Resolve warnings in memorycache and dashboard

dashboard/src/app_window.rs

@@ -40,16 +40,16 @@ impl ApplicationWindow {
             .vexpand(true)
             .build();
 
-        let date_label = Date::new();
+        let date_label = Date::default();
         layout.append(&date_label);
 
-        let events = Events::new();
+        let events = Events::default();
         layout.append(&events);
 
-        let transit_card = TransitCard::new();
+        let transit_card = TransitCard::default();
         layout.append(&transit_card);
 
-        let transit_clock = TransitClock::new();
+        let transit_clock = TransitClock::default();
         layout.append(&transit_clock);
 
         window.set_content(Some(&layout));

dashboard/src/components/date.rs

@@ -35,8 +35,8 @@ glib::wrapper! {
     pub struct Date(ObjectSubclass<DatePrivate>) @extends gtk::Box, gtk::Widget;
 }
 
-impl Date {
+impl Default for Date {
-    pub fn new() -> Self {
+    fn default() -> Self {
         let s: Self = Object::builder().build();
         s.set_margin_bottom(8);
         s.set_margin_top(8);
@@ -48,7 +48,9 @@ impl Date {
         s.redraw();
         s
     }
+}
 
+impl Date {
     pub fn update_date(&self, date: IFC) {
         *self.imp().date.borrow_mut() = date;
         self.redraw();

dashboard/src/components/events.rs

@@ -1,13 +1,12 @@
 use crate::{
     components::Date,
     solstices::{self, YearlyEvents},
-    soluna_client::SunMoon,
 };
-use chrono::TimeZone;
 use glib::Object;
-use gtk::{prelude::*, subclass::prelude::*, IconLookupFlags};
+use gtk::{prelude::*, subclass::prelude::*};
 use ifc::IFC;
 
+/*
 #[derive(PartialEq)]
 pub enum UpcomingEvent {
     SpringEquinox,
@@ -15,25 +14,15 @@ pub enum UpcomingEvent {
     AutumnEquinox,
     WinterSolstice,
 }
+*/
 
+#[derive(Default)]
 pub struct EventsPrivate {
     spring_equinox: Date,
     summer_solstice: Date,
     autumn_equinox: Date,
     winter_solstice: Date,
-    next: UpcomingEvent,
+    // next: UpcomingEvent,
-}
-
-impl Default for EventsPrivate {
-    fn default() -> Self {
-        Self {
-            spring_equinox: Date::new(),
-            summer_solstice: Date::new(),
-            autumn_equinox: Date::new(),
-            winter_solstice: Date::new(),
-            next: UpcomingEvent::SpringEquinox,
-        }
-    }
 }
 
 #[glib::object_subclass]
@@ -51,8 +40,8 @@ glib::wrapper! {
     pub struct Events(ObjectSubclass<EventsPrivate>) @extends gtk::Widget, gtk::Box, @implements gtk::Orientable;
 }
 
-impl Events {
+impl Default for Events {
-    pub fn new() -> Self {
+    fn default() -> Self {
         let s: Self = Object::builder().build();
         s.set_orientation(gtk::Orientation::Horizontal);
         s.set_spacing(8);
@@ -64,7 +53,9 @@ impl Events {
 
         s
     }
+}
 
+impl Events {
     pub fn set_events(&self, events: YearlyEvents, next_event: solstices::Event) {
         self.imp()
             .spring_equinox

dashboard/src/components/label.rs

@@ -1,6 +1,5 @@
-use crate::soluna_client::SunMoon;
 use glib::Object;
-use gtk::{prelude::*, subclass::prelude::*, IconLookupFlags};
+use gtk::{prelude::*, subclass::prelude::*};
 
 #[derive(Default)]
 pub struct LabelPrivate {

dashboard/src/components/transit_card.rs

@@ -1,6 +1,6 @@
 use crate::{components::Label, soluna_client::SunMoon};
 use glib::Object;
-use gtk::{prelude::*, subclass::prelude::*, IconLookupFlags};
+use gtk::{prelude::*, subclass::prelude::*};
 
 pub struct TransitCardPrivate {
     sunrise: Label,
@@ -35,8 +35,8 @@ glib::wrapper! {
     pub struct TransitCard(ObjectSubclass<TransitCardPrivate>) @extends gtk::Grid, gtk::Widget;
 }
 
-impl TransitCard {
+impl Default for TransitCard {
-    pub fn new() -> Self {
+    fn default() -> Self {
         let s: Self = Object::builder().build();
         s.add_css_class("card");
         s.set_column_homogeneous(true);
@@ -48,7 +48,9 @@ impl TransitCard {
 
         s
     }
+}
 
+impl TransitCard {
     pub fn update_transit(&self, transit_info: &SunMoon) {
         self.imp()
             .sunrise

dashboard/src/components/transit_clock.rs

@@ -7,18 +7,11 @@ use glib::Object;
 use gtk::{prelude::*, subclass::prelude::*};
 use std::{cell::RefCell, f64::consts::PI, rc::Rc};
 
