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sunkaixuan
2022-04-11 20:54:20 +08:00
parent 2943c46c27
commit 88d3df0331
10 changed files with 194 additions and 76 deletions
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153
Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/NavigatManager.cs
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@@ -1,4 +1,5 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
@@ -10,14 +11,14 @@ namespace SqlSugar
public class NavigatManager<T>
{
public SqlSugarProvider Context { get; set; }
public Action<ISugarQueryable<object>> SelectR1 { get; set; }
public Action<ISugarQueryable<object>> SelectR2 { get; set; }
public Action<ISugarQueryable<object>> SelectR3 { get; set; }
public Action<ISugarQueryable<object>> SelectR4 { get; set; }
public Action<ISugarQueryable<object>> SelectR5 { get; set; }
public Action<ISugarQueryable<object>> SelectR6 { get; set; }
public Action<ISugarQueryable<object>> SelectR7 { get; set; }
public Action<ISugarQueryable<object>> SelectR8 { get; set; }
public Func<ISugarQueryable<object>, List<object>> SelectR1 { get; set; }
public Func<ISugarQueryable<object>, List<object>> SelectR2 { get; set; }
public Func<ISugarQueryable<object>, List<object>> SelectR3 { get; set; }
public Func<ISugarQueryable<object>, List<object>> SelectR4 { get; set; }
public Func<ISugarQueryable<object>, List<object>> SelectR5 { get; set; }
public Func<ISugarQueryable<object>, List<object>> SelectR6 { get; set; }
public Func<ISugarQueryable<object>, List<object>> SelectR7 { get; set; }
public Func<ISugarQueryable<object>, List<object>> SelectR8 { get; set; }
public Expression[] Expressions { get; set; }
public List<T> RootList { get; set; }
//public QueryableProvider<T> Queryable { get; set; }
@@ -28,50 +29,112 @@ namespace SqlSugar
//private EntityInfo _entityInfo;
public void Execute()
{
foreach (var item in Expressions)
var i = 1;
foreach (var item in Expressions)
{
ExecuteByLay(i, item);
i++;
}
}
private void ExecuteByLay(int i, Expression item)
{
if (i == 1)
{
ExecuteByLay(item, RootList.Select(it => it as object).ToList(), SelectR1);
}
}
private void ExecuteByLay(Expression expression, List<object> list, Func<ISugarQueryable<object>, List<object>> selector)
{
if (list == null || list.Count == 0) return;
var memberExpression = ((expression as LambdaExpression).Body as MemberExpression);
var listItemType = list[0].GetType();
var listItemEntity = this.Context.EntityMaintenance.GetEntityInfo(listItemType);
var listPkColumn = listItemEntity.Columns.Where(it => it.IsPrimarykey).FirstOrDefault();
var navObjectName = memberExpression.Member.Name;
var navObjectNamePropety = listItemType.GetProperty(navObjectName);
var navObjectNameColumnInfo = listItemEntity.Columns.First(it => it.PropertyName == navObjectName);
Check.ExceptionEasy(navObjectNameColumnInfo.Navigat == null, $"{navObjectName} not [Navigat(..)] ", $"{navObjectName} 没有导航特性 [Navigat(..)] ");
if (navObjectNameColumnInfo.Navigat.NavigatType == NavigatType.OneToOne)
{
OneToOne(list, selector, listItemEntity, navObjectNamePropety, navObjectNameColumnInfo);
}
else if (navObjectNameColumnInfo.Navigat.NavigatType == NavigatType.OneToMany)
{
OneToMany(list, selector, listItemEntity, navObjectNamePropety, navObjectNameColumnInfo);
}
else if (navObjectNameColumnInfo.Navigat.NavigatType == NavigatType.ManyToOne)
{
}
else
{
}
}
//private void Lay1(List<Expression> preExpressionList, Expression expression, List<object> list)
//{
// if (list == null || list.Count == 0) return;
// var memberExpression = ((expression as LambdaExpression).Body as MemberExpression);
// var navName = memberExpression.Member.Name;
// var type = list[0].GetType();
// var propety = type.GetProperty(navName);
// var entity=this.Context.EntityMaintenance.GetEntityInfo(type);
// var columInfo = entity.Columns.First(it => it.PropertyName == navName);
// Check.ExceptionEasy(columInfo.Navigat == null, $"{navName} not [Navigat(..)] ", $"{navName} 没有导航特性 [Navigat(..)] ");
// var navColumn = entity.Columns.FirstOrDefault(it => it.PropertyName == columInfo.Navigat.Name);
// if (columInfo.Navigat.MappingType != null)
// {
private void OneToOne(List<object> list, Func<ISugarQueryable<object>, List<object>> selector, EntityInfo listItemEntity, System.Reflection.PropertyInfo navObjectNamePropety, EntityColumnInfo navObjectNameColumnInfo)
{
var navColumn = listItemEntity.Columns.FirstOrDefault(it => it.PropertyName == navObjectNameColumnInfo.Navigat.Name);
var navType = navObjectNamePropety.PropertyType;
var navEntityInfo = this.Context.EntityMaintenance.GetEntityInfo(navType);
var navPkColumn = navEntityInfo.Columns.Where(it => it.IsPrimarykey).FirstOrDefault();
// }
// else if (columInfo.Navigat.Name.Contains("."))
