65 lines
1.9 KiB
TypeScript
Executable File
65 lines
1.9 KiB
TypeScript
Executable File
import UIkit from 'uikit';
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import {HttpErrorResponse, HttpResponse} from '@angular/common/http';
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import {ErrorObservable} from 'rxjs/observable/ErrorObservable';
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import { environment } from '../environments/environment';
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import {throwError} from 'rxjs/internal/observable/throwError';
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import {saveAs} from 'file-saver';
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export class Util {
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public handleError (err: HttpErrorResponse): ErrorObservable<never> {
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if (err.error instanceof Error) {
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console.error('Client-side error occured.');
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} else {
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console.error('Server-side error occured.');
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}
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console.log(err);
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UIkit.notification({
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message: err.message,
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status: 'danger',
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pos: 'top-center',
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timeout: 0
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});
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return throwError(err || 'Server error');
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}
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public getUserId(): string {
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return localStorage.getItem('user_id');
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}
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public getBackendServerAddress(): string {
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if (localStorage.getItem('mining_backend_address')) {
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return localStorage.getItem('mining_backend_address');
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} else {
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return environment.miningbackendserveraddress;
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}
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}
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public getIsCommunityManager(): string {
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return localStorage.getItem('isCommunityManager');
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}
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}
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/**
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* Saves a file by opening file-save-as dialog in the browser
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* using file-save library.
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* @param blobContent file content as a Blob
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* @param fileName name file should be saved as
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*/
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export const saveFile = (blobContent: Blob, fileName: string) => {
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const blob = new Blob([blobContent], { type: 'application/octet-stream' });
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saveAs(blob, fileName);
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};
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/**
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* Derives file name from the http response
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* by looking inside content-disposition
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* @param res http Response
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*/
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export const getFileNameFromResponseContentDisposition = (res: HttpResponse<any>) => {
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const contentDisposition = res.headers.get('content-disposition') || '';
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const matches = /filename=([^;]+)/ig.exec(contentDisposition);
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const fileName = (matches[1] || 'untitled').trim();
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return fileName;
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};
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