Improved logic.

aeqw89.tools.Publish/Destination.cs

@@ -0,0 +1,184 @@
+using System.Diagnostics;
+using System.Text;
+using Renci.SshNet;
+using Spectre.Console;
+
+namespace aeqw89.tools.Publish;
+
+sealed record DestinationContext(
+    ProgressTask Task,
+    ProgressContext ProgressContext,
+    MemoryStream Reader,
+    FileInfo PackageFile,
+    string Name,
+    long BufferSize,
+    long PackageSize
+);
+
+interface IDestination {
+    Task<Result<Success, ReadableError>> WaitForCompletion(CancellationToken ct = default);
+}
+
+sealed record LocalDestination(DestinationContext Context) : IDestination {
+    public async Task<Result<Success, ReadableError>> WaitForCompletion(CancellationToken ct = default) {
+        // Path = "$USER/local-%ctx.name/%pkg.filename"
+        var path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), Context.Name, Context.PackageFile.Name);
+        try {
+            Directory.CreateDirectory(Path.GetDirectoryName(path)!); // create the directory
+            await using var writer = File.OpenWrite(path);
+            var buffer = new byte[Context.BufferSize];
+            int read;
+            do {
+                read = await Context.Reader.ReadAsync(buffer, ct);
+                writer.Write(buffer, 0, read);
+                Context.Task.Increment(read);
+            } while (read > 0);
+            return Success.AsResult();
+        } catch (Exception e) {
+            return new ReadableError(string.Format(Exceptions.generic_error, e), false);
+        }
+    }
+}
+
+sealed record CloudDestiantion(DestinationContext Context) : IDestination {
+    public async Task<Result<Success, ReadableError>> WaitForCompletion(CancellationToken ct = default) {
+        var connectionTask = Context.ProgressContext.AddTaskBefore($"Preparing cloud-{Context.Name}",
+            new ProgressTaskSettings() {
+                MaxValue = 100
+            }, Context.Task);
+
+        if (!SshHosts.TryGetHost(Context.Name, out var host)) {
+            return new ReadableError(string.Format(Exceptions.cloud_host_not_found.EscapeMarkup(), Context.Name), false);
+        }
+
+        var connectionInfo = SshHosts.GetConnection(Context.Name);
+        using var sshClient = new SshClient(connectionInfo);
+
+        if (!sshClient.IsConnected)
+            await sshClient.ConnectAsync(ct);
+
+        connectionTask.Increment(33); // ? One-Third of the way done (connection success).
+
+        var winC = sshClient.RunCommand("cmd /c ver");
+        var othC = sshClient.RunCommand("uname -s");
+
+        var os = (winC.ExitStatus, othC.ExitStatus) switch {
+            (0, _) => "windows",
+            (_, 0) => "linux",
+            _ => "unknown"
+        };
+
+        string remoteDirectory;
+        string packageFileDirectory;
+
+        if (os == "windows") {
+            var userDirC = sshClient.RunCommand("cmd /c echo %USERPROFILE%");
+            if (userDirC.ExitStatus != 0) { // * missing env variable case (could not work out where to place packages in remote).
+                return new ReadableError(string.Format(Exceptions.failed_to_prepare_server_directory, "n/a", Context.PackageFile.Name, os,
+                    userDirC.Result), false);
+            }
+
+            var userDir = userDirC.Result.Trim();
+            remoteDirectory = RemotePath.Combine(RemoteOs.Windows, userDir, "dotnet-packages");
+            packageFileDirectory = RemotePath.Combine(RemoteOs.Windows, remoteDirectory, Context.PackageFile.Name);
+
+            var mkdirC = sshClient.RunCommand($"cmd /c if not exist \"{remoteDirectory}\" mkdir \"{remoteDirectory}\"");
+            if (mkdirC.ExitStatus != 0) { // * MKDir error case (make directory command failed on remote).
+                return new ReadableError(string.Format(Exceptions.failed_to_prepare_server_directory, remoteDirectory, Context.PackageFile.Name, os, 
+                    mkdirC.Result), false);
+            }
+        }
+        else if (os == "linux") {
+            var homeDirC = sshClient.RunCommand("printf %s \"$HOME\"");
+            if (homeDirC.ExitStatus != 0) { // * missing env variable case 2 (could not work out where to place packages in remote).
+                return new ReadableError(string.Format(Exceptions.failed_to_prepare_server_directory, "n/a", Context.PackageFile.Name, os, 
+                    homeDirC.Result), false);
+            }
+
+            var homeDir = homeDirC.Result.Trim(); // no CRLF on unix, but Trim() is safest
+            remoteDirectory = RemotePath.Combine(RemoteOs.Unix, homeDir, ".dotnet-packages");
+            packageFileDirectory = RemotePath.Combine(RemoteOs.Unix, remoteDirectory,
+                Context.PackageFile.Name);
+
+            // Use -p and single quotes to handle spaces safely
+            var mkdirC = sshClient.RunCommand($"mkdir -p '{remoteDirectory}'");
+            if (mkdirC.ExitStatus != 0) { // * MKDir error case (make directory command failed on remote).
+                return new ReadableError(string.Format(Exceptions.failed_to_prepare_server_directory, remoteDirectory, Context.PackageFile.Name,
+                    os, mkdirC.Result), false);
+            }
+        }
+        else {
+            return new ReadableError(string.Format(Exceptions.failed_to_prepare_server_directory, "n/a", Context.PackageFile.Name, os,
+                "Unsupported OS"), false); // * MacOS failure path (or other unrecognizable oses).
+        }
+
+        connectionTask.Increment(33); // ? Two-Thirds of the way done (directory located and ready).
+
+        sshClient.Disconnect();
+
+        using var client = new SftpClient(connectionInfo);
+        if (!client.IsConnected)
+            await client.ConnectAsync(ct);
+        connectionTask.Increment(33); // ? Connection task complete (now proceeding to upload task).
+        connectionTask.StopTask();
+
+        await using var writer = client.OpenWrite(packageFileDirectory);
+        byte[] buffer = new byte[Context.BufferSize];
+        int read;
+        do {
+            read = await Context.Reader.ReadAsync(buffer, ct);
+            writer.Write(buffer, 0, read);
+            Context.Task.Increment(read);
+        } while (read > 0);
+
+        return Success.AsResult();
+    }
+}
+
+sealed record GithubDestination(DestinationContext Context, bool Verbose = false) : IDestination {
+    public async Task<Result<Success, ReadableError>> WaitForCompletion(CancellationToken ct = default) {
+        var p = Process.Start(new ProcessStartInfo() {
+            FileName = "dotnet",
+            Arguments = $"nuget push \"{Context.PackageFile.FullName}\" --source github",
+            WorkingDirectory = Environment.CurrentDirectory,
+            UseShellExecute = false,
+            RedirectStandardOutput = true,
+            RedirectStandardError = true
+        });
+
+        var cts = CancellationTokenSource.CreateLinkedTokenSource(ct);
+        StringBuilder errorLines = new();
+        p?.ErrorDataReceived += (sender, eventArgs) => {
+            cts.Cancel();
+            if (Verbose && eventArgs.Data != null)
+                AnsiConsole.WriteLine(eventArgs.Data);
+            errorLines.Append(eventArgs.Data);
+        };
+        p?.OutputDataReceived += (sender, eventArgs) => {
+            if (eventArgs.Data?.ToLower().Contains("press any key") == true)
+                cts.Cancel();
+            if (Verbose && eventArgs.Data != null)
+                AnsiConsole.WriteLine(eventArgs.Data);
+        };
+
+        p?.BeginOutputReadLine();
+        p?.BeginErrorReadLine();
+
+        Context.Task.Increment(Context.PackageSize / 2);
+        if (p != null)
+            try {
+                await (p?.WaitForExitAsync(cts.Token) ?? Task.CompletedTask);
+            }
+            catch (TaskCanceledException) {
+                p?.Kill();
+            }
+
+        if (p?.ExitCode != 0) {
+            Context.Task.StopTask();
+            return new ReadableError(errorLines.ToString().EscapeMarkup() + "\n" + string.Format(Exceptions.dotnet_nuget_push_failure, p?.ExitCode ?? -1), false);
+        }
+
+        Context.Task.Increment(Context.BufferSize / 2);
+        return Success.AsResult();
+    }
+}

