Merge pull request #5177 from vvlladd28/improvement/interceptor/counter

[3.3.1] UI: Fixed load counter - requests were not counted when cancel them

@@ -14,21 +14,14 @@
 /// limitations under the License.
 ///
 
-import {
-  HttpErrorResponse,
-  HttpEvent,
-  HttpHandler,
-  HttpInterceptor,
-  HttpRequest,
-  HttpResponseBase
-} from '@angular/common/http';
+import { HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
 import { Observable } from 'rxjs/internal/Observable';
 import { Inject, Injectable } from '@angular/core';
 import { AuthService } from '@core/auth/auth.service';
 import { Constants } from '@shared/models/constants';
 import { InterceptorHttpParams } from './interceptor-http-params';
-import { catchError, delay, mergeMap, switchMap, tap } from 'rxjs/operators';
-import { throwError, of } from 'rxjs';
+import { catchError, delay, finalize, mergeMap, switchMap } from 'rxjs/operators';
+import { of, throwError } from 'rxjs';
 import { InterceptorConfig } from './interceptor-config';
 import { Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
@@ -62,17 +55,25 @@ export class GlobalHttpInterceptor implements HttpInterceptor {
     if (req.url.startsWith('/api/')) {
       const config = this.getInterceptorConfig(req);
       this.updateLoadingState(config, true);
+      let observable$: Observable<HttpEvent<any>>;
       if (this.isTokenBasedAuthEntryPoint(req.url)) {
         if (!AuthService.getJwtToken() && !this.authService.refreshTokenPending()) {
-          return this.handleResponseError(req, next, new HttpErrorResponse({error: {message: 'Unauthorized!'}, status: 401}));
+          observable$ = this.handleResponseError(req, next, new HttpErrorResponse({error: {message: 'Unauthorized!'}, status: 401}));
         } else if (!AuthService.isJwtTokenValid()) {
-          return this.handleResponseError(req, next, new HttpErrorResponse({error: {refreshTokenPending: true}}));
+          observable$ = this.handleResponseError(req, next, new HttpErrorResponse({error: {refreshTokenPending: true}}));
         } else {
-          return this.jwtIntercept(req, next);
+          observable$ = this.jwtIntercept(req, next);
         }
       } else {
-        return this.handleRequest(req, next);
+        observable$ = this.handleRequest(req, next);
       }
+      return observable$.pipe(
+        finalize(() => {
+          if (req.url.startsWith('/api/')) {
+            this.updateLoadingState(config, false);
+          }
+        })
+      );
     } else {
       return next.handle(req);
     }
@@ -83,43 +84,20 @@ export class GlobalHttpInterceptor implements HttpInterceptor {
     if (newReq) {
       return this.handleRequest(newReq, next);
     } else {
-      return this.handleRequestError(req, new Error('Could not get JWT token from store.'));
+      return throwError(new Error('Could not get JWT token from store.'));
     }
   }
 
   private handleRequest(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
     return next.handle(req).pipe(
-      tap((event: HttpEvent<any>) => {
-        if (event instanceof HttpResponseBase) {
-          this.handleResponse(req, event as HttpResponseBase);
-        }
-      }),
       catchError((err) => {
         const errorResponse = err as HttpErrorResponse;
         return this.handleResponseError(req, next, errorResponse);
       }));
   }
 
-  private handleRequestError(req: HttpRequest<any>, err): Observable<HttpEvent<any>> {
-    const config = this.getInterceptorConfig(req);
-    if (req.url.startsWith('/api/')) {
-      this.updateLoadingState(config, false);
-    }
-    return throwError(err);
-  }
-
-  private handleResponse(req: HttpRequest<any>, response: HttpResponseBase) {
-    const config = this.getInterceptorConfig(req);
-    if (req.url.startsWith('/api/')) {
-      this.updateLoadingState(config, false);
-    }
-  }
-
   private handleResponseError(req: HttpRequest<any>, next: HttpHandler, errorResponse: HttpErrorResponse): Observable<HttpEvent<any>> {
     const config = this.getInterceptorConfig(req);
-    if (req.url.startsWith('/api/')) {
-      this.updateLoadingState(config, false);
-    }
     let unhandled = false;
     const ignoreErrors = config.ignoreErrors;
     const resendRequest = config.resendRequest;