| /*************************************************************************** |
| |
| Copyright (c) 2019, EPAM SYSTEMS INC |
| |
| Licensed 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 { |
| HttpInterceptor, |
| HttpRequest, |
| HttpHandler, |
| HttpEvent |
| } from '@angular/common/http'; |
| |
| import { Observable } from 'rxjs'; |
| |
| @Injectable() |
| export class NoCacheInterceptor implements HttpInterceptor { |
| private addNoCacheToUrl(url: string) { |
| const separator = url.indexOf('?') === -1 ? '?' : '&'; |
| const returnUrl = url + separator + 'noCache=' + new Date().getTime(); |
| |
| return returnUrl; |
| } |
| |
| intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> { |
| const apiReq = req.clone({ url: this.addNoCacheToUrl(req.url) }); |
| return next.handle(apiReq); |
| } |
| } |