Added download

hartmann-foto-documentation-frontend/lib/utils/file_download.dart

@@ -0,0 +1 @@
+export 'file_download_stub.dart' if (dart.library.js) 'file_download_web.dart' if (dart.library.io) 'file_download_app.dart';

hartmann-foto-documentation-frontend/lib/utils/file_download_app.dart

@@ -0,0 +1,3 @@
+Future<void> downloadFile(List<int> bytes, String fileName) {
+  throw UnsupportedError('File download not supported on this platform');
+}

hartmann-foto-documentation-frontend/lib/utils/file_download_stub.dart

@@ -0,0 +1,3 @@
+Future<void> downloadFile(List<int> bytes, String fileName) {
+  throw UnsupportedError('Cannot download file on this platform');
+}

hartmann-foto-documentation-frontend/lib/utils/file_download_web.dart

@@ -0,0 +1,13 @@
+import 'dart:typed_data';
+
+import 'package:file_picker/file_picker.dart';
+
+Future<void> downloadFile(List<int> bytes, String fileName) async {
+  await FilePicker.platform.saveFile(
+    dialogTitle: fileName,
+    fileName: fileName,
+    type: FileType.custom,
+    allowedExtensions: ['pdf'],
+    bytes: Uint8List.fromList(bytes),
+  );
+}

hartmann-foto-documentation-frontend/lib/utils/jwt_token_storage.dart

@@ -3,30 +3,30 @@ abstract class JwtTokenStorage {
   ///
   /// @param accessToken The short-lived access token
   /// @param refreshToken The long-lived refresh token
-  Future<void> saveTokens(String accessToken, String refreshToken);
+  void saveTokens(String accessToken, String refreshToken);
 
   /// Get the stored access token
   ///
   /// @return Access token or null if not found
-  Future<String?> getAccessToken();
+  String? getAccessToken();
 
   /// Get the stored refresh token
   ///
   /// @return Refresh token or null if not found
-  Future<String?> getRefreshToken();
+  String? getRefreshToken();
 
   /// Clear all stored tokens (on logout)
-  Future<void> clearTokens();
+  void clearTokens();
 
   /// Check if tokens are stored
   ///
   /// @return true if access token exists
-  Future<bool> hasTokens();
+  bool hasTokens();
 
   /// Update only the access token (used after refresh)
   ///
   /// @param accessToken New access token
-  Future<void> updateAccessToken(String accessToken);
+  void updateAccessToken(String accessToken);
 }
 
 class JwtTokenStorageImpl extends JwtTokenStorage {
@@ -36,34 +36,34 @@ class JwtTokenStorageImpl extends JwtTokenStorage {
   String? _keyRefreshToken;
 
   @override
-  Future<void> saveTokens(String accessToken, String refreshToken) async {
+  void saveTokens(String accessToken, String refreshToken) async {
     _keyAccessToken = accessToken;
     _keyRefreshToken = refreshToken;
   }
 
   @override
-  Future<String?> getAccessToken() async {
+  String? getAccessToken() {
     return _keyAccessToken;
   }
 
   @override
-  Future<String?> getRefreshToken() async {
+  String? getRefreshToken() {
     return _keyRefreshToken;
   }
 
   @override
-  Future<void> clearTokens() async {
+  void clearTokens() {
     _keyAccessToken = null;
     _keyRefreshToken = null;
   }
 
   @override
-  Future<bool> hasTokens() async {
+  bool hasTokens() {
     return _keyAccessToken != null && _keyAccessToken!.isNotEmpty;
   }
 
   @override
-  Future<void> updateAccessToken(String accessToken) async {
+  void updateAccessToken(String accessToken) {
     _keyAccessToken == accessToken;
   }
 }