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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 '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 { CacheService } from '../shared/cache.service';
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import {OpenaireProperties} from '../utils/properties/openaireProperties';
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import {SearchResult} from '../utils/entities/searchResult';
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import {RefineResultsUtils} from './servicesUtils/refineResults.class';
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@Injectable()
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export class SearchProjectsService {
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private sizeOfDescription: number = 497;
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constructor(private http: Http, public _cache: CacheService) {}
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searchProjects (params: string, refineParams:string, page: number, size: number, refineFields:string[] ):any {
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console.info("In searchProjects");
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let link = OpenaireProperties.getSearchAPIURLLast()+"projects";
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let url = link+"?";
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if(params!= null && params != '' ) {
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url += params;
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}
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if(refineParams!= null && refineParams != '' ) {
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url += refineParams;
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}
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url += "&page="+(page-1)+"&size="+size + "&format=json";
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let key = url;
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key)).map(res => [res['meta'].total, this.parseResults(res['results']),RefineResultsUtils.parse(res['refineResults'],refineFields, "project")]);
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}
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return this.http.get(url)
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.map(res => <any> res.json())
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//.do(res => console.info(res))
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.do(res => {
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this._cache.set(key, res);
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})
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.map(res => [res['meta'].total, this.parseResults(res['results']),RefineResultsUtils.parse(res['refineResults'],refineFields, "project")]);
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}
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getProjectsforDataProvider (datasourceId: string, page: number, size: number ):any {
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let url = OpenaireProperties.getSearchResourcesAPIURL();
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var basicQuery = "(oaftype exact project) "
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url += "?query=";
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if(datasourceId!= null && datasourceId != '' ) {
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url +=" ( "+basicQuery+ " ) " +" and (collectedfromdatasourceid exact \"" + datasourceId + "\")";
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}else{
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url +=" ( "+basicQuery+ " ) ";
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}
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url += "&page="+(page-1)+"&size="+size;
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url += "&format=json";
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let key = url;
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key)).map(res => [res['meta'].total, this.parseResults(res['results'])]);
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}
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return this.http.get(url)
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.map(res => <any> res.json())
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.do(res => {
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this._cache.set(key, res);
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})
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.map(res => [res['meta'].total, this.parseResults(res['results'])]);
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}
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advancedSearchProjects (params: string, page: number, size: number ):any {
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let url = OpenaireProperties.getSearchResourcesAPIURL();
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var basicQuery = "(oaftype exact project) "
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url += "?query=";
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if(params!= null && params != '' ) {
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url +=" ( "+basicQuery+ " ) " +" and (" + params + ")";
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}else{
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url +=" ( "+basicQuery+ " ) ";
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}
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url += "&page="+(page-1)+"&size="+size;
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url += "&format=json";
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let key = url;
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key)).map(res => [res['meta'].total, this.parseResults(res['results'])]);
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}
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return this.http.get(url)
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.map(res => <any> res.json())
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//.do(res => console.info(res))
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.do(res => {
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this._cache.set(key, res);
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})
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.map(res => [res['meta'].total, this.parseResults(res['results'])]);
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}
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getFunders():any {
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let url = OpenaireProperties.getSearchAPIURLLast()+"projects?refine=true&fields=funderid&size=0"+ "&format=json";;
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let key = url;
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key)).map(res => [res['meta'].total, res['refineResults']['funderid']]);
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}
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return this.http.get(url)
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.map(res => <any> res.json())
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.do(res => {
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this._cache.set(key, res);
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})
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.map(res => [res['meta'].total, res['refineResults']['funderid']]);
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}
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searchForProjectsObs(keyword:string, funderId:string):any {
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let url = 'search?action=search&sTransformer=projects_openaire&query='+
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'%28oaftype+exact+project%29+and+%28%28projecttitle+%3D+%22'+keyword+'%22%29+or+%28projectacronym+%3D+%22'+keyword+'%22%29+or+%28projectcode+%3D+%22'+keyword+'%22%29%29+and+%28funderid+exact+'+funderId+'%29&size=10&locale=en_GB&format=json';
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let key = url;
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key));
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}
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return this.http.get(url).toPromise()
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.then(request =>{
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return (request.json().response.results)?request.json().response.results.result:request.json().response.result;
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}) ;
