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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | 98x 98x 98x 25x 25x 25x 25x 98x 27x 27x 27x 2x 27x 63x 98x 4x 98x 1x 1x 98x | import { Injectable, OnDestroy } from '@angular/core';
import { BehaviorSubject, interval, Subscription } from 'rxjs';
@Injectable({
providedIn: 'root'
})
export class RefreshIntervalService implements OnDestroy {
private intervalTime: number;
// Observable sources
private intervalDataSource = new BehaviorSubject(null);
private intervalSubscription: Subscription;
// Observable streams
intervalData$ = this.intervalDataSource.asObservable();
constructor() {
const initialInterval = parseInt(sessionStorage.getItem('dashboard_interval'), 10) || 5000;
this.setRefreshInterval(initialInterval);
}
setRefreshInterval(newInterval: number) {
this.intervalTime = newInterval;
sessionStorage.setItem('dashboard_interval', newInterval.toString());
if (this.intervalSubscription) {
this.intervalSubscription.unsubscribe();
}
this.intervalSubscription = interval(this.intervalTime).subscribe(() =>
this.intervalDataSource.next(this.intervalTime)
);
}
getRefreshInterval() {
return this.intervalTime;
}
ngOnDestroy() {
Eif (this.intervalSubscription) {
this.intervalSubscription.unsubscribe();
}
}
}
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