interactive-mining/interactive-mining-angular-.../src/app/configuration/configuration.service.ts

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import {Injectable} from '@angular/core';
import {HttpClient, HttpHeaders, HttpParams} from '@angular/common/http';
import { Observable } from 'rxjs';
import {Settings} from './settings/settings';
import {DocSamplesMetadata} from './doc-samples-metadata';
import {Util} from '../util';
import { map, catchError } from 'rxjs/operators';
@Injectable()
export class ConfigurationService {
private util: Util = new Util();
private userId = '';
private backendServerAddress = '';
private getDocSamplesUrl = '/getdocsamples';
private uploadDocumentsUrl = '/uploaddocuments';
private chooseSampleUrl = '/choosedocsample';
private alreadyDocumentsUrl = '/alreadydocuments';
private runMiningUrl = '/runmining';
private prepareSavedProfileUrl = '/preparesavedprofile';
constructor(private http: HttpClient) {
this.userId = this.util.getUserId();
this.backendServerAddress = this.util.getBackendServerAddress();
}
getDocSamples(): Observable<DocSamplesMetadata[]> {
return this.http.get(this.backendServerAddress + this.getDocSamplesUrl + `?user=${this.userId}`)
.pipe(map(data => data['documents']))
.pipe(catchError(this.util.handleError));
}
uploadDocuments(file: File): Observable<number> {
const formData: FormData = new FormData();
formData.append('upload', file, file.name);
formData.append('user', this.userId);
const params = new HttpParams();
const options = {
headers: new HttpHeaders().set('Accept', 'application/json').delete('Content-Type'),
params: params,
reportProgress: true
};
return this.http.post(this.backendServerAddress + this.uploadDocumentsUrl, formData, options)
.pipe(map(res => res['data']))
.pipe(catchError(this.util.handleError));
}
chooseDocumentsSample(choise: string): Observable<number> {
return this.http.post(this.backendServerAddress + this.chooseSampleUrl, {user: this.userId, docsample: choise})
.pipe(map(res => res['data']))
.pipe(catchError(this.util.handleError));
}
getLoadedDocumentsNumber(): Observable<any> {
return this.http.get(this.backendServerAddress + this.alreadyDocumentsUrl + `?user=${this.userId}`)
.pipe(catchError(this.util.handleError));
}
runMining(parameters: Settings): Observable<any> {
return this.http.post(this.backendServerAddress + this.runMiningUrl,
{user: this.userId, parameters: parameters})
.pipe(catchError(this.util.handleError));
}
saveProfileParameters(parameters: Settings): Observable<any> {
const concepts = localStorage.getItem('concepts');
return this.http.post(this.backendServerAddress + this.prepareSavedProfileUrl,
{user: this.userId, concepts: concepts, parameters: parameters})
.pipe(catchError(this.util.handleError));
}
}