Develop

FinTrack/Core/SecureTokenStorage.cs

@@ -0,0 +1,72 @@
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace FinTrack.Core
+{
+    public class SecureTokenStorage
+    {
+        private readonly string _filePath;
+
+        private static readonly byte[] s_entropy = Encoding.UTF8.GetBytes("E5A3B8B8_4A8C_4F1D_9F0B_2B3A7F9C1D0E"); // [TEST]
+
+        public SecureTokenStorage()
+        {
+            var appDataPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
+            var appFolder = Path.Combine(appDataPath, "FinTrack");
+            Directory.CreateDirectory(appFolder);
+            _filePath = Path.Combine(appFolder, "user.token");
+        }
+
+        public void SaveToken(string token)
+        {
+            if (string.IsNullOrEmpty(token))
+                throw new ArgumentException("Token cannot be null or empty.", nameof(token));
+
+            try
+            {
+                var encryptedToken = ProtectedData.Protect(Encoding.UTF8.GetBytes(token), s_entropy, DataProtectionScope.CurrentUser);
+                File.WriteAllBytes(_filePath, encryptedToken);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error saving token: {ex.Message}");
+                throw;
+            }
+        }
+
+        public string? GetToken()
+        {
+            if (!File.Exists(_filePath))
+                return null;
+
+            try
+            {
+                var encryptedBytes = File.ReadAllBytes(_filePath);
+                var tokenBytes = ProtectedData.Unprotect(encryptedBytes, s_entropy, DataProtectionScope.CurrentUser);
+                return Encoding.UTF8.GetString(tokenBytes);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error retrieving token: {ex.Message}");
+                ClearToken();
+                return null;
+            }
+        }
+
+        public void ClearToken()
+        {
+            if (File.Exists(_filePath))
+            {
+                try
+                {
+                    File.Delete(_filePath);
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"Error clearing token: {ex.Message}");
+                }
+            }
+        }
+    }
+}

FinTrack/Models/AccountModel.cs

@@ -42,6 +42,10 @@ public class AccountModel
         [Column("UpdateAt")]
         public DateTime? UpdatedAtUtc { get; set; }
 
+        [Required]
+        [Column("IsSynced")]
+        public bool IsSynced { get; set; } = false;
+
         public virtual ICollection<TransactionModel> Transactions { get; set; } = new List<TransactionModel>();
     }
 

FinTrack/Models/BudgetCategoryModel.cs

@@ -26,5 +26,9 @@ public class BudgetCategoryModel
         [Column("AllocatedAmount", TypeName = "decimal(18, 2)")]
         [Range(0.00, (double)decimal.MaxValue)]
         public decimal AllocatedAmount { get; set; }
+
+        [Required]
+        [Column("IsSynced")]
+        public bool IsSynced { get; set; } = false;
     }
 }

FinTrack/Models/BudgetModel.cs

@@ -45,6 +45,10 @@ public class BudgetModel
         [Column("UpdatedAtUtc")]
         public DateTime? UpdatedAtUtc { get; set; }
 
+        [Required]
+        [Column("IsSynced")]
+        public bool IsSynced { get; set; } = false;
+
         public virtual ICollection<BudgetCategoryModel> BudgetCategories { get; set; } = new List<BudgetCategoryModel>();
     }
 }

FinTrack/Models/CategoryModel.cs

@@ -24,6 +24,10 @@ public class CategoryModel
         [Column("CategoryType")]
         public CategoryType Type { get; set; }
 
+        [Required]
+        [Column("IsSynced")]
+        public bool IsSynced { get; set; } = false;
+
         public virtual ICollection<BudgetCategoryModel> BudgetAllocations { get; set; } = new List<BudgetCategoryModel>();
         public virtual ICollection<TransactionModel> Transactions { get; set; } = new List<TransactionModel>();
     }

FinTrack/Models/TransactionModel.cs

@@ -58,5 +58,9 @@ public class TransactionModel
         [Column("UpdatedAt")]
         [DataType(DataType.DateTime)]
         public DateTime? UpdatedAtUtc { get; set; }
+
+        [Required]
+        [Column("IsSynced")]
+        public bool IsSynced { get; set; } = false;
     }
 }

FinTrack/Models/UserSettingsModel.cs

@@ -38,5 +38,9 @@ public class UserSettingsModel
         [Column("EntryDate")]
         [DataType(DataType.DateTime)]
         public DateTime EntryDate { get; set; } = DateTime.UtcNow;
+
+        [Required]
+        [Column("IsSynced")]
+        public bool IsSynced { get; set; } = false;
     }
 }

FinTrack/Services/AuthService.cs

@@ -13,7 +13,7 @@ public AuthService()
         {
             _httpClient = new HttpClient
             {
-                BaseAddress = new Uri("http://localhost:5246/")
+                BaseAddress = new Uri("http://localhost:5000/")
             };
 
             _httpClient.DefaultRequestHeaders.Accept.Clear();

FinTrack/ViewModels/HomeViewModel.cs

@@ -0,0 +1,8 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace FinTrack.ViewModels
+{
+    public partial class HomeViewModel : ObservableObject
+    {
+    }
+}

FinTrack/ViewModels/LoginViewModel.cs

@@ -28,6 +28,19 @@ public partial class LoginViewModel : ObservableObject
         public LoginViewModel()
         {
             _authService = new AuthService();
+
+            RegisteredTokenLogin();
+        }
+
+        private void RegisteredTokenLogin()
+        {
+            SecureTokenStorage secureTokenStorage = new SecureTokenStorage();
+            string? token = secureTokenStorage.GetToken();
+            if (!string.IsNullOrEmpty(token))
+            {
+                SessionManager.SetToken(token);
+                MessageBox.Show("Giriş başarılı! Token kullanıldı.", "Bilgi", MessageBoxButton.OK, MessageBoxImage.Information);
+            }
         }
 
         [RelayCommand]
@@ -45,7 +58,12 @@ private async Task Login_LoginView_Button()
                 MessageBox.Show("Giriş başarısız oldu. Lütfen e-posta ve şifrenizi kontrol edin.", "Hata", MessageBoxButton.OK, MessageBoxImage.Error);
                 return;
             }
+
             SessionManager.SetToken(token);
+
+            SecureTokenStorage secureTokenStorage = new SecureTokenStorage();
+            secureTokenStorage.SaveToken(token);
+
             MessageBox.Show("Giriş başarılı!", "Bilgi", MessageBoxButton.OK, MessageBoxImage.Information);
         }