--- /dev/null
+/* Copyright (c) 2019 AT&T Intellectual Property. #\r
+# #\r
+# Licensed under the Apache License, Version 2.0 (the "License"); #\r
+# you may not use this file except in compliance with the License. #\r
+# You may obtain a copy of the License at #\r
+# #\r
+# http://www.apache.org/licenses/LICENSE-2.0 #\r
+# #\r
+# Unless required by applicable law or agreed to in writing, software #\r
+# distributed under the License is distributed on an "AS IS" BASIS, #\r
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #\r
+# See the License for the specific language governing permissions and #\r
+# limitations under the License. #\r
+##############################################################################*/\r
+\r
+\r
+import { Injectable } from '@angular/core';\r
+import { HttpRequest, HttpHandler, HttpEvent, HttpInterceptor } from '@angular/common/http';\r
+import { Observable, throwError } from 'rxjs';\r
+import { catchError } from 'rxjs/operators';\r
+import { Router } from '@angular/router';\r
+import { AuthService } from './shared/services/auth.service';\r
+\r
+\r
+@Injectable()\r
+export class ErrorInterceptor implements HttpInterceptor {\r
+ constructor(private auth: AuthService, private router: Router) {}\r
+\r
+ intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {\r
+ return next.handle(request).pipe(catchError(err => {\r
+ if (err.status === 401) {\r
+ // auto logout if 401 response returned from api\r
+ this.auth.logout();\r
+ this.router.navigateByUrl('/login');\r
+ }\r
+ \r
+ const error = err.error.message || err.statusText;\r
+ return throwError(error);\r
+ }))\r
+ }\r
+}
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