CoreResponse::PlayingFieldView(playing_field(game))
-            }
-            CoreRequest::PlayStone(request) => {
-                let mut app_state = self.state.write().unwrap();
-                app_state.place_stone(request);
-
-                let game = app_state.game.as_ref().unwrap();
-                CoreResponse::PlayingFieldView(playing_field(game))
-            }
-            CoreRequest::StartGame => {
-                unimplemented!()
-            }
-        }
-    }
-
-    pub async fn run(&self) {}
-}

kifu/core/src/lib.rs

@@ -1,17 +0,0 @@
-extern crate config_derive;
-
-mod api;
-pub use api::{
-    ChangeSettingRequest, CoreApp, CoreRequest, CoreResponse, CreateGameRequest,
-    HotseatPlayerRequest, PlayerInfoRequest,
-};
-
-mod board;
-pub use board::*;
-
-mod database;
-
-mod types;
-pub use types::{BoardError, Color, Rank, Size};
-
-pub mod ui;

kifu/core/src/types.rs

@@ -1,238 +0,0 @@
-use crate::{
-    api::PlayStoneRequest,
-    board::{Board, Coordinate},
-    database::Database,
-};
-use config::define_config;
-use config_derive::ConfigOption;
-use serde::{Deserialize, Serialize};
-use std::{path::PathBuf, time::Duration};
-use thiserror::Error;
-use typeshare::typeshare;
-
-define_config! {
-    DatabasePath(DatabasePath),
-    Me(Me),
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, ConfigOption)]
-pub struct DatabasePath(pub PathBuf);
-
-impl std::ops::Deref for DatabasePath {
-    type Target = PathBuf;
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, ConfigOption)]
-pub struct Me(Player);
-
-impl std::ops::Deref for Me {
-    type Target = Player;
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-#[derive(Debug, PartialEq, Error)]
-pub enum BoardError {
-    #[error("Position is invalid")]
-    InvalidPosition,
-    #[error("Self-capture is forbidden")]
-    SelfCapture,
-    #[error("Ko")]
-    Ko,
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Hash, Eq, Serialize, Deserialize)]
-#[typeshare]
-pub enum Color {
-    Black,
-    White,
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
-#[typeshare]
-pub struct Size {
-    pub width: u8,
-    pub height: u8,
-}
-
-impl Default for Size {
-    fn default() -> Self {
-        Self {
-            width: 19,
-            height: 19,
-        }
-    }
-}
-
-#[derive(Debug)]
-pub struct AppState {
-    pub game: Option<GameState>,
-    pub database: Database,
-}
-
-impl AppState {
-    pub fn new(database_path: DatabasePath) -> Self {
-        Self {
-            game: Some(GameState::default()),
-            database: Database::open_path(database_path.to_path_buf()).unwrap(),
-        }
-    }
-
-    pub fn place_stone(&mut self, req: PlayStoneRequest) {
-        if let Some(ref mut game) = self.game {
-            let _ = game.place_stone(Coordinate {
-                column: req.column,
-                row: req.row,
-            });
-        }
-    }
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
-#[typeshare]
-pub enum Rank {
-    Kyu(u8),
-    Dan(u8),
-    Pro(u8),
-}
-
-impl TryFrom<&str> for Rank {
-    type Error = String;
-
-    fn try_from(_: &str) -> Result<Rank, Self::Error> {
-        Ok(Rank::Kyu(15))
-    }
-}
-
-impl From<Rank> for String {
-    fn from(r: Rank) -> String {
-        match r {
-            Rank::Kyu(v) => format!("{} kyu", v),
-            Rank::Dan(v) => format!("{} dan", v),
-            Rank::Pro(v) => format!("{} pro", v),
-        }
-    }
-}
-
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
-pub struct Player {
-    pub name: String,
-    pub rank: Option<Rank>,
-}
-
-#[derive(Debug)]
-pub struct GameState {
-    pub board: Board,
-    pub past_positions: Vec<Board>,
-
-    pub conversation: Vec<String>,
-    pub current_player: Color,
-
-    pub white_player: Player,
-    pub black_player: Player,
-
-    pub white_clock: Duration,
-    pub black_clock: Duration,
-}
-
-impl Default for GameState {
-    fn default() -> Self {
-        Self {
-            board: Board::new(),
-            past_positions: vec![],
-            conversation: vec![],
-            current_player: Color::Black,
-            white_player: Player {
-                name: "".to_owned(),
-                rank: None,
-            },
-            black_player: Player {
-                name: "".to_owned(),
-                rank: None,
-            },
-            white_clock: Duration::from_secs(600),
-            black_clock: Duration::from_secs(600),
-        }
-    }
-}
-
-impl GameState {
-    fn place_stone(&mut self, coordinate: Coordinate) -> Result<(), BoardError> {
-        let board = self.board.clone();
-        let new_board = board.place_stone(coordinate, self.current_player)?;
-
-        if self.past_positions.contains(&new_board) {
-            return Err(BoardError::Ko);
-        }
-
-        self.past_positions.push(self.board.clone());
-        self.board = new_board;
-        match self.current_player {
-            Color::White => self.current_player = Color::Black,
-            Color::Black => self.current_player = Color::White,
-        };
-        Ok(())
-    }
-}
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn current_player_changes_after_move() {
-        let mut state = GameState::default();
-        assert_eq!(state.current_player, Color::Black);
-        state.place_stone(Coordinate { column: 9, row: 9 }).unwrap();
-        assert_eq!(state.current_player, Color::White);
-    }
-
-    #[test]
-    fn current_player_remains_the_same_after_self_capture() {
-        let mut state = GameState::default();
-        state.board = Board::from_coordinates(
-            vec![
-                (Coordinate { column: 17, row: 0 }, Color::White),
-                (Coordinate { column: 17, row: 1 }, Color::White),
-                (Coordinate { column: 18, row: 1 }, Color::White),
-            ]
-            .into_iter(),
-        )
-        .unwrap();
-        state.current_player = Color::Black;
-
-        assert_eq!(
-            state.place_stone(Coordinate { column: 18, row: 0 }),
-            Err(BoardError::SelfCapture)
-        );
-        assert_eq!(state.current_player, Color::Black);
-    }
-
-    #[test]
-    fn ko_rules_are_enforced() {
-        let mut state = GameState::default();
-        state.board = Board::from_coordinates(
-            vec![
-                (Coordinate { column: 7, row: 9 }, Color::White),
-                (Coordinate { column: 8, row: 8 }, Color::White),
-                (Coordinate { column: 8, row: 10 }, Color::White),
-                (Coordinate { column: 9, row: 9 }, Color::White),
-                (Coordinate { column: 10, row: 9 }, Color::Black),
-                (Coordinate { column: 9, row: 8 }, Color::Black),
-                (Coordinate { column: 9, row: 10 }, Color::Black),
-            ]
-            .into_iter(),
-        )
-        .unwrap();
-
-        state.place_stone(Coordinate { column: 8, row: 9 }).unwrap();
-        assert_eq!(
-            state.place_stone(Coordinate { column: 9, row: 9 }),
-            Err(BoardError::Ko)
-        );
-    }
-}

