openaire-library/services/reports.service.ts

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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 <p> element
var t = res.document.createTextNode("This is a paragraph"); // Create a text node
para.appendChild(t); // Append the text to <p>
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');
}
}