BootstrapAdmin/Bootstrap.DataAccess/UserHelper.cs

109 lines
4.3 KiB
C#

using Longbow.Caching;
using Longbow.Caching.Configuration;
using Longbow.ExceptionManagement;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Globalization;
using System.Linq;
namespace Bootstrap.DataAccess
{
public static class UserHelper
{
private const string UserDataKey = "UserData-CodeUserHelper";
/// <summary>
/// 查询所有用户
/// </summary>
/// <param name="pIds"></param>
/// <returns></returns>
public static IEnumerable<User> RetrieveUsers(string tId = null)
{
string sql = "select * from Users";
var ret = CacheManager.GetOrAdd(UserDataKey, CacheSection.RetrieveIntervalByKey(UserDataKey), key =>
{
List<User> Users = new List<User>();
DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql);
try
{
using (DbDataReader reader = DBAccessManager.SqlDBAccess.ExecuteReader(cmd))
{
while (reader.Read())
{
Users.Add(new User()
{
ID = (int)reader[0],
UserName = (string)reader[1],
Password = (string)reader[2],
PassSalt = (string)reader[3],
});
}
}
}
catch (Exception ex) { ExceptionManager.Publish(ex); }
return Users;
}, CacheSection.RetrieveDescByKey(UserDataKey));
return string.IsNullOrEmpty(tId) ? ret : ret.Where(t => tId.Equals(t.ID.ToString(), StringComparison.OrdinalIgnoreCase));
}
/// <summary>
/// 删除用户
/// </summary>
/// <param name="ids"></param>
public static void DeleteUser(string ids)
{
if (string.IsNullOrEmpty(ids) || ids.Contains("'")) return;
string sql = string.Format(CultureInfo.InvariantCulture, "Delete from Users where ID in ({0})", ids);
using (DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql))
{
DBAccessManager.SqlDBAccess.ExecuteNonQuery(cmd);
ClearCache();
}
}
/// <summary>
/// 保存新建/更新的用户信息
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public static bool SaveUser(User p)
{
if (p == null) throw new ArgumentNullException("p");
bool ret = false;
if (p.UserName.Length > 50) p.UserName.Substring(0, 50);
if (p.Password.Length > 50) p.Password.Substring(0, 50);
if (p.PassSalt.Length > 50) p.PassSalt.Substring(0, 50);
string sql = p.ID == 0 ?
"Insert Into Users (UserName, Password, PassSalt) Values (@UserName, @Password, @PassSalt)" :
"Update Users set UserName = @UserName, Password = @Password, PassSalt = @PassSalt where ID = @ID";
try
{
using (DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql))
{
cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@ID", p.ID, ParameterDirection.Input));
cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@UserName", p.UserName, ParameterDirection.Input));
cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@Password", p.Password, ParameterDirection.Input));
cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@PassSalt", p.PassSalt, ParameterDirection.Input));
DBAccessManager.SqlDBAccess.ExecuteNonQuery(cmd);
}
ret = true;
ClearCache();
}
catch (DbException ex)
{
ExceptionManager.Publish(ex);
}
return ret;
}
// 更新缓存
private static void ClearCache()
{
CacheManager.Clear(key => key.Contains("TerminalData-"));
}
}
}