| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| import {Injectable} from '@angular/core'; |
| import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest, HttpResponse} from "@angular/common/http"; |
| import {Observable} from "rxjs/Observable"; |
| import 'rxjs/add/operator/do'; |
| import {LoaderService} from "./../loader/loader.service"; |
| |
| @Injectable() |
| export class HttpService implements HttpInterceptor { |
| |
| constructor(private loaderService: LoaderService) { |
| } |
| |
| intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> { |
| this.showLoading(); |
| return next.handle(req).do((event: HttpEvent<any>) => { |
| if (event instanceof HttpResponse) { |
| this.hideLoading(); |
| } |
| }, (err: any) => { |
| this.hideLoading(); |
| }); |
| } |
| |
| private showLoading(): void { |
| this.loaderService.show(); |
| } |
| |
| private hideLoading(): void { |
| this.loaderService.hide(); |
| } |
| |
| } |