248 lines
12 KiB
C#
248 lines
12 KiB
C#
using Ink_Canvas.Helpers;
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using System;
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using System.Collections.Generic;
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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 System.Windows.Controls;
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using System.Windows.Input;
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using System.Linq; // Added for OrderByDescending
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using System.ComponentModel;
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using System.Threading;
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namespace Ink_Canvas
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{
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public partial class HistoryRollbackWindow : Window
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{
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private class VersionItem
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{
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public string Version { get; set; }
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public string DownloadUrl { get; set; }
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public string ReleaseNotes { get; set; }
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}
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private List<VersionItem> versionList = new List<VersionItem>();
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private VersionItem selectedItem = null;
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private UpdateChannel channel = UpdateChannel.Release;
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private CancellationTokenSource downloadCts = null;
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public HistoryRollbackWindow(UpdateChannel channel = UpdateChannel.Release)
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{
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InitializeComponent();
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this.channel = channel;
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LoadVersions();
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}
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private async void LoadVersions()
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{
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LogHelper.WriteLogToFile($"HistoryRollback | 开始加载历史版本，通道: {channel}");
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RollbackButton.IsEnabled = false;
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VersionComboBox.Items.Clear();
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DownloadProgressPanel.Visibility = Visibility.Collapsed;
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DownloadProgressBar.Value = 0;
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DownloadProgressText.Text = "";
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ReleaseNotesViewer.Markdown = "正在获取历史版本...";
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var releases = await AutoUpdateHelper.GetAllGithubReleases(channel);
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versionList.Clear();
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foreach (var (version, url, notes) in releases)
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{
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versionList.Add(new VersionItem { Version = version, DownloadUrl = url, ReleaseNotes = notes });
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}
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// 按版本号数字降序排列
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versionList = versionList.OrderByDescending(v => ParseVersionForSort(v.Version)).ToList();
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VersionComboBox.ItemsSource = versionList;
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if (versionList.Count > 0)
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{
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VersionComboBox.SelectedIndex = 0;
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RollbackButton.IsEnabled = true;
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LogHelper.WriteLogToFile($"HistoryRollback | 加载到 {versionList.Count} 个历史版本");
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}
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else
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{
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ReleaseNotesViewer.Markdown = "未获取到历史版本信息。";
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LogHelper.WriteLogToFile($"HistoryRollback | 未获取到历史版本信息", LogHelper.LogType.Warning);
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}
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}
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// 辅助方法：解析版本号用于排序
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private Version ParseVersionForSort(string version)
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{
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var v = version.TrimStart('v', 'V');
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Version result;
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if (Version.TryParse(v, out result))
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return result;
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return new Version(0, 0, 0, 0);
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}
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private void VersionComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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selectedItem = VersionComboBox.SelectedItem as VersionItem;
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if (selectedItem != null)
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{
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ReleaseNotesViewer.Markdown = selectedItem.ReleaseNotes ?? "无更新日志";
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LogHelper.WriteLogToFile($"HistoryRollback | 用户选择版本: {selectedItem.Version}");
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}
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// 取消聚焦，防止父级自动滚动
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Keyboard.ClearFocus();
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}
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private async void RollbackButton_Click(object sender, RoutedEventArgs e)
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{
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if (selectedItem == null) return;
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LogHelper.WriteLogToFile($"HistoryRollback | 用户点击回滚，目标版本: {selectedItem.Version}");
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RollbackButton.IsEnabled = false;
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VersionComboBox.IsEnabled = false;
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DownloadProgressPanel.Visibility = Visibility.Visible;
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DownloadProgressBar.Value = 0;
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DownloadProgressText.Text = "正在准备下载...";
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bool downloadSuccess = false;
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downloadCts = new CancellationTokenSource();
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try
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{
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downloadSuccess = await DownloadAndInstallVersion(selectedItem.Version, selectedItem.DownloadUrl, downloadCts.Token);
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}
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catch (OperationCanceledException)
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{
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DownloadProgressText.Text = "下载已取消。";
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LogHelper.WriteLogToFile($"HistoryRollback | 用户取消下载", LogHelper.LogType.Info);
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}
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catch (Exception ex)
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{
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DownloadProgressText.Text = $"下载失败: {ex.Message}";
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LogHelper.WriteLogToFile($"HistoryRollback | 下载异常: {ex.Message}", LogHelper.LogType.Error);
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}
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if (downloadSuccess)
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{
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DownloadProgressBar.Value = 100;
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DownloadProgressText.Text = "下载完成，准备安装...";
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await Task.Delay(800);
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LogHelper.WriteLogToFile($"HistoryRollback | 版本 {selectedItem.Version} 下载并准备安装成功");
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this.DialogResult = true;
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this.Close();
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}
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else if (!downloadCts.IsCancellationRequested)
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{
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DownloadProgressText.Text = "下载失败，请检查网络后重试。";
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LogHelper.WriteLogToFile($"HistoryRollback | 版本 {selectedItem?.Version} 下载失败", LogHelper.LogType.Error);
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RollbackButton.IsEnabled = true;
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VersionComboBox.IsEnabled = true;
