Implement the timestamp function

.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

Cargo.lock

@@ -25,14 +25,15 @@ checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "ahash"
-version = "0.8.3"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
+checksum = "91429305e9f0a25f6205c5b8e0d2db09e0708a7a6df0f42212bb56c32c8ac97a"
 dependencies = [
  "cfg-if",
  "getrandom",
  "once_cell",
  "version_check 0.9.4",
+ "zerocopy",
 ]
 
 [[package]]
@@ -134,6 +135,21 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "authdb"
+version = "0.1.0"
+dependencies = [
+ "base64ct",
+ "clap",
+ "cool_asserts",
+ "serde 1.0.188",
+ "sha2",
+ "sqlx",
+ "thiserror",
+ "tokio",
+ "uuid 0.4.0",
+]
+
 [[package]]
 name = "autocfg"
 version = "0.1.8"
@@ -562,9 +578,9 @@ dependencies = [
 
 [[package]]
 name = "crc-catalog"
-version = "2.2.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cace84e55f07e7301bae1c519df89cdad8cc3cd868413d3fdbdeca9ff3db484"
+checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
 
 [[package]]
 name = "crc32fast"
@@ -740,6 +756,18 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "dimensioned"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0b0a86c5d31c93238ff4b694fa31f3acdf67440770dc314c57d90e433914397"
+dependencies = [
+ "generic-array 0.14.7",
+ "num-traits",
+ "serde 1.0.188",
+ "typenum",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.4"
@@ -791,7 +819,7 @@ version = "0.6.0"
 dependencies = [
  "chrono",
  "chrono-tz",
- "dimensioned",
+ "dimensioned 0.7.0",
  "serde 1.0.188",
  "serde_derive",
  "serde_json",
@@ -911,6 +939,7 @@ dependencies = [
 name = "file-service"
 version = "0.2.0"
 dependencies = [
+ "authdb",
  "base64ct",
  "build_html",
  "bytes",
@@ -920,7 +949,7 @@ dependencies = [
  "cool_asserts",
  "futures-util",
  "hex-string",
- "http",
+ "http 0.2.9",
  "image 0.23.14",
  "log 0.4.20",
  "logger",
@@ -930,7 +959,6 @@ dependencies = [
  "serde 1.0.188",
  "serde_json",
  "sha2",
- "sqlx",
  "tempdir",
  "thiserror",
  "tokio",
@@ -944,6 +972,18 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8fcfdc7a0362c9f4444381a9e697c79d435fe65b52a37466fc2c1184cee9edc6"
 
+[[package]]
+name = "fitnesstrax"
+version = "0.1.0"
+dependencies = [
+ "gio",
+ "glib",
+ "glib-build-tools 0.18.0",
+ "gtk4",
+ "libadwaita",
+ "tokio",
+]
+
 [[package]]
 name = "flate2"
 version = "1.0.27"
@@ -1088,6 +1128,18 @@ dependencies = [
  "syn 2.0.37",
 ]
 
+[[package]]
+name = "ft-core"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "chrono-tz",
+ "dimensioned 0.8.0",
+ "emseries",
+ "serde 1.0.188",
+ "tempfile",
+]
+
 [[package]]
 name = "fuchsia-cprng"
 version = "0.1.1"
@@ -1581,7 +1633,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "futures-util",
- "http",
+ "http 0.2.9",
  "indexmap 1.9.3",
  "slab",
  "tokio",
@@ -1632,7 +1684,7 @@ dependencies = [
  "base64 0.21.4",
  "bytes",
  "headers-core",
- "http",
+ "http 0.2.9",
  "httpdate",
  "mime 0.3.17",
  "sha1",
@@ -1644,7 +1696,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7f66481bfee273957b1f20485a4ff3362987f85b2c236580d81b4eb7a326429"
 dependencies = [
- "http",
+ "http 0.2.9",
 ]
 
 [[package]]
@@ -1725,6 +1777,17 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b32afd38673a8016f7c9ae69e5af41a58f81b1d31689040f2f1959594ce194ea"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
 [[package]]
 name = "http-body"
 version = "0.4.5"
@@ -1732,7 +1795,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
 dependencies = [
  "bytes",
- "http",
+ "http 0.2.9",
  "pin-project-lite",
 ]
 
@@ -1784,7 +1847,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http",
+ "http 0.2.9",
  "http-body",
  "httparse",
  "httpdate",
@@ -2321,7 +2384,7 @@ dependencies = [
  "bytes",
  "encoding_rs",
  "futures-util",
- "http",
+ "http 0.2.9",
  "httparse",
  "log 0.4.20",
  "memchr",
@@ -3188,7 +3251,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http",
+ "http 0.2.9",
  "http-body",
  "hyper 0.14.27",
  "hyper-tls",
@@ -3293,16 +3356,14 @@ dependencies = [
 
