using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using FireBirdUtil.SqlUtils;
using WeighBusiness.BO;
using WeighBusiness.Utils;
using WeighBusiness.Utils.SqlUtils;

namespace WeighBusiness.BL
{
  public static class CarBL
  {
    public static bool Save(Car car)
    {
      return Insert(car);
    }

    private static bool Insert(Car car)
    {
      string insertSql = InsertUtil.GetInsertSql(TableNames.车辆表,
        new string[] { "Car_Number", "Car_Weight"},
        new string[] { car.Car_Number, car.Car_Weight});

      bool success;
      using (var she = new SqlHelperEx()) {
        she.CreateTransaction();
        she.ExecuteNonQuery(insertSql, out success);
        if (!success)
          she.Rollback();
        else
          she.Commit();
      }
      return success;
    }

    public static void Delete(long ID)
    {
      var sql = SqlUtil.GetDeleteSql(TableNames.车辆表, "where ID=" + ID.ToString());
      using (var she = new SqlHelperEx()) {
        bool success;
        she.CreateTransaction();
        she.ExecuteNonQuery(sql, out success);
        if (!success)
          she.Rollback();
        else
          she.Commit();
      }
    }

    public static IList<Car> LoadAll()
    {
      return LocalQueryUtil.GetLocalCars();
    }

    public static Car Load(string carNumber)
    {
      return LocalQueryUtil.GetLocalCar(carNumber);
    }
  }
}