Demo notice

src/demo.rs

@@ -2,9 +2,12 @@ use chrono;
 use sqlx;
 use uuid::Uuid;
 
+use crate::feeds::Feed;
+
 pub async fn setup_demo_data(pool: &sqlx::SqlitePool) {
     // Create admin user
-    let admin_id = Uuid::new_v4().to_string();
+    let admin_id = Uuid::new_v4();
+    let admin_id_str = admin_id.to_string();
     let admin_hash = bcrypt::hash("admin", bcrypt::DEFAULT_COST).unwrap();
     let now = chrono::Utc::now().to_rfc3339();
 
@@ -12,7 +15,7 @@ pub async fn setup_demo_data(pool: &sqlx::SqlitePool) {
         "INSERT INTO users (id, username, password_hash, email, display_name, created_at, admin) 
          VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7)",
     )
-    .bind(&admin_id)
+    .bind(&admin_id_str)
     .bind("admin")
     .bind(&admin_hash)
     .bind(Option::<String>::None)
@@ -24,14 +27,15 @@ pub async fn setup_demo_data(pool: &sqlx::SqlitePool) {
     .expect("Failed to create admin user");
 
     // Create demo user
-    let demo_id = Uuid::new_v4().to_string();
+    let demo_id = Uuid::new_v4();
+    let demo_id_str = demo_id.to_string();
     let demo_hash = bcrypt::hash("demo", bcrypt::DEFAULT_COST).unwrap();
 
     sqlx::query(
         "INSERT INTO users (id, username, password_hash, email, display_name, created_at, admin) 
          VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7)",
     )
-    .bind(&demo_id)
+    .bind(&demo_id_str)
     .bind("demo")
     .bind(&demo_hash)
     .bind(Option::<String>::None)
@@ -42,5 +46,30 @@ pub async fn setup_demo_data(pool: &sqlx::SqlitePool) {
     .await
     .expect("Failed to create demo user");
 
+    let feed = Feed::new(
+        "BBC News".to_string(),
+        "https://feeds.bbci.co.uk/news/world/us_and_canada/rss.xml"
+            .parse()
+            .unwrap(),
+        demo_id,
+    );
+
+    // TODO: This insert logic is substantially the same as Feed::write_to_database.
+    // Should find a way to unify these two code paths to avoid duplication.
+    sqlx::query(
+        "INSERT INTO feeds (feed_id, name, url, user_id, added_time, last_checked_time, categorization) 
+         VALUES (?1, ?2, ?3, ?4, ?5, ?6, json(?7))",
+    )
+    .bind(feed.feed_id.to_string())
+    .bind(&feed.name)
+    .bind(feed.url.as_str())
+    .bind(feed.user_id.to_string())
+    .bind(feed.added_time.to_rfc3339())
+    .bind(feed.last_checked_time.to_rfc3339())
+    .bind("[]") // empty categorization array as JSON
+    .execute(pool)
+    .await
+    .expect("Failed to create demo feed");
+
     println!("Successfully set up demo data");
 }

src/feeds.rs

@@ -12,13 +12,13 @@ use crate::Db;
 #[derive(Debug, Serialize)]
 #[serde(crate = "rocket::serde")]
 pub struct Feed {
-    feed_id: Uuid,
-    name: String,
-    url: Url,
-    user_id: Uuid,
-    added_time: chrono::DateTime<chrono::Utc>,
-    last_checked_time: chrono::DateTime<chrono::Utc>,
-    categorization: Vec<String>,
+    pub feed_id: Uuid,
+    pub name: String,
+    pub url: Url,
+    pub user_id: Uuid,
+    pub added_time: chrono::DateTime<chrono::Utc>,
+    pub last_checked_time: chrono::DateTime<chrono::Utc>,
+    pub categorization: Vec<String>,
 }
 
 impl Feed {
@@ -34,6 +34,30 @@ impl Feed {
             categorization: Vec::new(),
         }
     }
+
+    pub async fn write_to_database(&self, mut db: Connection<Db>) -> Result<(), sqlx::Error> {
+        // Convert categorization to JSON value
+        let categorization_json = serde::json::to_value(&self.categorization).map_err(|e| {
+            eprintln!("Failed to serialize categorization: {}", e);
+            sqlx::Error::Decode(Box::new(e))
+        })?;
+
+        sqlx::query(
+            "INSERT INTO feeds (feed_id, name, url, user_id, added_time, last_checked_time, categorization) 
+             VALUES (?1, ?2, ?3, ?4, ?5, ?6, json(?7))",
+        )
+        .bind(self.feed_id.to_string())
+        .bind(&self.name)
+        .bind(self.url.as_str())
+        .bind(self.user_id.to_string())
+        .bind(self.added_time.to_rfc3339())
+        .bind(self.last_checked_time.to_rfc3339())
+        .bind(&categorization_json.to_string())
+        .execute(&mut **db)
+        .await?;
+
+        Ok(())
+    }
 }
 
