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import {Injectable} from '@angular/core';
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import {Http, Response} from '@angular/http';
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import {Observable} from 'rxjs/Observable';
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import {AutoCompleteValue} from '../../searchPages/searchUtils/searchHelperClasses.class';
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import 'rxjs/add/observable/of';
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import 'rxjs/add/operator/do';
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import 'rxjs/add/operator/share';
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import {OpenaireProperties} from '../../utils/properties/openaireProperties';
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@Injectable()
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export class ISVocabulariesService {
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private api =OpenaireProperties.getVocabulariesAPI();
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constructor(private http: Http ) {}
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getVocabularyByType(field:string,entity:string):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);
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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);
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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);
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}else if( field == "access" && (entity == "publication" || entity == "dataset")){
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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);
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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);
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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);
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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);
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}
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return null;
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}
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// getVocabularyFromFile (file:string):AutoCompleteValue[] {
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// var lang = JSON.parse(JSON.stringify(require('../utils/vocabularies/'+file)));
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// return this.parse(lang["terms"]);
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// }
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getVocabularyFromService (vocabularyName:string):any {
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let url = this.api + vocabularyName;
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console.log(url);
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// return this.http.get(url).toPromise()
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// .then(request =>
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// {
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// request = request.json()['terms'];
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// var results:AutoCompleteValue[] = this.parse(request);
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// console.log("Get vocabulary : "+ vocabularyName+ " - get " +results.length+ "results");
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// return results;
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// });
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return this.http.get((OpenaireProperties.isCacheEnabled())? (OpenaireProperties.getCacheUrl()+encodeURIComponent(url)): url)
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.do(res => console.log(res))
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.map(res => <any> res.json())
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.map(res => res['terms'])
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.do(res => console.log(res))
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.map(res => this.parse(res))
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.do(res => console.log(res))
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.catch(this.handleError);
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}
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parse (data: any):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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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: Response) {
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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 Observable.throw(error || 'Server error');
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}
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}
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