41 lines
1.1 KiB
TypeScript
41 lines
1.1 KiB
TypeScript
import { Injectable } from "@angular/core";
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import { Headers, Http } from "@angular/http";
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import "rxjs/add/operator/toPromise";
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import { Duck } from "./models";
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@Injectable()
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export class DuckService {
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private ducksUrl = 'app/ducks';
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private headers = new Headers({"Content-Type": "application/json"});
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constructor(private http: Http) {}
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private handleError(error: any): Promise<any> {
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console.error("An error occured", error);
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return Promise.reject(error.message || error);
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}
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update(duck: Duck): Promise<Duck> {
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const url = `${this.ducksUrl}/${duck.id}`;
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return this.http.put(url, JSON.stringify(duck), {headers: this.headers})
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.toPromise()
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.then(() => duck)
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.catch(this.handleError);
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}
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getDucks(): Promise<Duck[]> {
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return this.http.get(this.ducksUrl)
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.toPromise()
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.then(response => response.json().data as Duck[])
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.catch(this.handleError);
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}
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getDuck(id: number): Promise<Duck> {
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return this.getDucks().then(ducks => ducks.find(duck => duck.id === id));
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}
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}
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