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}
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parseResults(data: any): SearchResult[] {
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let results: SearchResult[] = [];
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let length = Array.isArray(data) ? data.length : 1;
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for(let i=0; i<length; i++) {
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let resData = Array.isArray(data) ? data[i]['result']['metadata']['oaf:entity']['oaf:project'] : data['result']['metadata']['oaf:entity']['oaf:project'];
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var result: SearchResult = new SearchResult();
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result['title'] = {"name": '', "url": '', "accessMode": ''};
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if(Array.isArray(resData['title'])) {
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// resData['title'][0].hasOwnProperty("content") {
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result['title'].name = resData['title'][0];
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// }
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} else {
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// resData['title'].hasOwnProperty("content") {
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result['title'].name = resData['title'];
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// }
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}
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// if(resData['title'].hasOwnProperty("content")) {
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// result['title'].name = resData['title'].content;
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// }
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result['title'].url = OpenaireProperties.getsearchLinkToProject();
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result['title'].url += Array.isArray(data) ? data[i]['result']['header']['dri:objIdentifier'] : data['result']['header']['dri:objIdentifier'];
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if(resData['rels'].hasOwnProperty("rel")) {
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let relLength = Array.isArray(resData['rels']['rel']) ? resData['rels']['rel'].length : 1;
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for(let j=0; j<relLength; j++) {
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let relation = Array.isArray(resData['rels']['rel']) ? resData['rels']['rel'][j] : resData['rels']['rel'];
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if(relation.hasOwnProperty("to")) {
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if(relation['to'].class == "hasParticipant") {
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if(result['organizations'] == undefined) {
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result['organizations'] = new Array<
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{ "name": string, "url": string}>();
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}
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let countOrganizations = result['organizations'].length;
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result['organizations'][countOrganizations] = { "name": "", "url": "" }
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result['organizations'][countOrganizations]['url'] =
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OpenaireProperties.getsearchLinkToOrganization() + relation['to'].content;
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result['organizations'][countOrganizations]['name'] = relation.legalname;
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}
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}
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}
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}
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if(resData.hasOwnProperty("fundingtree")) {
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if(result['funders'] == undefined) {
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result['funders'] = new Array<
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{"funderShortname": string, "funderName": string}>();
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}
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let fundingLength = Array.isArray(resData['fundingtree']) ? resData['fundingtree'].length : 1;
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for(let z=0; z<fundingLength; z++) {
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let fundingData = Array.isArray(resData['fundingtree']) ? resData['fundingtree'][z] : resData['fundingtree'];
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let countFunders = result['funders'].length;
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if(fundingData.hasOwnProperty("funder")) {
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result['funders'][countFunders] = {"funderShortname": "", "funderName": ""};
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result['funders'][countFunders]['funderShortname'] = fundingData['funder'].shortname;
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result['funders'][countFunders]['funderName'] = fundingData['funder'].name;
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}
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}
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}
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if(resData.hasOwnProperty("startdate")) {
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result.startYear = resData.startdate.split('-')[0];
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}
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if(resData.hasOwnProperty("enddate")) {
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result.endYear = resData.enddate.split('-')[0];
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}
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results.push(result);
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}
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return results;
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}
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numOfEntityProjects(id: string, entity: string):any {
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//OpenaireProperties.getSearchAPIURLLast()
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//"http://rudie.di.uoa.gr:8080/dnet-functionality-services-2.0.0-SNAPSHOT/rest/v2/api/"
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let url = OpenaireProperties.getSearchAPIURLLast()+entity+id+"/projects/count"+ "?format=json";
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let key = url;
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key));
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}
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return this.http.get(url)
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.map(res => <any> res.json())
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.map(res => res.total)
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.do(res => {
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this._cache.set(key, res);
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});
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}
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numOfSearchProjects(params: string):any {
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//OpenaireProperties.getSearchAPIURLLast()
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//"http://rudie.di.uoa.gr:8080/dnet-functionality-services-2.0.0-SNAPSHOT/rest/v2/api/"
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let url = OpenaireProperties.getSearchAPIURLLast()+"projects/count?q="+'"' + params + '"'+ "&format=json";
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let key = url;
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key));
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}
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return this.http.get(url)
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.map(res => <any> res.json())
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.map(res => res.total)
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.do(res => {
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this._cache.set(key, res);
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});
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}
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}
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