321 lines
12 KiB
C#
321 lines
12 KiB
C#
using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Media;
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using Avalonia.Styling;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using Cowain.Base.Abstractions.Navigation;
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using Cowain.Base.Attributes;
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using Cowain.Base.Helpers;
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using Cowain.Base.IServices;
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using Cowain.Base.Models.Menu;
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using Cowain.Base.ViewModels;
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using Ke.Bee.Localization.Localizer.Abstractions;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Logging;
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using Semi.Avalonia;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Text.Json;
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using System.Threading;
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using System.Threading.Tasks;
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using MenuItem = Cowain.Base.Models.Menu.MenuItem;
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namespace Cowain.TestProject.ViewModels
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{
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public partial class LoginWindowViewModel : ViewModelBase
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{
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private class UserData
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{
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public string? UserName { get; set; }
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public string? Password { get; set; }
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public bool IsRemember { get; set; }
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}
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/// <summary>
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/// 登录成功
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/// </summary>
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[ObservableProperty]
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private bool _loginSuccess;
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/// <summary>
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/// 是否记住用户名
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/// </summary>
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[ObservableProperty]
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private bool _rememberUserName;
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/// <summary>
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/// 用户名
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/// </summary>
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[ObservableProperty]
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[NotifyDataErrorInfo]
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[NotifyCanExecuteChangedFor(nameof(LoginCommand))]
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[MinLength(2, "Errors.MinLength")]
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private string? _userName;
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/// <summary>
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/// 密码
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/// </summary>
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[ObservableProperty]
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[NotifyDataErrorInfo]
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[NotifyCanExecuteChangedFor(nameof(LoginCommand))]
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[MinLength(4, "Errors.MinLength")]
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private string? _password;
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/// <summary>
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/// 错误信息
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/// </summary>
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[ObservableProperty]
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private string? _errorMessage;
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/// <summary>
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/// 当前页面视图模型
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/// </summary>
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[ObservableProperty]
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private PageViewModelBase? _currentPage;
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/// <summary>
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/// 设置菜单集合
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/// </summary>
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[ObservableProperty]
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private ObservableCollection<Base.ViewModels.MenuItemViewModel>? _settingMenus;
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private readonly ILocalizer _l;
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/// <summary>
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/// 视图导航器
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/// </summary>
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private readonly IViewNavigator _viewNavigator;
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/// <summary>
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/// 菜单数据
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/// </summary>
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private readonly List<MenuItem> _menuItems;
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private ILogger<LoginWindowViewModel> _logger;
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private IAccountService _accountService;
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private IConfiguration _configuration;
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private string userFileName = "userdata.json";
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public LoginWindowViewModel(MenuConfigurationContext menuContext, ILocalizer localizer, ILogger<LoginWindowViewModel> logger, IViewNavigator viewNavigator, IAccountService accountService, IConfiguration configuration)
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{
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_l = localizer;
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_logger = logger;
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string pdtName = GetProductName();
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userFileName= $"{pdtName}_userdata.json";
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_menuItems = menuContext.Menus;
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_viewNavigator = viewNavigator;
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_accountService = accountService;
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_configuration = configuration;
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LoadSettingMenus();
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ReadUserData();
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}
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/// <summary>
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/// MenuItem 到 MenuItemViewModel 的转换器
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/// </summary>
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private Func<MenuItem, MenuItemViewModel> MenuItemToViewModel => x => new MenuItemViewModel(_l[x.LocaleKey])
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{
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Key = x.Key,
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IsActive = x.IsActive == true,
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Icon = string.IsNullOrWhiteSpace(x.Icon) ? null : StreamGeometry.Parse(x.Icon),
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CommandParameter = x.CommandParameter,
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//PageActions = x.PageActions,
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Items = x.Items.Select(MenuItemToViewModel).ToList(),
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MenuClickCommand = GetRelayCommand(x.CommandType),
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};
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/// <summary>
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/// 根据命令类型返回中继命令
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/// </summary>
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/// <param name="commandType"></param>
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/// <returns></returns>
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private IRelayCommand? GetRelayCommand(string? commandType)
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{
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if (!Enum.TryParse<MenuClickCommandType>(commandType, out var cmdType))
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{
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return null;
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}
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return cmdType switch
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{
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// 主题切换返回的中继命令
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MenuClickCommandType.SwitchTheme => new RelayCommand<MenuItemViewModel>((MenuItemViewModel? menuItem) =>
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{
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var app = Application.Current;
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if (app is not null)
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{
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ThemeVariant? tv = menuItem?.CommandParameter switch
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{
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nameof(ThemeVariant.Default) => ThemeVariant.Default,
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nameof(ThemeVariant.Dark) => ThemeVariant.Dark,
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"Desert" => SemiTheme.Desert,
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"Dusk" => SemiTheme.Dusk,
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"NightSky" => SemiTheme.NightSky,
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_ => ThemeVariant.Default
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};
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app.RequestedThemeVariant = tv;
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// 重载视图
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_viewNavigator.ReloadCurrentPage();
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}
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}),
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// 打开链接返回的中继命令
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MenuClickCommandType.Link => new RelayCommand<MenuItemViewModel>((MenuItemViewModel? menuItem) =>
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{
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var url = menuItem?.CommandParameter;
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System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo
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{
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FileName = url,
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UseShellExecute = true
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});
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}),
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// 切换本地化语言
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MenuClickCommandType.SwitchLanguage => new RelayCommand<MenuItemViewModel>((MenuItemViewModel? menuItem) =>
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{
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_l.CurrentCulture = _l.AvailableCultures.FirstOrDefault(f => f.IetfLanguageTag == menuItem?.CommandParameter) ??
