Add CV template preview and PDF export pipeline

2026-03-29 00:43:54 +01:00
parent 2392b135c2
commit 839a2ed80d
15 changed files with 2288 additions and 97 deletions
@@ -0,0 +1,66 @@
+using Microsoft.Playwright;
+
+namespace JobTrackerApi.Services;
+
+public sealed record CvPdfArtifact(string FileName, string StoragePath, byte[] Bytes);
+
+public interface ICvPdfExporter
+{
+    Task<CvPdfArtifact> ExportAsync(TailoredCvRenderResult renderResult, CancellationToken cancellationToken);
+}
+
+public sealed class PlaywrightCvPdfExporter : ICvPdfExporter
+{
+    private readonly AppPaths _paths;
+    private readonly ILogger<PlaywrightCvPdfExporter> _logger;
+
+    public PlaywrightCvPdfExporter(AppPaths paths, ILogger<PlaywrightCvPdfExporter> logger)
+    {
+        _paths = paths;
+        _logger = logger;
+    }
+
+    public async Task<CvPdfArtifact> ExportAsync(TailoredCvRenderResult renderResult, CancellationToken cancellationToken)
+    {
+        var now = DateTimeOffset.UtcNow;
+        var folder = Path.Combine(_paths.CvExportsRoot, now.ToString("yyyyMMdd"));
+        Directory.CreateDirectory(folder);
+        var fileName = string.IsNullOrWhiteSpace(renderResult.SuggestedFileName)
+            ? $"tailored-cv-{now:yyyyMMddHHmmss}.pdf"
+            : renderResult.SuggestedFileName;
+        var storagePath = Path.Combine(folder, fileName);
+
+        try
+        {
+            using var playwright = await Playwright.CreateAsync();
+            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions
+            {
+                Headless = true,
+            });
+            var page = await browser.NewPageAsync();
+            await page.SetContentAsync(renderResult.Html, new PageSetContentOptions
+            {
+                WaitUntil = WaitUntilState.Load,
+            });
+            var bytes = await page.PdfAsync(new PagePdfOptions
+            {
+                Format = "A4",
+                PrintBackground = true,
+                Margin = new()
+                {
+                    Top = "0",
+                    Right = "0",
+                    Bottom = "0",
+                    Left = "0",
+                }
+            });
+            await File.WriteAllBytesAsync(storagePath, bytes, cancellationToken);
+            return new CvPdfArtifact(fileName, storagePath, bytes);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to export CV PDF to {Path}", storagePath);
+            throw new InvalidOperationException("CV PDF export is unavailable. Ensure Chromium is installed for Playwright on this machine.", ex);
+        }
+    }
+}