49 lines
1.7 KiB
TypeScript
49 lines
1.7 KiB
TypeScript
import {Injectable, isDevMode} from '@angular/core';
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import {
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HttpRequest,
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HttpHandler,
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HttpEvent,
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HttpInterceptor, HttpErrorResponse
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} from '@angular/common/http';
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import {Observable, throwError} from 'rxjs';
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import {catchError, retry} from 'rxjs/operators';
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import {ErrorDialogService, LoggingService} from '@app/_services';
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import {Router} from '@angular/router';
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@Injectable()
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export class ErrorInterceptor implements HttpInterceptor {
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constructor(
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private errorDialogService: ErrorDialogService,
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private loggingService: LoggingService,
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private router: Router
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) {}
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intercept(request: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
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return next.handle(request).pipe(
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catchError((err: HttpErrorResponse) => {
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let errorMessage;
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if (err.error instanceof ErrorEvent) {
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// A client-side or network error occurred. Handle it accordingly.
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errorMessage = `An error occurred: ${err.error.message}`;
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} else {
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// The backend returned an unsuccessful response code.
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// The response body may contain clues as to what went wrong.
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errorMessage = `Backend returned code ${err.status}, body was: ${JSON.stringify(err.error)}`;
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}
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this.loggingService.sendErrorLevelMessage(errorMessage, this, {error: err});
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switch (err.status) {
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case 401: // unauthorized
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this.router.navigateByUrl('/auth').then();
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break;
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case 403: // forbidden
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location.reload(true);
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break;
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}
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// Return an observable with a user-facing error message.
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return throwError(err);
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})
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);
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}
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}
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