 [[package]]
 name = "rsa"
-version = "0.9.2"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ab43bb47d23c1a631b4b680199a45255dce26fa9ab2fa902581f624ff13e6a8"
+checksum = "86ef35bf3e7fe15a53c4ab08a998e42271eab13eb0db224126bc7bc4c4bad96d"
 dependencies = [
- "byteorder",
  "const-oid",
  "digest",
  "num-bigint-dig",
  "num-integer",
- "num-iter",
  "num-traits",
  "pkcs1",
  "pkcs8",
@@ -3577,9 +3638,9 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e1788eed21689f9cf370582dfc467ef36ed9c707f073528ddafa8d83e3b8500"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
  "digest",
  "rand_core 0.6.4",
@@ -3993,18 +4054,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.49"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1177e8c6d7ede7afde3585fd2513e611227efd6481bd78d2e82ba1ce16557ed4"
+checksum = "f9a7210f5c9a7156bb50aa36aed4c95afb51df0df00713949448cf9e97d382d2"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.49"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10712f02019e9288794769fba95cd6847df9874d49d871d062172f9dd41bc4cc"
+checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4239,9 +4300,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.26"
+version = "0.1.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
+checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4282,7 +4343,7 @@ dependencies = [
  "byteorder",
  "bytes",
  "data-encoding",
- "http",
+ "http 0.2.9",
  "httparse",
  "log 0.4.20",
  "rand 0.8.5",
@@ -4527,6 +4588,18 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "visions"
+version = "0.1.0"
+dependencies = [
+ "authdb",
+ "http 1.0.0",
+ "serde 1.0.188",
+ "serde_json",
+ "tokio",
+ "warp",
+]
+
 [[package]]
 name = "void"
 version = "1.0.2"
@@ -4570,7 +4643,7 @@ dependencies = [
  "futures-channel",
  "futures-util",
  "headers",
- "http",
+ "http 0.2.9",
  "hyper 0.14.27",
  "log 0.4.20",
  "mime 0.3.17",
@@ -4817,10 +4890,30 @@ dependencies = [
 ]
 
 [[package]]
-name = "zeroize"
+name = "zerocopy"
-version = "1.6.0"
+version = "0.7.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
+checksum = "e97e415490559a91254a2979b4829267a57d2fcd741a98eee8b722fb57289aa0"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd7e48ccf166952882ca8bd778a43502c64f33bf94c12ebe2a7f08e5a0f6689f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.37",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
 
 [[package]]
 name = "zune-inflate"

Cargo.toml

@@ -1,6 +1,7 @@
 [workspace]
 resolver = "2"
 members = [
+    "authdb",
     "changeset",
     "config",
     "config-derive",
@@ -9,6 +10,8 @@ members = [
     "dashboard",
     "emseries",
     "file-service",
+    "fitnesstrax/core",
+    "fitnesstrax/app",
     "fluent-ergonomics",
     "geo-types",
     "gm-control-panel",
@@ -23,4 +26,5 @@ members = [
     "screenplay",
     "sgf",
     "tree",
+    "visions/server",
 ]

authdb/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "authdb"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+name = "authdb"
+path = "src/lib.rs"
+
+[[bin]]
+name = "auth-cli"
+path = "src/bin/cli.rs"
+
+[dependencies]
+base64ct  = { version = "1", features = [ "alloc" ] }
+clap      = { version = "4", features = [ "derive" ] }
+serde     = { version = "1.0", features = ["derive"] }
+sha2      = { version = "0.10" }
+sqlx      = { version = "0.7", features = [ "runtime-tokio", "sqlite" ] }
+thiserror = { version = "1" }
+tokio     = { version = "1", features = [ "full" ] }
+uuid      = { version = "0.4", features = [ "serde", "v4" ] }
+
+[dev-dependencies]
+cool_asserts = "*"

authdb/src/bin/cli.rs

@@ -1,5 +1,5 @@
+use authdb::{AuthDB, Username};
 use clap::{Parser, Subcommand};
-use file_service::{AuthDB, Username};
 use std::path::PathBuf;
 
 #[derive(Subcommand, Debug)]

