first commit

src/app/score/pending-score.guard.ts

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+import { Injectable } from '@angular/core';
+import {
+  CanActivate,
+  ActivatedRouteSnapshot,
+  RouterStateSnapshot,
+  Router,
+} from '@angular/router';
+import { Observable, of } from 'rxjs';
+import { take, switchMap } from 'rxjs/operators';
+import { AuthService } from '../auth/authService/auth.service';
+import { PendingActionsService } from './pending-actions.service';
+import { NotifierService } from '../shared/notifierService/notifier.service';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class PendingScoreGuard implements CanActivate {
+  constructor(
+    private authService: AuthService,
+    private pendingActionsService: PendingActionsService,
+    private router: Router,
+    private notifierService: NotifierService
+  ) {}
+
+  canActivate(
+    route: ActivatedRouteSnapshot,
+    state: RouterStateSnapshot
+  ): Observable<boolean> {
+    return this.authService.currentUser$.pipe(
+      take(1),
+      switchMap((user) => {
+        if (user) {
+          // User is logged in, allow access to the route
+          return of(true);
+        } else {
+          // User is not logged in, store the score and redirect to login
+          const score = route.queryParams['score'];
+          const uid = route.queryParams['uid'];
+          if (score && uid) {
+            const uniqueID = this.pendingActionsService.saveTempQRCodeData({
+              score,
+              uid,
+            });
+            this.pendingActionsService.setTempQRId(uniqueID);
+            this.router.navigate(['/login'], {
+              queryParams: {
+                score: score,
+                uid: uid,
+              },
+            });
+            this.notifierService.showNotification(
+              'Bitte registriere oder logge dich ein, um ein Spiel zu deinem Konto hinzuzufügen.',
+              'OK'
+            );
+            return of(false);
+          } else {
+            this.router.navigate(['/login']);
+            return of(false);
+          }
+        }
+      })
+    );
+  }
+}