feat: support deep links

src/app/app.component.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2020 StApps
+ * Copyright (C) 2018-2021 StApps
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, version 3.
@@ -12,7 +12,9 @@
  * You should have received a copy of the GNU General Public License along with
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
-import {Component} from '@angular/core';
+import {Component, NgZone} from '@angular/core';
+import {Router} from '@angular/router';
+import {App, URLOpenListenerEvent} from '@capacitor/app';
 import {SplashScreen} from '@capacitor/splash-screen';
 import {Platform} from '@ionic/angular';
 import {NGXLogger} from 'ngx-logger';
@@ -47,12 +49,16 @@ export class AppComponent {
    * @param settingsProvider TODO
    * @param configProvider TODO
    * @param logger An angular logger
+   * @param router The angular router
+   * @param zone The angular zone
    */
   constructor(
     private readonly platform: Platform,
     private readonly settingsProvider: SettingsProvider,
     private readonly configProvider: ConfigProvider,
     private readonly logger: NGXLogger,
+    private readonly router: Router,
+    private readonly zone: NgZone,
   ) {
     void this.initializeApp();
   }
@@ -61,6 +67,16 @@ export class AppComponent {
    * TODO
    */
   async initializeApp() {
+    App.addListener('appUrlOpen', (event: URLOpenListenerEvent) => {
+      this.zone.run(() => {
+        const slug = event.url.split('.de').pop();
+        if (slug) {
+          this.router.navigateByUrl(slug);
+        }
+        // If no match, do nothing - let regular routing
+        // logic take over
+      });
+    });
     this.platform.ready().then(async () => {
       await SplashScreen.hide();