authdb/src/lib.rs

@@ -0,0 +1,302 @@
+use base64ct::{Base64, Encoding};
+use serde::{Deserialize, Serialize};
+use sha2::{Digest, Sha256};
+use sqlx::{
+    sqlite::{SqlitePool, SqliteRow},
+    Row,
+};
+use std::ops::Deref;
+use std::path::PathBuf;
+use thiserror::Error;
+use uuid::Uuid;
+
+#[derive(Debug, Error)]
+pub enum AuthError {
+    #[error("authentication token is duplicated")]
+    DuplicateAuthToken,
+
+    #[error("session token is duplicated")]
+    DuplicateSessionToken,
+
+    #[error("database failed")]
+    SqlError(sqlx::Error),
+}
+
+impl From<sqlx::Error> for AuthError {
+    fn from(err: sqlx::Error) -> AuthError {
+        AuthError::SqlError(err)
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, Hash, PartialEq, Eq)]
+pub struct Username(String);
+
+impl From<String> for Username {
+    fn from(s: String) -> Self {
+        Self(s)
+    }
+}
+
+impl From<&str> for Username {
+    fn from(s: &str) -> Self {
+        Self(s.to_owned())
+    }
+}
+
+impl From<Username> for String {
+    fn from(s: Username) -> Self {
+        Self::from(&s)
+    }
+}
+
+impl From<&Username> for String {
+    fn from(s: &Username) -> Self {
+        let Username(s) = s;
+        Self::from(s)
+    }
+}
+
+impl Deref for Username {
+    type Target = String;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl sqlx::FromRow<'_, SqliteRow> for Username {
+    fn from_row(row: &SqliteRow) -> sqlx::Result<Self> {
+        let name: String = row.try_get("username")?;
+        Ok(Username::from(name))
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, Hash, PartialEq, Eq)]
+pub struct AuthToken(String);
+
+impl From<String> for AuthToken {
+    fn from(s: String) -> Self {
+        Self(s)
+    }
+}
+
+impl From<&str> for AuthToken {
+    fn from(s: &str) -> Self {
+        Self(s.to_owned())
+    }
+}
+
+impl From<AuthToken> for PathBuf {
+    fn from(s: AuthToken) -> Self {
+        Self::from(&s)
+    }
+}
+
+impl From<&AuthToken> for PathBuf {
+    fn from(s: &AuthToken) -> Self {
+        let AuthToken(s) = s;
+        Self::from(s)
+    }
+}
+
+impl Deref for AuthToken {
+    type Target = String;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, Hash, PartialEq, Eq)]
+pub struct SessionToken(String);
+
+impl From<String> for SessionToken {
+    fn from(s: String) -> Self {
+        Self(s)
+    }
+}
+
+impl From<&str> for SessionToken {
+    fn from(s: &str) -> Self {
+        Self(s.to_owned())
+    }
+}
+
+impl From<SessionToken> for PathBuf {
+    fn from(s: SessionToken) -> Self {
+        Self::from(&s)
+    }
+}
+
+impl From<&SessionToken> for PathBuf {
+    fn from(s: &SessionToken) -> Self {
+        let SessionToken(s) = s;
+        Self::from(s)
+    }
+}
+
+impl Deref for SessionToken {
+    type Target = String;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+#[derive(Clone)]
+pub struct AuthDB {
+    pool: SqlitePool,
+}
+
+impl AuthDB {
+    pub async fn new(path: PathBuf) -> Result<Self, sqlx::Error> {
+        let migrator = sqlx::migrate!("./migrations");
+        let pool = SqlitePool::connect(&format!("sqlite://{}", path.to_str().unwrap())).await?;
+        migrator.run(&pool).await?;
+        Ok(Self { pool })
+    }
+
+    pub async fn add_user(&self, username: Username) -> Result<AuthToken, AuthError> {
+        let mut hasher = Sha256::new();
+        hasher.update(Uuid::new_v4().hyphenated().to_string());
+        hasher.update(username.to_string());
+        let auth_token = Base64::encode_string(&hasher.finalize());
+
+        let _ = sqlx::query("INSERT INTO users (username, token) VALUES ($1, $2)")
+            .bind(username.to_string())
+            .bind(auth_token.clone())
+            .execute(&self.pool)
+            .await?;
+
+        Ok(AuthToken::from(auth_token))
+    }
+
+    pub async fn list_users(&self) -> Result<Vec<Username>, AuthError> {
+        let usernames = sqlx::query_as::<_, Username>("SELECT (username) FROM users")
+            .fetch_all(&self.pool)
+            .await?;
+
+        Ok(usernames)
+    }
+
+    pub async fn authenticate(&self, token: AuthToken) -> Result<Option<SessionToken>, AuthError> {
+        let results = sqlx::query("SELECT * FROM users WHERE token = $1")
+            .bind(token.to_string())
+            .fetch_all(&self.pool)
+            .await?;
+
+        if results.len() > 1 {
+            return Err(AuthError::DuplicateAuthToken);
+        }
+
+        if results.is_empty() {
+            return Ok(None);
+        }
+
+        let user_id: i64 = results[0].try_get("id")?;
+
+        let mut hasher = Sha256::new();
+        hasher.update(Uuid::new_v4().hyphenated().to_string());
+        hasher.update(token.to_string());
+        let session_token = Base64::encode_string(&hasher.finalize());
+
+        let _ = sqlx::query("INSERT INTO sessions (token, user_id) VALUES ($1, $2)")
+            .bind(session_token.clone())
+            .bind(user_id)
+            .execute(&self.pool)
+            .await?;
+
+        Ok(Some(SessionToken::from(session_token)))
+    }
+
+    pub async fn validate_session(
+        &self,
+        token: SessionToken,
+    ) -> Result<Option<Username>, AuthError> {
+        let rows = sqlx::query(
+            "SELECT users.username FROM sessions INNER JOIN users ON sessions.user_id = users.id WHERE sessions.token = $1",
+        )
+        .bind(token.to_string())
+        .fetch_all(&self.pool)
+        .await?;
+        if rows.len() > 1 {
+            return Err(AuthError::DuplicateSessionToken);
+        }
+
+        if rows.is_empty() {
+            return Ok(None);
+        }
+
+        let username: String = rows[0].try_get("username")?;
+        Ok(Some(Username::from(username)))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use cool_asserts::assert_matches;
+    use std::collections::HashSet;
+
+    #[tokio::test]
+    async fn can_create_and_list_users() {
+        let db = AuthDB::new(PathBuf::from(":memory:"))
+            .await
+            .expect("a memory-only database will be created");
+        let _ = db
+            .add_user(Username::from("savanni"))
+            .await
+            .expect("user to be created");
+        assert_matches!(db.list_users().await, Ok(names) => {
+            let names = names.into_iter().collect::<HashSet<Username>>();
+            assert!(names.contains(&Username::from("savanni")));
+        })
+    }
+
+    #[tokio::test]
+    async fn unknown_auth_token_returns_nothing() {
+        let db = AuthDB::new(PathBuf::from(":memory:"))
+            .await
+            .expect("a memory-only database will be created");
+        let _ = db
+            .add_user(Username::from("savanni"))
+            .await
+            .expect("user to be created");
+
+        let token = AuthToken::from("0000000000");
+
+        assert_matches!(db.authenticate(token).await, Ok(None));
+    }
+
+    #[tokio::test]
+    async fn auth_token_becomes_session_token() {
+        let db = AuthDB::new(PathBuf::from(":memory:"))
+            .await
+            .expect("a memory-only database will be created");
+        let token = db
+            .add_user(Username::from("savanni"))
+            .await
+            .expect("user to be created");
+
+        assert_matches!(db.authenticate(token).await, Ok(_));
+    }
+
+    #[tokio::test]
+    async fn can_validate_session_token() {
+        let db = AuthDB::new(PathBuf::from(":memory:"))
+            .await
+            .expect("a memory-only database will be created");
+        let token = db
+            .add_user(Username::from("savanni"))
+            .await
+            .expect("user to be created");
+        let session = db
+            .authenticate(token)
+            .await
+            .expect("token authentication should succeed")
+            .expect("session token should be found");
+
+        assert_matches!(
+        db.validate_session(session).await,
+        Ok(Some(username)) => {
+            assert_eq!(username, Username::from("savanni"));
+        });
+    }
+}