+#[derive(Default)]
 pub struct TransitClockPrivate {
     info: Rc<RefCell<Option<SunMoon>>>,
 }
 
-impl Default for TransitClockPrivate {
-    fn default() -> Self {
-        Self {
-            info: Rc::new(RefCell::new(None)),
-        }
-    }
-}
-
 #[glib::object_subclass]
 impl ObjectSubclass for TransitClockPrivate {
     const NAME: &'static str = "TransitClock";
@@ -34,8 +27,8 @@ glib::wrapper! {
     pub struct TransitClock(ObjectSubclass<TransitClockPrivate>) @extends gtk::DrawingArea, gtk::Widget;
 }
 
-impl TransitClock {
+impl Default for TransitClock {
-    pub fn new() -> Self {
+    fn default() -> Self {
         let s: Self = Object::builder().build();
         s.set_width_request(500);
         s.set_height_request(500);
@@ -100,7 +93,9 @@ impl TransitClock {
 
         s
     }
+}
 
+impl TransitClock {
     pub fn update_transit(&self, transit_info: SunMoon) {
         *self.imp().info.borrow_mut() = Some(transit_info);
         self.queue_draw();

dashboard/src/main.rs

@@ -90,7 +90,7 @@ pub fn main() {
         tx: Arc::new(RwLock::new(None)),
     };
 
-    let _ = runtime.spawn({
+    runtime.spawn({
         let core = core.clone();
         async move {
             let soluna_client = SolunaClient::new();

dashboard/src/solstices.rs

@@ -1,11 +1,10 @@
-use chrono;
 use chrono::prelude::*;
 use lazy_static::lazy_static;
 use serde_derive::{Deserialize, Serialize};
 use std::collections::HashMap;
 
 // http://astropixels.com/ephemeris/soleq2001.html
-const SOLSTICE_TEXT: &'static str = "
+const SOLSTICE_TEXT: &str = "
  2001      Mar 20  13:31     Jun 21  07:38     Sep 22  23:05     Dec 21  19:22
  2002      Mar 20  19:16     Jun 21  13:25     Sep 23  04:56     Dec 22  01:15
  2003      Mar 21  01:00     Jun 21  19:11     Sep 23  10:47     Dec 22  07:04
@@ -91,12 +90,14 @@ impl Event {
 }
 
 fn parse_time<'a>(
-    jaro: &str,
+    year: &str,
     iter: impl Iterator<Item = &'a str>,
 ) -> chrono::DateTime<chrono::Utc> {
-    let partoj = iter.collect::<Vec<&str>>();
+    let parts = iter.collect::<Vec<&str>>();
-    let p = format!("{} {} {} {}", jaro, partoj[0], partoj[1], partoj[2]);
+    let p = format!("{} {} {} {}", year, parts[0], parts[1], parts[2]);
-    chrono::Utc.datetime_from_str(&p, "%Y %b %d %H:%M").unwrap()
+    NaiveDateTime::parse_from_str(&p, "%Y %b %d %H:%M")
+        .unwrap()
+        .and_utc()
 }
 
 fn parse_line(year: &str, rest: &[&str]) -> YearlyEvents {
@@ -118,7 +119,7 @@ fn parse_events() -> Vec<Option<YearlyEvents>> {
         .lines()
         .map(|line| {
             match line
-                .split(" ")
+                .split(' ')
                 .filter(|elem| !elem.is_empty())
                 .collect::<Vec<&str>>()
                 .as_slice()
@@ -134,7 +135,7 @@ pub struct Solstices(HashMap<i32, YearlyEvents>);
 
 impl Solstices {
     pub fn yearly_events(&self, year: i32) -> Option<YearlyEvents> {
-        self.0.get(&year).map(|c| c.clone())
+        self.0.get(&year).copied()
     }
 
