refactor: purchase store (#25734)

web/src/lib/managers/auth-manager.svelte.ts

@@ -3,12 +3,31 @@ import { page } from '$app/state';
 import { eventManager } from '$lib/managers/event-manager.svelte';
 import { Route } from '$lib/route';
 import { isSharedLinkRoute } from '$lib/utils/navigation';
-import { logout } from '@immich/sdk';
+import { getAboutInfo, logout, type UserAdminResponseDto } from '@immich/sdk';
 
 class AuthManager {
+  isPurchased = $state(false);
   isSharedLink = $derived(isSharedLinkRoute(page.route?.id));
   params = $derived(this.isSharedLink ? { key: page.params.key, slug: page.params.slug } : {});
 
+  constructor() {
+    eventManager.on({
+      AuthUserLoaded: (user) => this.onAuthUserLoaded(user),
+    });
+  }
+
+  private async onAuthUserLoaded(user: UserAdminResponseDto) {
+    if (user.license?.activatedAt) {
+      authManager.isPurchased = true;
+      return;
+    }
+
+    const serverInfo = await getAboutInfo().catch(() => undefined);
+    if (serverInfo?.licensed) {
+      authManager.isPurchased = true;
+    }
+  }
+
   async logout() {
     let redirectUri;
 
@@ -30,6 +49,7 @@ class AuthManager {
         globalThis.location.href = redirectUri;
       }
     } finally {
+      this.isPurchased = false;
       eventManager.emit('AuthLogout');
     }
   }