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tln-query.service.ts
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Sat, Sep 28, 04:29
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rNIETZSCHEBETAAPP Nietzsche-Beta-App
tln-query.service.ts
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import { Injectable, EventEmitter } from '@angular/core';
import {HttpClient, HttpHeaders} from '@angular/common/http';
import { Observable } from 'rxjs';
import { TlnQueryServiceInterface } from './models';
/**
* This is the internal query service
* that communicates with the SPARQL-endpoint.
* */
@Injectable()
export class TlnQueryService implements TlnQueryServiceInterface {
//baseUrl = 'http://localhost:3030/nietzsche/query';
baseUrl = 'https://nietzsche.fuseki.services.dasch.swiss/nietzsche'
reset_data = new EventEmitter<string>();
constructor(private http: HttpClient) { }
public resetData(key: string){
this.reset_data.emit(key);
}
/**
* Gets the data from an endpoint via http post
*
* @param query: The query to run.
* @returns response
*/
public getData(query: string): Observable<any> {
let httpOptions = {
headers: new HttpHeaders(
{ 'Content-Type': 'application/sparql-query',
'Accept': 'application/sparql-results+json; charset=UTF-8'}
)
};
return this.http.post(this.baseUrl, query, httpOptions);
}
}
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