kifu/core/src/ui/configuration.rs

@@ -1,24 +0,0 @@
-use crate::{
-    types::{Config, DatabasePath},
-    ui::Field,
-};
-use serde::{Deserialize, Serialize};
-use typeshare::typeshare;
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-#[typeshare]
-pub struct ConfigurationView {
-    pub library: Field<()>,
-}
-
-pub fn configuration(config: &Config) -> ConfigurationView {
-    let path: Option<DatabasePath> = config.get();
-    ConfigurationView {
-        library: Field {
-            id: "library-path-field".to_owned(),
-            label: "Library".to_owned(),
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kifu/design/analysis.html

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kifu/ffi/wasm/Cargo.toml

@@ -1,19 +0,0 @@
-[package]
-name = "kifu-wasm"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[lib]
-crate-type = ["cdylib"]
-
-[dependencies]
-kifu-core               = { path = "../../core" }
-serde                   = { version = "1.0", features = ["derive"] }
-serde-wasm-bindgen      = "0.5.0"
-wasm-bindgen            = "0.2"
-wasm-bindgen-futures    = "*"
-
-[package.metadata.wasm-pack.profile.release]
-wasm-opt = false

kifu/ffi/wasm/Makefile

@@ -1,3 +0,0 @@
-
-all:
-	wasm-pack build --target web

kifu/ffi/wasm/src/lib.rs

@@ -1,26 +0,0 @@
-use kifu_core::{CoreRequest, CoreResponse};
-use wasm_bindgen::prelude::*;
-
-#[wasm_bindgen]
-extern "C" {
-    #[wasm_bindgen(js_namespace = console)]
-    pub fn log(s: &str);
-}
-
-#[wasm_bindgen]
-#[derive(Debug)]
-pub struct CoreApp(kifu_core::CoreApp);
-
-#[wasm_bindgen]
-impl CoreApp {
-    #[wasm_bindgen(constructor)]
-    pub fn new() -> Self {
-        Self(kifu_core::CoreApp::new())
-    }
-
-    #[wasm_bindgen]
-    pub async fn dispatch(&self, param: &JsValue) -> JsValue {
-        let request: CoreRequest = serde_wasm_bindgen::from_value(param.clone()).unwrap();
-        serde_wasm_bindgen::to_value(&self.0.dispatch(request).await).unwrap()
-    }
-}