// {
var ids = list.Select(it => it.GetType().GetProperty(navObjectNameColumnInfo.Navigat.Name).GetValue(it)).Select(it => it == null ? "null" : it).Distinct().ToList();
List<IConditionalModel> conditionalModels = new List<IConditionalModel>();
conditionalModels.Add((new ConditionalModel()
{
ConditionalType = ConditionalType.In,
FieldName = navPkColumn.DbColumnName,
FieldValue = String.Join(",", ids),
CSharpTypeName = navObjectNameColumnInfo.PropertyInfo.PropertyType.Name
}));
var navList = selector(this.Context.Queryable<object>().AS(navEntityInfo.DbTableName).Where(conditionalModels));
foreach (var item in list)
{
var setValue = navList.FirstOrDefault(x => navPkColumn.PropertyInfo.GetValue(x).ObjToString() == navColumn.PropertyInfo.GetValue(item).ObjToString());
navObjectNamePropety.SetValue(item, setValue);
}
}
private void OneToMany(List<object> list, Func<ISugarQueryable<object>, List<object>> selector, EntityInfo listItemEntity, System.Reflection.PropertyInfo navObjectNamePropety, EntityColumnInfo navObjectNameColumnInfo)
{
var navEntity = navObjectNameColumnInfo.PropertyInfo.PropertyType.GetGenericArguments()[0];
var navEntityInfo = this.Context.EntityMaintenance.GetEntityInfo(navEntity);
var navColumn = navEntityInfo.Columns.FirstOrDefault(it => it.PropertyName == navObjectNameColumnInfo.Navigat.Name);
//var navType = navObjectNamePropety.PropertyType;
var listItemPkColumn = listItemEntity.Columns.Where(it => it.IsPrimarykey).FirstOrDefault();
var ids = list.Select(it => it.GetType().GetProperty(listItemPkColumn.PropertyName).GetValue(it)).Select(it => it == null ? "null" : it).Distinct().ToList();
List<IConditionalModel> conditionalModels = new List<IConditionalModel>();
conditionalModels.Add((new ConditionalModel()
{
ConditionalType = ConditionalType.In,
FieldName = navObjectNameColumnInfo.Navigat.Name,
FieldValue = String.Join(",", ids),
CSharpTypeName = listItemPkColumn.PropertyInfo.PropertyType.Name
}));
var navList = selector(this.Context.Queryable<object>().AS(navEntityInfo.DbTableName).Where(conditionalModels));
if (navList.HasValue())
foreach (var item in list)
{
var setValue = navList
.Where(x => navColumn.PropertyInfo.GetValue(x).ObjToString() == listItemPkColumn.PropertyInfo.GetValue(item).ObjToString()).ToList();
var instance = Activator.CreateInstance(navObjectNamePropety.PropertyType, true);
var ilist = instance as IList;
foreach (var value in setValue)
{
ilist.Add(value);
}
navObjectNamePropety.SetValue(item, instance);
}
}
// }
// else
// {
// var tableType =this.Context.EntityMaintenance.GetEntityInfo(list.First().GetType());
// var pkColumn = tableType.Columns.Where(it=>it.IsPrimarykey).FirstOrDefault();
// var ids = list.Select(it => it.GetType().GetProperty(navColumn.PropertyName).GetValue(it)).Select(it=>it==null?"null":it).Distinct().ToList();
// List<IConditionalModel> conditionalModels = new List<IConditionalModel>();
// conditionalModels.Add((new ConditionalModel() {
// ConditionalType = ConditionalType.In,
// FieldName= pkColumn.DbColumnName,
// FieldValue=String.Join(",", ids),
// CSharpTypeName=columInfo.PropertyInfo.PropertyType.Name
// }));
// var list2 = this.Context.Queryable<object>().AS(tableType.DbTableName).Where(conditionalModels).ToList();
// foreach (var item in list)
// {
// item.
// }
// }
//}
//private void Lay2(List<Expression> preExpressionList, List<T> list)
//{