331 lines
16 KiB
C#
331 lines
16 KiB
C#
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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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public NavigateType? _NavigateType { get; set; }
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private void UpdateOneToMany<TChild>(string name, EntityColumnInfo nav) where TChild : class, new()
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{
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if (_Options?.OneToManyInsertOrUpdate == true)
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{
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InsertOrUpdate<TChild>(name,nav);
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}
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else
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{
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DeleteInsert<TChild>(name, nav);
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}
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}
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private void InsertOrUpdate<TChild>(string name, EntityColumnInfo nav) where TChild : class, new()
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{
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List<TChild> children = new List<TChild>();
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var parentEntity = _ParentEntity;
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var parentList = _ParentList;
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var parentNavigateProperty = parentEntity.Columns.FirstOrDefault(it => it.PropertyName == name);
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var thisEntity = this._Context.EntityMaintenance.GetEntityInfo<TChild>();
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var thisPkColumn = GetPkColumnByNav2(thisEntity, nav);
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var thisFkColumn = GetFKColumnByNav(thisEntity, nav);
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EntityColumnInfo parentPkColumn = GetParentPkColumn();
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EntityColumnInfo parentNavColumn = GetParentPkNavColumn(nav);
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if (parentNavColumn != null)
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{
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parentPkColumn = parentNavColumn;
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}
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if (ParentIsPk(parentNavigateProperty))
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{
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parentPkColumn = this._ParentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
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}
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var ids = new List<object>();
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foreach (var item in parentList)
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{
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var parentValue = parentPkColumn.PropertyInfo.GetValue(item);
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var childs = parentNavigateProperty.PropertyInfo.GetValue(item) as List<TChild>;
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if (childs != null)
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{
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foreach (var child in childs)
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{
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thisFkColumn.PropertyInfo.SetValue(child, parentValue, null);
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}
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children.AddRange(childs);
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}
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ids.Add(parentValue);
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if (_Options?.OneToManyNoDeleteNull == true && childs == null)
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{
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ids.Remove(parentValue);
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}
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}
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if (NotAny(name))
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{
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DeleteMany(thisEntity, ids, thisFkColumn.DbColumnName);
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if (this._Options?.OneToManyEnableLogicDelete == true)
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{
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var locgicColumn = thisEntity.Columns.FirstOrDefault(it => it.PropertyName.EqualCase("IsDeleted") || it.PropertyName.EqualCase("IsDelete"));
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Check.ExceptionEasy(
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locgicColumn == null,
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thisEntity.EntityName + "Logical deletion requires the entity to have the IsDeleted property",
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thisEntity.EntityName + "假删除需要实体有IsDeleted属性");
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List<IConditionalModel> conditionalModels = new List<IConditionalModel>();
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conditionalModels.Add(new ConditionalModel()
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{
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FieldName = thisFkColumn.DbColumnName,
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FieldValue = string.Join(",", ids.Distinct()),
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ConditionalType = ConditionalType.In,
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CSharpTypeName = thisFkColumn?.PropertyInfo?.PropertyType?.Name
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});
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var sqlObj = _Context.Queryable<object>().SqlBuilder.ConditionalModelToSql(conditionalModels);
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this._Context.Updateable<object>()
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.AS(thisEntity.DbTableName)
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.Where(sqlObj.Key, sqlObj.Value)
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.SetColumns(locgicColumn.DbColumnName, true)
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.ExecuteCommand();
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}
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else
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{
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var list=this._Context.Queryable<TChild>()
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.AS(thisEntity.DbTableName)
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.In(thisFkColumn.DbColumnName, ids.Distinct().ToList())
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.ToList();
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List<TChild> result = GetNoExistsId(list, children, thisPkColumn.PropertyName);
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if (result.Any())
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{
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this._Context.Deleteable(result).ExecuteCommand();
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}
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}
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_NavigateType = NavigateType.OneToMany;
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InsertDatas(children, thisPkColumn);
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}
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else
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{
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this._ParentList = children.Cast<object>().ToList();
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}
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_NavigateType = null;
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SetNewParent<TChild>(thisEntity, thisPkColumn);
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}
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private void DeleteInsert<TChild>(string name, EntityColumnInfo nav) where TChild : class, new()
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{
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List<TChild> children = new List<TChild>();
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var parentEntity = _ParentEntity;
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var parentList = _ParentList;
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var parentNavigateProperty = parentEntity.Columns.FirstOrDefault(it => it.PropertyName == name);