build.sh

@@ -11,6 +11,7 @@ RUST_ALL_TARGETS=(
     "dashboard"
     "emseries"
     "file-service"
+    "fitnesstrax"
     "fluent-ergonomics"
     "geo-types"
     "gm-control-panel"

emseries/src/series.rs

@@ -42,7 +42,7 @@ 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)

emseries/tests/test_io.rs

@@ -99,8 +99,8 @@ mod test {
     {
         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);
     }
 
@@ -136,8 +136,8 @@ 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");
@@ -157,8 +157,8 @@ 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");
@@ -186,8 +186,8 @@ 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");
@@ -195,8 +195,8 @@ 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(
                     time_range(
                         DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()).into(),
@@ -220,8 +220,8 @@ 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");
@@ -229,8 +229,8 @@ 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(
                     time_range(
                         DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()).into(),
@@ -248,8 +248,8 @@ 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(
                     time_range(
                         DateTimeTz(UTC.with_ymd_and_hms(2011, 10, 31, 0, 0, 0).unwrap()).into(),
@@ -273,8 +273,8 @@ 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");
@@ -310,8 +310,8 @@ 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");
@@ -327,8 +327,8 @@ 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 trips: Vec<(&UniqueId, &BikeTrip)> = ts.records().collect();
                 assert_eq!(trips.len(), 3);
@@ -356,8 +356,8 @@ 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");
                 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");
@@ -368,8 +368,8 @@ 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 recs: Vec<(&UniqueId, &BikeTrip)> = ts.records().collect();
                 assert_eq!(recs.len(), 2);
             }

file-service/Cargo.toml

@@ -14,13 +14,10 @@ path = "src/lib.rs"
 name = "file-service"
 path = "src/main.rs"
 
-[[bin]]
-name = "auth-cli"
-path = "src/bin/cli.rs"
-
 [target.auth-cli.dependencies]
 
 [dependencies]
+authdb              = { path = "../authdb/" }
 base64ct            = { version = "1", features = [ "alloc" ] }
 build_html          = { version = "2" }
 bytes               = { version = "1" }
@@ -38,9 +35,8 @@ mime_guess          = "2.0.3"
 pretty_env_logger   = { version = "0.5" }
 serde_json          = "*"
 serde               = { version = "1.0", features = ["derive"] }
-sha2                = "0.10"
+sha2                = { version = "0.10" }
-sqlx                = { version = "0.7", features = [ "runtime-tokio", "sqlite" ] }
+thiserror           = { version = "1" }
-thiserror           = "1.0.20"
 tokio               = { version = "1", features = [ "full" ] }
 uuid                = { version = "0.4", features = [ "serde", "v4" ] }
 warp                = { version = "0.3" }

file-service/src/lib.rs

@@ -1,6 +1,5 @@
 mod store;
 
 pub use store::{
-    AuthDB, AuthError, AuthToken, DeleteFileError, FileHandle, FileId, FileInfo, ReadFileError,
+    DeleteFileError, FileHandle, FileId, FileInfo, ReadFileError, Store, WriteFileError,
-    SessionToken, Store, Username, WriteFileError,
 };

file-service/src/main.rs

@@ -18,9 +18,10 @@ mod pages;
 
 const MAX_UPLOAD: u64 = 15 * 1024 * 1024;
 
