40 lines
1.8 KiB
C#
40 lines
1.8 KiB
C#
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Text;
|
|||
|
|
using System.Threading.Tasks;
|
|||
|
|
|
|||
|
|
namespace SqlSugar
|
|||
|
|
{
|
|||
|
|
public partial class DeleteNavProvider<Root, T> where T : class, new() where Root : class, new()
|
|||
|
|
{
|
|||
|
|
private void DeleteOneToOne<TChild>(string name, EntityColumnInfo nav) where TChild : class, new()
|
|||
|
|
{
|
|||
|
|
var parentEntity = _ParentEntity;
|
|||
|
|
var parentList = _ParentList.Cast<T>().ToList();
|
|||
|
|
var parentColumn = parentEntity.Columns.FirstOrDefault(it => it.PropertyName == nav.Navigat.Name);
|
|||
|
|
var parentPkColumn = parentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
|
|||
|
|
var thisEntity = this._Context.EntityMaintenance.GetEntityInfo<TChild>();
|
|||
|
|
EntityColumnInfo thisPkColumn = GetPkColumnByNav(thisEntity, nav);
|
|||
|
|
Check.Exception(thisPkColumn == null, $" Navigate {parentEntity.EntityName} : {name} is error ", $"导航实体 {parentEntity.EntityName} 属性 {name} 配置错误");
|
|||
|
|
|
|||
|
|
|
|||
|
|
if (!_IsDeletedParant)
|
|||
|
|
SetContext(() => this._Context.Deleteable(parentList)
|
|||
|
|
.EnableDiffLogEventIF(_RootOptions?.IsDiffLogEvent == true, _RootOptions?.DiffLogBizData)
|
|||
|
|
.ExecuteCommand());
|
|||
|
|
|
|||
|
|
Check.ExceptionEasy(parentColumn == null, "The one-to-one navigation configuration is incorrect", "一对一导航配置错误");
|
|||
|
|
var ids = _ParentList.Select(it => parentColumn.PropertyInfo.GetValue(it)).ToList();
|
|||
|
|
List<TChild> childList = this._Context.Queryable<TChild>().In(thisPkColumn.DbColumnName, ids).ToList();
|
|||
|
|
|
|||
|
|
this._ParentList = childList.Cast<object>().ToList();
|
|||
|
|
this._ParentPkColumn = thisPkColumn;
|
|||
|
|
this._IsDeletedParant = true;
|
|||
|
|
|
|||
|
|
SetContext(() => this._Context.Deleteable(childList).ExecuteCommand());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|