aeqw89.tools.Publish/Result.cs

@@ -0,0 +1,37 @@
+using System.Diagnostics;
+
+namespace aeqw89.tools.Publish;
+
+record Success {
+    public static Ok<Success> AsResult() => new Ok<Success>(new Success());
+}
+record Ok<T>(T Value);
+record ReadableError(string Reason, bool ShowHelp = true, bool RestoreContext = true);
+union Result<T, E>(Ok<T>, E);
+
+internal static class ResultExtensions {
+    public static T Unwrap<T>(this Result<T, ReadableError> result, Program.RunContext? rctx = null) {
+        switch (result) {
+            case Ok<T> r:
+                return r.Value;
+            case ReadableError error:
+                Program.ShowError(error.Reason);
+                if (error.ShowHelp) Program.ShowHelp();
+                if (error.RestoreContext) rctx?.Restore();
+                Environment.Exit(1);
+                throw new UnreachableException();
+        }
+
+        throw new UnreachableException();
+    }
+
+    public static async Task<T> Unwrap<T>(this Task<Result<T, ReadableError>> result, Program.RunContext? rctx = null) {
+        return (await result).Unwrap(rctx);
+    }
+}
+
+internal static class ObjectExtensions {
+    public static Ok<T> Ok<T>(this T any) {
+        return new Ok<T>(any);
+    }
+}

