56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
import { Injectable } from '@angular/core';
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import { BehaviorSubject, Observable } from 'rxjs';
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/**
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* This service handles everything connected with being offline.
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*
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* TODO: This is just a stub. Needs to be done in the future; Maybe we cancel this whole concept
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* of this service. We'll see what happens here..
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*/
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@Injectable({
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providedIn: 'root'
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})
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export class OfflineService {
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/**
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* BehaviorSubject to receive further status values.
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*/
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private offline = new BehaviorSubject<boolean>(false);
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/**
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* Determines of you are either in Offline mode or not connected via websocket
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*
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* @returns whether the client is offline or not connected
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*/
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public isOffline(): Observable<boolean> {
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return this.offline;
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}
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/**
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* Sets the offline flag. Restores the DataStoreService to the last known configuration.
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*/
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public goOfflineBecauseFailedWhoAmI(): void {
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if (!this.offline.getValue()) {
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console.log('offline because whoami failed.');
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}
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this.offline.next(true);
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}
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/**
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* Sets the offline flag, because there is no connection to the server.
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*/
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public goOfflineBecauseConnectionLost(): void {
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if (!this.offline.getValue()) {
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console.log('offline because connection lost.');
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}
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this.offline.next(true);
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}
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/**
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* Function to return to online-status.
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*/
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public goOnline(): void {
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this.offline.next(false);
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}
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}
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