src.app.shared.error-interceptor.service.ts Maven / Gradle / Ivy
/**
* Copyright 2017-2023 Enedis
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { Injectable } from '@angular/core';
import { HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Router } from '@angular/router';
import { TranslateService } from '@ngx-translate/core';
import { EMPTY, Observable, throwError } from 'rxjs';
import { catchError } from 'rxjs/operators';
import { LoginService } from '@core/services';
import { AlertService } from '@shared';
@Injectable({
providedIn: 'root'
})
export class ErrorInterceptor implements HttpInterceptor {
private sessionExpiredMessage: string = '';
constructor(
private router: Router,
private loginService: LoginService,
private alertService: AlertService,
private translateService: TranslateService
) {
this.initTranslation();
}
intercept(request: HttpRequest, next: HttpHandler): Observable> {
if (request.headers.get('no-intercept-error') === '') {
const newHeaders = request.headers.delete('no-intercept-error')
const newRequest = request.clone({ headers: newHeaders });
return next.handle(newRequest);
} else {
return next.handle(request).pipe(
catchError(
(err: any) => {
if (err instanceof HttpErrorResponse) {
if (err.status === 401 || err.status === 403) {
if (this.loginService.isAuthenticated()) {
this.loginService.logout();
this.alertService.error(this.sessionExpiredMessage, { timeOut: 0, extendedTimeOut: 0, closeButton: true });
} else {
const requestURL = this.router.url !== undefined ? this.router.url : '';
this.loginService.initLogin(requestURL);
}
return EMPTY;
}
}
return throwError(err);
}
)
);
}
}
private initTranslation() {
this.getTranslation();
this.translateService.onLangChange.subscribe(() => {
this.getTranslation();
});
}
private getTranslation() {
this.translateService.get('login.expired').subscribe((res: string) => {
this.sessionExpiredMessage = res;
});
}
}