Simple Managment webapp [LLM]

webapp/src/app/core/services/auth.service.ts

@@ -0,0 +1,54 @@
+import { Injectable, signal, computed } from '@angular/core';
+
+const USER_ID_KEY = 'scn_user_id';
+const ADMIN_KEY_KEY = 'scn_admin_key';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AuthService {
+  private userId = signal<string | null>(null);
+  private adminKey = signal<string | null>(null);
+
+  isAuthenticated = computed(() => !!this.userId() && !!this.adminKey());
+
+  constructor() {
+    this.loadFromStorage();
+  }
+
+  private loadFromStorage(): void {
+    const userId = sessionStorage.getItem(USER_ID_KEY);
+    const adminKey = sessionStorage.getItem(ADMIN_KEY_KEY);
+    if (userId && adminKey) {
+      this.userId.set(userId);
+      this.adminKey.set(adminKey);
+    }
+  }
+
+  login(userId: string, adminKey: string): void {
+    sessionStorage.setItem(USER_ID_KEY, userId);
+    sessionStorage.setItem(ADMIN_KEY_KEY, adminKey);
+    this.userId.set(userId);
+    this.adminKey.set(adminKey);
+  }
+
+  logout(): void {
+    sessionStorage.removeItem(USER_ID_KEY);
+    sessionStorage.removeItem(ADMIN_KEY_KEY);
+    this.userId.set(null);
+    this.adminKey.set(null);
+  }
+
+  getUserId(): string | null {
+    return this.userId();
+  }
+
+  getAdminKey(): string | null {
+    return this.adminKey();
+  }
+
+  getAuthHeader(): string | null {
+    const key = this.adminKey();
+    return key ? `SCN ${key}` : null;
+  }
+}