import { Injectable } from '@angular/core';
import { HttpRequest, HttpHandler, HttpEvent, HttpInterceptor } from '@angular/common/http';
import { Observable, throwError } from 'rxjs';
import { catchError } from 'rxjs/operators';
import { AuthenticationService } from '@app/_services';
@Injectable()
export class ErrorInterceptor implements HttpInterceptor {
constructor(private authenticationService: AuthenticationService) { }
intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
return next.handle(request).pipe(catchError(err => {
if (err.status === 401) {
// auto logout if 401 response returned from api
this.authenticationService.logout();
}
const error = err.error.message || err.statusText;
return throwError(error);
}))
}
}