-pub use file_service::{
+use authdb::{AuthDB, AuthError, AuthToken, SessionToken, Username};
-    AuthDB, AuthError, AuthToken, DeleteFileError, FileHandle, FileId, FileInfo, ReadFileError,
+
-    SessionToken, Store, Username, WriteFileError,
+use file_service::{
+    DeleteFileError, FileHandle, FileId, FileInfo, ReadFileError, Store, WriteFileError,
 };
 pub use handlers::handle_index;
 

file-service/src/store/mod.rs

@@ -1,13 +1,6 @@
-use base64ct::{Base64, Encoding};
 use serde::{Deserialize, Serialize};
-use sha2::{Digest, Sha256};
-use sqlx::{
-    sqlite::{SqlitePool, SqliteRow},
-    Row,
-};
 use std::{collections::HashSet, ops::Deref, path::PathBuf};
 use thiserror::Error;
-use uuid::Uuid;
 
 mod filehandle;
 mod fileinfo;
@@ -90,136 +83,6 @@ impl From<ReadFileError> for DeleteFileError {
     }
 }
 
-#[derive(Debug, Error)]
-pub enum AuthError {
-    #[error("authentication token is duplicated")]
-    DuplicateAuthToken,
-
-    #[error("session token is duplicated")]
-    DuplicateSessionToken,
-
-    #[error("database failed")]
-    SqlError(sqlx::Error),
-}
-
-impl From<sqlx::Error> for AuthError {
-    fn from(err: sqlx::Error) -> AuthError {
-        AuthError::SqlError(err)
-    }
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize, Hash, PartialEq, Eq)]
-pub struct Username(String);
-
-impl From<String> for Username {
-    fn from(s: String) -> Self {
-        Self(s)
-    }
-}
-
-impl From<&str> for Username {
-    fn from(s: &str) -> Self {
-        Self(s.to_owned())
-    }
-}
-
-impl From<Username> for String {
-    fn from(s: Username) -> Self {
-        Self::from(&s)
-    }
-}
-
-impl From<&Username> for String {
-    fn from(s: &Username) -> Self {
-        let Username(s) = s;
-        Self::from(s)
-    }
-}
-
-impl Deref for Username {
-    type Target = String;
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-impl sqlx::FromRow<'_, SqliteRow> for Username {
-    fn from_row(row: &SqliteRow) -> sqlx::Result<Self> {
-        let name: String = row.try_get("username")?;
-        Ok(Username::from(name))
-    }
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize, Hash, PartialEq, Eq)]
-pub struct AuthToken(String);
-
-impl From<String> for AuthToken {
-    fn from(s: String) -> Self {
-        Self(s)
-    }
-}
-
-impl From<&str> for AuthToken {
-    fn from(s: &str) -> Self {
-        Self(s.to_owned())
-    }
-}
-
-impl From<AuthToken> for PathBuf {
-    fn from(s: AuthToken) -> Self {
-        Self::from(&s)
-    }
-}
-
-impl From<&AuthToken> for PathBuf {
-    fn from(s: &AuthToken) -> Self {
-        let AuthToken(s) = s;
-        Self::from(s)
-    }
-}
-
-impl Deref for AuthToken {
-    type Target = String;
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize, Hash, PartialEq, Eq)]
-pub struct SessionToken(String);
-
-impl From<String> for SessionToken {
-    fn from(s: String) -> Self {
-        Self(s)
-    }
-}
-
-impl From<&str> for SessionToken {
-    fn from(s: &str) -> Self {
-        Self(s.to_owned())
-    }
-}
-
-impl From<SessionToken> for PathBuf {
-    fn from(s: SessionToken) -> Self {
-        Self::from(&s)
-    }
-}
-
-impl From<&SessionToken> for PathBuf {
-    fn from(s: &SessionToken) -> Self {
-        let SessionToken(s) = s;
-        Self::from(s)
-    }
-}
-
-impl Deref for SessionToken {
-    type Target = String;
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
 #[derive(Clone, Debug, Serialize, Deserialize, Hash, PartialEq, Eq)]
 pub struct FileId(String);
 
