update endopoints

backend/rooms.py

@@ -133,8 +133,20 @@ def get_rooms(user_id):
     )
 
     return rooms
-
+    
 def delete_room(room_id):
+    room = execute(
+        """
+        SELECT id
+        FROM rooms
+        WHERE id = ?
+        """,
+        (room_id,)
+    )
+
+    if not room:
+        return {"error": "room not found"}
+
     execute(
         """
         DELETE FROM rooms
@@ -143,7 +155,7 @@ def delete_room(room_id):
         (room_id,)
     )
 
-    return {"status":"deleted"}
+    return {"status": "deleted"}
 
 def get_room(room_id, user_id):