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var thisEntity = this._Context.EntityMaintenance.GetEntityInfo<TChild>();
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var thisPkColumn = GetPkColumnByNav2(thisEntity, nav);
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var thisFkColumn = GetFKColumnByNav(thisEntity, nav);
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EntityColumnInfo parentPkColumn = GetParentPkColumn();
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EntityColumnInfo parentNavColumn = GetParentPkNavColumn(nav);
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if (parentNavColumn != null)
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{
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parentPkColumn = parentNavColumn;
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}
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if (ParentIsPk(parentNavigateProperty))
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{
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parentPkColumn = this._ParentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
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}
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var ids = new List<object>();
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foreach (var item in parentList)
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{
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var parentValue = parentPkColumn.PropertyInfo.GetValue(item);
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var childs = parentNavigateProperty.PropertyInfo.GetValue(item) as List<TChild>;
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if (childs != null)
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{
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foreach (var child in childs)
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{
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thisFkColumn.PropertyInfo.SetValue(child, parentValue, null);
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}
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children.AddRange(childs);
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}
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ids.Add(parentValue);
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if (_Options?.OneToManyNoDeleteNull == true && childs == null)
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{
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ids.Remove(parentValue);
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}
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}
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if (NotAny(name))
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{
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DeleteMany(thisEntity, ids, thisFkColumn.DbColumnName);
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if (this._Options?.OneToManyEnableLogicDelete == true)
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{
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var locgicColumn = thisEntity.Columns.FirstOrDefault(it => it.PropertyName.EqualCase("IsDeleted") || it.PropertyName.EqualCase("IsDelete"));
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Check.ExceptionEasy(
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locgicColumn == null,
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thisEntity.EntityName + "Logical deletion requires the entity to have the IsDeleted property",
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thisEntity.EntityName + "假删除需要实体有IsDeleted属性");
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List<IConditionalModel> conditionalModels = new List<IConditionalModel>();
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conditionalModels.Add(new ConditionalModel()
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{
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FieldName = thisFkColumn.DbColumnName,
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FieldValue = string.Join(",", ids.Distinct()),
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ConditionalType = ConditionalType.In,
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CSharpTypeName = thisFkColumn?.PropertyInfo?.PropertyType?.Name
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});
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var sqlObj = _Context.Queryable<object>().SqlBuilder.ConditionalModelToSql(conditionalModels);
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this._Context.Updateable<object>()
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.AS(thisEntity.DbTableName)
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.Where(sqlObj.Key, sqlObj.Value)
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.SetColumns(locgicColumn.DbColumnName, true)
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.ExecuteCommand();
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}
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else
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{
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if (this._Context?.CurrentConnectionConfig?.MoreSettings?.IsAutoDeleteQueryFilter == true)
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{
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this._Context.Deleteable<object>()
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.AS(thisEntity.DbTableName)
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.EnableQueryFilter(thisEntity.Type)
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.In(thisFkColumn.DbColumnName, ids.Distinct().ToList()).ExecuteCommand();
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}
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else
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{
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this._Context.Deleteable<object>()
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.AS(thisEntity.DbTableName)
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.In(thisFkColumn.DbColumnName, ids.Distinct().ToList()).ExecuteCommand();
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}
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}
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_NavigateType = NavigateType.OneToMany;
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InsertDatas(children, thisPkColumn);
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}
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else
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{
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this._ParentList = children.Cast<object>().ToList();
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}
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_NavigateType = null;
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SetNewParent<TChild>(thisEntity, thisPkColumn);
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}
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private static bool ParentIsPk(EntityColumnInfo parentNavigateProperty)
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{
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return parentNavigateProperty != null &&
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parentNavigateProperty.Navigat != null &&
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parentNavigateProperty.Navigat.NavigatType == NavigateType.OneToMany &&
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parentNavigateProperty.Navigat.Name2 == null;
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}
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private void DeleteMany(EntityInfo thisEntity, List<object> ids,string fkName)
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{
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if (_Options == null||_Options.OneToManyDeleteAll==false)
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{
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return;
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}
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var oneToManys = thisEntity.Columns.Where(it => it.Navigat != null && it.Navigat.NavigatType == NavigateType.OneToMany).ToList();
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foreach (var oneToMany in oneToManys)
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{
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var fkFieldName = oneToMany.Navigat.Name2 ?? thisEntity.Columns.FirstOrDefault(it => it.IsPrimarykey).PropertyName;
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var fkDbColumnName = thisEntity.Columns.FirstOrDefault(it => it.PropertyName == fkFieldName).DbColumnName;
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var fks = this._Context.Queryable<object>()
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.AS(thisEntity.DbTableName)