@@ -267,95 +130,6 @@ impl FileRoot for Context {
     }
 }
 
-#[derive(Clone)]
-pub struct AuthDB {
-    pool: SqlitePool,
-}
-
-impl AuthDB {
-    pub async fn new(path: PathBuf) -> Result<Self, sqlx::Error> {
-        let migrator = sqlx::migrate!("./migrations");
-        let pool = SqlitePool::connect(&format!("sqlite://{}", path.to_str().unwrap())).await?;
-        migrator.run(&pool).await?;
-        Ok(Self { pool })
-    }
-
-    pub async fn add_user(&self, username: Username) -> Result<AuthToken, AuthError> {
-        let mut hasher = Sha256::new();
-        hasher.update(Uuid::new_v4().hyphenated().to_string());
-        hasher.update(username.to_string());
-        let auth_token = Base64::encode_string(&hasher.finalize());
-
-        let _ = sqlx::query("INSERT INTO users (username, token) VALUES ($1, $2)")
-            .bind(username.to_string())
-            .bind(auth_token.clone())
-            .execute(&self.pool)
-            .await?;
-
-        Ok(AuthToken::from(auth_token))
-    }
-
-    pub async fn list_users(&self) -> Result<Vec<Username>, AuthError> {
-        let usernames = sqlx::query_as::<_, Username>("SELECT (username) FROM users")
-            .fetch_all(&self.pool)
-            .await?;
-
-        Ok(usernames)
-    }
-
-    pub async fn authenticate(&self, token: AuthToken) -> Result<Option<SessionToken>, AuthError> {
-        let results = sqlx::query("SELECT * FROM users WHERE token = $1")
-            .bind(token.to_string())
-            .fetch_all(&self.pool)
-            .await?;
-
-        if results.len() > 1 {
-            return Err(AuthError::DuplicateAuthToken);
-        }
-
-        if results.is_empty() {
-            return Ok(None);
-        }
-
-        let user_id: i64 = results[0].try_get("id")?;
-
-        let mut hasher = Sha256::new();
-        hasher.update(Uuid::new_v4().hyphenated().to_string());
-        hasher.update(token.to_string());
-        let session_token = Base64::encode_string(&hasher.finalize());
-
-        let _ = sqlx::query("INSERT INTO sessions (token, user_id) VALUES ($1, $2)")
-            .bind(session_token.clone())
-            .bind(user_id)
-            .execute(&self.pool)
-            .await?;
-
-        Ok(Some(SessionToken::from(session_token)))
-    }
-
-    pub async fn validate_session(
-        &self,
-        token: SessionToken,
-    ) -> Result<Option<Username>, AuthError> {
-        let rows = sqlx::query(
-            "SELECT users.username FROM sessions INNER JOIN users ON sessions.user_id = users.id WHERE sessions.token = $1",
-        )
-        .bind(token.to_string())
-        .fetch_all(&self.pool)
-        .await?;
-        if rows.len() > 1 {
-            return Err(AuthError::DuplicateSessionToken);
-        }
-
-        if rows.is_empty() {
-            return Ok(None);
-        }
-
-        let username: String = rows[0].try_get("username")?;
-        Ok(Some(Username::from(username)))
-    }
-}
-
 pub struct Store {
     files_root: PathBuf,
 }
@@ -493,74 +267,3 @@ mod test {
         });
     }
 }
-
-#[cfg(test)]
-mod authdb_test {
-    use super::*;
-    use cool_asserts::assert_matches;
-
-    #[tokio::test]
-    async fn can_create_and_list_users() {
-        let db = AuthDB::new(PathBuf::from(":memory:"))
-            .await
-            .expect("a memory-only database will be created");
-        let _ = db
-            .add_user(Username::from("savanni"))
-            .await
-            .expect("user to be created");
-        assert_matches!(db.list_users().await, Ok(names) => {
-            let names = names.into_iter().collect::<HashSet<Username>>();
-            assert!(names.contains(&Username::from("savanni")));
-        })
-    }
-
-    #[tokio::test]
-    async fn unknown_auth_token_returns_nothing() {
-        let db = AuthDB::new(PathBuf::from(":memory:"))
-            .await
-            .expect("a memory-only database will be created");
-        let _ = db
-            .add_user(Username::from("savanni"))
-            .await
-            .expect("user to be created");
-
-        let token = AuthToken::from("0000000000");
-
-        assert_matches!(db.authenticate(token).await, Ok(None));
-    }
-
-    #[tokio::test]
-    async fn auth_token_becomes_session_token() {
-        let db = AuthDB::new(PathBuf::from(":memory:"))
-            .await
-            .expect("a memory-only database will be created");
-        let token = db
-            .add_user(Username::from("savanni"))
-            .await
-            .expect("user to be created");
-
-        assert_matches!(db.authenticate(token).await, Ok(_));
-    }
-
-    #[tokio::test]
-    async fn can_validate_session_token() {
-        let db = AuthDB::new(PathBuf::from(":memory:"))
-            .await
-            .expect("a memory-only database will be created");
-        let token = db
-            .add_user(Username::from("savanni"))
-            .await
-            .expect("user to be created");
-        let session = db
-            .authenticate(token)
-            .await
-            .expect("token authentication should succeed")
-            .expect("session token should be found");
-
-        assert_matches!(
-        db.validate_session(session).await,
-        Ok(Some(username)) => {
-            assert_eq!(username, Username::from("savanni"));
-        });
-    }
-}

fitnesstrax/app/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "fitnesstrax"
+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_2" ] }
+gio             = { version = "0.18" }
+glib            = { version = "0.18" }
+gtk             = { version = "0.7", package = "gtk4", features = [ "v4_8" ] }
+tokio           = { version = "1.34", features = [ "full" ] }
+
+[build-dependencies]
+glib-build-tools = "0.18"
+

fitnesstrax/app/src/main.rs

@@ -0,0 +1,38 @@
+use fitnesstrax;
+use gtk::prelude::*;
+use std::env;
+
+struct AppState {}
+
+struct AppWindow {
+    window: adw::ApplicationWindow,
+}
+
+fn main() {
+    println!("Hello, world!");
+
+    let app = adw::Application::builder()
+        .application_id("com.luminescent-dreams.fitnesstrax")
+        .resource_base_path("/com/luminescent-dreams/fitnesstrax")
+        .build();
+
+    /*
+    let runtime = tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .build()
+        .unwrap();
+        */
+
+    let app = adw::Application::builder()
+        .application_id("com.luminescent-dreams.fitnesstrax")
+        .resource_base_path("/com/luminescent-dreams/fitnesstrax")
+        .build();
+
+    app.connect_activate(move |app| {
+        let window = adw::ApplicationWindow::new(app);
+        window.present();
+    });
+
+    let args: Vec<String> = env::args().collect();
+    ApplicationExtManual::run_with_args(&app, &args);
+}

