add `/<uuid> route + backend handling

migration.sql

@@ -1,26 +1,26 @@
 -- Enable foreign key constraints
 PRAGMA foreign_keys = ON;
 
-CREATE TABLE user (
+CREATE TABLE client (
-    uuid TEXT PRIMARY KEY,
+    uuid TEXT PRIMARY KEY NOT NULL,
-    name TEXT NOT NULL
+    name TEXT 
 );
 
 CREATE TABLE camera (
-    uuid TEXT PRIMARY KEY,
+    uuid TEXT PRIMARY KEY NOT NULL,
     desc TEXT,
     name TEXT NOT NULL
 );
 
 CREATE TABLE sightings (
-    user_uuid TEXT NOT NULL,
+    client_uuid TEXT NOT NULL,
-    sighted_at DATETIME NOT NULL,
+    sighted_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
     camera_id TEXT NOT NULL,
-    FOREIGN KEY (user_uuid) REFERENCES user(uuid) ON DELETE CASCADE ON UPDATE CASCADE,
+    FOREIGN KEY (client_uuid) REFERENCES client(uuid) ON DELETE CASCADE ON UPDATE CASCADE,
     FOREIGN KEY (camera_id) REFERENCES camera(uuid) ON DELETE CASCADE ON UPDATE CASCADE,
-    UNIQUE (user_uuid, camera_id)
+    UNIQUE (client_uuid, camera_id)
 );
 
 -- Create indexes for better performance on foreign key lookups
-CREATE INDEX idx_sightings_user_uuid ON sightings(user_uuid);
+CREATE INDEX idx_sightings_client_uuid ON sightings(client_uuid);
 CREATE INDEX idx_sightings_camera_id ON sightings(camera_id);

seeds_test.sql

@@ -1,5 +1,5 @@
--- Insert test users
+-- Insert test clients
-INSERT INTO user (uuid, name) VALUES 
+INSERT INTO client (uuid, name) VALUES 
     ('550e8400-e29b-41d4-a716-446655440001', 'Alice Johnson'),
     ('550e8400-e29b-41d4-a716-446655440002', 'Bob Smith'),
     ('550e8400-e29b-41d4-a716-446655440003', 'Carol Williams'),
@@ -16,7 +16,7 @@ INSERT INTO camera (uuid, desc, name) VALUES
     ('750e8400-e29b-41d4-a716-446655440006', 'Rooftop panoramic view', 'Rooftop Cam');
 
 -- Insert test sightings
-INSERT INTO sightings (user_uuid, sighted_at, camera_id) VALUES 
+INSERT INTO sightings (client_uuid, sighted_at, camera_id) VALUES 
     ('550e8400-e29b-41d4-a716-446655440001', '2025-08-01 09:15:30', '750e8400-e29b-41d4-a716-446655440001'),
     ('550e8400-e29b-41d4-a716-446655440001', '2025-08-01 14:22:45', '750e8400-e29b-41d4-a716-446655440002'),
     ('550e8400-e29b-41d4-a716-446655440002', '2025-08-01 11:08:12', '750e8400-e29b-41d4-a716-446655440003'),

src/backend.rs

@@ -1,2 +0,0 @@
-use sqlx::SqlitePool;
-

src/game.rs

@@ -1,7 +1,7 @@
-use crate::{client_id, page::new, Backend};
+use crate::{page::new, Backend};
 use axum::{
     extract::{Path, State},
-    response::{IntoResponse, Response},
+    response::{IntoResponse, Redirect, Response},
     routing::get,
     Router,
 };
@@ -11,9 +11,9 @@ use std::sync::Arc;
 use uuid::Uuid;
 
 async fn index(State(backend): State<Arc<Backend>>, cookies: CookieJar) -> Response {
-    let (cookies, client) = client_id(cookies);
+    let (cookies, client) = backend.client(cookies).await;
 
-    let sightings = backend.sightings_for_user_uuid(&client).await;
+    let sightings = backend.sightings_for_client(&client).await;
     let amount_total_cameras = backend.amount_total_cameras().await;
 
     let markup = new(html! {
@@ -44,25 +44,25 @@ async fn index(State(backend): State<Arc<Backend>>, cookies: CookieJar) -> Respo
     (cookies, markup).into_response()
 }
 
-async fn game(cookies: CookieJar, Path(uuid): Path<String>) -> Response {
+async fn game(
-    let (cookies, client) = client_id(cookies);
+    State(backend): State<Arc<Backend>>,
+    cookies: CookieJar,
+    Path(uuid): Path<String>,
+) -> Result<Redirect, Response> {
+    let (cookies, client) = backend.client(cookies).await;
 
     let Ok(uuid) = Uuid::parse_str(&uuid) else {
-        return not_found().await.into_response();
+        return Err(not_found().await.into_response());
     };
 
-    let markup = new(html! {
+    let Some(camera) = backend.camera_by_uuid(uuid).await else {
-        hgroup {
+        return Err(not_found().await.into_response());
-            h1 { "Digital Shadows" (PreEscaped("&mdash;")) "Who finds the most cameras?" }
+    };
-            h2 {
-                (client)
-                " found camera "
-                (uuid)
-            }
-        }
-    });
 
