make interceptor redirect to login page and after login redirect back to what you get 401

client/src/app/core/interceptors/error.interceptor.ts

@@ -9,10 +9,11 @@ import {
 } from '@angular/common/http';
 import { Observable, catchError, throwError } from 'rxjs';
 import { Router } from '@angular/router';
+import { UserService } from '../services/user.service';
 
 @Injectable({ providedIn: 'root' })
 export class ErrorInterceptor implements HttpInterceptor {
-  constructor(private router: Router) {}
+  constructor(private router: Router, private userService: UserService) {}
 
   intercept(
     request: HttpRequest<unknown>,
@@ -21,10 +22,12 @@ export class ErrorInterceptor implements HttpInterceptor {
     return next.handle(request).pipe(
       catchError((error) => {
         if (error instanceof HttpErrorResponse) {
+          console.log('HTTP Response Error', error);
           if (error.status == HttpStatusCode.Unauthorized) {
+            this.userService.purgeAuth();
             this.router.navigate(['/login'], {
               queryParams: {
-                redirectUrl: request.url,
+                redirectUrl: this.router.url,
               },
             });
           }