fitnesstrax/core/Cargo.toml

@@ -0,0 +1,18 @@
+[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" ] }
+
+[dev-dependencies]
+tempfile        = "*"
+
+

fitnesstrax/core/src/legacy.rs

@@ -0,0 +1,24 @@
+use crate::types;
+
+#[cfg(test)]
+mod test {
+    #[test]
+    fn read_a_legacy_set_rep_record() {
+        unimplemented!()
+    }
+
+    #[test]
+    fn read_a_legacy_steps_record() {
+        unimplemented!()
+    }
+
+    #[test]
+    fn read_a_legacy_time_distance_record() {
+        unimplemented!()
+    }
+
+    #[test]
+    fn read_a_legacy_weight_record() {
+        unimplemented!()
+    }
+}

fitnesstrax/core/src/lib.rs

@@ -0,0 +1,6 @@
+use chrono::NaiveDate;
+use dimensioned::si;
+use emseries::DateTimeTz;
+
+mod legacy;
+mod types;

fitnesstrax/core/src/types.rs

@@ -0,0 +1,112 @@
+use chrono::NaiveDate;
+use dimensioned::si;
+use emseries::{DateTimeTz, Recordable, Timestamp};
+use serde::{Deserialize, Serialize};
+
+/// SetRep represents workouts like pushups or situps, which involve doing a "set" of a number of
+/// actions, resting, and then doing another set.
+pub struct SetRep {
+    /// I assume that a set/rep workout is only done once in a day.
+    date: NaiveDate,
+    /// 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].
+    sets: Vec<u32>,
+    comments: Option<String>,
+}
+
+/// The number of steps one takes in a single day.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct Steps {
+    date: NaiveDate,
+    count: u32,
+}
+
+/// 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 in one timezone would then count as 1am
+    /// if one moved two timezones to the east. This is kind of nonsensical from a human
+    /// perspective, so the DateTimeTz keeps track of the precise time in UTC, but also the
+    /// timezone in which the event was recorded.
+    datetime: DateTimeTz,
+    /// The distance travelled. This is optional because such a workout makes sense even without
+    /// the distance.
+    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.
+    duration: Option<si::Second<f64>>,
+    comments: Option<String>,
+}
+
+/// 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 {
+    date: NaiveDate,
+    weight: si::Kilogram<f64>,
+}
+
+/// The unified data structure for all records that are part of the app.
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub enum TraxRecord {
+    BikeRide(TimeDistance),
+    Pushups,
+    Row(TimeDistance),
+    Run(TimeDistance),
+    Situps,
+    Squats,
+    Steps(Steps),
+    Swim(TimeDistance),
+    Walk(TimeDistance),
+    Weight(Weight),
+}
+
+impl Recordable for TraxRecord {
+    fn timestamp(&self) -> Timestamp {
+        match self {
+            TraxRecord::BikeRide(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Pushups => unimplemented!(),
+            TraxRecord::Row(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Run(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Situps => unimplemented!(),
+            TraxRecord::Squats => unimplemented!(),
+            TraxRecord::Steps(rec) => Timestamp::Date(rec.date),
+            TraxRecord::Swim(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Walk(rec) => Timestamp::DateTime(rec.datetime.clone()),
+            TraxRecord::Weight(rec) => Timestamp::Date(rec.date),
+        }
+    }
+
+    fn tags(&self) -> Vec<String> {
+        vec![]
+    }
+}
+
+#[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_, record);
+    }
+}

visions/server/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "visions"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+authdb      = { path = "../../authdb/" }
+http        = { version = "1" }
+serde_json  = { version = "*" }
+serde       = { version = "1" }
+tokio       = { version = "1", features = [ "full" ] }
+warp        = { version = "0.3" }

visions/server/src/handlers.rs

@@ -0,0 +1,24 @@
+use authdb::{AuthDB, AuthToken};
+use http::{response::Response, status::StatusCode, Error};
+
+pub async fn handle_auth(
+    auth_ctx: &AuthDB,
+    auth_token: AuthToken,
+) -> Result<http::Response<String>, Error> {
+    match auth_ctx.authenticate(auth_token).await {
+        Ok(Some(session)) => match serde_json::to_string(&session) {
+            Ok(session_token) => Response::builder()
+                .status(StatusCode::OK)
+                .body(session_token),
+            Err(_) => Response::builder()
+                .status(StatusCode::INTERNAL_SERVER_ERROR)
+                .body("".to_owned()),
+        },
+        Ok(None) => Response::builder()
+            .status(StatusCode::UNAUTHORIZED)
+            .body("".to_owned()),
+        Err(_) => Response::builder()
+            .status(StatusCode::INTERNAL_SERVER_ERROR)
+            .body("".to_owned()),
+    }
+}

