Refactored the calendar synchronization code using AI.

Wino.Core.Domain/Entities/Calendar/AccountCalendar.cs

@@ -7,12 +7,40 @@ namespace Wino.Core.Domain.Entities.Calendar;
 public class AccountCalendar : IAccountCalendar
 {
     [PrimaryKey]
-    public Guid Id { get; set; }
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    [NotNull]
+    public string RemoteCalendarId { get; set; } = string.Empty;
+
+    [NotNull]
     public Guid AccountId { get; set; }
-    public string RemoteCalendarId { get; set; }
-    public string SynchronizationDeltaToken { get; set; }
-    public string Name { get; set; }
-    public bool IsPrimary { get; set; }
+
+    [NotNull]
+    public string Name { get; set; } = string.Empty;
+
+    public string? Description { get; set; }
+
+    public string? Location { get; set; }
+
+    public string? TimeZone { get; set; }
+
+    public string? AccessRole { get; set; }
+
+    public bool IsPrimary { get; set; } = false;
+
+    public string? BackgroundColor { get; set; }
+
+    public string? ForegroundColor { get; set; }
+
+    public DateTime CreatedDate { get; set; }
+
+    public DateTime LastModified { get; set; }
+
+    public DateTime? LastSyncTime { get; set; }
+
+    public string? SynchronizationDeltaToken { get; set; }
+
+    public bool IsDeleted { get; set; } = false;
     public bool IsExtended { get; set; } = true;
 
     /// <summary>
@@ -20,5 +48,4 @@ public class AccountCalendar : IAccountCalendar
     /// </summary>
     public string TextColorHex { get; set; }
     public string BackgroundColorHex { get; set; }
-    public string TimeZone { get; set; }
 }