| 1 | #nullable enable |
| 2 | namespace CascadeIDE.Features.Chat; |
| 3 | |
| 4 | public partial class ChatPanelViewModel |
| 5 | { |
| 6 | private readonly ChatSurfaceCompositor _chatSurfaceCompositor = new(); |
| 7 | private int _lastOverviewThreadCount = -1; |
| 8 | |
| 9 | private void RefreshChatSurfaceSnapshot() |
| 10 | { |
| 11 | NormalizeOrphanMessageThreadIds(); |
| 12 | RebuildSedmScopeStrip(); |
| 13 | var sedmTimeline = BuildSedmTimelineEntries(); |
| 14 | ChatSurfaceSnapshot = _chatSurfaceCompositor.Compose(new ChatSurfaceIntent( |
| 15 | BuildConversationMessages(), |
| 16 | _activeClarificationBatch, |
| 17 | SelectedMessageIndex, |
| 18 | _mainThreadId, |
| 19 | _activeThreadId, |
| 20 | ThreadBranchHint, |
| 21 | BuildProductSpine(), |
| 22 | sedmTimeline, |
| 23 | BuildThreadDisplayTitles(), |
| 24 | _threadForks, |
| 25 | _topicPickerPresentation, |
| 26 | HighlightedMessageIndices.Count > 0 ? HighlightedMessageIndices : null)) |
| 27 | with { SedmScopeStrip = _sedmScopeStrip }; |
| 28 | |
| 29 | var overview = ChatSurfaceSnapshot.Layout.Overview; |
| 30 | if (overview.Count == 0) |
| 31 | { |
| 32 | SelectedChatThreadId = Guid.Empty; |
| 33 | _lastOverviewThreadCount = 0; |
| 34 | return; |
| 35 | } |
| 36 | |
| 37 | ApplyAdaptiveOverviewDefault(overview.Count); |
| 38 | |
| 39 | if (SelectedChatThreadId == Guid.Empty || !overview.Any(x => x.ThreadId == SelectedChatThreadId)) |
| 40 | { |
| 41 | var preferred = Guid.Empty; |
| 42 | foreach (var thread in overview) |
| 43 | { |
| 44 | if (thread.ThreadId != _activeThreadId) |
| 45 | continue; |
| 46 | preferred = thread.ThreadId; |
| 47 | break; |
| 48 | } |
| 49 | |
| 50 | SelectedChatThreadId = preferred != Guid.Empty ? preferred : overview[0].ThreadId; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | private void ApplyAdaptiveOverviewDefault(int threadCount) => |
| 55 | ChatTopicOverviewPolicy.ApplyAdaptiveDefault( |
| 56 | threadCount, |
| 57 | ref _lastOverviewThreadCount, |
| 58 | value => IsChatOverviewMode = value, |
| 59 | () => IsChatOverviewMode); |
| 60 | |
| 61 | /// <summary>Сообщения без thread_id (legacy AEE trace) — в активную/основную ветку, чтобы не появлялась «призрачная» вкладка 00000000….</summary> |
| 62 | private void NormalizeOrphanMessageThreadIds() |
| 63 | { |
| 64 | var target = ResolveMessageThreadId(); |
| 65 | if (target == Guid.Empty) |
| 66 | return; |
| 67 | |
| 68 | foreach (var message in ChatMessages) |
| 69 | { |
| 70 | if (message.ThreadId == Guid.Empty) |
| 71 | message.AssignThread(target); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | private IReadOnlyList<ChatConversationMessage> BuildConversationMessages() => |
| 76 | ChatMessages |
| 77 | .Select((message, index) => new ChatConversationMessage( |
| 78 | message.MessageId, |
| 79 | message.Role, |
| 80 | message.Content, |
| 81 | message.ThreadId, |
| 82 | message.ParentMessageId, |
| 83 | index, |
| 84 | message.SlashCommandPath, |
| 85 | message.SlashCommandArgs, |
| 86 | message.SlashCommandStatus, |
| 87 | message.Attachments, |
| 88 | message.Audience)) |
| 89 | .ToList(); |
| 90 | } |
| 91 | |