visions/server/src/main.rs

@@ -0,0 +1,105 @@
+use authdb::{AuthDB, AuthError, AuthToken, SessionToken, Username};
+use std::{
+    convert::Infallible,
+    net::{IpAddr, Ipv4Addr, SocketAddr},
+    path::PathBuf,
+    sync::Arc,
+};
+use warp::{
+    header,
+    http::StatusCode,
+    reply::{Json, Reply},
+    Filter,
+};
+
+mod handlers;
+use handlers::handle_auth;
+
+#[derive(Debug)]
+struct Unauthorized;
+impl warp::reject::Reject for Unauthorized {}
+
+#[derive(Debug)]
+struct AuthDBError(AuthError);
+impl warp::reject::Reject for AuthDBError {}
+
+fn with_session(
+    auth_ctx: Arc<AuthDB>,
+) -> impl Filter<Extract = (Username,), Error = warp::Rejection> + Clone {
+    header("authentication").and_then({
+        move |value: String| {
+            let auth_ctx = auth_ctx.clone();
+            async move {
+                match auth_ctx.validate_session(SessionToken::from(value)).await {
+                    Ok(Some(username)) => Ok(username),
+                    Ok(None) => Err(warp::reject::custom(Unauthorized)),
+                    Err(err) => Err(warp::reject::custom(AuthDBError(err))),
+                }
+            }
+        }
+    })
+}
+
+fn route_echo_unauthenticated() -> impl Filter<Extract = (Json,), Error = warp::Rejection> + Clone {
+    warp::path!("api" / "v1" / "echo" / String).map(|param: String| {
+        println!("param: {}", param);
+        warp::reply::json(&vec!["unauthenticated", param.as_str()])
+    })
+}
+
+fn route_authenticate(
+    auth_ctx: Arc<AuthDB>,
+) -> impl Filter<Extract = (Json,), Error = warp::Rejection> + Clone {
+    let auth_ctx = auth_ctx.clone();
+    warp::path!("api" / "v1" / "auth")
+        .and(warp::post())
+        .and(warp::body::json())
+        .map(move |param: AuthToken| {
+            let res = handle_auth(&auth_ctx, param.clone());
+            warp::reply::json(&param)
+        })
+}
+
+fn route_echo_authenticated(
+    auth_ctx: Arc<AuthDB>,
+) -> impl Filter<Extract = (Json,), Error = warp::Rejection> + Clone {
+    warp::path!("api" / "v1" / "echo" / String)
+        .and(with_session(auth_ctx.clone()))
+        .map(move |param: String, username: Username| {
+            println!("param: {:?}", username);
+            println!("param: {}", param);
+            warp::reply::json(&vec!["authenticated", username.as_str(), param.as_str()])
+        })
+}
+
+async fn handle_rejection(err: warp::Rejection) -> Result<impl Reply, Infallible> {
+    if let Some(Unauthorized) = err.find() {
+        Ok(warp::reply::with_status(
+            "".to_owned(),
+            StatusCode::UNAUTHORIZED,
+        ))
+    } else {
+        Ok(warp::reply::with_status(
+            "".to_owned(),
+            StatusCode::INTERNAL_SERVER_ERROR,
+        ))
+    }
+}
+
+#[tokio::main]
+pub async fn main() {
+    let auth_db = AuthDB::new(PathBuf::from("./auth_db.sqlite"))
+        .await
+        .expect("AuthDB should initialize");
+    let auth_ctx: Arc<AuthDB> = Arc::new(auth_db);
+
+    let filter = route_echo_authenticated(auth_ctx.clone())
+        .or(route_authenticate(auth_ctx.clone()))
+        .or(route_echo_unauthenticated())
+        .recover(handle_rejection);
+
+    let server = warp::serve(filter);
+    server
+        .run(SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 8001))
+        .await;
+}

visions/ui/Makefile

@@ -0,0 +1,10 @@
+
+release:
+	NODE_ENV=production npm run build
+
+dev:
+	npm run build
+
+server:
+	npx http-server ./dist
+

visions/ui/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "ui",
+  "version": "1.0.0",
+  "description": "",
+  "main": "webpack.config.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "webpack"
+  },
+  "author": "",
+  "license": "GPL-3.0-or-later",
+  "dependencies": {
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
+  },
+  "devDependencies": {
+    "@types/react": "^18.2.8",
+    "@types/react-dom": "^18.2.4",
+    "copy-webpack-plugin": "^11.0.0",
+    "ts-loader": "^9.4.3",
+    "webpack": "^5.85.0",
+    "webpack-cli": "^5.1.3"
+  }
+}

visions/ui/src/index.html

@@ -0,0 +1,6 @@
+<!doctype html>
+<html>
+    <body>
+        <div id="root"></div>
+    </body>
+</html>

visions/ui/src/main.tsx

@@ -0,0 +1,11 @@
+import React from "react";
+import ReactDOM from "react-dom";
+
+const App = () => <div>App</div>;
+
+ReactDOM.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>,
+  document.getElementById("root")
+);

visions/ui/webpack.config.js

@@ -0,0 +1,24 @@
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+
+module.exports = {
+    mode: "development",
+    entry: {
+        "main": "./src/main.tsx"
+    },
+    module: {
+        rules: [
+            { test: /\.tsx?$/, use: "ts-loader", exclude: /node_modules/ }
+        ]
+    },
+    plugins: [
+        new CopyWebpackPlugin({
+            patterns: [
+                { from: "src/index.html" },
+                { from: "src/visions.css" },
+            ]
+        })
+    ],
+    resolve: {
+        extensions: ['.ts', '.tsx'],
+    }
+}