[init] init version

src/app/app.request.interceptor.ts

@@ -0,0 +1,31 @@
+import {Injectable} from '@angular/core';
+import {HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest} from '@angular/common/http';
+import {Router} from '@angular/router';
+import {AppService} from './app.service';
+import {catchError, Observable, throwError} from 'rxjs';
+
+
+@Injectable()
+export class AppRequestInterceptor implements HttpInterceptor {
+  constructor(private router: Router,private appService: AppService) {}
+  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    const token = this.appService.token();
+
+    if (token) {
+      request = request.clone({
+        setHeaders: {Authorization: `Bearer ${token}`}
+      });
+    }
+
+    return next.handle(request).pipe(
+      catchError((err) => {
+        if (err instanceof HttpErrorResponse) {
+          if (err.status === 401) {
+            this.router.navigate(['/auth']);
+          }
+        }
+        return throwError(err);
+      })
+    )
+  }
+}