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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 {DataProviderInfo} from '../utils/entities/dataProviderInfo';
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import {OpenaireProperties} from '../utils/properties/openaireProperties';
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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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@Injectable()
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export class DataProviderService {
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constructor(private http: Http, public _cache: CacheService) {}
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dataProviderInfo: DataProviderInfo;
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getDataproviderInfo (id: string):any {
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console.info("getDataProviderInfo in service");
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let url = OpenaireProperties.getSearchAPIURLLast() + 'datasources/' +id +"?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 => this.parseDataProviderInfo(res));
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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['result']['metadata']['oaf:entity'])
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.map(res => [res['oaf:datasource'],
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res['oaf:datasource']['datasourcetype'],
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res['oaf:datasource']['openairecompatibility'],
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res['oaf:datasource']['accessinfopackage'],
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res['oaf:datasource']['rels']['rel']
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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 => this.parseDataProviderInfo(res));
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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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parseDataProviderInfo (data: any):any {
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this.dataProviderInfo = new DataProviderInfo();
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if(data[0] != null) {
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this.dataProviderInfo.title = {"name": data[0].officialname, "url": data[0].websiteurl};
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}
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if(data[1] != null) {
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this.dataProviderInfo.type = data[1].classname;
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if(data[1].classid == "entityregistry" || data[1].classid == "entityregistry::projects" || data[1].classid == "entityregistry::repositories") {
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this.dataProviderInfo.registry = true;
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console.info("true");
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} else {
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this.dataProviderInfo.registry = false;
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console.info("false");
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}
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console.info(this.dataProviderInfo.type);
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if(this.dataProviderInfo.tabs == undefined) {
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this.dataProviderInfo.tabs = new Array<{"name": string, "content": string}>();
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}
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if(this.dataProviderInfo.tabsInTypes.publicationsTab.has(data[1].classid)) {
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this.dataProviderInfo.tabs.push({"name": "Publications", "content": "publicationsTab"});
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}
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if(this.dataProviderInfo.tabsInTypes.datasetsTab.has(data[1].classid)) {
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this.dataProviderInfo.tabs.push({"name": "Datasets", "content": "datasetsTab"});
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}
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if(this.dataProviderInfo.tabsInTypes.projectsTab.has(data[1].classid)) {
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this.dataProviderInfo.tabs.push({"name": "Projects", "content": "projectsTab"});
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}
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if(this.dataProviderInfo.tabsInTypes.datasourcesTab.has(data[1].classid)) {
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this.dataProviderInfo.tabs.push({"name": "Datasources", "content": "datasourcesTab"});
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}
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this.dataProviderInfo.tabs.push({"name": "Organizations", "content": "organizationsTab"});
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if(this.dataProviderInfo.tabsInTypes.relatedDatasourcesTab.has(data[1].classid)) {
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this.dataProviderInfo.tabs.push({"name": "Related Data Providers", "content": "relatedDatasourcesTab"});
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}
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if(this.dataProviderInfo.tabsInTypes.statisticsTab.has(data[1].classid)) {
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this.dataProviderInfo.tabs.push({"name": "Statistics", "content": "statisticsTab"});
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}
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this.dataProviderInfo.tabs.push({"name": "Metrics", "content": "metricsTab"});
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if(this.dataProviderInfo.resultTypes.collectedFrom.has(data[1].classid)) {
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this.dataProviderInfo.resultsBy = "collectedFrom";
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} else if(this.dataProviderInfo.resultTypes.hostedBy.has(data[1].classid)) {
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this.dataProviderInfo.resultsBy = "hostedBy";
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}
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}
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if(!this.dataProviderInfo.registry) {
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if(data[2] != null) {
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this.dataProviderInfo.compatibility = data[2].classname;
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}
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if(data[3] != null) {
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let oaiPmhURL: string;
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if(Array.isArray(data[3])) {
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oaiPmhURL = data[3][0];
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}
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else {
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oaiPmhURL = data[3];
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}
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if(oaiPmhURL != '' && oaiPmhURL != 'unknown') {
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this.dataProviderInfo.oaiPmhURL = oaiPmhURL;
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}
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}
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}
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if(data[4] != null) {
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let mydata;
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let counter = 0;
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let countriesSet: Set<string>;
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let length = data[4].length!=undefined ? data[4].length : 1;
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for(let i=0; i<length; i++) {
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mydata = data[4].length!=undefined ? data[4][i] : data[4];
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if(mydata.hasOwnProperty("to")) {
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if(mydata['to'].class == "provides" && mydata['to'].type == "organization") {
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//if(this.dataProviderInfo.organizations == undefined) {
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if(this.dataProviderInfo.organizations.length == 0) {
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//this.dataProviderInfo.organizations = new Array<{"name": string, "url": string}>();
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this.dataProviderInfo.countries = new Array<string>();
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countriesSet = new Set<string>();
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}
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this.dataProviderInfo.organizations[counter] = {"name": "", "url": ""};
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this.dataProviderInfo.organizations[counter]['name'] = mydata.legalname;
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this.dataProviderInfo.organizations[counter]['url'] = OpenaireProperties.getsearchLinkToOrganization()+mydata['to'].content;
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if(mydata.country != '' && mydata['country'].classname != '') {
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if(!countriesSet.has(mydata['country'].classname)) {
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this.dataProviderInfo.countries.push(mydata['country'].classname);
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countriesSet.add(mydata['country'].classname);
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}
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}
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counter++;
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}
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}
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}
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}
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//this.printPublicationInfo();
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return this.dataProviderInfo;
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}
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printDataProviderInfo() {
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}
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}
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