245 lines
9.6 KiB
C#
245 lines
9.6 KiB
C#
using System.Collections.ObjectModel;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.UI.Xaml.Input;
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using Windows.System;
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namespace WpywMail.Client;
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public sealed partial class MainWindow : Window
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{
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private readonly ObservableCollection<MailSummary> messages = [];
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private ApiClient api = new();
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private string folder = "inbox";
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private CancellationTokenSource? searchCancellation;
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public MainWindow()
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{
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InitializeComponent();
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MessageList.ItemsSource = messages;
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}
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private async void LoginButton_Click(object sender, RoutedEventArgs e) => await LoginAsync();
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private async void PasswordBox_KeyDown(object sender, KeyRoutedEventArgs e)
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{
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if (e.Key == VirtualKey.Enter) await LoginAsync();
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}
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private async Task LoginAsync()
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{
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var email = EmailBox.Text.Trim();
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var password = PasswordBox.Password;
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if (string.IsNullOrWhiteSpace(email) || string.IsNullOrWhiteSpace(password))
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{
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LoginStatus.Text = "请输入邮箱和密码。";
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return;
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}
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LoginButton.IsEnabled = false;
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LoginStatus.Text = "正在连接邮箱服务…";
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try
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{
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api.SetBaseUrl(ApiUrlBox.Text);
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var result = await api.LoginAsync(email, password);
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api.SetToken(result.Token);
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AccountText.Text = result.User.Email;
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LoginView.Visibility = Visibility.Collapsed;
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ShellView.Visibility = Visibility.Visible;
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LoginStatus.Text = "";
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await RefreshAsync();
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}
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catch (Exception ex)
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{
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LoginStatus.Text = ex.Message.Contains("无法连接", StringComparison.OrdinalIgnoreCase)
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? "无法连接服务端，请检查地址、端口和服务状态。"
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: ex.Message;
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}
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finally { LoginButton.IsEnabled = true; }
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}
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private async Task RefreshAsync()
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{
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try
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{
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var me = await api.GetMeAsync();
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InboxCount.Text = me.Stats.Unread > 0 ? me.Stats.Unread.ToString() : "";
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await LoadFolderAsync(folder, SearchBox.Text);
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ConnectionText.Text = "已连接";
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ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["AccentBrush"];
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}
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catch (Exception ex)
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{
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ConnectionText.Text = ex.Message;
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ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
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}
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}
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private async Task LoadFolderAsync(string selectedFolder, string query = "")
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{
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try
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{
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var result = await api.GetMessagesAsync(selectedFolder, query);
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messages.Clear();
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foreach (var message in result) messages.Add(message);
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FolderTitle.Text = selectedFolder switch
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{
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"sent" => "已发送",
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"drafts" => "草稿",
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"archive" => "归档",
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"trash" => "垃圾箱",
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_ => "收件箱"
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};
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FolderSubtitle.Text = messages.Count == 0 ? "暂无邮件" : $"{messages.Count} 封邮件";
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}
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catch (Exception ex)
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{
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ConnectionText.Text = ex.Message;
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ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
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}
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}
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private async void FolderButton_Click(object sender, RoutedEventArgs e)
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{
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if (sender is not Button button || button.Tag is not string selectedFolder) return;
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folder = selectedFolder;
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EmptyReadingPane.Visibility = Visibility.Visible;
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ReadingPane.Visibility = Visibility.Collapsed;
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await LoadFolderAsync(folder, SearchBox.Text);
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}
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private async void MessageList_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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if (MessageList.SelectedItem is not MailSummary summary) return;
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try
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{
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var message = await api.GetMessageAsync(summary.Id);
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ReadingSubject.Text = message.Subject;
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ReadingInitials.Text = message.Initials;
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ReadingFrom.Text = message.From;
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ReadingDate.Text = message.Date.ToLocalTime().ToString("yyyy-MM-dd HH:mm");
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ReadingBody.Text = message.Text;
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EmptyReadingPane.Visibility = Visibility.Collapsed;
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ReadingPane.Visibility = Visibility.Visible;
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summary.Unread = false;
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MessageList.SelectedItem = null;
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}
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catch (Exception ex) { ConnectionText.Text = ex.Message; }
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}
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private async void RefreshButton_Click(object sender, RoutedEventArgs e) => await RefreshAsync();
