feat: 初始功能

2026-05-23 18:16:50 +08:00
parent a5bfd8792e
commit 9a51259e9e
63 changed files with 5377 additions and 1 deletions
--- a/Services/Printing/PdfPrintJobExecutor.cs
+++ b/Services/Printing/PdfPrintJobExecutor.cs
@@ -0,0 +1,100 @@
+using CloudPrint.Client.Models;
+using System.Diagnostics;
+using System.IO;
+
+namespace CloudPrint.Client.Services.Printing;
+
+public sealed class PdfPrintJobExecutor : IPrintJobExecutor
+{
+    private readonly IWindowsPrintQueueService _queueService;
+
+    public PdfPrintJobExecutor(IWindowsPrintQueueService queueService)
+    {
+        _queueService = queueService;
+    }
+
+    public bool CanHandle(PrintJob job)
+    {
+        return string.Equals(Path.GetExtension(job.FilePath), ".pdf", StringComparison.OrdinalIgnoreCase);
+    }
+
+    public async Task ExecuteAsync(PrintJob job, IProgress<int>? progress, CancellationToken cancellationToken = default)
+    {
+        PrintFileGuards.EnsurePrintableFile(job);
+        progress?.Report(10);
+
+        var sumatraPath = FindSumatraPdfExecutable();
+        if (!string.IsNullOrWhiteSpace(sumatraPath))
+        {
+            await PrintWithSumatraAsync(sumatraPath, job, cancellationToken).ConfigureAwait(true);
+        }
+        else
+        {
+            await PrintWithShellAsync(job, cancellationToken).ConfigureAwait(true);
+        }
+
+        CaptureWindowsJob(job);
+
+        progress?.Report(100);
+    }
+
+    private void CaptureWindowsJob(PrintJob job)
+    {
+        var documentName = Path.GetFileName(job.FilePath);
+        var queueJob = _queueService.FindLatestJob(job.PrinterName, documentName);
+        if (queueJob is null)
+        {
+            return;
+        }
+
+        job.WindowsJobId = queueJob.JobId;
+        job.WindowsJobStatus = queueJob.Status;
+    }
+
+    private static async Task PrintWithSumatraAsync(string sumatraPath, PrintJob job, CancellationToken cancellationToken)
+    {
+        var startInfo = new ProcessStartInfo
+        {
+            FileName = sumatraPath,
+            Arguments = $"-print-to \"{job.PrinterName}\" -silent -exit-when-done \"{job.FilePath}\"",
+            CreateNoWindow = true,
+            UseShellExecute = false
+        };
+
+        using var process = Process.Start(startInfo) ?? throw new InvalidOperationException("启动 SumatraPDF 失败");
+        await process.WaitForExitAsync(cancellationToken).ConfigureAwait(true);
+        if (process.ExitCode != 0)
+        {
+            throw new InvalidOperationException($"SumatraPDF 打印失败，退出码：{process.ExitCode}");
+        }
+    }
+
+    private static async Task PrintWithShellAsync(PrintJob job, CancellationToken cancellationToken)
+    {
+        var startInfo = new ProcessStartInfo
+        {
+            FileName = job.FilePath,
+            Verb = "printto",
+            Arguments = $"\"{job.PrinterName}\"",
+            UseShellExecute = true,
+            CreateNoWindow = true,
+            WindowStyle = ProcessWindowStyle.Hidden
+        };
+
+        using var process = Process.Start(startInfo)
+            ?? throw new InvalidOperationException("无法调用系统默认 PDF 打印程序，请安装 SumatraPDF 或配置 PDF 默认打印程序");
+        await process.WaitForExitAsync(cancellationToken).ConfigureAwait(true);
+    }
+
+    private static string? FindSumatraPdfExecutable()
+    {
+        var candidates = new[]
+        {
+            Environment.GetEnvironmentVariable("SUMATRA_PDF_PATH"),
+            @"C:\Program Files\SumatraPDF\SumatraPDF.exe",
+            @"C:\Program Files (x86)\SumatraPDF\SumatraPDF.exe"
+        };
+
+        return candidates.FirstOrDefault(path => !string.IsNullOrWhiteSpace(path) && File.Exists(path));
+    }
+}