101 lines
4.0 KiB
TypeScript
101 lines
4.0 KiB
TypeScript
import {Injectable} from '@angular/core';
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import {Http, Response} from '@angular/http';
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import {HttpClient, HttpErrorResponse} from "@angular/common/http";
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import {Observable, throwError, of} from 'rxjs';
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import {AutoCompleteValue} from '../../searchPages/searchUtils/searchHelperClasses.class';
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import {EnvProperties} from '../properties/env-properties';
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import {catchError, map} from "rxjs/operators";
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@Injectable()
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export class ISVocabulariesService {
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constructor(private http: HttpClient) {
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}
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getVocabularyByType(field: string, entity: string, properties: EnvProperties): any {
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//console.log("getVocabulary field: "+ field + " for entity: "+ entity);
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var file = "";
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var vocabulary = "";
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if (field == "lang") {
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// file="languages.json";
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// return this.getVocabularyFromFile(file);
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vocabulary = "dnet:languages.json";
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return this.getVocabularyFromService(vocabulary, properties);
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} else if (field == "type" && (entity == "publication")) {
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// file = "publicationTypes.json";
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// return this.getVocabularyFromFile(file);
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vocabulary = "dnet:publication_resource.json";
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return this.getVocabularyFromService(vocabulary, properties);
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} else if (field == "type" && (entity == "dataset")) {
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// file = "dnet:dataCite_resource.json";
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// return this.getVocabularyFromFile(file);
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vocabulary = "dnet:dataCite_resource.json";
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return this.getVocabularyFromService(vocabulary, properties);
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} else if (field == "type" && (entity == "software" || entity == "other")) {
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return of([]);
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} else if (field == "access" && (entity == "publication" || entity == "dataset" || entity == "software" || entity == "other" || entity == "result")) {
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// file= "accessMode.json";
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// return this.getVocabularyFromFile(file);
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vocabulary = "dnet:access_modes.json";
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return this.getVocabularyFromService(vocabulary, properties);
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} else if ((field == "type") && (entity == "dataprovider")) {
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// file = "dataProviderType.json";
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// return this.getVocabularyFromFile(file);
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vocabulary = "dnet:datasource_typologies.json";
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return this.getVocabularyFromService(vocabulary, properties);
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} else if (field == "compatibility" && (entity == "dataprovider")) {
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// file = "dataProviderCompatibility.json";
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// return this.getVocabularyFromFile(file);
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vocabulary = "dnet:datasourceCompatibilityLevel.json";
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return this.getVocabularyFromService(vocabulary, properties);
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} else if (field == "country") {
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// file = "countries.json";
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// return this.getVocabularyFromFile(file);
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vocabulary = "dnet:countries.json";
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return this.getVocabularyFromService(vocabulary, properties);
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}
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return null;
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}
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getVocabularyFromService(vocabularyName: string, properties: EnvProperties): any {
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let url = properties.vocabulariesAPI + vocabularyName;
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return this.http.get((properties.useCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url)
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//.map(res => <any> res.json())
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.pipe(map(res => res['terms']))
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.pipe(map(res => this.parse(res, vocabularyName)))
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.pipe(catchError(this.handleError));
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}
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parse(data: any, vocabularyName: string): AutoCompleteValue[] {
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var array: AutoCompleteValue[] = []
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for (var i = 0; i < data.length; i++) {
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var value: AutoCompleteValue = new AutoCompleteValue();
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value.id = data[i].englishName;//data[i].code;
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if (vocabularyName == 'dnet:countries.json') { //use Country code instead of country name
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value.id = data[i].code;
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}
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value.label = data[i].englishName;
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array.push(value);
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}
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return array;
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}
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private handleError(error: HttpErrorResponse) {
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// in a real world app, we may send the error to some remote logging infrastructure
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// instead of just logging it to the console
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console.log(error);
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return throwError(error || 'Server error');
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}
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}
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