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Thread.CurrentThread.CurrentCulture;
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// 重载视图，触发本地化更新
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_viewNavigator.ReloadCurrentPage();
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LoadSettingMenus();
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var app = Application.Current;
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if (app is null) return;
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CultureInfo cultureInfo = menuItem?.CommandParameter is string parameter
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? new CultureInfo(parameter)
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: Thread.CurrentThread.CurrentCulture;
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Semi.Avalonia.SemiTheme.OverrideLocaleResources(app, cultureInfo);
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Ursa.Themes.Semi.SemiTheme.OverrideLocaleResources(app, cultureInfo);
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}),
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// 返回 null
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_ => null
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};
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}
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/// <summary>
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/// 载入设置栏菜单
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/// </summary>
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private void LoadSettingMenus()
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{
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var settingMenus = _menuItems.Where(x => x.Group == "Settings").Select(MenuItemToViewModel);
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SettingMenus = [.. settingMenus];
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}
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private void ReadUserData()
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{
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var path = PathHelper.GetLocalFilePath(userFileName);
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if (File.Exists(path))
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{
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var json = File.ReadAllText(path);
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var userData = JsonSerializer.Deserialize<UserData>(json);
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if (userData != null)
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{
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RememberUserName = userData.IsRemember;
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if (RememberUserName)
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{
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UserName = userData.UserName;
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if (!string.IsNullOrEmpty(userData.Password))
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{
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Password = DESHelper.Decrypt(userData.Password, "ZSL12345");
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}
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}
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}
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}
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}
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private bool CanLogin()
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{
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ValidateAllProperties();
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return !HasErrors;
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}
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[RelayCommand(CanExecute = nameof(CanLogin))]
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private async Task LoginAsync(object obj)
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{
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if (string.IsNullOrEmpty(UserName))
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{
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ErrorMessage = _l["LoginWindow.UserNameEmpty"];
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return;
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}
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if (string.IsNullOrEmpty(Password))
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{
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ErrorMessage = _l["LoginWindow.PasseordEmpty"];
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return;
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}
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var loginResult = await _accountService.LoginAsync(UserName, Password);
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if (loginResult.IsSuccess)
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{
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GlobalData.Instance.CurrentUser = loginResult.Data;
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//GlobalData.Instance.AddOrUpdate("UserName", UserName);
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GlobalData.Instance.AddOrUpdate("CurrentUser", loginResult.Data!.User);
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LoginSuccess = true;
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if (RememberUserName)
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{
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var userData = new UserData { UserName = UserName, Password = DESHelper.Encrypt(Password, "ZSL12345"), IsRemember = RememberUserName };
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var json = JsonSerializer.Serialize(userData);
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var path = PathHelper.GetLocalFilePath(userFileName);
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await File.WriteAllTextAsync(path, json);
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}
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else
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{
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var path = PathHelper.GetLocalFilePath(userFileName);
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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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// 关闭登录窗口，并且 DialogResult返回True；
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if (obj is Window window)
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{
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window.Close(true);
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}
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//WeakReferenceMessenger.Default.Send(new LoginSuccessMessage(new UserItemViewModel { UserName = "Admin", IsActive = true }));
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}
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else
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{
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ErrorMessage = _l["LoginWindow.LoginFailed"];
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}
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}
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[RelayCommand]
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private void ToggleTheme()
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{
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var app = Application.Current;
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if (app is null) return;
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var theme = app.ActualThemeVariant;
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app.RequestedThemeVariant = theme == ThemeVariant.Dark ? ThemeVariant.Light : ThemeVariant.Dark;
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}
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/// <summary>
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/// 获取项目文件中<Product>属性的值
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/// </summary>
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/// <returns>Product属性字符串，如"Cowain WCS"</returns>
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public string GetProductName()
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{
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try
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{
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// 获取当前程序集（如果是其他项目，替换为对应程序集）
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Assembly assembly = Assembly.GetExecutingAssembly();
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// 获取AssemblyProduct特性
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var productAttribute = assembly.GetCustomAttribute<AssemblyProductAttribute>();
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// 返回值（为空时返回默认值）
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return productAttribute?.Product ?? "未知产品名称";
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}
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catch (Exception ex)
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{
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// 异常处理（根据你的日志框架调整）
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_logger.LogError(ex, "读取Product属性失败");
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return "未知产品名称";
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}
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}
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}
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}
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