feat: Basis-DTOs, Service und Controller für automatische Metadatenverwaltung hinzugefügt

- Basis-DTOs für Lese-, Erstellungs- und Aktualisierungsvorgänge erstellt, um die Felder "hinzugefügt von", "hinzugefügt am", "geändert von" und "geändert am" automatisch über Middleware zu ergänzen.
- Diese Basiskomponenten in die Gruppenstruktur integriert.

DigitalData.UserManager.Domain/Entities/BaseEntity.cs

@@ -0,0 +1,30 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace DigitalData.UserManager.Domain.Entities
+{
+    public class BaseEntity
+    {
+        [Column("GUID")]
+        [Key]
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public int Id { get; set; }
+
+        [StringLength(50)]
+        [DefaultValue("DEFAULT")]
+        [Column("ADDED_WHO")]
+        public string? AddedWho { get; set; }
+
+        [StringLength(50)]
+        [Column("CHANGED_WHO")]
+        public string? ChangedWho { get; set; }
+
+        [Column("ADDED_WHEN", TypeName = "datetime")]
+        [DefaultValue("GETDATE()")]
+        public DateTime AddedWhen { get; set; } = DateTime.Now;
+
+        [Column("CHANGED_WHEN", TypeName = "datetime")]
+        public DateTime? ChangedWhen { get; set; }
+    }
+}

DigitalData.UserManager.Domain/Entities/Group.cs

@@ -5,13 +5,8 @@ using System.ComponentModel.DataAnnotations.Schema;
 namespace DigitalData.UserManager.Domain.Entities
 {
     [Table("TBDD_GROUPS", Schema = "dbo")]
-    public class Group
+    public class Group : BaseEntity
     {
-        [Column("GUID")]
-        [Key]
-        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
-        public int Id { get; set; }
-
         [StringLength(50)]
         public string? Name { get; set; }
 
@@ -31,27 +26,9 @@ namespace DigitalData.UserManager.Domain.Entities
         [StringLength(200)]
         public string? Comment { get; set; }
 
-        [StringLength(50)]
-        [DefaultValue("DEFAULT")]
-        [Column("ADDED_WHO")]
-        public string? AddedWho { get; set; }
-
-        [StringLength(50)]
-        [Column("CHANGED_WHO")]
-        public string? ChangedWho { get; set; }
-
         [Required]
         [Column("ECM_FK_ID")]
         [DefaultValue(0)]
         public int EcmFkId { get; set; }
-
-        #region IGNORED COLUMNS
-        //[Column(TypeName = "datetime")]
-        //[DefaultValue("GETDATE()")]
-        //public DateTime? AddedWhen { get; set; }
-
-        //[Column(TypeName = "datetime")]
-        //public DateTime? ChangedWhen { get; set; }
-        #endregion
     }
 }