Redirect direct mobile tx visits to pizza tracker

frontend/src/app/route-guards.ts

@@ -0,0 +1,22 @@
+import { Injectable, inject } from '@angular/core';
+import { CanMatchFn, Route, Router, UrlSegment } from '@angular/router';
+import { NavigationService } from './services/navigation.service';
+
+@Injectable({
+  providedIn: 'root'
+})
+class GuardService {
+  constructor(
+    private router: Router,
+    private navigationService: NavigationService,
+  ) {}
+
+  trackerGuard(route: Route, segments: UrlSegment[]): boolean {
+    const preferredRoute = this.router.getCurrentNavigation()?.extractedUrl.queryParams?.mode;
+    return preferredRoute !== 'details' && this.navigationService.isInitialLoad() && window.innerWidth <= 767.98;
+  }
+}
+
+export const TrackerGuard: CanMatchFn = (route: Route, segments: UrlSegment[]): boolean => {
+  return inject(GuardService).trackerGuard(route, segments);
+};