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import {Injectable} from '@angular/core';
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import {HttpClient} from '@angular/common/http';
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import {EnvProperties} from './properties/env-properties';
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import {Observable, of} from "rxjs";
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import {catchError, map} from "rxjs/operators";
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@Injectable({
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  providedIn: "root"
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})
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export class IndexInfoService {
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  constructor(private http: HttpClient) {
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  }
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  getLastIndexDate(properties: EnvProperties): Observable<any> {
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    let url = properties.indexInfoAPI;
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    return this.http.get((properties.useLongCache)? (properties.cacheUrl+encodeURIComponent(url)): url).pipe(map(res => res['claim_load_date'])).pipe(catchError(err => {return of(null)}));
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  }
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  getStatsLastDate(properties: EnvProperties): Observable<any> {
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    let url = properties.indexInfoAPI;
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    return this.http.get((properties.useLongCache)? (properties.cacheUrl+encodeURIComponent(url)): url).pipe(map(res => res['stats_update_date'])).pipe(catchError(err => {return of(null)}));
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  }
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  getLastOrcidUpdateDate(properties: EnvProperties): Observable<any> {
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    let url = properties.indexInfoAPI;
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    return this.http.get((properties.useLongCache)? (properties.cacheUrl+encodeURIComponent(url)): url).pipe(map(res => res['orcid_update_date'])).pipe(catchError(err => {return of(null)}));
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  }
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}
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