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增加 IncludeByProperty 扩展方法，支持集合和普通属性；

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This commit is contained in:
2881099 2022-05-01 15:34:33 +08:00
parent 48bf7bdd98
commit d2a7c52297
4 changed files with 98 additions and 47 deletions
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9
FreeSql.DbContext/FreeSql.DbContext.xml
View File

@ -538,5 +538,14 @@
<param name="that"></param>
<returns></returns>
</member>
<member name="M:Microsoft.Extensions.DependencyInjection.FreeSqlRepositoryDependencyInjection.AddFreeRepository(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Action{FreeSql.FluentDataFilter},System.Reflection.Assembly[])">
<summary>
批量注入 Repository，可以参考代码自行调整
</summary>
<param name="services"></param>
<param name="globalDataFilter"></param>
<param name="assemblies"></param>
<returns></returns>
</member>
</members>
</doc>

4
FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs
View File

@ -1284,7 +1284,7 @@ WHERE (((cast(a.""Id"" as character)) in (SELECT b.""Title""
var by0 = g.sqlite.Select<TestInclude_OneToManyModel2>()
.Where(a => a.model2id <= model1.id)
.ToList();
by0.IncludeMany(g.sqlite, "childs", "model2111Idaaa=model2id", 2, "id");
by0.IncludeByPropertyName(g.sqlite, "childs", "model2111Idaaa=model2id", 2, "id");
var t0 = g.sqlite.Select<TestInclude_OneToManyModel2>()
.IncludeMany(a => a.childs.Where(m3 => m3.model2111Idaaa == a.model2id))
@ -1304,7 +1304,7 @@ WHERE (((cast(a.""Id"" as character)) in (SELECT b.""Title""
var by1 = g.sqlite.Select<TestInclude_OneToManyModel1>()
.Where(a => a.id <= model1.id)
.ToList();
by1.IncludeMany(g.sqlite, "model2.childs", "model2111Idaaa=model2id");
by1.IncludeByPropertyName(g.sqlite, "model2.childs", "model2111Idaaa=model2id");
var t1 = g.sqlite.Select<TestInclude_OneToManyModel1>()
.IncludeMany(a => a.model2.childs.Where(m3 => m3.model2111Idaaa == a.model2.model2id))
.Where(a => a.id <= model1.id)

