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using Blog.Core.Common.Extensions;

using Blog.Core.Model;

using SqlSugar;

using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.Linq;

using System.Reflection;

namespace Blog.Core.Common.DB;

public class EntityUtility

{

private static readonly Lazy<Dictionary<string, List<Type>>> _tenantEntitys = new(() =>

{

Dictionary<string, List<Type>> dic = new Dictionary<string, List<Type>>();

var assembly = Assembly.Load("Blog.Core.Model");

//扫描 实体

foreach (var type in assembly.GetTypes().Where(s => s.IsClass && !s.IsAbstract))

{

var tenant = type.GetCustomAttribute<TenantAttribute>();

if (tenant != null)

{

dic.TryAdd(tenant.configId.ToString(), type);

continue;

}

if (type.IsSubclassOf(typeof(RootEntityTkey<>)))

{

dic.TryAdd(MainDb.CurrentDbConnId, type);

continue;

}

var table = type.GetCustomAttribute<SugarTable>();

if (table != null)

{

dic.TryAdd(MainDb.CurrentDbConnId, type);

continue;

}

Debug.Assert(type.Namespace != null, "type.Namespace != null");

if (type.Namespace.StartsWith("Blog.Core.Model.Models"))

{

dic.TryAdd(MainDb.CurrentDbConnId, type);

continue;

}

}

return dic;

});

public static Dictionary<string, List<Type>> TenantEntitys => _tenantEntitys.Value;

}