catalog-ui/src/app/ng2/http-interceptor/headers-interceptor.ts

   1 import { HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
   2 import { Injectable, Injector } from '@angular/core';
   3 import { SdcUiComponents, SdcUiServices } from 'onap-ui-angular';
   4 import { ButtonType } from 'onap-ui-angular/dist/common';
   5 import { Observable } from 'rxjs/Observable';
   6 import { ServerErrorResponse } from '../../models/server-error-response';
   7 import { Cookie2Service } from '../services/cookie.service';
   8 import { HttpHelperService } from '../services/http-hepler.service';
   9 import { TranslateService } from '../shared/translator/translate.service';
  10
  11 @Injectable()
  12 export class HeadersInterceptor implements HttpInterceptor {
  13
  14     constructor(private injector: Injector, private cookieService: Cookie2Service, private httpHelperService: HttpHelperService) {}
  15
  16     intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
  17         let authReq = req.clone({ headers: req.headers.set(this.cookieService.getUserIdSuffix(), this.cookieService.getUserId())
  18             .set('Content-Type', 'application/json; charset=UTF-8')
  19             .set(this.cookieService.getUserIdSuffix(), this.cookieService.getUserId())
  20             .set(this.cookieService.getUserIdSuffix(), this.cookieService.getUserId())
  21         });
  22
  23         const uuidValue = this.httpHelperService.getUuidValue(authReq.url);
  24         if (uuidValue !== '') {
  25             authReq = authReq.clone({ headers: authReq.headers.set(this.cookieService.getUserIdSuffix(), this.cookieService.getUserId())});
  26         }
  27         return next.handle(authReq).do(
  28
  29             (event: HttpEvent<any>) => { /* Do Nothing */ },
  30
  31             (err: any) => {
  32                 if (err instanceof HttpErrorResponse) {
  33                     const errorResponse: ServerErrorResponse = new ServerErrorResponse(err);
  34                     const modalService = this.injector.get(SdcUiServices.ModalService);
  35                     const translateService = this.injector.get(TranslateService);
  36
  37                     const errorDetails = {
  38                         'Error Code': errorResponse.messageId,
  39                         'Status Code': errorResponse.status
  40                     };
  41
  42                     if (errorResponse.ecompRequestId) {
  43                         errorDetails['Transaction ID'] = errorResponse.ecompRequestId;
  44                     }
  45
  46                     if (errorResponse.messageId === 'POL5005') {
  47                         // Session and Role expiration special handling
  48                         modalService.openWarningModal(
  49                             'Warning',
  50                             translateService.translate('ERROR_MODAL_TEXT', errorResponse),
  51                             'warn-modal',
  52                             [ ] );
  53                     } else {
  54                         modalService.openErrorDetailModal('Error', errorResponse.message, 'error-modal', errorDetails);
  55                     }
  56
  57                     return Observable.throwError(err);
  58                 }
  59             });
  60     }
  61 }