115
FreeSql/Extensions/FreeSqlGlobalExtensions.cs
View File

@ -326,36 +326,77 @@ public static partial class FreeSqlGlobalExtensions
}
#endif
/// <summary>
/// 本方法实现从已知的内存 List 数据，进行和 ISelect.IncludeMany 相同功能的贪婪加载<para></para>
/// 示例：new List&lt;Song&gt;(new[] { song1, song2, song3 }).IncludeMany(fsql, "Tags", "ParentId=Id", 5, "Id,Name");<para></para>
/// 本方法实现从已知的内存 List 数据，进行和 ISelect.IncludeMany/Include 相同功能的贪婪加载<para></para>
/// 集合：new List&lt;Song&gt;(new[] { song1, song2, song3 }).IncludeByPropertyName(fsql, "Tags", "ParentId=Id", 5, "Id,Name");<para></para>
/// 普通：new List&lt;Song&gt;(new[] { song1, song2, song3 }).IncludeByPropertyName(fsql, "Catetory"); <para></para>
/// －－－普通属性 where/take/select 参数将无效<para></para>
/// 文档：https://github.com/dotnetcore/FreeSql/wiki/%E8%B4%AA%E5%A9%AA%E5%8A%A0%E8%BD%BD
/// </summary>
/// <typeparam name="T1"></typeparam>
/// <param name="list"></param>
/// <param name="orm"></param>
/// <param name="property">选择一个集合属性</param>
/// <param name="where">设置临时的关系映射，格式：子类属性=T1属性</param>
/// <param name="take">每个子集合只取条数</param>
/// <param name="select">设置只查询部分字段</param>
/// <param name="property">选择一个集合或普通属性</param>
/// <param name="where">设置临时的子集合关系映射，格式：子类属性=T1属性</param>
/// <param name="take">设置子集合只取条数</param>
/// <param name="select">设置子集合只查询部分字段</param>
/// <returns></returns>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="Exception"></exception>
public static List<T1> IncludeMany<T1>(this List<T1> list, IFreeSql orm, string property, string where = null, int take = 0, string select = null) where T1 : class
public static List<T1> IncludeByPropertyName<T1>(this List<T1> list, IFreeSql orm, string property, string where = null, int take = 0, string select = null) where T1 : class
{
if (list == null || list.Any() == false) return list;
IncludeManyByPropertyNameCommonGetSelect<T1>(orm, property, where, take, select).SetList(list);
if (orm.CodeFirst.IsAutoSyncStructure)
{
var tb = orm.CodeFirst.GetTableByEntity(typeof(T1));
if (tb == null || tb.Primarys.Any() == false)
(orm.CodeFirst as CodeFirstProvider)._dicSycedTryAdd(typeof(T1)); //._dicSyced.TryAdd(typeof(TReturn), true);
}
var props = property.Split('.');
var t1tb = orm.CodeFirst.GetTableByEntity(typeof(T1));
var t1sel = orm.Select<T1>() as Select1Provider<T1>;
var t1expFul = t1sel.ConvertStringPropertyToExpression(property, true);
var t1exp = props.Length == 1 ? t1expFul : t1sel.ConvertStringPropertyToExpression(props[0], true);
if (t1expFul == null) throw new ArgumentException($"{nameof(property)} 无法解析为表达式树");
var propElementType = t1expFul.Type.GetGenericArguments().FirstOrDefault() ?? t1expFul.Type.GetElementType();
if (propElementType != null) //IncludeMany
{
if (props.Length > 1)
IncludeByPropertyName(list, orm, string.Join(".", props.Take(props.Length - 1)));
IncludeManyByPropertyNameCommonGetSelect<T1>(orm, property, where, take, select).SetList(list);
return list;
}
var tbtr = t1tb.GetTableRef(props[0], true);
if (tbtr == null) throw new ArgumentException($"{nameof(property)} 参数错误，它不是有效的导航属性");
var reftb = orm.CodeFirst.GetTableByEntity(t1exp.Type);
var refsel = orm.Select<object>().AsType(t1exp.Type) as Select1Provider<object>;
if (props.Length > 1)
{
var refexp = refsel.ConvertStringPropertyToExpression(string.Join(".", props.Skip(1)), true);
refsel.Include(Expression.Lambda<Func<object, object>>(refexp, refsel._tables[0].Parameter));
}
var listdic = list.Select(item =>
{
var refitem = t1exp.Type.CreateInstanceGetDefaultValue();
for (var a = 0; a < tbtr.Columns.Count; a++)
{
var colval = FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetPropertyValue(t1tb, item, tbtr.Columns[a].CsName);
FreeSql.Extensions.EntityUtil.EntityUtilExtensions.SetPropertyValue(reftb, refitem, tbtr.RefColumns[a].CsName, colval);
}
return new
{
item,
refitem,
key = FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityKeyString(orm, reftb.Type, refitem, false)
};
}).GroupBy(a => a.key).ToDictionary(a => a.Key, a => a);
refsel.WhereDynamic(listdic.Values.Select(a => a.First().refitem).ToList());
var reflist = refsel.ToList();
reflist.ForEach(refitem =>
{
var key = FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityKeyString(orm, reftb.Type, refitem, false);
foreach (var listitem in listdic[key])
FreeSql.Extensions.EntityUtil.EntityUtilExtensions.SetPropertyValue(t1tb, listitem.item, property, refitem);
});
return list;
}
#if net40
#else
async public static Task<List<T1>> IncludeManyAsync<T1>(this List<T1> list, IFreeSql orm, string property, string where = null, int take = 0, string select = null) where T1 : class
{
if (list == null || list.Any() == false) return list;
await IncludeManyByPropertyNameCommonGetSelect<T1>(orm, property, where, take, select).SetListAsync(list);
return list;
}
#endif
static Select1Provider<T1> IncludeManyByPropertyNameCommonGetSelect<T1>(IFreeSql orm, string property, string where = null, int take = 0, string select = null) where T1 : class
{
if (orm.CodeFirst.IsAutoSyncStructure)
@ -432,9 +473,9 @@ public static partial class FreeSqlGlobalExtensions
incMethod.MakeGenericMethod(reftb.Type).Invoke(sel, new object[] { navigateSelector, null });
return sel;
}
#endregion
#endregion
#region ToTreeList() 父子分类
#region ToTreeList() 父子分类
/// <summary>
/// 查询数据，加工为树型 List 返回<para></para>
/// 注意：实体需要配置父子导航属性
@ -487,9 +528,9 @@ public static partial class FreeSqlGlobalExtensions
return list.Except(list.SelectMany(a => FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityValueWithPropertyName(select._orm, tb.Type, a, navs[0].Property.Name) as IEnumerable<T1>)).ToList();
}
#endif
#endregion
#endregion
#region AsTreeCte(..) 递归查询
#region AsTreeCte(..) 递归查询
static ConcurrentDictionary<string, string> _dicMySqlVersion = new ConcurrentDictionary<string, string>();
/// <summary>
/// 使用递归 CTE 查询树型的所有子记录，或者所有父记录。<para></para>
@ -717,9 +758,9 @@ SELECT ");
nsselsb.Clear();
return newSelect;
}
#endregion
#endregion
#region OrderBy Random 随机排序
#region OrderBy Random 随机排序
/// <summary>
/// 随机排序<para></para>
@ -759,9 +800,9 @@ SELECT ");
}
throw new NotSupportedException($"{s0p._orm.Ado.DataType} 不支持 OrderByRandom 随机排序");
}
#endregion
#endregion
#region IFreeSql Insert/Update/InsertOrUpdate/Delete Dictionary<string, object>
#region IFreeSql Insert/Update/InsertOrUpdate/Delete Dictionary<string, object>
/// <summary>
/// 插入数据字典 Dictionary&lt;string, object&gt;
/// </summary>
@ -871,7 +912,7 @@ SELECT ");
return deleteDict ?? new DeleteDictImpl(freesql);
}
#region InsertDictImpl
#region InsertDictImpl
public class InsertDictImpl
{
internal readonly InsertProvider<Dictionary<string, object>> _insertProvider;
@ -934,9 +975,9 @@ SELECT ");
return this;
}
}
#endregion
#endregion
#region UpdateDictImpl
#region UpdateDictImpl
public class UpdateDictImpl
{
internal readonly UpdateProvider<Dictionary<string, object>> _updateProvider;
@ -1022,9 +1063,9 @@ SELECT ");
return this;
}
}
#endregion
#endregion
#region InsertOrUpdateDictImpl
#region InsertOrUpdateDictImpl
public class InsertOrUpdateDictImpl
{
internal readonly InsertOrUpdateProvider<Dictionary<string, object>> _insertOrUpdateProvider;
@ -1075,9 +1116,9 @@ SELECT ");
return this;
}
}
#endregion
#endregion
#region DeleteDictImpl
#region DeleteDictImpl
public class DeleteDictImpl
{
internal readonly DeleteProvider<Dictionary<string, object>> _deleteProvider;
@ -1120,7 +1161,7 @@ SELECT ");
return this;
}
}
#endregion
#endregion
#endregion
#endregion
}