aeqw89.tools.Publish/Shell.cs

@@ -0,0 +1,67 @@
+using System.Diagnostics;
+using System.Text;
+using Spectre.Console;
+
+namespace aeqw89.tools.Publish;
+
+internal static class Shell {
+    internal record ShellResult(string Output, string Error, int ExitCode);
+    internal record PackageInfo(FileInfo FileInfo) {
+        byte[]? _inMemory = null;
+        public long Size() => FileInfo.Length;
+        public async Task<byte[]> ReadAsync() => _inMemory ??= await File.ReadAllBytesAsync(FileInfo.FullName);
+        public byte[] Read() => _inMemory ??= File.ReadAllBytes(FileInfo.FullName);
+    }
+    internal static class Dotnet {
+        internal static async Task<Result<PackageInfo, ReadableError>> FindPackage(string dir) {
+            var package = Directory.GetFiles(dir, "*.nupkg").FirstOrDefault();
+            if (package == null) return new ReadableError(Exceptions.generic_error.EscapeMarkup());
+            return new PackageInfo(new FileInfo(package)).Ok();
+        }
+
+        internal static async Task<Result<ShellResult, ReadableError>> Pack(string tempdir, DataReceivedEventHandler? stderr, DataReceivedEventHandler? stdout) {
+            var p = Process.Start(new ProcessStartInfo() {
+                FileName = "dotnet",
+                Arguments = $"pack -o {tempdir}",
+                WorkingDirectory = Environment.CurrentDirectory,
+                UseShellExecute = false,
+                RedirectStandardOutput = true,
+                RedirectStandardError = true
+            });
+
+            StringBuilder errorLines = new();
+            StringBuilder outputLines = new();
+
+            CancellationTokenSource cts = new();
+            p?.ErrorDataReceived += stderr;
+            p?.ErrorDataReceived += (_, e) => {
+                cts.Cancel();
+                errorLines.Append(e.Data);
+            };
+
+            bool success = false;
+
+            p?.OutputDataReceived += stdout;
+            p?.OutputDataReceived += (_, e) => {
+                if (e.Data?.ToLower().Contains("press any key") == true)
+                    cts.Cancel();
+                if (e.Data?.ToLower().Contains($"successfully created package '{Path.GetFullPath(tempdir)}") == true) {
+                    success = true;
+                }
+            };
+
+            p?.BeginErrorReadLine();
+            p?.BeginOutputReadLine();
+
+            try {
+                await (p?.WaitForExitAsync(cts.Token) ?? Task.CompletedTask);
+            } catch (TaskCanceledException) {
+                p?.Kill();
+            } catch (Exception e) {
+                return new ReadableError(Exceptions.generic_error.EscapeMarkup(), false);
+            }
+
+            return new ShellResult(outputLines.ToString(), errorLines.ToString(), p!.ExitCode).Ok();
+        }
+    }
+}

aeqw89.tools.Publish/Staging.cs

@@ -0,0 +1,47 @@
+using System.Diagnostics;
+using Spectre.Console;
+using static aeqw89.tools.Publish.Program;
+
+namespace aeqw89.tools.Publish;
+
+internal record Stager(RunContext RunContext) {
+    public async Task<T?> Spinner<T>(string name, Func<RunContext, StatusContext, Task<Result<T, ReadableError>>> factory) {
+        try {
+            var result = AnsiConsole.Status()
+                .Spinner(Spectre.Console.Spinner.Known.Dots)
+                .Start(name, async ctx => await factory(RunContext, ctx));
+            return (await result).Unwrap(RunContext);
+        } catch (Exception e) {
+            ShowError(string.Format(Exceptions.generic_error.EscapeMarkup(), e.ToString().EscapeMarkup()));
+            RunContext.Restore();
+            return default;
+        }
+
+        throw new UnreachableException();
+    }
+
+    public ProgressStager Progress() {
+        return new ProgressStager(RunContext, [], AnsiConsole.Progress()
+            .AutoClear(true)
+            .HideCompleted(false)
+            .Columns([
+                new TaskDescriptionColumn(),
+                new ProgressBarColumn()
+                    .RemainingStyle(Style.Parse("dim gray slowblink"))
+                    .CompletedStyle(Style.Parse("green strikethrough"))
+                    .FinishedStyle("green strikethrough"),
+                new DownloadedColumn(),
+                new RemainingTimeColumn(),
+                new TransferSpeedColumn(),
+            ]));
+    }
+}
+
+internal record TaskWithProgress<T>(string Name, Task<T> Value);
+internal record ProgressStager(RunContext RunContext, Task[] Tasks, Progress Progress) {
+    public TaskWithProgress<T> Run<T>(string Name, Func<RunContext, ProgressContext, Task<T>> factory) {
+        return new(Name, Progress.StartAsync(async ctx => {
+            return await factory(RunContext, ctx);
+        }));
+    }
+}

aeqw89.tools.Publish/UnionSupport.cs

@@ -0,0 +1,6 @@
+namespace System.Runtime.CompilerServices {
+    public interface IUnion { }
+
+    [AttributeUsage(AttributeTargets.Class)]
+    public sealed class UnionAttribute : Attribute { }
+}