907f848c95
* docs(toh-6/dart): refactoring of 'add, edit, delete heroes' Refactoring of "add, edit, delete heroes" section of toh-6 from one big bottom-up step into small independent feature slices, where the user achieves a "milesone" (i.e., can run the full app) after each feature section. The section rewrite is shorter and offers a better UX. Other simplifications: - Error handling is consistent: in the hero service we log to the console, everwhere else we just let errors bubble up. - Hero service methods renamed based on function (create, update) rather then lower-level implementation (post, put). - @Output properties have been eliminated (since they weren't explained). E2E tests now pass on both the TS and Dart sides. * docs(toh-6/ts): refactoring of 'add, edit, delete heroes' Refactoring of "add, edit, delete heroes" section of toh-6 from one big bottom-up step into small independent feature slices, where the user achieves a "milesone" (i.e., can run the full app) after each feature section. The section rewrite is shorter and offers a better UX. Other simplifications: - Error handling is consistent: in the hero service we log to the console, everwhere else we just let errors bubble up. - Hero service methods renamed based on function (create, update) rather then lower-level implementation (post, put). - @Output properties have been eliminated (since they weren't explained). E2E tests now pass on both the TS and Dart sides. Post-Dart-review updates included. * docs(toh-6): ward tweaks
66 lines
2.1 KiB
Dart
66 lines
2.1 KiB
Dart
// #docregion , init
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import 'dart:async';
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import 'dart:convert';
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import 'dart:math';
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import 'package:angular2/core.dart';
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import 'package:http/http.dart';
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import 'package:http/testing.dart';
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import 'hero.dart';
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@Injectable()
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class InMemoryDataService extends MockClient {
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static final _initialHeroes = [
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{'id': 11, 'name': 'Mr. Nice'},
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{'id': 12, 'name': 'Narco'},
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{'id': 13, 'name': 'Bombasto'},
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{'id': 14, 'name': 'Celeritas'},
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{'id': 15, 'name': 'Magneta'},
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{'id': 16, 'name': 'RubberMan'},
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{'id': 17, 'name': 'Dynama2'},
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{'id': 18, 'name': 'Dr IQ'},
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{'id': 19, 'name': 'Magma'},
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{'id': 20, 'name': 'Tornado'}
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];
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static final List<Hero> _heroesDb =
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_initialHeroes.map((json) => new Hero.fromJson(json)).toList();
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static int _nextId = _heroesDb.map((hero) => hero.id).reduce(max) + 1;
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static Future<Response> _handler(Request request) async {
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var data;
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switch (request.method) {
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case 'GET':
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String prefix = request.url.queryParameters['name'] ?? '';
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final regExp = new RegExp(prefix, caseSensitive: false);
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data = _heroesDb.where((hero) => hero.name.contains(regExp)).toList();
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break;
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// #enddocregion init-disabled
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case 'POST':
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var name = JSON.decode(request.body)['name'];
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var newHero = new Hero(_nextId++, name);
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_heroesDb.add(newHero);
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data = newHero;
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break;
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case 'PUT':
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var heroChanges = new Hero.fromJson(JSON.decode(request.body));
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var targetHero = _heroesDb.firstWhere((h) => h.id == heroChanges.id);
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targetHero.name = heroChanges.name;
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data = targetHero;
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break;
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case 'DELETE':
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var id = int.parse(request.url.pathSegments.last);
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_heroesDb.removeWhere((hero) => hero.id == id);
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// No data, so leave it as null.
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break;
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// #docregion init-disabled
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default:
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throw 'Unimplemented HTTP method ${request.method}';
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}
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return new Response(JSON.encode({'data': data}), 200,
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headers: {'content-type': 'application/json'});
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}
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InMemoryDataService() : super(_handler);
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}
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