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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 {PersonInfo} from '../../utils/entities/personInfo';
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import {OpenaireProperties} from '../../utils/properties/openaireProperties'
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export function hashCodeString(str: string): string {
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let hash = 0;
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if (str.length === 0) {
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return hash + '';
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}
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for (let i = 0; i < str.length; i++) {
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let char = str.charCodeAt(i);
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hash = ((hash << 5) - hash) + char;
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hash = hash & hash; // Convert to 32bit integer
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}
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return hash + '';
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}
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@Injectable()
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export class PersonService {
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constructor(private http: Http, public _cache: CacheService) {}
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personInfo: PersonInfo;
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getPersonInfo (id: string):any {
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console.info("getPersonInfo in service");
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let url = OpenaireProperties. getSearchAPIURLLast()+'people/'+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.parsePersonInfo(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']['oaf:person'])
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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.parsePersonInfo(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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parsePersonInfo (data: any):any {
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console.info("parsePersonInfo");
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this.personInfo = new PersonInfo();
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if(data != null) {
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if(data.hasOwnProperty('firstname')) {
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this.personInfo.firstname = data.firstname;
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}
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if(data.hasOwnProperty('secondnames')) {
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this.personInfo.secondnames = data.secondnames;
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}
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if(data.hasOwnProperty('fullname')) {
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this.personInfo.fullname = data.fullname;
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}
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}
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return this.personInfo;
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}
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}
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