using System;
using BWP.B3Frameworks.BL;
using Forks.EnterpriseServices.BusinessInterfaces;
using Forks.EnterpriseServices.DomainObjects2;
using Forks.EnterpriseServices.DomainObjects2.DQuery;

namespace BWP.B3DogAuth {
  [BusinessInterface(typeof(DogLoginUserBL))]
  public interface IDogLoginUserBL : IBaseBL<DogLoginUser> {

  }

  public class DogLoginUserBL : BaseBL<DogLoginUser>, IDogLoginUserBL {

    protected override void beforeInsert(DogLoginUser dmo) {
      if (dmo.ID == 0)
        throw new Exception("黑贝序号不能为空");

      if (dmo.User_ID == 0)
        throw new Exception("用户名不能为空");

      DQueryDom query = new DQueryDom(new JoinAlias(typeof(DogLoginUser)));
      query.Where.Conditions.Add(DQCondition.Or(DQCondition.EQ("ID", dmo.ID), DQCondition.EQ("User_ID", dmo.User_ID)));
      query.Columns.Add(DQSelectColumn.Field("ID"));
      if (Session.ExecuteScalar(query) != null) {
        throw new Exception("黑贝序号或用户已定义");
      }

      base.beforeInsert(dmo);
    }
  }
}