using HMI.Core.Entity;
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using HMI.Core.Setting;
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using HMI.Core.Util;
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using HMI.UI.DpUtil;
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using HMI.UI.Util;
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using log4net;
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using Panuon.WPF.UI;
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using System;
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using System.Data;
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using System.IO;
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using System.Threading.Tasks;
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using System.Windows;
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using WPFProject.Utils;
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using static System.Windows.Forms.VisualStyles.VisualStyleElement.StartPanel;
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namespace WPFProject
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{
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public class LoginException : Exception
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{
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public LoginException(string message) : base(message)
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{
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}
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}
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/// <summary>
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/// Login.xaml 的交互逻辑
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/// </summary>
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public partial class Login : WindowX
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{
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private ILog log;
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public Login()
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{
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log = LogManager.GetLogger("Login");
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InitializeComponent();
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}
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private static readonly Encryptor encryptor = new Encryptor("aB3dE5fG7hI9jjK1lMnOpQrS2tUvWxYz",
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"8Wq9RsT4vYx6ZuB1");
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private void Button_Click(object sender, RoutedEventArgs e)
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{
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if (FormGroupHelper.ValidateForm(formPanel))
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{
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ButtonHelper.SetIsPending(BtnLogin, true);
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string username = TbAccount.Text;
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string password = PwdPassword.Password;
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bool rememberMe = SwRememberMe.IsChecked == true;
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Task.Run(() =>
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{
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DoLogin(username, password, rememberMe);
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});
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}
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}
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private void DoLogin(string username, string password, bool rememberMe)
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{
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SqliteHelper helper = null;
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try
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{
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helper = new SqliteHelper(PathHelper.DatabasePath);
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string sql = $"SELECT id,username,password,name From user WHERE username='{username}' and password='{password}'";
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DataTable dt = helper.GetDataTable(sql);
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if (dt == null || dt.Rows.Count <= 0)
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{
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throw new LoginException(LangUtil.Get("App.ErrorUsernameOrPassword"));
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}
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UserInfo user = new UserInfo(
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dt.Rows[0]["id"].ToString(),
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dt.Rows[0]["username"].ToString(),
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dt.Rows[0]["name"].ToString());
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UserInfo.Login(user);
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if (rememberMe)
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{
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// 记住登录操作
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string userToken =
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JsonUtil.Serialize(
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new UserInfo(null, user.Username, user.Name, dt.Rows[0]["password"].ToString()));
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// 存储数据
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BinUtil.SaveStrToBin(encryptor.Encrypt(userToken),
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Path.Combine(PathHelper.DatabaseFolder, "user.bin"));
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}
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Dispatcher.Invoke(() =>
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{
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LoadingWindow loading = new LoadingWindow();
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loading.Show();
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this.Closed -= window_Closed;
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this.Close();
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});
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}
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catch (Exception ex)
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{
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if (!(ex is LoginException)) log.Error("Login Failed.", ex);
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Dispatcher.Invoke(() =>
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{
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ToastHelper.Error(this, $"{LangUtil.Get("App.LoginFailed")}: {ex.Message}");
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});
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}
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finally
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{
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Dispatcher.Invoke(() =>
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{
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ButtonHelper.SetIsPending(BtnLogin, false);
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});
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}
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}
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/// <summary>
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/// 渲染完成后，尝试自动登录
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void WindowX_ContentRendered(object sender, EventArgs e)
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{
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string userToken = string.Empty;
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if (BinUtil.LoadStrFromBin(ref userToken, Path.Combine(PathHelper.DatabaseFolder, "user.bin")))
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{
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userToken = encryptor.Decrypt(userToken);
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UserInfo userInfo = JsonUtil.Deserialize<UserInfo>(userToken);
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TbAccount.Text = userInfo.Username;
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PwdPassword.Password = userInfo.Password;
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SwRememberMe.IsChecked = true;
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Button_Click(null, null);
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}
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}
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private void window_Closed(object sender, EventArgs e)
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{
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Application.Current.Shutdown();
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}
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private void SwRememberMe_Unchecked(object sender, RoutedEventArgs e)
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{
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string path = Path.Combine(PathHelper.DatabaseFolder, "user.bin");
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if (File.Exists(path))
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{
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File.Delete(path);
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}
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}
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}
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}
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