* ========================LICENSE_END===================================
*/
-import { Injectable, Injector } from '@angular/core';
-import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest, HttpResponse } from '@angular/common/http';
-import { Observable, of } from 'rxjs';
+import { Injectable } from '@angular/core';
+import { HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
+import { Observable } from 'rxjs';
+import { catchError } from 'rxjs/operators';
+import { throwError } from 'rxjs';
+import { NotificationService } from './services/ui/notification.service';
@Injectable()
export class HttpRequestInterceptor implements HttpInterceptor {
- constructor(private injector: Injector) {}
+ constructor(private notificationService: NotificationService) {}
- intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+ intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
console.log('Interceptor Invoked' + request.url);
- return next.handle(request);
+ return next.handle(request).pipe(
+ catchError((error: HttpErrorResponse) => {
+ console.error("Error from error interceptor", error);
+
+ // show dialog for error message
+ this.notificationService.error(error.message);
+ return throwError(error);
+ })
+ ) as Observable<HttpEvent<any>>;
}
}