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Navigat query

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sunkaixuan 2022-04-11 22:38:53 +08:00
parent d83c8ea13c
commit 1e3f9f899e
1 changed files with 41 additions and 30 deletions
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71
Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/NavigatManager.cs
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@ -88,37 +88,48 @@ namespace SqlSugar
private void ManyToMany(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 bEntity = navObjectNameColumnInfo.PropertyInfo.PropertyType.GetGenericArguments()[0];
var bEntityInfo = this.Context.EntityMaintenance.GetEntityInfo(bEntity);
var bPk = bEntityInfo.Columns.FirstOrDefault(it => it.IsPrimarykey);
//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);
// }
//}
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();
var mappingEntity = this.Context.EntityMaintenance.GetEntityInfo(navObjectNameColumnInfo.Navigat.MappingType);
var aColumn = mappingEntity.Columns.First(it => it.PropertyName == navObjectNameColumnInfo.Navigat.MappingAId);
var bColumn = mappingEntity.Columns.First(it => it.PropertyName == navObjectNameColumnInfo.Navigat.MappingBId);
List<IConditionalModel> conditionalModels = new List<IConditionalModel>();
conditionalModels.Add((new ConditionalModel()
{
ConditionalType = ConditionalType.In,
FieldName = aColumn.DbColumnName,
FieldValue = String.Join(",", ids),
CSharpTypeName = bColumn.PropertyInfo.PropertyType.Name
}));
var bids=this.Context.Queryable<object>().AS(mappingEntity.DbTableName).Where(conditionalModels).Select<string>(bColumn.DbColumnName).ToList();
List<IConditionalModel> conditionalModels2 = new List<IConditionalModel>();
conditionalModels2.Add((new ConditionalModel()
{
ConditionalType = ConditionalType.In,
FieldName = bPk.DbColumnName,
FieldValue = String.Join(",", bids),
CSharpTypeName = bColumn.PropertyInfo.PropertyType.Name
}));
var navList = selector(this.Context.Queryable<object>().AS(bEntityInfo.DbTableName).Where(conditionalModels2));
if (navList.HasValue())
{
foreach (var item in list)
{
var instance = Activator.CreateInstance(navObjectNamePropety.PropertyType, true);
var ilist = instance as IList;
foreach (var value in navList)
{
ilist.Add(value);
}
navObjectNamePropety.SetValue(item, instance);
}
}
}
private void OneToOne(List<object> list, Func<ISugarQueryable<object>, List<object>> selector, EntityInfo listItemEntity, System.Reflection.PropertyInfo navObjectNamePropety, EntityColumnInfo navObjectNameColumnInfo)