     pub fn next_event(&self, date: chrono::DateTime<chrono::Utc>) -> Option<Event> {
@@ -142,17 +143,17 @@ impl Solstices {
         match year_events {
             Some(year_events) => {
                 if date <= year_events.spring_equinox {
-                    Some(Event::SpringEquinox(year_events.spring_equinox.clone()))
+                    Some(Event::SpringEquinox(year_events.spring_equinox))
                 } else if date <= year_events.summer_solstice {
-                    Some(Event::SummerSolstice(year_events.summer_solstice.clone()))
+                    Some(Event::SummerSolstice(year_events.summer_solstice))
                 } else if date <= year_events.autumn_equinox {
-                    Some(Event::AutumnEquinox(year_events.autumn_equinox.clone()))
+                    Some(Event::AutumnEquinox(year_events.autumn_equinox))
                 } else if date <= year_events.winter_solstice {
-                    Some(Event::WinterSolstice(year_events.winter_solstice.clone()))
+                    Some(Event::WinterSolstice(year_events.winter_solstice))
                 } else {
                     self.0
                         .get(&(date.year() + 1))
-                        .map(|_| Event::SpringEquinox(year_events.spring_equinox.clone()))
+                        .map(|_| Event::SpringEquinox(year_events.spring_equinox))
                 }
             }
             None => None,
@@ -165,7 +166,7 @@ impl From<Vec<Option<YearlyEvents>>> for Solstices {
         Solstices(event_list.iter().fold(HashMap::new(), |mut m, record| {
             match record {
                 Some(record) => {
-                    m.insert(record.year, record.clone());
+                    m.insert(record.year, *record);
                 }
                 None => (),
             }
@@ -177,3 +178,24 @@ impl From<Vec<Option<YearlyEvents>>> for Solstices {
 lazy_static! {
     pub static ref EVENTS: Solstices = Solstices::from(parse_events());
 }
+
+#[cfg(test)]
+mod test {
+    use chrono::{NaiveDate, NaiveDateTime};
+
+    #[test]
+    fn it_can_parse_a_solstice_time() {
+        let p = "2001 Mar 20 13:31".to_owned();
+        let parsed_date = NaiveDateTime::parse_from_str(&p, "%Y %b %d %H:%M")
+            .unwrap()
+            .and_utc();
+        assert_eq!(
+            parsed_date,
+            NaiveDate::from_ymd_opt(2001, 03, 20)
+                .unwrap()
+                .and_hms_opt(13, 31, 0)
+                .unwrap()
+                .and_utc()
+        );
+    }
+}

dashboard/src/soluna_client.rs

@@ -4,7 +4,6 @@
 use chrono::{DateTime, Duration, Local, NaiveTime, Offset, TimeZone, Timelike, Utc};
 use geo_types::{Latitude, Longitude};
 use memorycache::MemoryCache;
-use reqwest;
 use serde::Deserialize;
 
 const ENDPOINT: &str = "https://api.solunar.org/solunar";
@@ -26,8 +25,8 @@ impl SunMoon {
 
         let sunrise = parse_time(val.sunrise).unwrap();
         let sunset = parse_time(val.sunset).unwrap();
-        let moonrise = val.moonrise.and_then(|v| parse_time(v));
+        let moonrise = val.moonrise.and_then(parse_time);
-        let moonset = val.moonset.and_then(|v| parse_time(v));
+        let moonset = val.moonset.and_then(parse_time);
 
         Self {
             sunrise,
@@ -82,7 +81,7 @@ impl SolunaClient {
     pub fn new() -> Self {
         Self {
             client: reqwest::Client::new(),
-            memory_cache: MemoryCache::new(),
+            memory_cache: MemoryCache::default(),
         }
     }
 
@@ -110,7 +109,7 @@ impl SolunaClient {
                     .get(reqwest::header::EXPIRES)
                     .and_then(|header| header.to_str().ok())
                     .and_then(|expiration| DateTime::parse_from_rfc2822(expiration).ok())
-                    .map(|dt_local| DateTime::<Utc>::from(dt_local))
+                    .map(DateTime::<Utc>::from)
                     .unwrap_or(
                         Local::now()
                             .with_hour(0)

memorycache/src/lib.rs

@@ -13,11 +13,13 @@ pub struct MemoryCacheRecord<T> {
 
 pub struct MemoryCache<T>(Arc<RwLock<HashMap<String, MemoryCacheRecord<T>>>>);
 
-impl<T: Clone> MemoryCache<T> {
+impl<T: Clone> Default for MemoryCache<T> {
-    pub fn new() -> MemoryCache<T> {
+    fn default() -> Self {
-        MemoryCache(Arc::new(RwLock::new(HashMap::new())))
+        Self(Arc::new(RwLock::new(HashMap::new())))
+    }
 }
 
+impl<T: Clone> MemoryCache<T> {
     pub async fn find(&self, key: &str, f: impl Future<Output = (DateTime<Utc>, T)>) -> T {
         let val = {
             let cache = self.0.read().unwrap();
@@ -53,7 +55,7 @@ mod tests {
 
     #[tokio::test]
     async fn it_runs_the_requestor_when_the_value_does_not_exist() {
-        let cache = MemoryCache::new();
+        let cache = MemoryCache::default();
         let value = cache
             .find("my_key", async { (Utc::now(), Value(15)) })
             .await;
@@ -63,7 +65,7 @@ mod tests {
     #[tokio::test]
     async fn it_runs_the_requestor_when_the_value_is_old() {
         let run = Arc::new(RwLock::new(false));
-        let cache = MemoryCache::new();
+        let cache = MemoryCache::default();
         let _ = cache
             .find("my_key", async {
                 (Utc::now() - Duration::seconds(10), Value(15))
@@ -82,7 +84,7 @@ mod tests {
     #[tokio::test]
     async fn it_returns_the_cached_value_when_the_value_is_new() {
         let run = Arc::new(RwLock::new(false));
-        let cache = MemoryCache::new();
+        let cache = MemoryCache::default();
         let _ = cache
             .find("my_key", async {
                 (Utc::now() + Duration::seconds(10), Value(15))