public virtual void AssignFrom(TaskSharingEntity entity)
        {
            if (entity == null) throw new ArgumentNullException(nameof(entity));

            Id = entity.Id;
            FileName = entity.FileName;
            CreatedAt = entity.CreatedAt;
            Size = entity.Size;
            Staff = entity.Staff.ToViewModel();
            Task = entity.Task.ToViewModel();
        } 
 public TaskSharingExistsResult(bool isSucceed, String message, TaskSharingEntity tasksharing)
     : base(isSucceed, message)
 {
     this.TaskSharing = tasksharing;
 }