34 lines
861 B
TypeScript
34 lines
861 B
TypeScript
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//import {Injectable} from 'angular2/angular2'; // Don't get it from Angular
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import {Injectable} from './decorators'; // Use the app's version
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import {Hero} from './hero';
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import {BackendService} from './backend.service';
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@Injectable()
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export class HeroService {
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heroes: Hero[] = []; // cache of heroes
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constructor(protected _backend: BackendService) { }
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refresh() : Promise<Hero[]> { // refresh heroes w/ latest from the server
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this.heroes.length = 0;
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return <Promise<Hero[]>> this._backend.fetchAllHeroesAsync()
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.then(heroes => {
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this.heroes.push(...heroes);
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return this.heroes;
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})
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.catch(e => this._fetchFailed(e));
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}
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protected _fetchFailed(error:any) {
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console.error(error);
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return Promise.reject(error);
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}
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}
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// FOR DOCUMENTATION ONLY. NOT USED
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interface IHeroService {
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heroes : Hero[];
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refresh() : Promise<Hero[]>;
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}
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