/// <summary>
/// 從DB刪除目前的Entity，並且包含刪除裡面的ManyToMany的關係（不只是刪除junction table的記錄，實際的
/// 對應資料也會刪除）
/// </summary>
/// <typeparam name="TEntity">目前這一筆Entity的type</typeparam>
/// <typeparam name="TManyToMany">要被刪除的Many to many的type</typeparam>
/// <param name="uow">DB的Unit of work</param>
/// <param name="main">要被刪除的Entity</param>
public void DeleteIncludeManyToManyRelationship <TEntity, TManyToMany>(Core.Common.Repository.IUnitOfWork uow,
TEntity main)
where TEntity : class
where TManyToMany : class
{
DeleteOneTypeManyToManyProperty <TEntity, TManyToMany>(uow, main);
// uow.Repository<TEntity>().Delete(main);
}
/// <summary>
/// 只刪除某筆entity裡面many to many的實際table儲存資料。
/// </summary>
/// <typeparam name="TEntity">目前這一筆Entity的type</typeparam>
/// <typeparam name="TManyToMany">要被刪除的Many to many的type</typeparam>
/// <param name="uow">DB的Unit of work</param>
/// <param name="main">要被刪除的Entity</param>
private void DeleteOneTypeManyToManyProperty <TEntity, TManyToMany>(Core.Common.Repository.IUnitOfWork uow,
TEntity main)
where TEntity : class
where TManyToMany : class
{
var properties = ReflectionHelper.GetPropertiesOfCurrentType(typeof(TEntity))
.Where(x => typeof(ICollection <TManyToMany>).IsAssignableFrom(x.PropertyType));
foreach (var property in properties)
{
var dos = (property.GetValue(main) as ICollection <TManyToMany>).ToList();
if (dos != null && dos.Count > 0)
{
foreach (var doValue in dos)
{
uow.Repository <TManyToMany>().Delete(doValue);
}
}
}
}
