initial commit

2026-07-21 15:36:49 +07:00
commit 77f66132bc
2640 changed files with 850901 additions and 0 deletions
@@ -0,0 +1,48 @@
+namespace Domain.Common;
+
+public class BaseEntity : IHasSequentialId, IHasIsDeleted, IHasAudit
+{
+    public string Id { get; set; } = null!;
+    public bool IsDeleted { get; set; }
+    public DateTime? CreatedAtUtc { get; set; }
+    public string? CreatedById { get; set; }
+    public DateTime? UpdatedAtUtc { get; set; }
+    public string? UpdatedById { get; set; }
+
+    public BaseEntity()
+    {
+        Id = GenerateSequentialGuid();
+        IsDeleted = false;
+    }
+
+
+
+    private static readonly object _lock = new object();
+
+    private string GenerateSequentialGuid()
+    {
+        byte[] guidArray = Guid.NewGuid().ToByteArray();
+
+        DateTime baseDate = new DateTime(1900, 1, 1);
+        DateTime now = DateTime.UtcNow;
+
+        TimeSpan timeSpan = now - baseDate;
+        byte[] daysArray = BitConverter.GetBytes(timeSpan.Days);
+        byte[] msecsArray = BitConverter.GetBytes((long)(timeSpan.TotalMilliseconds % 86400000));
+
+        if (BitConverter.IsLittleEndian)
+        {
+            Array.Reverse(daysArray);
+            Array.Reverse(msecsArray);
+        }
+
+        lock (_lock)
+        {
+            Array.Copy(daysArray, daysArray.Length - 2, guidArray, guidArray.Length - 6, 2);
+            Array.Copy(msecsArray, msecsArray.Length - 4, guidArray, guidArray.Length - 4, 4);
+        }
+
+        return new Guid(guidArray).ToString();
+    }
+}
+