40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
import { Injectable } 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,
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HttpErrorResponse
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} from '@angular/common/http';
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import { Observable, throwError } from 'rxjs';
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import { apiRetry } from '../api-utils';
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import { retry, catchError } from 'rxjs/operators';
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import { MessageService } from '../services/message.service';
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@Injectable()
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export class ErrorInterceptor implements HttpInterceptor {
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constructor(private messageService: MessageService) { }
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intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
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return next.handle(request)
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.pipe(
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retry(apiRetry),
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catchError((error: HttpErrorResponse) => {
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let errorMsg: string;
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if (error.error instanceof ErrorEvent) {
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// Client side
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errorMsg = `Error: ${error.error.message}`;
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} else {
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// Server side
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errorMsg = `Error Status: ${error.status}\nMessage: ${error.message}`;
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}
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console.log(errorMsg);
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this.messageService.add(errorMsg);
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return throwError(errorMsg);
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})
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)
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}
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}
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