17
FreeSql/FreeSql.xml
View File

@ -4653,22 +4653,23 @@
<param name="then">即能 ThenInclude，还可以二次过滤（这个 EFCore 做不到？）</param>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalExtensions.IncludeMany``1(System.Collections.Generic.List{``0},IFreeSql,System.String,System.String,System.Int32,System.String)">
<member name="M:FreeSqlGlobalExtensions.IncludeByPropertyName``1(System.Collections.Generic.List{``0},IFreeSql,System.String,System.String,System.Int32,System.String)">
<summary>
本方法实现从已知的内存 List 数据，进行和 ISelect.IncludeMany 相同功能的贪婪加载<para></para>
示例：new List&lt;Song&gt;(new[] { song1, song2, song3 }).IncludeMany(fsql, "Tags", "ParentId=Id", 5, "Id,Name");<para></para>
本方法实现从已知的内存 List 数据，进行和 ISelect.IncludeMany/Include 相同功能的贪婪加载<para></para>
集合：new List&lt;Song&gt;(new[] { song1, song2, song3 }).IncludeByPropertyName(fsql, "Tags", "ParentId=Id", 5, "Id,Name");<para></para>
普通：new List&lt;Song&gt;(new[] { song1, song2, song3 }).IncludeByPropertyName(fsql, "Catetory"); <para></para>
－－－普通属性 where/take/select 参数将无效<para></para>
文档：https://github.com/dotnetcore/FreeSql/wiki/%E8%B4%AA%E5%A9%AA%E5%8A%A0%E8%BD%BD
</summary>
<typeparam name="T1"></typeparam>
<param name="list"></param>
<param name="orm"></param>
<param name="property">选择一个集合属性</param>
<param name="where">设置临时的关系映射，格式：子类属性=T1属性</param>
<param name="take">每个子集合只取条数</param>
<param name="select">设置只查询部分字段</param>
<param name="property">选择一个集合或普通属性</param>
<param name="where">设置临时的子集合关系映射，格式：子类属性=T1属性</param>
<param name="take">设置子集合只取条数</param>
<param name="select">设置子集合只查询部分字段</param>
<returns></returns>
<exception cref="T:System.ArgumentException"></exception>
<exception cref="T:System.Exception"></exception>
</member>
<member name="M:FreeSqlGlobalExtensions.ToTreeList``1(FreeSql.ISelect{``0})">
<summary>