using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Model;
using Common;
using Oracle.DataAccess.Client;
using System.Data.Common;

namespace Dao
{
    /// <summary>
    /// 产品操作
    /// </summary>
    public class GwProductDao
    {

        private static GwProductDao _instance;
        public static GwProductDao Instance
        {
            get {
                if (_instance == null)
                {
                    _instance = new GwProductDao();
                }
                return _instance;
            }
        }

        /// <summary>
        /// 查询启用的默认的产品
        /// </summary>
        /// <param name="clientID"></param>
        /// <returns></returns>
        public List<string> GetDefaultProduct()
        {
            List<string> list = new List<string>();
            using (OracleDataReader reader = OracleHelper.ExecuteReader(string.Format("select id from GW_PRODUCT t where is_default=1 and is_enable=1 and classes=1"), OracleHelper.Connection))
            {
                while (((DbDataReader)reader).Read())
                {
                    string id = reader.GetString(0);
                    if(!string.IsNullOrEmpty(id))
                    {
                        list.Add(id);
                    }
                    
                }
            }
            return list;
        }
    }
}