private void PreparingEntity(OperateArgs <T> e)
{
{
IOperatingEntity entity2 = e.Entity as IOperatingEntity;
if (entity2 != null)
{
entity2.PreparingOperate(e);
}
}
if (e.OperateType == OperateType.Delete)
{
IDeletableEntity entity2 = e.Entity as IDeletableEntity;
if (entity2 != null && !entity2.CanBeDelete(e))
{
throw new InvalidUserOperationException(entity2.ToString() + "不能删除!");
}
}
else if (e.OperateType == OperateType.Update)
{
IUpdatableEntity entity2 = e.Entity as IUpdatableEntity;
if (entity2 != null && !entity2.CanBeUpdate(e))
{
throw new InvalidUserOperationException(entity2.ToString() + "不能更新!");
}
}
else if (e.OperateType == OperateType.Save)
{
ISavableEntity entity2 = e.Entity as ISavableEntity;
if (entity2 != null && !entity2.CanBeSave(e))
{
throw new InvalidUserOperationException(entity2.ToString() + "不能添加!");
}
}
}
public static void SetCreateDeletableEntity <T>(this T entity)
where T : class, IEntity
{
if (entity is IDeletableEntity)
{
IDeletableEntity deletableEntity = entity as IDeletableEntity;
deletableEntity.isDeleted = false;
}
}
public static void SetDeleteDeletableEntity <T>(this T entity, int userID)
where T : class, IEntity
{
if (entity is IDeletableEntity)
{
IDeletableEntity deletableEntity = entity as IDeletableEntity;
deletableEntity.isDeleted = true;
deletableEntity.DeletedDate = DateTime.Now;
deletableEntity.DeletedByUserID = userID;
}
}
/// <summary>
/// Removes the specified item.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="item">The item.</param>
public void Remove(IDeletableEntity entity)
{
Set(entity.GetType()).Attach(entity);
entity.Deleted = true;
Entry(entity).State = EntityState.Modified;
}
