57 lines
2 KiB
Dart
57 lines
2 KiB
Dart
import 'dart:async';
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import 'service.dart';
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/// An easy helper class to create one-off services without having to create an entire class.
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///
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/// Well-suited for testing.
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class AnonymousService<Id, Data> extends Service<Id, Data> {
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FutureOr<List<Data>> Function([Map<String, dynamic>]) _index;
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FutureOr<Data> Function(Id, [Map<String, dynamic>]) _read, _remove;
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FutureOr<Data> Function(Data, [Map<String, dynamic>]) _create;
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FutureOr<Data> Function(Id, Data, [Map<String, dynamic>]) _modify, _update;
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AnonymousService(
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{FutureOr<List<Data>> index([Map params]),
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FutureOr<Data> read(Id id, [Map params]),
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FutureOr<Data> create(Data data, [Map params]),
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FutureOr<Data> modify(Id id, Data data, [Map params]),
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FutureOr<Data> update(Id id, Data data, [Map params]),
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FutureOr<Data> remove(Id id, [Map params])})
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: super() {
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_index = index;
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_read = read;
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_create = create;
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_modify = modify;
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_update = update;
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_remove = remove;
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}
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@override
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index([Map<String, dynamic> params]) => new Future.sync(
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() => _index != null ? _index(params) : super.index(params));
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@override
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read(Id id, [Map<String, dynamic> params]) => new Future.sync(
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() => _read != null ? _read(id, params) : super.read(id, params));
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@override
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create(Data data, [Map<String, dynamic> params]) => new Future.sync(() =>
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_create != null ? _create(data, params) : super.create(data, params));
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@override
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modify(Id id, Data data, [Map<String, dynamic> params]) =>
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new Future.sync(() => _modify != null
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? _modify(id, data, params)
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: super.modify(id, data, params));
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@override
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update(Id id, Data data, [Map<String, dynamic> params]) =>
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new Future.sync(() => _update != null
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? _update(id, data, params)
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: super.update(id, data, params));
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@override
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remove(Id id, [Map<String, dynamic> params]) => new Future.sync(
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() => _remove != null ? _remove(id, params) : super.remove(id, params));
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}
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