-    (cookies, markup).into_response()
+    let succ = backend.client_found_camera(&client, &camera).await;
+    // TODO: show succ/err based on succ
+
+    Ok(Redirect::to("/game"))
 }
 
 async fn not_found() -> Markup {

src/main.rs

@@ -1,3 +1,4 @@
+use crate::model::client::Client;
 use axum::{routing::get, Router};
 use axum_extra::extract::{cookie::Cookie, CookieJar};
 use sqlx::{pool::PoolOptions, sqlite::SqliteConnectOptions, SqlitePool};
@@ -14,19 +15,21 @@ pub(crate) enum Backend {
     Sqlite(SqlitePool),
 }
 
-fn client_id(cookies: CookieJar) -> (CookieJar, String) {
+impl Backend {
-    let mut cookies = cookies;
+    async fn client(&self, cookies: CookieJar) -> (CookieJar, Client) {
-    if cookies.get("client_id").is_none() {
+        let existing_uuid = cookies
-        let id = Uuid::new_v4().to_string();
+            .get("client_id")
-        cookies = cookies.add(Cookie::new("client_id", id))
+            .and_then(|cookie| Uuid::parse_str(cookie.value()).ok());
+
+        match existing_uuid {
+            Some(uuid) => (cookies, self.get_client(&uuid).await),
+            None => {
+                let new_id = Uuid::new_v4();
+                let updated_cookies = cookies.add(Cookie::new("client_id", new_id.to_string()));
+                (updated_cookies, self.get_client(&new_id).await)
+            }
+        }
     }
-
-    let id = cookies
-        .get("client_id")
-        .expect("can't happen, as we checked above")
-        .to_string();
-
-    (cookies, id)
 }
 
 #[tokio::main]

src/model/camera.rs

@@ -1,15 +1,30 @@
 use crate::Backend;
 use serde::{Deserialize, Serialize};
 use sqlx::FromRow;
+use uuid::Uuid;
 
 #[derive(FromRow, Debug, Serialize, Deserialize)]
 pub struct Camera {
     pub uuid: String,
-    pub desc: String,
+    pub desc: Option<String>,
     pub name: String,
 }
 
 impl Backend {
+    pub(crate) async fn camera_by_uuid(&self, uuid: Uuid) -> Option<Camera> {
+        let uuid = uuid.to_string();
+        match self {
+            Backend::Sqlite(db) => sqlx::query_as!(
+                Camera,
+                "SELECT uuid, desc, name FROM camera WHERE uuid = ?",
+                uuid
+            )
+            .fetch_optional(db)
+            .await
+            .unwrap(),
+        }
+    }
+
     pub(crate) async fn amount_total_cameras(&self) -> i64 {
         match self {
             Backend::Sqlite(db) => {

src/model/client.rs

@@ -0,0 +1,29 @@
+use crate::Backend;
+use serde::{Deserialize, Serialize};
+use sqlx::FromRow;
+use uuid::Uuid;
+
+#[derive(FromRow, Debug, Serialize, Deserialize)]
+pub struct Client {
+    pub uuid: String,
+    pub name: Option<String>,
+}
+
+impl Backend {
+    pub(crate) async fn get_client(&self, uuid: &Uuid) -> Client {
+        let uuid = uuid.to_string();
+
+        match self {
+            Backend::Sqlite(db) => {
+                sqlx::query!("INSERT OR IGNORE INTO client (uuid) VALUES (?);", uuid)
+                    .execute(db)
+                    .await
+                    .unwrap();
+                sqlx::query_as!(Client, "SELECT uuid, name FROM client WHERE uuid = ?", uuid)
+                    .fetch_one(db)
+                    .await
+                    .expect("we assured that uuid exists in previous query")
+            }
+        }
+    }
+}

src/model/mod.rs

@@ -1,3 +1,3 @@
 pub(crate) mod camera;
+pub(crate) mod client;
 pub(crate) mod sighting;
-pub(crate) mod user;

src/model/sighting.rs

@@ -1,20 +1,24 @@
-use crate::Backend;
+use crate::{
+    model::{camera::Camera, client::Client},
+    Backend,
+};
 use serde::{Deserialize, Serialize};
 use sqlx::{types::chrono::NaiveDateTime, FromRow};
 
 #[derive(FromRow, Debug, Serialize, Deserialize)]
 pub struct Sighting {
-    pub user_uuid: String,
+    pub client_uuid: String,
     pub sighted_at: NaiveDateTime,
     pub camera_id: String, // Changed from i64 to String to match TEXT/UUID in schema
 }
 
 impl Backend {
-    pub(crate) async fn sightings_for_user_uuid(&self, uuid: &str) -> Vec<Sighting> {
+    pub(crate) async fn sightings_for_client(&self, client: &Client) -> Vec<Sighting> {
+        let uuid = client.uuid.to_string();
         match self {
             Backend::Sqlite(db) => sqlx::query_as!(
                 Sighting,
-                "SELECT user_uuid, sighted_at, camera_id FROM sightings WHERE user_uuid = ?",
+                "SELECT client_uuid, sighted_at, camera_id FROM sightings WHERE client_uuid = ?",
                 uuid
             )
             .fetch_all(db)
@@ -22,4 +26,21 @@ impl Backend {
             .unwrap(),
         }
     }
+
+    pub(crate) async fn client_found_camera(&self, client: &Client, camera: &Camera) -> bool {
+        let client_uuid = client.uuid.to_string();
+        let camera_uuid = camera.uuid.to_string();
+
+        match self {
+            Backend::Sqlite(db) => sqlx::query!(
+                "INSERT INTO sightings(client_uuid, camera_id) VALUES (?, ?) RETURNING client_uuid",
+                client_uuid,
+                camera_uuid
+            )
+            .fetch_one(db)
+            .await
+            .unwrap(),
+        };
+        true
+    }
 }