Rewrite to a API trait.

gamenight-database/src/owned_game.rs

@@ -33,9 +33,9 @@ pub fn disown_game(conn: &mut PgConnection, owned_game: OwnedGame) -> Result<usi
         .execute(conn)?)
 }
 
-pub fn owned_games(conn: &mut PgConnection, uuid: Uuid) -> Result<Vec<Uuid>, DatabaseError> {
+pub fn owned_games(conn: &mut PgConnection, uuid: Uuid) -> Result<Vec<(Uuid, Option<Uuid>)>, DatabaseError> {
     Ok(owned_game::table
-        .select(owned_game::game_id)
+        .select((owned_game::game_id, owned_game::location_id))
         .filter(owned_game::user_id.eq(uuid))
         .get_results(conn)?)
 }