IM_NEW/DomainCommons/AggregateRootEntity.cs

namespace IM.DomainCommons
{
    public class AggregateRootEntity : BaseEntity, IAggregateRoot, ISoftDelete, IHasCreationTime, IHasDeletionTime, IHasModificationTime
    {
        public bool IsDeleted { get; private set; }

        public DateTimeOffset CreationTime { get; private set; } = DateTime.Now;

        public DateTimeOffset? Deletion { get; private set; }

        public DateTimeOffset? ModificationTime { get; set; }

        public void SoftDelete()
        {
            Deletion = DateTime.Now;
            IsDeleted = true;
        }

        public void NotifyModified()
        {
            ModificationTime = DateTime.Now;
        }
    }
}