add: user achievements

crates/app/src/routes/pages/misc.rs

@@ -441,6 +441,34 @@ pub async fn requests_request(
     Ok(Html(data.1.render("misc/requests.html", &context).unwrap()))
 }
 
+/// `/achievements`
+pub async fn achievements_request(
+    jar: CookieJar,
+    Extension(data): Extension<State>,
+) -> impl IntoResponse {
+    let data = data.read().await;
+    let user = match get_user_from_token!(jar, data.0) {
+        Some(ua) => ua,
+        None => {
+            return Err(Html(
+                render_error(Error::NotAllowed, &jar, &data, &None).await,
+            ));
+        }
+    };
+
+    let achievements = data.0.fill_achievements(user.achievements.clone());
+
+    // ...
+    let lang = get_lang!(jar, data.0);
+    let mut context = initial_context(&data.0.0.0, lang, &Some(user)).await;
+    context.insert("achievements", &achievements);
+
+    // return
+    Ok(Html(
+        data.1.render("misc/achievements.html", &context).unwrap(),
+    ))
+}
+
 /// `/doc/{file_name}`
 pub async fn markdown_document_request(
     jar: CookieJar,