exists<TModel extends RestModel> method
Future<bool>
exists<TModel extends RestModel>({
- Query? query,
- ModelRepository<
RestModel> ? repository,
Whether a model instance is present. null
is returned when existence is unknown.
The model instance is not hydrated in the function output; a bool
variant
(e.g. List<bool>
, Map<TModel, bool>
) should be returned.
Implementation
@override
Future<bool> exists<TModel extends RestModel>({query, repository}) async {
final adapter = modelDictionary.adapterFor[TModel]!;
final fromAdapter = adapter.restRequest != null ? adapter.restRequest!(query, null).get : null;
final request = (query?.providerArgs['request'] as RestRequest?) ?? fromAdapter;
final url = request?.url;
if (url == null) return false;
final resp = await _brickRequestToHttpRequest(
request!,
QueryAction.get,
query: query,
);
return statusCodeIsSuccessful(resp.statusCode);
}