kifu/gtk/build.rs

@@ -1,7 +0,0 @@
-fn main() {
-    glib_build_tools::compile_resources(
-        &["resources"],
-        "resources/gresources.xml",
-        "com.luminescent-dreams.kifu-gtk.gresource",
-    );
-}

kifu/gtk/resources/style.css

@@ -1,3 +0,0 @@
-.content {
-    padding: 8px;
-}

kifu/gtk/src/lib.rs

@@ -1,32 +0,0 @@
-pub mod ui;
-use kifu_core::{CoreApp, CoreRequest, CoreResponse};
-use std::sync::Arc;
-use tokio::runtime::Runtime;
-
-#[derive(Clone)]
-pub struct CoreApi {
-    pub gtk_tx: gtk::glib::Sender<CoreResponse>,
-    pub rt: Arc<Runtime>,
-    pub core: CoreApp,
-}
-
-impl CoreApi {
-    pub fn dispatch(&self, request: CoreRequest) {
-        self.rt.spawn({
-            let gtk_tx = self.gtk_tx.clone();
-            let core = self.core.clone();
-            async move { gtk_tx.send(core.dispatch(request).await) }
-        });
-    }
-}
-
-pub fn perftrace<F, A>(trace_name: &str, f: F) -> A
-where
-    F: FnOnce() -> A,
-{
-    let start = std::time::Instant::now();
-    let result = f();
-    let end = std::time::Instant::now();
-    println!("[Trace: {}] {:?}", trace_name, end - start);
-    result
-}

kifu/gtk/src/main.rs

@@ -1,127 +0,0 @@
-use adw::prelude::*;
-use kifu_core::{CoreApp, CoreRequest, CoreResponse};
-use kifu_gtk::{
-    perftrace,
-    ui::{AppWindow, ConfigurationPage, Home, PlayingField},
-    CoreApi,
-};
-use std::sync::{Arc, RwLock};
-
-fn handle_response(api: CoreApi, app_window: &AppWindow, message: CoreResponse) {
-    let playing_field = Arc::new(RwLock::new(None));
-    match message {
-        CoreResponse::ConfigurationView(view) => perftrace("ConfigurationView", || {
-            let config_page = ConfigurationPage::new(api, view);
-
-            let window = adw::PreferencesWindow::new();
-            window.add(&config_page);
-            window.set_visible_page(&config_page);
-            window.present();
-        }),
-        CoreResponse::HomeView(view) => perftrace("HomeView", || {
-            let api = api.clone();
-
-            let home = Home::new(api, view);
-            app_window.set_content(&home);
-        }),
-        CoreResponse::PlayingFieldView(view) => perftrace("PlayingFieldView", || {
-            let api = api.clone();
-
-            let mut playing_field = playing_field.write().unwrap();
-            if playing_field.is_none() {
-                perftrace("creating a new playing field", || {
-                    let field = PlayingField::new(api, view);
-                    app_window.set_content(&field);
-                    *playing_field = Some(field);
-                })
-            } else if let Some(field) = playing_field.as_ref() {
-                field.update_view(view)
-            }
-        }),
-        CoreResponse::UpdatedConfigurationView(view) => perftrace("UpdatedConfiguration", || {
-            println!("updated configuration: {:?}", view);
-        }),
-    }
-}
-
-fn main() {
-    gio::resources_register_include!("com.luminescent-dreams.kifu-gtk.gresource")
-        .expect("Failed to register resources");
-
-    let runtime = Arc::new(
-        tokio::runtime::Builder::new_multi_thread()
-            .enable_all()
-            .build()
-            .unwrap(),
-    );
-
-    let config_path = std::env::var("CONFIG")
-        .map(std::path::PathBuf::from)
-        .or({
-            std::env::var("HOME").map(|base| {
-                let mut config_path = std::path::PathBuf::from(base);
-                config_path.push(".config");
-                config_path.push("kifu");
-                config_path
-            })
-        })
-        .expect("no config path could be found");
-
-    let core = CoreApp::new(config_path);
-
-    let core_handle = runtime.spawn({
-        let core = core.clone();
-        async move {
-            core.run().await;
-        }
-    });
-
-    let app = adw::Application::builder()
-        .application_id("com.luminescent-dreams.kifu-gtk")
-        .resource_base_path("/com/luminescent-dreams/kifu-gtk")
-        .build();
-
-    app.connect_activate({
-        let runtime = runtime.clone();
-        move |app| {
-            let (gtk_tx, gtk_rx) =
-                gtk::glib::MainContext::channel::<CoreResponse>(gtk::glib::Priority::DEFAULT);
-
-            let app_window = AppWindow::new(app);
-
-            let api = CoreApi {
-                gtk_tx,
-                rt: runtime.clone(),
-                core: core.clone(),
-            };
-
-            let action_config = gio::SimpleAction::new("show-config", None);
-            action_config.connect_activate({
-                let api = api.clone();
-                move |_, _| {
-                    api.dispatch(CoreRequest::OpenConfiguration);
-                }
-            });
-            app.add_action(&action_config);
-
-            app_window.window.present();
-
-            gtk_rx.attach(None, {
-                let api = api.clone();
-                move |message| {
-                    perftrace("handle_response", || {
-                        handle_response(api.clone(), &app_window, message)
-                    });
-                    glib::ControlFlow::Continue
-                }
-            });
-
-            api.dispatch(CoreRequest::Home);
-        }
-    });
-
-    println!("running the gtk loop");
-    app.run();
-
-    let _ = runtime.block_on(core_handle);
-}

