using BWP.B3ClientService.BO;
using Forks.EnterpriseServices.DomainObjects2;
using Forks.EnterpriseServices.DomainObjects2.DQuery;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using TSingSoft.WebPluginFramework;

namespace BWP.B3ClientService
{
  public interface IWithRowVersion
  {
    long ID { get; set; }
    int RowVersion { get; set; }
  }

  public static class ClientServiceUtils
  {
    public static bool RowVersionSame<T>(int rowVersion, long id)
      where T : IWithRowVersion
    {
      var query = new DQueryDom(new JoinAlias(typeof(T)));
      query.Where.Conditions.Add(DQCondition.And(DQCondition.EQ("ID", id), DQCondition.EQ("RowVersion", rowVersion)));
      return query.EExists();
    }

    public static bool Exist<T>(long id)
      where T : SyncBase
    {
      return Exist<T>("ID", id);
    }

    public static bool Exist<T>(string field, object value)
    {
      var query = new DQueryDom(new JoinAlias(typeof(T)));
      query.Where.Conditions.Add(DQCondition.And(DQCondition.EQ(field, value), DQCondition.EQ("DeleteState", false)));
      return query.EExists();
    }
  }
}