Merge pull request #8 from yazilimacademy/Application

[Feature]: ✨ Update EntityBase and ICreatedByEntity to support nullable CreatedByUserId and add domain event management functionality

Author: altudev

src/YazilimAcademy.Domain/Common/EntityBase.cs

@@ -3,10 +3,19 @@ namespace YazilimAcademy.Domain.Common;
 public abstract class EntityBase : ICreatedByEntity, IModifiedByEntity, IIsActive
 {
     public virtual Guid Id { get; set; }
-    public virtual string CreatedByUserId { get; set; }
+    public virtual string? CreatedByUserId { get; set; }
     public virtual DateTimeOffset CreatedAt { get; set; }
     public virtual string? ModifiedByUserId { get; set; }
     public virtual DateTimeOffset? ModifiedAt { get; set; }
     public virtual bool IsActive { get; set; }
+
+    private readonly List<IDomainEvent> _domainEvents = [];
+
+    public IReadOnlyCollection<IDomainEvent> DomainEvents => _domainEvents.AsReadOnly();
+
+    protected void AddDomainEvent(IDomainEvent domainEvent) => _domainEvents.Add(domainEvent);
+    protected void RemoveDomainEvent(IDomainEvent domainEvent) => _domainEvents.Remove(domainEvent);
+
+    public void ClearDomainEvents() => _domainEvents.Clear();
 }
 

src/YazilimAcademy.Domain/Common/ICreatedByEntity.cs

@@ -4,6 +4,6 @@ namespace YazilimAcademy.Domain.Common;
 
 public interface ICreatedByEntity
 {
-    public string CreatedByUserId { get; set; }
+    public string? CreatedByUserId { get; set; }
     public DateTimeOffset CreatedAt { get; set; }
 }

src/YazilimAcademy.Domain/Common/IDomainEvent.cs

@@ -0,0 +1,8 @@
+using MediatR;
+
+namespace YazilimAcademy.Domain.Common;
+
+public interface IDomainEvent : INotification
+{
+
+}