Füge umfassendes Logging für Benutzeranfragen und Fehlerbehandlung in der API hinzu

backend/src/routes/me.ts

@@ -4,29 +4,48 @@ import { query } from "../db";
 export const meRouter = Router();
 
 meRouter.get("/", async (req, res) => {
+  console.log("\n--- [ME] Request received for /me ---");
+  
+  // 1. Loggen wir die rohen Cookie-Header, wie sie von NGINX ankommen
+  console.log("[ME] Raw cookie header:", req.headers.cookie);
+
+  // 2. Loggen wir das von cookie-parser geparste Objekt
+  console.log("[ME] Parsed cookies object:", req.cookies);
+
+  // 3. Loggen wir die komplette Session, wie sie von express-session gefunden wird
+  console.log("[ME] Session object found by middleware:", req.session);
+
   // @ts-ignore
-  const userId = req.session.userId as number | undefined;
+  const userId = req.session?.userId as number | undefined;
+  console.log(`[ME] Extracted userId from session: ${userId}`);
 
   if (!userId) {
+    console.log("[ME] No userId found in session. Responding with 401 Unauthorized.");
     return res.status(401).json({ error: "Not logged in" });
   }
 
-  const [user] = await query(
-    `
-    SELECT u.id, u.discord_id, u.discord_name, u.avatar_url, u.created_at,
-           w.balance, w.last_claim_at
-    FROM users u
-    LEFT JOIN wallets w ON w.user_id = u.id
-    WHERE u.id = $1;
-    `,
-    [userId]
-  );
+  try {
+    console.log(`[ME] Querying database for user with ID: ${userId}`);
+    const [user] = await query(
+      `
+      SELECT u.id, u.discord_id, u.discord_name, u.avatar_url,
+             w.balance, w.last_claim_at
+      FROM users u
+      LEFT JOIN wallets w ON w.user_id = u.id
+      WHERE u.id = $1;
+      `,
+      [userId]
+    );
 
-  if (!user) {
-    // @ts-ignore
-    req.session.destroy();
-    return res.status(401).json({ error: "User not found, session cleared" });
+    if (user) {
+      console.log(`[ME] Found user: ${user.discord_name}. Responding with user data.`);
+      res.json(user);
+    } else {
+      console.log(`[ME] User with ID ${userId} not found in database! Responding with 404.`);
+      res.status(404).json({ error: "User not found" });
+    }
+  } catch (err) {
+    console.error("[ME] Error during database query:", err);
+    res.status(500).json({ error: "Failed to fetch user data" });
   }
-
-  res.json(user);
 });