update endpoints

backend/event_signups.py

@@ -36,4 +36,20 @@ def count_confirmations(event_id):
         (event_id,)
     )
 
-    return result["amount"]
+    return result["amount"]
+
+def get_event_responses(event_id):
+
+    return fetch_all(
+        """
+        SELECT
+            users.id,
+            users.username,
+            event_signups.status
+        FROM event_signups
+        JOIN users
+        ON users.id = event_signups.user_id
+        WHERE event_signups.event_id = ?
+        """,
+        (event_id,)
+    )