From ccb2f009dbb1e9458a30809f22efd70bf3e567fe Mon Sep 17 00:00:00 2001
From: Abhay Chawla <abhay.chawla97@gmail.com>
Date: Sat, 21 Jul 2018 21:57:10 +0530
Subject: [PATCH] fix(progress-bar): stop loading in case of error (#142)

Stop progress bar loading indicator in case of an HTTP Error Response.

Fixes #141
---
 src/app/core/progress.interceptor.ts | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/app/core/progress.interceptor.ts b/src/app/core/progress.interceptor.ts
index 19fea0c3c..3c5130627 100644
--- a/src/app/core/progress.interceptor.ts
+++ b/src/app/core/progress.interceptor.ts
@@ -2,7 +2,7 @@ import { Injectable } from '@angular/core';
 import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest, HttpResponse} from '@angular/common/http';
 
 import { Observable } from 'rxjs';
-import { tap } from 'rxjs/operators';
+import { tap, catchError } from 'rxjs/operators';
 
 import { ProgressBarService } from './progress-bar.service';
 
@@ -13,13 +13,19 @@ export class ProgressInterceptor implements HttpInterceptor {
 
   intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
     this.progressBarService.increase();
-    return next
-      .handle(request).pipe(
+    return next.handle(request)
+      .pipe(
         tap(event => {
           if (event instanceof HttpResponse) {
             this.progressBarService.decrease();
           }
         })
+      )
+      .pipe(
+        catchError(error => {
+          this.progressBarService.decrease();
+          throw error;
+        })
       );
   }