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private async void SearchBox_TextChanged(object sender, TextChangedEventArgs e)
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{
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searchCancellation?.Cancel();
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searchCancellation = new CancellationTokenSource();
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var token = searchCancellation.Token;
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try
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{
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await Task.Delay(260, token);
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await LoadFolderAsync(folder, SearchBox.Text);
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}
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catch (OperationCanceledException) { }
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}
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private async void LogoutButton_Click(object sender, RoutedEventArgs e)
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{
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await api.LogoutAsync();
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messages.Clear();
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ShellView.Visibility = Visibility.Collapsed;
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LoginView.Visibility = Visibility.Visible;
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PasswordBox.Password = "";
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LoginStatus.Text = "已退出登录。";
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}
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private async void SettingsButton_Click(object sender, RoutedEventArgs e)
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{
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ConfigResponse config;
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try { config = await api.GetConfigAsync(); }
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catch (Exception ex)
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{
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ConnectionText.Text = ex.Message;
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ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
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return;
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}
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var newPassword = new PasswordBox { PlaceholderText = "新密码（至少 12 位）", MinWidth = 360 };
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var content = new StackPanel { Spacing = 12, Width = 430 };
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content.Children.Add(new TextBlock { Text = $"账户\n{config.Account}", Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["TextSecondaryBrush"] });
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content.Children.Add(new TextBlock { Text = $"域名：{config.Domain}\n主机名：{config.Hostname}\nSMTP：{config.Protocols.Smtp} 提交端口：{config.Protocols.Submission}", Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["TextTertiaryBrush"] });
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content.Children.Add(new Border { Height = 1, Background = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["StrokeBrush"] });
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content.Children.Add(new TextBlock { Text = "修改密码", FontWeight = Microsoft.UI.Text.FontWeights.SemiBold });
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content.Children.Add(newPassword);
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var dialog = new ContentDialog
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{
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Title = "账户与服务",
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Content = content,
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PrimaryButtonText = "保存密码",
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CloseButtonText = "关闭",
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DefaultButton = ContentDialogButton.Close,
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XamlRoot = Content.XamlRoot
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};
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if (await dialog.ShowAsync() != ContentDialogResult.Primary || string.IsNullOrWhiteSpace(newPassword.Password)) return;
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if (newPassword.Password.Length < 12)
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{
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ConnectionText.Text = "密码至少需要 12 位。";
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ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
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return;
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}
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try
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{
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await api.ChangePasswordAsync(newPassword.Password);
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ConnectionText.Text = "密码已更新。下次登录请使用新密码。";
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ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["AccentBrush"];
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}
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catch (Exception ex)
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{
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ConnectionText.Text = ex.Message;
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ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
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}
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}
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private async void ComposeButton_Click(object sender, RoutedEventArgs e)
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{
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var dialog = new ContentDialog
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{
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Title = "写信",
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PrimaryButtonText = "发送",
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CloseButtonText = "取消",
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DefaultButton = ContentDialogButton.Primary,
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XamlRoot = Content.XamlRoot,
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Content = new ComposeView()
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};
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if (await dialog.ShowAsync() != ContentDialogResult.Primary || dialog.Content is not ComposeView compose) return;
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if (string.IsNullOrWhiteSpace(compose.ToBox.Text) || string.IsNullOrWhiteSpace(compose.SubjectBox.Text) || string.IsNullOrWhiteSpace(compose.BodyBox.Text))
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{
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ConnectionText.Text = "收件人、主题和正文不能为空。";
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return;
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}
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try
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{
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await api.SendMessageAsync(compose.ToBox.Text, compose.SubjectBox.Text, compose.BodyBox.Text);
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ConnectionText.Text = "邮件已加入发送队列。";
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if (folder == "sent") await LoadFolderAsync(folder, SearchBox.Text);
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}
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catch (Exception ex) { ConnectionText.Text = ex.Message; }
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}
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}
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public sealed class ComposeView : StackPanel
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{
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public TextBox ToBox { get; } = new() { PlaceholderText = "收件人，例如 [email protected]" };
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public TextBox SubjectBox { get; } = new() { PlaceholderText = "主题" };
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public TextBox BodyBox { get; } = new() { PlaceholderText = "正文", AcceptsReturn = true, TextWrapping = TextWrapping.Wrap, MinHeight = 180 };
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public ComposeView()
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{
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Spacing = 10;
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Width = 520;
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Children.Add(ToBox);
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Children.Add(SubjectBox);
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Children.Add(BodyBox);
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}
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}
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