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.In(fkName, ids.Distinct().ToList()).Select(fkDbColumnName).ToDataTable().Rows.Cast<System.Data.DataRow>().Select(x => x[0]).ToArray();
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var type = oneToMany.PropertyInfo.PropertyType.GenericTypeArguments[0];
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var entity = this._Context.EntityMaintenance.GetEntityInfo(type);
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var id = oneToMany.Navigat.Name;
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var column = entity.Columns.FirstOrDefault(it => it.PropertyName == id).DbColumnName;
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DeleteChild(fks, entity, column);
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this._Context.Deleteable<object>()
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.AS(entity.DbTableName)
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.In(column, fks.Distinct().ToList()).ExecuteCommand();
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}
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}
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private void DeleteChild(object[] fks, EntityInfo entity, string column)
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{
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var childs = entity.Columns.Where(it => it.Navigat != null && it.Navigat?.NavigatType == NavigateType.OneToMany).ToList();
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if (childs.Any())
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{
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var pkColumn = entity.Columns.First(it => it.IsPrimarykey);
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var pkIds = this._Context.Queryable<object>()
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.AS(entity.DbTableName)
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.In(column, fks.Distinct().ToList())
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.Select(pkColumn.DbColumnName).ToDataTable().Rows
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.Cast<System.Data.DataRow>().Select(it => it[0]).ToList();
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DeleteChildChild(pkIds, childs);
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}
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}
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int childIndex = 0;
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private void DeleteChildChild(List<object> ids, List<EntityColumnInfo> childs)
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{
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childIndex++;
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if (childIndex > 4)
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{
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Check.ExceptionEasy("Removing too many levels", "安全机制限制删除脏数据层级不能超过7层");
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}
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foreach (var columnInfo in childs)
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{
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var navigat = columnInfo.Navigat;
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var type = columnInfo.PropertyInfo.PropertyType.GenericTypeArguments[0];
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var thisEntity = this._Context.EntityMaintenance.GetEntityInfo(type);
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var fkColumn = thisEntity.Columns.FirstOrDefault(it => navigat.Name.EqualCase(it.PropertyName));
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var thisPkColumn = thisEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
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var childs2 = thisEntity.Columns.Where(it => it.Navigat != null && it.Navigat?.NavigatType == NavigateType.OneToMany).ToList(); ;
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if (childs2.Any())
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{
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var pkIds = _Context.Queryable<object>().AS(thisEntity.DbTableName)
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.In(fkColumn.DbColumnName, ids)
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.Select(thisPkColumn.DbColumnName).ToDataTable().Rows
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.Cast<System.Data.DataRow>().Select(it => it[0]).ToList();
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DeleteChildChild(pkIds, childs2);
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}
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_Context.Deleteable<object>().AS(thisEntity.DbTableName).In(fkColumn.DbColumnName, ids).ExecuteCommand();
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}
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}
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private EntityColumnInfo GetParentPkColumn()
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{
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EntityColumnInfo parentPkColumn = _ParentPkColumn;
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if (_ParentPkColumn == null)
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{
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parentPkColumn = _ParentPkColumn = this._ParentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
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}
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return parentPkColumn;
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}
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private EntityColumnInfo GetParentPkNavColumn(EntityColumnInfo nav)
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{
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EntityColumnInfo result = null;
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if (nav.Navigat.Name2.HasValue())
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{
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result = _ParentPkColumn = this._ParentEntity.Columns.FirstOrDefault(it => it.PropertyName == nav.Navigat.Name2);
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}
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return result;
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}
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private void SetNewParent<TChild>(EntityInfo entityInfo, EntityColumnInfo entityColumnInfo) where TChild : class, new()
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{
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this._ParentEntity = entityInfo;
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this._ParentPkColumn = entityColumnInfo;
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}
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public List<TChild> GetNoExistsId<TChild>(List<TChild> old, List<TChild> newList, string pkName)
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{
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List<TChild> result = new List<TChild>();
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// 将newList中的主键属性转换为字符串集合
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var newIds = newList.Select(item => GetPropertyValueAsString(item, pkName)).ToList();
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// 获取在old中但不在newList中的主键属性值
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result = old.Where(item => !newIds.Contains(GetPropertyValueAsString(item, pkName)))
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.ToList();
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return result;
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}
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// 获取对象的属性值
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private string GetPropertyValueAsString<TChild>(TChild item, string propertyName)
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{
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var property = item.GetType().GetProperty(propertyName);
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if (property != null)
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{
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return property.GetValue(item, null)+"";
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}
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else
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{
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throw new ArgumentException($"Property '{propertyName}' not found on type {item.GetType().Name}");
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}
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}
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}
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}
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