Hidistro.SqlDal/Promotions/CouponDao.cs

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namespace Hidistro.SqlDal.Promotions
{
    using Hidistro.Core;
    using Hidistro.Core.Entities;
    using Hidistro.Core.Enums;
    using Hidistro.Entities;
    using Hidistro.Entities.Orders;
    using Hidistro.Entities.Promotions;
    using Microsoft.Practices.EnterpriseLibrary.Data;
    using System;
    using System.Collections.Generic;
    using System.Data;
    using System.Data.Common;
    using System.Linq;
    using System.Runtime.InteropServices;
    using System.Text;

    public class CouponDao
    {
        private Database database = DatabaseFactory.CreateDatabase();

        public bool AddCouponProducts(int couponId, int productID)
        {
            try
            {
                CouponInfo couponDetails = this.GetCouponDetails(couponId);
                if (couponDetails != null)
                {
                    StringBuilder builder = new StringBuilder();
                    builder.AppendFormat(" insert into Hishop_Coupon_Products(couponId , ProductId) values({0} , {1}) ", couponDetails.CouponId, productID);
                    DbCommand sqlStringCommand = this.database.GetSqlStringCommand(builder.ToString());
                    this.database.ExecuteNonQuery(sqlStringCommand);
                    sqlStringCommand = this.database.GetSqlStringCommand("update Hishop_Coupon_Coupons set IsAllProduct=0 , ProductNumber=(select count(productId) from Hishop_Coupon_Products  where CouponId = @CouponId) WHERE CouponId = @CouponId");
                    this.database.AddInParameter(sqlStringCommand, "CouponId", DbType.Int32, couponId);
                    this.database.ExecuteNonQuery(sqlStringCommand);
                    return true;
                }
                return false;
            }
            catch (Exception)
            {
                return false;
            }
        }

        public bool AddCouponProducts(int couponId, bool IsAllProduct, IList<string> productIDs)
        {
            try
            {
                CouponInfo couponDetails = this.GetCouponDetails(couponId);
                if (couponDetails != null)
                {
                    DbCommand sqlStringCommand;
                    if (IsAllProduct)
                    {
                        couponDetails.IsAllProduct = true;
                        couponDetails.ProductNumber = 0;
                    }
                    else
                    {