Implement meeting assistant v1

2026-05-20 02:06:16 +02:00
parent 90df1edc03
commit 0297bcc0f6
120 changed files with 11883 additions and 180 deletions
@@ -0,0 +1,113 @@
+using MeetingAssistant.Transcription;
+using MeetingAssistant.MeetingNotes;
+using Microsoft.Extensions.Options;
+
+namespace MeetingAssistant.Recording;
+
+public sealed class VaultTranscriptStore : ITranscriptStore
+{
+    private readonly MeetingAssistantOptions options;
+    private readonly ILogger<VaultTranscriptStore> logger;
+
+    public VaultTranscriptStore(IOptions<MeetingAssistantOptions> options, ILogger<VaultTranscriptStore> logger)
+    {
+        this.options = options.Value;
+        this.logger = logger;
+    }
+
+    public async Task<TranscriptSession> CreateSessionAsync(CancellationToken cancellationToken)
+    {
+        var folder = VaultPath.Resolve(options.Vault.TranscriptsFolder);
+        Directory.CreateDirectory(folder);
+
+        var fileName = $"{DateTimeOffset.Now:yyyyMMdd-HHmmss}-transcript.md";
+        var path = Path.Combine(folder, fileName);
+        await File.WriteAllTextAsync(path, $"# Meeting Transcript{Environment.NewLine}{Environment.NewLine}", cancellationToken);
+        logger.LogInformation("Created meeting transcript file {TranscriptPath}", path);
+
+        return new TranscriptSession(path);
+    }
+
+    public Task AppendAsync(TranscriptSession session, TranscriptionSegment segment, CancellationToken cancellationToken)
+    {
+        return AppendToBodyAsync(session.TranscriptPath, FormatSegment(segment), cancellationToken);
+    }
+
+    public Task ReplaceAsync(
+        TranscriptSession session,
+        IReadOnlyList<TranscriptionSegment> replacementSegments,
+        CancellationToken cancellationToken)
+    {
+        var existing = File.Exists(session.TranscriptPath)
+            ? File.ReadAllText(session.TranscriptPath)
+            : "";
+        var (frontmatter, _) = MeetingArtifactFrontmatterRenderer.Split(existing);
+        var body = "# Meeting Transcript"
+            + Environment.NewLine
+            + Environment.NewLine
+            + string.Concat(replacementSegments.Select(FormatSegment));
+        var content = string.IsNullOrWhiteSpace(frontmatter)
+            ? body
+            : "---" + Environment.NewLine + frontmatter + Environment.NewLine + "---" + Environment.NewLine + Environment.NewLine + body;
+        return File.WriteAllTextAsync(session.TranscriptPath, content, cancellationToken);
+    }
+
+    public async Task UpdateMetadataAsync(
+        TranscriptSession session,
+        MeetingSessionArtifacts artifacts,
+        MeetingNote meetingNote,
+        CancellationToken cancellationToken)
+    {
+        var body = File.Exists(session.TranscriptPath)
+            ? MeetingArtifactFrontmatterRenderer.Split(await File.ReadAllTextAsync(session.TranscriptPath, cancellationToken)).Body
+            : "# Meeting Transcript" + Environment.NewLine + Environment.NewLine;
+        var frontmatter = MeetingArtifactFrontmatterRenderer.Create(
+            artifacts,
+            meetingNote,
+            MeetingArtifactFrontmatterRenderer.DefaultTitle(meetingNote, "Meeting Transcript"),
+            session.TranscriptPath);
+
+        await File.WriteAllTextAsync(
+            session.TranscriptPath,
+            MeetingArtifactFrontmatterRenderer.Render(frontmatter, body),
+            cancellationToken);
+    }
+
+    private static string FormatSegment(TranscriptionSegment segment)
+    {
+        var speaker = string.IsNullOrWhiteSpace(segment.Speaker) ? "Unknown" : segment.Speaker;
+        return $"[{segment.Start:hh\\:mm\\:ss}] {speaker}: {segment.Text}{Environment.NewLine}";
+    }
+
+    private static async Task AppendToBodyAsync(
+        string path,
+        string text,
+        CancellationToken cancellationToken)
+    {
+        if (!File.Exists(path))
+        {
+            await File.AppendAllTextAsync(path, text, cancellationToken);
+            return;
+        }
+
+        var content = await File.ReadAllTextAsync(path, cancellationToken);
+        var (frontmatter, body) = MeetingArtifactFrontmatterRenderer.Split(content);
+        if (string.IsNullOrWhiteSpace(frontmatter))
+        {
+            await File.AppendAllTextAsync(path, text, cancellationToken);
+            return;
+        }
+
+        var updated = "---"
+            + Environment.NewLine
+            + frontmatter
+            + Environment.NewLine
+            + "---"
+            + Environment.NewLine
+            + Environment.NewLine
+            + body
+            + text;
+        await File.WriteAllTextAsync(path, updated, cancellationToken);
+    }
+
+}