kifu/gtk/src/ui/mod.rs

@@ -1,100 +0,0 @@
-use adw::prelude::*;
-use gio::resources_lookup_data;
-use glib::IsA;
-use gtk::STYLE_PROVIDER_PRIORITY_USER;
-
-mod chat;
-pub use chat::Chat;
-
-mod config;
-pub use config::ConfigurationPage;
-
-mod game_preview;
-pub use game_preview::GamePreview;
-
-mod library;
-pub use library::Library;
-
-mod player_card;
-pub use player_card::PlayerCard;
-
-mod playing_field;
-pub use playing_field::PlayingField;
-
-mod home;
-pub use home::Home;
-
-mod board;
-pub use board::Board;
-
-#[cfg(feature = "screenplay")]
-pub use playing_field::playing_field_view;
-
-pub struct AppWindow {
-    pub window: adw::ApplicationWindow,
-    pub header: adw::HeaderBar,
-    pub content: adw::Bin,
-}
-
-impl AppWindow {
-    pub fn new(app: &adw::Application) -> Self {
-        let window = adw::ApplicationWindow::builder()
-            .application(app)
-            .width_request(800)
-            .height_request(500)
-            .build();
-
-        let stylesheet = String::from_utf8(
-            resources_lookup_data(
-                "/com/luminescent-dreams/kifu-gtk/style.css",
-                gio::ResourceLookupFlags::NONE,
-            )
-            .expect("stylesheet should just be available")
-            .to_vec(),
-        )
-        .expect("to parse stylesheet");
-
-        let provider = gtk::CssProvider::new();
-        provider.load_from_data(&stylesheet);
-        let context = window.style_context();
-        context.add_provider(&provider, STYLE_PROVIDER_PRIORITY_USER);
-
-        let header = adw::HeaderBar::builder()
-            .title_widget(&gtk::Label::new(Some("Kifu")))
-            .build();
-
-        let app_menu = gio::Menu::new();
-        let menu_item = gio::MenuItem::new(Some("Configuration"), Some("app.show-config"));
-        app_menu.append_item(&menu_item);
-
-        let hamburger = gtk::MenuButton::builder()
-            .icon_name("open-menu-symbolic")
-            .build();
-        hamburger.set_menu_model(Some(&app_menu));
-
-        header.pack_end(&hamburger);
-
-        let content = adw::Bin::builder().css_classes(vec!["content"]).build();
-        content.set_child(Some(
-            &adw::StatusPage::builder().title("Nothing here").build(),
-        ));
-
-        let layout = gtk::Box::builder()
-            .orientation(gtk::Orientation::Vertical)
-            .build();
-        layout.append(&header);
-        layout.append(&content);
-
-        window.set_content(Some(&layout));
-
-        Self {
-            window,
-            header,
-            content,
-        }
-    }
-
-    pub fn set_content(&self, content: &impl IsA<gtk::Widget>) {
-        self.content.set_child(Some(content));
-    }
-}