using System.Data;


using MyShop.DALFactory;
using MyShop.IDAL;
using MyShop.Model;

namespace MyShop.BLL
{
    public class ProductKinds
    {
        private IProductKinds dal = DataAccess.CreateProductKinds();
        private int _id;
        public ProductKinds()
        {
        }

        public ProductKinds(int id)
        {
            this._id = id;

        }

        #region ICategory member

       public int Add(ProductKindsInfo model)
        {
            if (model == null)
                return 0;
            return dal.Add(model);
        }
        public int Delete(string filter)
        {
            if (string.IsNullOrEmpty(filter))
                return 0;
            return dal.Delete(filter);
        }

        public bool Exist(string filter)
        {
            filter = filter.Trim();
            if (string.IsNullOrEmpty(filter))
                return false;
            return dal.Exist(filter);
        }

        public DataSet GetDataSet()
        {
            return dal.GetDataSet();
        }
        public DataSet GetDataSet(string filter)
        {
            filter = filter.Trim();
            if (string.IsNullOrEmpty(filter))
                return null;
            return dal.GetDataSet(filter);
        }
        public DataSet GetDataSet(int ProductKindId)
        {
            if (ProductKindId <= 0)
                return null;
            string filter = " ProductKindId=" + ProductKindId;
            return GetDataSet(filter);
        }


        public DataSet GetDataSetEnabledOrderByOrderId()
        {
            string filter = " [IsDisabled] = 0   Order by  OrderId  ";
            return GetDataSet(filter);
        }

        public ProductKindsInfo GetModel(DataRow dr)
        {
            if (dr == null)
                return null;
            return dal.GetModel(dr);
        }

        private DataSet Query(string sql)
        {
            sql = sql.Trim();
            if (string.IsNullOrEmpty(sql))
                return null;
            return dal.Query(sql);
        }

        protected int Update(ProductKindsInfo model, string filter)
        {
            if (model == null)
                return 0;
            filter = filter.Trim();
            if (string.IsNullOrEmpty(filter))
                return 0;
            return dal.Update(model, filter);
        }
        //-------------------------
        #endregion

        #region common

        public int Add(ProductKindsInfo model, out string msg)
        {
            msg = "";
            if (model == null)
            {
                msg = msg + "<li>数据不能为空</li>";
                return 0;
            }

            bool isErr = false;

            if (string.IsNullOrEmpty(model.ProductKindName.Trim()))
            {
                msg = msg + "请输入商品种类名称";
                isErr = true;
            }

            if (isErr)
                return 0;

            int count = 0;
            count = Add(model);
            if (count == 0)
                msg = "<li>系统发生错误,请重新添加!</li>";
            if (count == 1)
                msg = "<li>添加成功!</li>";
            return count;
        }

        public int Delete(int ProductKindId)
        {
            if (string.IsNullOrEmpty(ProductKindId.ToString()))
                return 0;
            string filer;
            filer = " ProductKindId =" + ProductKindId;
            return Delete(filer);
        }
        public int Update(ProductKindsInfo model)
        {

            if (model == null)
            {
                return 0;
            }
            string filter;
            filter = " ProductKindId=" + model.ProductKindId;
            return Update(model, filter);
        }

        public ProductKindsInfo GetModel(int ProductKindId)
        {
            DataSet dataset = new DataSet();
            dataset = GetDataSet(" ProductKindId=" + ProductKindId);
            if (dataset != null && dataset.Tables[0].Rows.Count > 0)
                return GetModel(dataset.Tables[0].Rows[0]);
            return null;

        }

        #endregion

        #region 以下过程要用ProductKinds product = new ProductKinds(id)实例化后才能进行调用


        #region property

        /// <summary>
        /// 获取当前项目ID
        /// </summary>
        public int ID
        {
            get
            {
                return this._id;
            }
        }

        /// <summary>
        ///  获取调查项目的实体
        /// </summary>
        public ProductKindsInfo Model
        {
            get
            {
                return GetModel(this._id);
            }
            set
            {
                Update(value);
            }
        }

        /// <summary>
        /// 获取当前对象是否存在(数据库中有没有这条记录)
        /// </summary>
        public bool isExist
        {
            get
            {
                return Model == null ? false : true;
            }
        }

        #endregion

        #endregion

        #region 后台管理
        public DataSet GetDataSetOrderByOrderId()
        {
            return GetDataSet(" productKindId > 0 Order by  OrderId  ");
        }



        /// <summary>
        /// 检查名称是否存在
        /// </summary>
        /// <param name="typeName"></param>
        /// <returns></returns>
        public bool IsExist(string productKindName)
        {
            productKindName = Utils.ReplaceBadSQL(productKindName.Trim());
            if (string.IsNullOrEmpty(productKindName))
                return false;
            string filter = " productKindName='" + productKindName + "'";

            return Exist(filter);
        }


        #endregion


    }
}