 #[derive(Debug, Deserialize)]
@@ -46,7 +70,7 @@ pub struct NewFeed {
 
 #[post("/feeds", data = "<new_feed>")]
 pub async fn create_feed(
-    mut db: Connection<Db>,
+    db: Connection<Db>,
     new_feed: Json<NewFeed>,
     user: AuthenticatedUser,
 ) -> Result<Json<Feed>, Status> {
@@ -73,27 +97,7 @@ pub async fn create_feed(
     let mut feed = Feed::new(name, new_feed.url, user.user_id);
     feed.categorization = new_feed.categorization;
 
-    // Convert categorization to JSON value
-    let categorization_json = serde::json::to_value(&feed.categorization).map_err(|e| {
-        eprintln!("Failed to serialize categorization: {}", e);
-        Status::InternalServerError
-    })?;
-
-    let query = sqlx::query(
-        "INSERT INTO feeds (feed_id, name, url, user_id, added_time, last_checked_time, categorization) 
-         VALUES (?1, ?2, ?3, ?4, ?5, ?6, json(?7))",
-    )
-    .bind(feed.feed_id.to_string())
-    .bind(&feed.name)
-    .bind(feed.url.as_str())
-    .bind(feed.user_id.to_string())
-    .bind(feed.added_time.to_rfc3339())
-    .bind(feed.last_checked_time.to_rfc3339())
-    .bind(&categorization_json.to_string())
-    .execute(&mut **db)
-    .await;
-
-    match query {
+    match feed.write_to_database(db).await {
         Ok(_) => Ok(Json(feed)),
         Err(e) => {
             eprintln!("Database error: {}", e);

src/main.rs

@@ -57,8 +57,8 @@ async fn index_redirect(mut db: Connection<Db>) -> Redirect {
 }
 
 #[get("/login")]
-fn login() -> Template {
-    Template::render("login", context! {})
+fn login(demo_mode: &State<bool>) -> Template {
+    Template::render("login", context! { demo_mode: *demo_mode })
 }
 
 // Run migrations and setup demo data if needed
@@ -100,7 +100,6 @@ fn rocket() -> _ {
     };
 
     let figment = rocket::Config::figment().merge(("databases.rss_data.url", db_url));
-    let demo = args.demo;
 
     rocket::custom(figment)
         .mount(
@@ -126,7 +125,8 @@ fn rocket() -> _ {
         .mount("/static", FileServer::from("static"))
         .attach(Template::fairing())
         .attach(Db::init())
+        .manage(args.demo)
         .attach(AdHoc::try_on_ignite("DB Setup", move |rocket| async move {
-            setup_database(demo, rocket).await
+            setup_database(args.demo, rocket).await
         }))
 }

static/css/style.css

@@ -534,4 +534,22 @@ button:disabled {
 .feed-entry-summary {
     color: var(--text-color);
     line-height: 1.5;
+}
+
+.demo-notice {
+    border: 1px solid #dee2e6;
+    border-radius: 4px;
+    padding: 1rem;
+    margin-bottom: 2rem;
+    text-align: center;
+}
+
+.demo-notice p {
+    margin: 0.5rem 0;
+}
+
+.demo-notice pre {
+    padding: 0.1rem 0.4rem;
+    border-radius: 2px;
+    font-family: monospace;
 } 

templates/login.html.tera

@@ -9,6 +9,15 @@
     <div class="login-container">
         <form class="login-form" id="loginForm">
             <h1>Login</h1>
+            {% if demo_mode %}
+            <div class="demo-notice">
+                <p>RSS Reader is currently running in demo mode. You can log in with these credentials:</p>
+
+                Username: <pre style="display: inline">demo</pre>, Password: <pre style="display: inline">demo</pre>
+
+                <p>Note: Any data you create will not be persisted after the application restarts.</p>
+            </div>
+            {% endif %}
             <div class="form-group">
                 <label for="username">Username</label>
                 <input type="text" id="username" name="username" required>