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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 {RefineResultsUtils} from './servicesUtils/refineResults.class';
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import{EnvProperties} from '../utils/properties/env-properties';
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@Injectable()
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export class RefineFieldResultsService {
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constructor(private http: Http ) {}
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getRefineFieldsResultsByEntityName(fields:string[], entityName:string, properties:EnvProperties, communityQuery=null):any{
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let url = properties.searchAPIURLLAst + this.getSearchAPIURLForEntity(entityName)+"?format=json&refine=true&page=1&size=0";
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for(var i=0; i < fields.length; i++){
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url += "&fields="+fields[i];
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}
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if(communityQuery!= null && communityQuery != '' ) {
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url += communityQuery;
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}
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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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.map(res => [res['meta'].total, RefineResultsUtils.parse(res['refineResults'],fields, entityName)]);
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}
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getRefineFieldResultsByFieldName(fieldName:string, entityName:string, properties:EnvProperties):any{
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let link = properties.searchAPIURLLAst +this.getSearchAPIURLForEntity(entityName)+"?fields="+fieldName + "&format=json";
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return this.getField(link,fieldName, properties);
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}
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getField (link:string,fieldName:string, properties:EnvProperties):any{
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let url = link+"&refine=true&page=1&size=0";
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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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.map(res => res['refineResults'])
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.map(res => this.parse(res,fieldName));
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}
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parse(data: any,fieldName:string):any {
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var values:AutoCompleteValue[] = [];
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if(data){
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let field = data[fieldName];
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for(let i=0; i<field.length; i++) {
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var value:AutoCompleteValue = new AutoCompleteValue();
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value.label = field[i].name;
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value.label = RefineResultsUtils.inParenthesisThePartAfterCharacters(field[i],"||");
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value.id = field[i].id;
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values.push(value);
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}
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}
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return values;
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}
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getSearchAPIURLForEntity(entityType:string):string{
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var suffix = "";
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if(entityType == "project"){
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suffix="projects/";
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}else if(entityType == "publication"){
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suffix="publications/";
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}else if(entityType == "dataset"){
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suffix="datasets/";
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} else if(entityType == "software"){
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suffix="software/";
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} else if(entityType == "other"){
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suffix="other/";
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}else if(entityType == "organization"){
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suffix="organizations/";
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}else if(entityType == "dataprovider"){
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suffix="datasources/";
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}else if(entityType == "person"){
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suffix="people/";
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}
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return suffix;
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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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