using System;
using System.Data;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using QMFrameWork.Data;
using QMAPP.Entity.Sys;

namespace QMAPP.DAL.Sys
{
    /// <summary>
    /// 桌面快捷方式数据层对象
    /// 创建者：李炳海
    /// 创建日期：2015.2.25
    /// </summary>
    public class DeskTopItemDAL:BaseDAL
    {
        #region 根据桌面布局信息

        /// <summary>
        /// 根据桌面布局信息
        /// </summary>
        /// <param name="userID">用户ID</param>
        /// <returns>桌面布局信息集合</returns>
        public List<DeskTopItem> GetList(string userID)
        {
            List<DataParameter> parameters = new List<DataParameter>();
            string sql = @"SELECT PID,USERID,MENUID,SORT
                           FROM T_QM_DESKTOPITEM WHERE USERID = @USERID ORDER BY SORT ASC";
            parameters.Add(new DataParameter
            {
                ParameterName = "USERID",
                DataType = DbType.String,
                Value = userID
            });
            try
            {
                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    sql = base.ChangeSqlByDB(sql, session);
                    return session.GetList<DeskTopItem>(sql, parameters.ToArray()).ToList<DeskTopItem>();
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        #endregion

        #region 获取最大值序号

        /// <summary>
        /// 获取最大值序号
        /// </summary>
        /// <param name="userID">用户主键</param>
        /// <returns>最大值序号</returns>
        public int GetMaxSort(string userID)
        {
            string sql = "SELECT MAX(SORT) FROM T_QM_DESKTOPITEM WHERE USERID = @USERID";

            int count = 0;
            object value;
            try
            {
                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    sql = base.ChangeSqlByDB(sql, session);
                    value=session.ExecuteSqlScalar(sql,new DataParameter("USERID",userID));
                    if (value!=System.DBNull.Value)
                    {
                        count=int.Parse(value.ToString());
                    }
                }
                return count;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        #endregion

        #region 添加

        /// <summary>
        /// 添加
        /// </summary>
        /// <param name="info">信息</param>
        /// <returns>插入行数</returns>
        public int Insert(DeskTopItem info)
        {
            int count = 0;

            try
            {
                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    count = session.Insert<DeskTopItem>(info);
                }
                return count;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        #endregion

        #region 交换序号

        /// <summary>
        /// 交换序号
        /// </summary>
        /// <param name="userID">用户主键</param>
        /// <param name="id1">主键1</param>
        /// <param name="id2">主键2</param>
        public void ExchangeSort(string userID, string id1, string id2)
        {
            DeskTopItem item1 = new DeskTopItem();
            DeskTopItem item2 = new DeskTopItem();
            int sort = 0;
            string sql = "";

            item1.PID = id1;
            item2.PID = id2;
            try
            {
                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    //获取基本信息
                    sql = "SELECT * FROM T_QM_DESKTOPITEM WHERE USERID = @USERID AND MENUID = @MENUID";
                    sql = this.ChangeSqlByDB(sql, session);
                    item1 = session.Get<DeskTopItem>(sql, new DataParameter("USERID", userID), new DataParameter("MENUID",id1));
                    item2 = session.Get<DeskTopItem>(sql, new DataParameter("USERID", userID), new DataParameter("MENUID", id2));

                    //交换序号
                    sort = item1.SORT;
                    item1.SORT = item2.SORT;
                    item2.SORT = sort;

                    //更新
                    session.Update<DeskTopItem>(item1);
                    session.Update<DeskTopItem>(item2);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 删除

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="guid">主键</param>
        /// <returns>删除个数</returns>
        public int Delete(string userID,string id)
        {
            int count = 0;
            string sql = "";
            try
            {
                sql = "DELETE FROM T_QM_DESKTOPITEM WHERE USERID = @USERID AND MENUID = @MENUID";
                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    sql = this.ChangeSqlByDB(sql, session);
                    count = session.ExecuteSql(sql, new DataParameter("USERID", userID), new DataParameter("MENUID", id));
                }
                return count;
            }
            catch (Exception ex)
            {
                throw ex;
            }

        }
        #endregion
    }
}