build for web server

lib/services/appwrite_service.dart

@@ -1,4 +1,3 @@
-
 import 'package:appwrite/models.dart';
 import 'package:appwrite/appwrite.dart';
 
@@ -7,23 +6,21 @@ import '../configs/environment.dart';
 class AppwriteService {
   static final String endpoint = Environment.appwritePublicEndpoint;
   static final String projectId = Environment.appwriteProjectId;
-  static final String projectName = Environment.appwriteProjectName;
   static final String realtimeCollectionId =
       Environment.appwriteRealtimeCollectionId;
   static final String databaseId = Environment.appwriteDatabaseId;
-  static final String userEMail = Environment.appwriteUserEMail;
+  static final String userEmail = Environment.appwriteUserEMail;
   static final String passwd = Environment.appwritePasswd;
 
   final Client _client = Client().setProject(projectId).setEndpoint(endpoint);
 
-  // ignore: unused_field
-  late final Account _account;
-  // ignore: unused_field
   late final Databases _databases;
+  late final Account _account;
+  bool _sessionActive = false;
 
   AppwriteService._internal() {
-    _account = Account(_client);
     _databases = Databases(_client);
+    _account = Account(_client);
   }
 
   static final AppwriteService _instance = AppwriteService._internal();
@@ -31,45 +28,30 @@ class AppwriteService {
   /// Singleton instance getter
   factory AppwriteService() => _instance;
 
-  // login with e-Mail and password
+  /// Login mit Email/Passwort. Erstellt nur eine neue Session wenn noch keine aktiv ist.
   Future<bool> login() async {
-    await logout();
+    if (_sessionActive) return true;
     try {
-      final session = await _account.createEmailPasswordSession(
-        email: userEMail,
+      await _account.getSession(sessionId: 'current');
+      _sessionActive = true;
+      return true;
+    } catch (_) {
+      // Keine aktive Session – neu einloggen
+    }
+    try {
+      await _account.createEmailPasswordSession(
+        email: userEmail,
         password: passwd,
       );
-      print('Login erfolgreich: ${session.$id}');
+      _sessionActive = true;
+      print('Appwrite Login erfolgreich');
       return true;
     } catch (e) {
-      print('Login fehlgeschlagen: $e');
+      print('Fehler beim Login: $e');
       return false;
     }
   }
 
-  // logout current user
-  Future<bool> logout() async {
-    try {
-      await _account.deleteSession(sessionId: 'current');
-      print('Logout erfolgreich');
-      return true;
-    } catch (e) {
-      print('Logout fehlgeschlagen: $e');
-      return false;
-    }
-  }
-
-  //Get current user ID
-  Future<String?> getCurrentUserId() async {
-    try {
-      final user = await _account.get();
-      return user.$id;
-    } catch (e) {
-      print('Fehler beim Abrufen der Benutzer-ID: $e');
-      return null;
-    }
-  }
-
   // Get List<Document> from Realtime Collection
   Future<List<Document>> getDocumentsFromCollection() async {
     try {