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76634: Add documentation

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This commit is contained in:
Bruno Roemers
2021-02-02 14:40:56 +01:00
parent 3f6cf777b6
commit 3a486eb81f
1 changed files with 10 additions and 0 deletions
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10
src/app/statistics/google-analytics.service.ts
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@@ -5,6 +5,10 @@ import {getFirstCompletedRemoteData} from '../core/shared/operators';
import {isEmpty} from '../shared/empty.util'; import {isEmpty} from '../shared/empty.util';
import {DOCUMENT} from '@angular/common'; import {DOCUMENT} from '@angular/common';
/**
* Set up Google Analytics on the client side.
* See: {@link addTrackingIdToPage}.
*/
@Injectable() @Injectable()
export class GoogleAnalyticsService { export class GoogleAnalyticsService {
@@ -14,6 +18,12 @@ export class GoogleAnalyticsService {
@Inject(DOCUMENT) private document: Document @Inject(DOCUMENT) private document: Document
) { } ) { }
/**
* Call this method once when Angular initializes on the client side.
* It requests a Google Analytics tracking id from the rest backend
* (property: google.analytics.key), adds the tracking snippet to the
* page and starts tracking.
*/
addTrackingIdToPage(): void { addTrackingIdToPage(): void {
this.configService.findByPropertyName('google.analytics.key').pipe( this.configService.findByPropertyName('google.analytics.key').pipe(
getFirstCompletedRemoteData(), getFirstCompletedRemoteData(),