model->with('state', 'country')->get(); } public function find(int $id): ?City { return $this->model->with('state', 'country')->find($id); } public function create(CityDTO $dto): City { return $this->model->create($dto->toArray()); } public function update(int $id, CityDTO $dto, array $fieldsToUpdate): City { $record = $this->find($id); $updateFields = array_intersect_key( $dto->toArray(), array_flip($fieldsToUpdate) ); $record->update($updateFields); return $record->fresh(); } public function delete(int $id): bool { return $this->model->destroy($id) > 0; } }