update rooms.py and main.py

backend/events.py

@@ -215,4 +215,25 @@ def get_event_creator(event_id):
     if event is None:
         return None
 
-    return event["creator_id"]
+    return event["creator_id"]
+
+def confirm_event(event_id):
+    execute(
+        """
+        UPDATE events
+        SET status = 'confirmed'
+        WHERE id = ?
+        """,
+        (event_id,),
+    )
+
+
+def cancel_event(event_id):
+    execute(
+        """
+        UPDATE events
+        SET status = 'cancelled'
+        WHERE id = ?
+        """,
+        (event_id,),
+    )