激进的更新

2026-06-22 00:54:26 +08:00 · 2026-04-16 01:59:21 +08:00
parent 03e32ee6cb
commit 2f0c178df2
50 changed files with 26059 additions and 184 deletions
--- a/LanMountainDesktop.Launcher/Services/DeploymentLocator.cs
+++ b/LanMountainDesktop.Launcher/Services/DeploymentLocator.cs
@@ -0,0 +1,160 @@
+using System.Globalization;
+
+namespace LanMountainDesktop.Launcher.Services;
+
+internal sealed class DeploymentLocator
+{
+    private readonly string _appRoot;
+
+    public DeploymentLocator(string appRoot)
+    {
+        _appRoot = appRoot;
+    }
+
+    public string GetAppRoot() => _appRoot;
+
+    public string? FindCurrentDeploymentDirectory()
+    {
+        var candidates = Directory.Exists(_appRoot)
+            ? Directory.GetDirectories(_appRoot, "app-*", SearchOption.TopDirectoryOnly)
+            : [];
+
+        // 过滤掉无效的部署目录
+        var validCandidates = candidates
+            .Where(path => 
+                !File.Exists(Path.Combine(path, ".destroy")) &&    // 排除待删除
+                !File.Exists(Path.Combine(path, ".partial")))      // 排除未完成
+            .ToList();
+
+        // 优先选择带 .current 标记的版本
+        var withMarkers = validCandidates
+            .Where(path => File.Exists(Path.Combine(path, ".current")))
+            .Select(path => new
+            {
+                Path = path,
+                Version = ParseVersionFromDirectory(path)
+            })
+            .OrderByDescending(item => item.Version)
+            .ToList();
+
+        if (withMarkers.Count > 0)
+        {
+            return withMarkers[0].Path;
+        }
+
+        // 如果没有 .current 标记,选择最新版本
+        var byVersion = validCandidates
+            .Select(path => new
+            {
+                Path = path,
+                Version = ParseVersionFromDirectory(path)
+            })
+            .OrderByDescending(item => item.Version)
+            .ToList();
+
+        return byVersion.Count > 0 ? byVersion[0].Path : null;
+    }
+
+    public string? ResolveHostExecutablePath()
+    {
+        var executable = OperatingSystem.IsWindows() ? "LanMountainDesktop.exe" : "LanMountainDesktop";
+        var currentDeployment = FindCurrentDeploymentDirectory();
+        if (!string.IsNullOrWhiteSpace(currentDeployment))
+        {
+            var inDeployment = Path.Combine(currentDeployment, executable);
+            if (File.Exists(inDeployment))
+            {
+                return inDeployment;
+            }
+        }
+
+        var inRoot = Path.Combine(_appRoot, executable);
+        if (File.Exists(inRoot))
+        {
+            return inRoot;
+        }
+
+        var parent = Path.GetFullPath(Path.Combine(_appRoot, ".."));
+        var inParent = Path.Combine(parent, executable);
+        return File.Exists(inParent) ? inParent : null;
+    }
+
+    public string GetCurrentVersion()
+    {
+        var deployment = FindCurrentDeploymentDirectory();
+        if (string.IsNullOrWhiteSpace(deployment))
+        {
+            return "0.0.0";
+        }
+
+        return ParseVersionTextFromDirectory(deployment) ?? "0.0.0";
+    }
+
+    public string BuildNextDeploymentDirectory(string targetVersion)
+    {
+        var sanitized = string.IsNullOrWhiteSpace(targetVersion) ? "0.0.0" : targetVersion.Trim();
+        var index = 0;
+        while (true)
+        {
+            var candidate = Path.Combine(_appRoot, $"app-{sanitized}-{index.ToString(CultureInfo.InvariantCulture)}");
+            if (!Directory.Exists(candidate))
+            {
+                return candidate;
+            }
+
+            index++;
+        }
+    }
+
+    public void CleanupDestroyedDeployments()
+    {
+        try
+        {
+            var candidates = Directory.Exists(_appRoot)
+                ? Directory.GetDirectories(_appRoot, "app-*", SearchOption.TopDirectoryOnly)
+                : [];
+
+            var destroyedDirs = candidates
+                .Where(path => File.Exists(Path.Combine(path, ".destroy")));
+
+            foreach (var dir in destroyedDirs)
+            {
+                try
+                {
+                    Directory.Delete(dir, recursive: true);
+                }
+                catch
+                {
+                    // 忽略删除失败(可能文件被占用),下次启动再试
+                }
+            }
+        }
+        catch
+        {
+            // 忽略清理失败
+        }
+    }
+
+    public static Version ParseVersionFromDirectory(string path)
+    {
+        var text = ParseVersionTextFromDirectory(path);
+        return Version.TryParse(text, out var version) ? version : new Version(0, 0, 0);
+    }
+
+    private static string? ParseVersionTextFromDirectory(string path)
+    {
+        var fileName = Path.GetFileName(path);
+        if (string.IsNullOrWhiteSpace(fileName))
+        {
+            return null;
+        }
+
+        var segments = fileName.Split('-');
+        if (segments.Length < 2)
+        {
+            return null;
+        }
+
+        return segments[1];
+    }
+}