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

namespace QMAPP.DAL.Report
{
    /// <summary>
    /// 用户权限查询
    /// </summary>
    public class QueryUserPowerDAL:BaseDAL
    {
        #region 获取用户权限信息

        /// <summary>
        /// 获取用户权限信息
        /// </summary>
        /// <param name="condition">查询条件</param>
        /// <param name="page">数据页</param>
        public DataPage GetUserPowerList(PowerQyCondition condition, DataPage page)
        {
            string sql = "";
            List<DataParameter> parameters = new List<DataParameter>();
            try
            {

                sql = this.GetQuerySql(condition, parameters);

                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    sql = this.ChangeSqlByDB(sql, session);
                    if (string.IsNullOrEmpty(page.SortExpression))
                    {
                        page.SortExpression = "USERNAME,ROLEID,AUTHORITYID";
                    }
                    page = session.GetDataPage<PowerQueryResult>(sql, parameters.ToArray(), page);
                }

                return page;
            }
            catch (Exception ex)
            {
                throw;
            }
        }

        #endregion

        #region 获取导出的数据
        /// <summary>
        /// 获取导出的数据
        /// </summary>
        /// <param name="user">查询条件</param>      
        /// <returns>数据</returns>
        public DataTable GetExportData(PowerQyCondition condition)
        {
            DataTable dt = null;
            string sql = null;
            List<DataParameter> parameters = new List<DataParameter>();
            try
            {
                //构成查询语句
                sql = this.GetQuerySql(condition,parameters);
                sql += " ORDER BY USERNAME,ROLEID,AUTHORITYID";
                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    dt = session.GetTable(sql, parameters.ToArray());
                    dt.TableName = "T_BD_CORP";
                }

                return dt;
            }
            catch (Exception ex)
            {
                throw ex;
            }

        }
        #endregion

        #region 获取查询语句

        private string GetQuerySql(PowerQyCondition condition,List<DataParameter> parameters)
        {
            string sql = "";
            string where = "";

            sql = @"SELECT U1.USERID,U1.LOGINUSERID,U1.USERNAME,U1.ORGANID,T1.AUTHORITYID,'' AS ROLEID,'' AS ROLENAME,'' AS ORGANNAME，'' AS AUTHORITYNAME 
                                FROM T_QM_ORGAIZATIONAUTHORITY T1,T_QM_USERORGAIZATION T2,T_QM_USER U1                                 
                                WHERE T1.ORGAID = T2.ORGAID AND T2.USERID = U1.USERID [WHERE]
                                UNION
                                SELECT U1.USERID,U1.LOGINUSERID,U1.USERNAME,U1.ORGANID,T1.AUTHORITYID,T1.ROLEID,'' AS ROLENAME,'' AS ORGANNAME,'' AS AUTHORITYNAME
                                FROM T_QM_ROLEAUTHORITY T1,T_QM_USERROLE T2,T_QM_USER U1  
                                WHERE T1.ROLEID = T2.ROLEID AND T2.USERID = U1.USERID [WHERE]
                                UNION
                                SELECT U1.USERID,U1.LOGINUSERID,U1.USERNAME,U1.ORGANID,T2.AUTHORITYID,'' AS ROLEID,'' AS ROLENAME,'' AS ORGANNAME,'' AS AUTHORITYNAME 
                                FROM T_QM_USERAUTHORITY T2,T_QM_USER U1
                                WHERE T2.USERID = U1.USERID [WHERE]";

            if (string.IsNullOrEmpty(condition.LOGINUSERID) == false)
            {
                where += " AND U1.LOGINUSERID = @LOGINUSERID";
                parameters.Add(new DataParameter("LOGINUSERID", condition.LOGINUSERID));
            }

            if (string.IsNullOrEmpty(condition.ORGANID) == false)
            {
                where += " AND U1.ORGANID = @ORGANID";
                parameters.Add(new DataParameter("ORGANID", condition.ORGANID));
            }

            sql = sql.Replace("[WHERE]", where);

            return sql;
        }

        #endregion
    }
}