Remove a controller from event pos. on unreg.

vzdv-site/src/endpoints/events.rs

@@ -525,6 +525,7 @@ async fn api_register_unregister(
     } else {
         return Ok(StatusCode::UNAUTHORIZED);
     };
+    // get the registration ID from event ID & CID
     let existing_registration: Option<EventRegistration> =
         sqlx::query_as(sql::GET_EVENT_REGISTRATION_FOR)
             .bind(id)
@@ -537,6 +538,12 @@ async fn api_register_unregister(
             .execute(&state.db)
             .await?;
     }
+    // remove the controller from any positions in this event
+    sqlx::query(sql::CLEAR_CID_FROM_EVENT_POSITIONS)
+        .bind(id)
+        .bind(cid)
+        .execute(&state.db)
+        .await?;
     info!("{cid} removed their registration to event {id}");
     Ok(StatusCode::ACCEPTED)
 }

vzdv/src/sql.rs

@@ -412,6 +412,8 @@ pub const INSERT_EVENT_POSITION: &str =
     "INSERT INTO event_position VALUES (NULL, $1, $2, $3, NULL);";
 pub const DELETE_EVENT_POSITION: &str = "DELETE FROM event_position WHERE id=$1";
 pub const UPDATE_EVENT_POSITION_CONTROLLER: &str = "UPDATE event_position SET cid=$2 WHERE id=$1";
+pub const CLEAR_CID_FROM_EVENT_POSITIONS: &str =
+    "UPDATE event_position SET cid=NULL WHERE event_id=$1 AND cid=$2";
 
 pub const GET_STAFF_NOTES_FOR: &str = "SELECT * FROM staff_note WHERE cid=$1";
 pub const GET_STAFF_NOTE: &str = "SELECT * FROM staff_note WHERE id=$1";