searchPages/searchUtils/newSearchPage.component.ts

@@ -218,7 +218,7 @@ export class NewSearchPageComponent implements OnInit, OnDestroy, OnChanges {
       }
     }
     if (typeof document !== 'undefined') {
-      this.subscriptions.push(this.indexInfoService.getLastIndexDate(this.properties).subscribe(lastIndexUpdate => {
+      this.subscriptions.push(this.indexInfoService.lastIndexDate.subscribe(lastIndexUpdate => {
         if (lastIndexUpdate) {
           this.indexUpdateDate = new Date(lastIndexUpdate);
         }

utils/indexInfo.service.ts

@@ -1,21 +1,34 @@
 import {Injectable} from '@angular/core';
 import {HttpClient} from '@angular/common/http';
 import {EnvProperties} from './properties/env-properties';
-import {Observable, of} from "rxjs";
+import {BehaviorSubject, Observable, of} from "rxjs";
 import {catchError, map} from "rxjs/operators";
+import {properties} from "../../../environments/environment";
 
 
 @Injectable({
   providedIn: "root"
 })
 export class IndexInfoService {
+  private lastIndexDateSubject: BehaviorSubject<any> = new BehaviorSubject<any>(null);
 
   constructor(private http: HttpClient) {
   }
 
-  getLastIndexDate(properties: EnvProperties): Observable<any> {
-    let url = properties.indexInfoAPI;
-    return this.http.get((properties.useLongCache)? (properties.cacheUrl+encodeURIComponent(url)): url).pipe(map(res => res['claim_load_date'])).pipe(catchError(err => {return of(null)}));
+  get lastIndexDate(): Observable<any> {
+    return this.lastIndexDateSubject.getValue() ? this.lastIndexDateSubject.asObservable() : this.getLastIndexDate();
+  }
+
+  setLastIndexDate(value: any) {
+    this.lastIndexDateSubject.next(value);
+  }
+
+  getLastIndexDate(props: EnvProperties = properties): Observable<any> {
+    let url = props.indexInfoAPI;
+    return this.http.get((props.useLongCache)? (props.cacheUrl+encodeURIComponent(url)): url).pipe(map(res => {
+      this.setLastIndexDate(res['claim_load_date']);
+      return res['claim_load_date'];
+    })).pipe(catchError(err => {return of(null)}));
   }
   getStatsLastDate(properties: EnvProperties): Observable<any> {
     let url = properties.indexInfoAPI;