67 lines
3.5 KiB
C#
67 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Text;
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using System.Threading.Tasks;
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namespace SqlSugar
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{
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public partial class UpdateNavProvider<Root, T> where T : class, new() where Root : class, new()
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{
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private void UpdateOneToOne<TChild>(string name, EntityColumnInfo nav) where TChild : class, new()
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{
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var parentEntity = _ParentEntity;
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var parentList = _ParentList;
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var isManyPk = parentEntity.Columns.Count(it => it.IsPrimarykey) > 1;
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var parentColumn = parentEntity.Columns.FirstOrDefault(it => it.PropertyName == nav.Navigat.Name);
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var parentPkColumn = parentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
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var thisEntity = this._Context.EntityMaintenance.GetEntityInfo<TChild>();
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EntityColumnInfo thisPkColumn = GetPkColumnByNav(thisEntity, nav);
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Check.ExceptionEasy(thisPkColumn == null, $" Navigate {parentEntity.EntityName} : {name} is error ", $"导航实体 {parentEntity.EntityName} 属性 {name} 配置错误");
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Check.ExceptionEasy(nav.Navigat.WhereSql.HasValue(), $" {name} Navigate(NavType,WhereSql) no support update ", $"导航一对一 {name} 配置了 Sql变量 不支持更新");
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List<TChild> childList = new List<TChild>();
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foreach (var parent in parentList)
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{
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var navPropertyValue = parentColumn.PropertyInfo.GetValue(parent);
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var childItem = (TChild)nav.PropertyInfo.GetValue(parent);
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if (childItem != null)
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{
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if (IsDefaultValue(navPropertyValue))
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{
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var pkValue = thisPkColumn.PropertyInfo.GetValue(childItem);
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if (IsDefaultValue(navPropertyValue))
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{
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navPropertyValue = pkValue;
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}
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}
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if (!IsDefaultValue(navPropertyValue)&& isManyPk==false)
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{
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this._Context.Updateable<DbTableInfo>
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().AS(parentEntity.DbTableName)
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.SetColumns(parentColumn.DbColumnName, navPropertyValue)
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.Where(parentPkColumn.DbColumnName, "=", parentPkColumn.PropertyInfo.GetValue(parent)).ExecuteCommand();
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}
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if (IsDefaultValue(navPropertyValue))
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{
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InsertDatas<TChild>(new List<TChild>() { childItem }, thisPkColumn);
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navPropertyValue = thisPkColumn.PropertyInfo.GetValue(childItem);
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parentColumn.PropertyInfo.SetValue(parent, navPropertyValue);
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this._Context.Updateable<DbTableInfo>
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().AS(parentEntity.DbTableName)
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.SetColumns(parentColumn.DbColumnName, navPropertyValue)
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.Where(parentPkColumn.DbColumnName, "=", parentPkColumn.PropertyInfo.GetValue(parent)).ExecuteCommand();
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}
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thisPkColumn.PropertyInfo.SetValue(childItem, navPropertyValue);
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childList.Add(childItem);
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}
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}
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InsertDatas<TChild>(childList, thisPkColumn);
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this._ParentList = childList.Cast<object>().ToList();
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SetNewParent<TChild>(thisEntity, thisPkColumn);
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}
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}
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}
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