bus-stop.service.ts
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import { Injectable } from '@angular/core';
import { Headers, Http } from '@angular/http';
import 'rxjs/add/operator/toPromise';
import { BusStop } from '../models/bus-stop';
@Injectable()
export class BusStopService {
private url = 'http://localhost:5000/busstop';
private headers = new Headers({'Content-Type': 'application/json'});
constructor(private http: Http) { }
getData(from: number = 0, to: number = 100, sort: string = null): Promise<BusStop[]> {
let url = this.url;
url += '?from=' + from + '&to=' + to;
if (sort) {
url += '&sort=' + sort;
}
return this.http.get(url)
.toPromise()
.then(response => response.json().busStopEditDsM as BusStop[])
.catch(this.handleError);
}
update(id: number, data: string): Promise<any> {
return this.http.post(this.url + '/update?id=' + id, data, { headers: this.headers })
.toPromise()
.then(response => response.json())
.catch(this.handleError);
}
create(data: string): Promise<BusStop> {
return this.http.post(this.url + '/create', data, { headers: this.headers })
.toPromise()
.then(response => response.json() as BusStop)
.catch(this.handleError);
}
delete(id: number): Promise<any> {
return this.http.delete(this.url + '/delete?id=' + id, { headers: this.headers })
.toPromise()
.then(response => response.json())
.catch(this.handleError);
}
private handleError(error: any): Promise<any> {
console.error('An error occured', error);
return Promise.reject(error.message || error);
}
}