96 lines
3.2 KiB
TypeScript
96 lines
3.2 KiB
TypeScript
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import { Component, OnInit, signal, ApplicationRef, inject, DestroyRef } from '@angular/core';
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import { Router, RouterOutlet, NavigationEnd } from '@angular/router';
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import { Title } from '@angular/platform-browser';
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import { HttpClient } from '@angular/common/http';
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import { HeaderComponent } from './components/header/header.component';
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import { FooterComponent } from './components/footer/footer.component';
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import { BackButtonComponent } from './components/back-button/back-button.component';
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import { interval, concat } from 'rxjs';
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import { filter, first } from 'rxjs/operators';
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import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
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import { environment } from '../environments/environment';
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import { SwUpdate } from '@angular/service-worker';
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import { TranslatePipe } from './i18n/translate.pipe';
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import { TranslateService } from './i18n/translate.service';
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@Component({
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selector: 'app-root',
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imports: [RouterOutlet, HeaderComponent, FooterComponent, BackButtonComponent, TranslatePipe],
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templateUrl: './app.html',
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styleUrl: './app.scss'
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})
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export class App implements OnInit {
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protected title = environment.brandName;
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isHomePage = signal(true);
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checkingServer = signal(true);
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serverAvailable = signal(false);
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private destroyRef = inject(DestroyRef);
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private http = inject(HttpClient);
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private titleService = inject(Title);
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private swUpdate = inject(SwUpdate);
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private appRef = inject(ApplicationRef);
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private router = inject(Router);
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private i18n = inject(TranslateService);
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ngOnInit(): void {
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this.titleService.setTitle(`${environment.brandFullName} - ${this.i18n.t('app.pageTitle')}`);
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this.checkServerHealth();
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this.setupAutoUpdates();
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// Track route changes to show/hide back button
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this.router.events
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.pipe(
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filter(event => event instanceof NavigationEnd),
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takeUntilDestroyed(this.destroyRef)
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)
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.subscribe((event) => {
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const navEnd = event as NavigationEnd;
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const url = navEnd.urlAfterRedirects || navEnd.url;
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// Home pages: /ru, /en, /hy (with or without trailing slash)
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this.isHomePage.set(/^\/[a-z]{2}\/?$/.test(url) || url === '/' || url === '');
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});
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}
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private checkServerHealth(): void {
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this.checkingServer.set(true);
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this.http.get<{ message: string }>(`${environment.apiUrl}/ping`)
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.pipe(takeUntilDestroyed(this.destroyRef))
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.subscribe({
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next: () => {
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this.serverAvailable.set(true);
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this.checkingServer.set(false);
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},
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error: () => {
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this.serverAvailable.set(false);
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this.checkingServer.set(false);
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}
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});
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}
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retryConnection(): void {
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this.checkServerHealth();
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}
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private setupAutoUpdates(): void {
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if (!this.swUpdate.isEnabled) {
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return;
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}
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const appIsStable$ = this.appRef.isStable.pipe(first(isStable => isStable === true));
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const every6Hours$ = interval(6 * 60 * 60 * 1000);
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const checkInterval$ = concat(appIsStable$, every6Hours$);
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checkInterval$
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.pipe(takeUntilDestroyed(this.destroyRef))
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.subscribe(async () => {
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try {
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await this.swUpdate.checkForUpdate();
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} catch (err) {
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console.error('Update check failed:', err);
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}
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});
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}
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}
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