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}
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}
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private async Task<bool> DownloadAndInstallVersion(string version, string downloadUrl, CancellationToken token)
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{
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LogHelper.WriteLogToFile($"HistoryRollback | 开始下载版本: {version}, url: {downloadUrl}");
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string updatesFolderPath = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "AutoUpdate");
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if (!Directory.Exists(updatesFolderPath))
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Directory.CreateDirectory(updatesFolderPath);
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string zipFilePath = Path.Combine(updatesFolderPath, $"InkCanvasForClass.CE.{version}.zip");
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string tmpFilePath = zipFilePath + ".tmp";
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int maxRetry = 3;
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int retryCount = 0;
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while (retryCount < maxRetry)
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{
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long existingLength = 0;
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if (File.Exists(tmpFilePath))
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existingLength = new FileInfo(tmpFilePath).Length;
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try
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{
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using (var client = new System.Net.Http.HttpClient())
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{
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client.Timeout = TimeSpan.FromMinutes(10);
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client.DefaultRequestHeaders.Add("User-Agent", "ICC-CE Auto Updater");
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if (existingLength > 0)
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client.DefaultRequestHeaders.Range = new System.Net.Http.Headers.RangeHeaderValue(existingLength, null);
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using (var response = await client.GetAsync(downloadUrl, System.Net.Http.HttpCompletionOption.ResponseHeadersRead, token))
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{
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response.EnsureSuccessStatusCode();
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var totalBytes = response.Content.Headers.ContentLength.HasValue
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? response.Content.Headers.ContentLength.Value + existingLength
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: -1L;
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using (var stream = await response.Content.ReadAsStreamAsync())
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using (var fs = new FileStream(tmpFilePath, FileMode.Append, FileAccess.Write, FileShare.None))
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{
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byte[] buffer = new byte[8192];
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long totalRead = existingLength;
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int read;
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var lastUpdate = DateTime.Now;
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while ((read = await stream.ReadAsync(buffer, 0, buffer.Length, token)) > 0)
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{
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token.ThrowIfCancellationRequested();
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await fs.WriteAsync(buffer, 0, read, token);
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totalRead += read;
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if ((DateTime.Now - lastUpdate).TotalMilliseconds > 200)
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{
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int percent = totalBytes > 0 ? (int)(totalRead * 100 / totalBytes) : 0;
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Dispatcher.Invoke(() => {
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DownloadProgressBar.Value = percent;
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DownloadProgressText.Text = totalBytes > 0
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? $"已下载 {totalRead / 1024 / 1024.0:F2} MB / {totalBytes / 1024 / 1024.0:F2} MB ({percent}%)"
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: $"已下载 {totalRead / 1024 / 1024.0:F2} MB";
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});
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lastUpdate = DateTime.Now;
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}
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}
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Dispatcher.Invoke(() => {
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DownloadProgressBar.Value = 100;
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DownloadProgressText.Text = "下载完成，正在校验...";
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});
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await fs.FlushAsync(token);
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}
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if (File.Exists(zipFilePath)) File.Delete(zipFilePath);
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File.Move(tmpFilePath, zipFilePath);
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}
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}
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// 下载完成后，调用现有安装流程
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LogHelper.WriteLogToFile($"HistoryRollback | 开始安装版本: {version}");
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AutoUpdateHelper.InstallNewVersionApp(version, false);
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App.IsAppExitByUser = true;
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Application.Current.Dispatcher.Invoke(() => {
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Application.Current.Shutdown();
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});
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return true;
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}
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catch (OperationCanceledException)
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{
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LogHelper.WriteLogToFile($"HistoryRollback | 用户取消下载", LogHelper.LogType.Info);
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return false;
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}
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catch (Exception ex) when (ex is System.Net.Http.HttpRequestException || ex is IOException)
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{
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retryCount++;
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if (retryCount >= maxRetry)
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{
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LogHelper.WriteLogToFile($"HistoryRollback | 下载失败，已重试{retryCount}次: {ex.Message}", LogHelper.LogType.Error);
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Dispatcher.Invoke(() => {
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DownloadProgressText.Text = $"下载失败，已重试{retryCount}次: {ex.Message}";
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});
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return false;
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}
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else
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{
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LogHelper.WriteLogToFile($"HistoryRollback | 网络异常，{15 * retryCount}s后第{retryCount}次重试: {ex.Message}", LogHelper.LogType.Warning);
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Dispatcher.Invoke(() => {
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DownloadProgressText.Text = $"网络异常，{15 * retryCount}s后第{retryCount}次重试...";
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});
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await Task.Delay(15000);
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}
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}
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catch (Exception ex)
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{
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if (File.Exists(tmpFilePath)) { /* 不删除，便于断点续传 */ }
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LogHelper.WriteLogToFile($"HistoryRollback | 下载或安装异常: {ex.Message}", LogHelper.LogType.Error);
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Dispatcher.Invoke(() => {
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DownloadProgressText.Text = $"下载异常: {ex.Message}";
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});
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return false;
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}
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}
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return false;
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}
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protected override void OnClosing(CancelEventArgs e)
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{
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downloadCts?.Cancel();
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base.OnClosing(e);
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}
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}
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} |