regulatory_net/Admin.NET.Core/SqlSugar/SqlSugarRepository.cs

namespace Admin.NET.Core;

/// <summary>
/// SqlSugar 实体仓储
/// </summary>
/// <typeparam name="T"></typeparam>
public class SqlSugarRepository<T> : SimpleClient<T> where T : class, new()
{
    public SqlSugarRepository()
    {
        var iTenant = App.GetRequiredService<ISqlSugarClient>().AsTenant();
        base.Context = iTenant.GetConnectionScope(SqlSugarConst.MainConfigId);

        // 若实体贴有多库特性，则返回指定库连接
        if (typeof(T).IsDefined(typeof(TenantAttribute), false))
        {
            base.Context = iTenant.GetConnectionScopeWithAttr<T>();
            return;
        }

        // 若实体贴有日志表特性，则返回日志库连接
        if (typeof(T).IsDefined(typeof(LogTableAttribute), false))
        {
            if (iTenant.IsAnyConnection(SqlSugarConst.LogConfigId))
                base.Context = iTenant.GetConnectionScope(SqlSugarConst.LogConfigId);
            return;
        }

        // 若实体贴有系统表特性，则返回默认库连接
        if (typeof(T).IsDefined(typeof(SysTableAttribute), false))
            return;

        // 若未贴任何表特性或当前未登录或是默认租户Id，则返回默认库连接
        var tenantId = App.User?.FindFirst(ClaimConst.TenantId)?.Value;
        if (string.IsNullOrWhiteSpace(tenantId) || tenantId == SqlSugarConst.MainConfigId) return;

        // 根据租户Id切换库连接, 为空则返回默认库连接
        var sqlSugarScopeProviderTenant = App.GetRequiredService<SysTenantService>().GetTenantDbConnectionScope(long.Parse(tenantId));
        if (sqlSugarScopeProviderTenant == null) return;
        base.Context = sqlSugarScopeProviderTenant;
    }
}