import {Injectable} from '@angular/core'; import {Http, Response, Headers} from '@angular/http'; import {HttpClient, HttpErrorResponse} from "@angular/common/http"; import {Observable, throwError} from 'rxjs'; import {map, tap} from "rxjs/operators"; @Injectable() export class ReportsService { // url:string = "http://beta.services.openaire.eu:8480/search/rest/v2/api/publications?format=csv&page=0&size=3&q=(%22test%22)&fq=instancetypename%20exact%20%22Dataset%22"; constructor(private http: HttpClient) {} //On the service: downloadCSVFile(url: string){ //var headers = new Headers(); //headers.append('responseType', 'arraybuffer'); return this.http.get(url, {responseType: 'text'}) .pipe(map(res => new Blob([res], { type: 'text/csv' }))); } getCSVResponse(url: string){ //var headers = new Headers(); //headers.append('responseType', 'arraybuffer'); return this.http.get(url, {responseType: 'text'}); //.pipe(map(res => res)); } /** * @deprecated not used */ downloadHTMLFile(url: string, info: string){ //var headers = new Headers(); //headers.append('responseType', 'arraybuffer'); return this.http.get(url) .pipe(map(res => this.addInfo(res, info))) .pipe(map(res => new Blob([res['_body']], { type: 'text/html' }))) .pipe(tap(res => console.log(res))) } /** * @deprecated not used */ addInfo(res:any, info:string) { /* var para = res.document.createElement("P"); // Create a

element var t = res.document.createTextNode("This is a paragraph"); // Create a text node para.appendChild(t); // Append the text to

res.document.body.appendChild(para); */ res['_body'] = info+res['_body']; return res; } private handleError (error: HttpErrorResponse) { // in a real world app, we may send the error to some remote logging infrastructure // instead of just logging it to the console console.log(error); return throwError(error || 'Server error'); } }