using System;
using System.Collections.Generic;
using System.Text;
using NOVA.DevFx.Security.Model;
using System.Data.SqlClient;
using NOVA.DevFx.Data.Utils;
using System.Data;

namespace NOVA.DevFx.Security.DataHandler
{
    /// <summary>
    /// 角色权限关联数据访问类
    /// </summary>
    public static class RolePermissionHandler
    {

        /// <summary>
        /// 将数据转换成实体类
        /// </summary>
        public static Role_In_Permission DataReaderToEntites(IDataReader dr)
        {
            Role_In_Permission model = new Role_In_Permission();
            if (dr["id"].ToString() != "")
            {
                model.id = int.Parse(dr["id"].ToString());
            }
            if (dr["module_id"].ToString() != "")
            {
                model.module_id = int.Parse(dr["module_id"].ToString());
            }
            if (dr["role_id"].ToString() != "")
            {
                model.role_id = int.Parse(dr["role_id"].ToString());
            }
            if (dr["permission_id"].ToString() != "")
            {
                model.permission_id = int.Parse(dr["permission_id"].ToString());
            }
            if (dr["enabled"].ToString() != "")
            {
                if ((dr["enabled"].ToString() == "1") || (dr["enabled"].ToString().ToLower() == "true"))
                {
                    model.enabled = true;
                }
                else
                {
                    model.enabled = false;
                }
            }
            return model;
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public static List<Role_In_Permission> GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select id,module_id,role_id,permission_id,enabled ");
            strSql.Append(" FROM s_role_in_permission ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            SqlDataReader read = SqlHelper.ExecuteReader(strSql.ToString());

            List<Role_In_Permission> m_lst = new List<Role_In_Permission>();
            while (read.Read())
            {
                Role_In_Permission item = DataReaderToEntites(read);
                if (item != null)
                {
                    m_lst.Add(item);
                }
            }
            read.Close();
            return m_lst;
        }

        /// <summary>
        /// 根据角色编号获取所有权限列表
        /// </summary>
        /// <returns></returns>
        public static List<Role_In_Permission> GetPermissionListByRoleID(int roleid)
        {
            return GetList(" (role_id=" + roleid.ToString() + ")");
        }


    }
}