userstateservice.cs

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//============================================================
// Producnt name:		BoBoARTS.CodeMad
// Version: 			1.0
// Coded by:			Shen Bo ([e-mail])
// Auto generated at: 	2008-9-18 16:27:58
//============================================================

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using Office.Model;

namespace Office.DAL
{
	public static partial class UserStateService
	{
        /// <summary>
        /// Method:Add user state
        /// </summary>
        /// <param name="userState"></param>
        /// <returns></returns>
        public static UserState AddUserState(UserState userState)
		{
            string sql =
				"INSERT UserState (UserStateName)" +
				"VALUES (@UserStateName)";
				
			sql += " ; SELECT @@IDENTITY";

            try
            {
				SqlParameter[] para = new SqlParameter[]
				{
					new SqlParameter("@UserStateName", userState.UserStateName)
				};
				
                int newId = DBHelper.GetScalar(sql, para);
				return GetUserStateByUserStateId(newId);
            }
            catch (Exception e)
            {
				Console.WriteLine(e.Message);
                throw e;
            }
		}
		/// <summary>
		/// Method:Delete user state
		/// </summary>
		/// <param name="userState">UserState Object</param>
        public static void DeleteUserState(UserState userState)
		{
			DeleteUserStateByUserStateId( userState.UserStateId );
		}
        /// <summary>
        /// Method:According to the consumer, ID deletes consumer state
        /// </summary>
        /// <param name="userStateId">user state id</param>
        public static void DeleteUserStateByUserStateId(int userStateId)
		{
            string sql = "DELETE UserState WHERE UserStateId = @UserStateId";

            try
            {
				SqlParameter[] para = new SqlParameter[]
				{
					new SqlParameter("@UserStateId", userStateId)
				};
			
                DBHelper.ExecuteCommand(sql, para);
            }
            catch (Exception e)
            {
				Console.WriteLine(e.Message);
				throw e;
            }
		}
		/// <summary>
		///Method:Modify user state 
        ///
		/// </summary>
		/// <param name="userState">UserState</param>
        public static void ModifyUserState(UserState userState)
        {
            string sql =
                "UPDATE UserState " +
                "SET " +
	                "UserStateName = @UserStateName " +
                "WHERE UserStateId = @UserStateId";


            try
            {
				SqlParameter[] para = new SqlParameter[]
				{
					new SqlParameter("@UserStateId", userState.UserStateId),
					new SqlParameter("@UserStateName", userState.UserStateName)
				};

				DBHelper.ExecuteCommand(sql, para);
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
				throw e;
            }

        }		
        /// <summary>
        /// Method:Get all consumers information
        /// </summary>
        /// <returns>IList</returns>
        public static IList<UserState> GetAllUserStates()
        {
            string sqlAll = "SELECT * FROM UserState";
			return GetUserStatesBySql( sqlAll );
        }
		/// <summary>
		/// Method:According to the consumer ID gains the consumer state
		/// </summary>
		/// <param name="userStateId">user state ID</param>
        /// <returns>UserState</returns>
        public static UserState GetUserStateByUserStateId(int userStateId)
        {
            string sql = "SELECT * FROM UserState WHERE UserStateId = @UserStateId";

            try
            {
                SqlDataReader reader = DBHelper.GetReader(sql, new SqlParameter("@UserStateId", userStateId));
                if (reader.Read())
                {
                    UserState userState = new UserState();

					userState.UserStateId = (int)reader["UserStateId"];
					userState.UserStateName = (string)reader["UserStateName"];

                    reader.Close();
					
                    return userState;
                }
                else
                {
                    reader.Close();
                    return null;
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                throw e;
            }
        }
		
		/// <summary>
		/// Method:According to T-SQL,the sentence gains consumer state information
		/// </summary>
		/// <param name="safeSql">security T-SQL</param>
		/// <returns>UserStates</returns>
        private static IList<UserState> GetUserStatesBySql( string safeSql )
        {
            List<UserState> list = new List<UserState>();

			try
			{
				DataTable table = DBHelper.GetDataSet( safeSql );
				
				foreach (DataRow row in table.Rows)
				{
					UserState userState = new UserState();
					
					userState.UserStateId = (int)row["UserStateId"];
					userState.UserStateName = (string)row["UserStateName"];
	
					list.Add(userState);
				}
	
				return list;
			}
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                throw e;
            }

        }
		/// <summary>
		/// Over loading Method:come to gain consumer state information according to safe T-SQL the sentence  and parameter 
		/// </summary>
		/// <param name="sql">safe T-SQL</param>
		/// <param name="values">SqlParameter</param>
		/// <returns>List<UserState></returns>
        private static IList<UserState> GetUserStatesBySql( string sql, params SqlParameter[] values )
        {
            List<UserState> list = new List<UserState>();

			try
			{
				DataTable table = DBHelper.GetDataSet( sql, values );
				
				foreach (DataRow row in table.Rows)
				{
					UserState userState = new UserState();
					
					userState.UserStateId = (int)row["UserStateId"];
					userState.UserStateName = (string)row["UserStateName"];
	
					list.Add(userState);
				}
	
				return list;
			}
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                throw e;
            }
			
        }
		
	}
}