restructured

backend/events.py

@@ -173,4 +173,46 @@ def get_room_events(room_id):
         ORDER BY start_time
         """,
         (room_id,)
-    )
+    )
+
+def get_event(event_id):
+    return fetch_one(
+        """
+        SELECT *
+        FROM events
+        WHERE id = ?
+        """,
+        (event_id,)
+    )
+
+
+def get_event_room_id(event_id):
+    event = fetch_one(
+        """
+        SELECT room_id
+        FROM events
+        WHERE id = ?
+        """,
+        (event_id,)
+    )
+
+    if event is None:
+        return None
+
+    return event["room_id"]
+
+
+def get_event_creator(event_id):
+    event = fetch_one(
+        """
+        SELECT creator_id
+        FROM events
+        WHERE id = ?
+        """,
+        (event_id,)
+    )
+
+    if event is None:
+        return None
+
+    return event["creator_id"]