| 1 | #nullable enable |
| 2 | |
| 3 | using CascadeIDE.Models.AgentChat; |
| 4 | using CascadeIDE.Models.Intercom; |
| 5 | |
| 6 | namespace CascadeIDE.Services.Intercom; |
| 7 | |
| 8 | /// <summary>Contiguous и disjoint ordinal segments для <see cref="ChatHistoryEventKind.MessageRangeRelated"/>.</summary> |
| 9 | public static class IntercomMessageRangeRelatedSupport |
| 10 | { |
| 11 | public static IReadOnlyList<ChatHistoryMessageOrdinalSegment> ResolveSegments( |
| 12 | ChatHistoryMessageRangeRelatedPayload payload) |
| 13 | { |
| 14 | if (payload.OrdinalSegments is { Count: > 0 } segments) |
| 15 | return segments; |
| 16 | |
| 17 | return |
| 18 | [ |
| 19 | new ChatHistoryMessageOrdinalSegment(payload.StartOrdinal, payload.EndOrdinal), |
| 20 | ]; |
| 21 | } |
| 22 | |
| 23 | public static bool IsDisjoint(ChatHistoryMessageRangeRelatedPayload payload) => |
| 24 | ResolveSegments(payload).Count > 1; |
| 25 | |
| 26 | public static ChatHistoryMessageRangeRelatedPayload CreatePayload( |
| 27 | string threadId, |
| 28 | IReadOnlyList<ChatHistoryMessageOrdinalSegment> segments, |
| 29 | AttachmentAnchor codeRef, |
| 30 | string source) |
| 31 | { |
| 32 | if (segments.Count == 0) |
| 33 | throw new ArgumentException("At least one ordinal segment is required.", nameof(segments)); |
| 34 | |
| 35 | var min = segments.Min(s => s.StartOrdinal); |
| 36 | var max = segments.Max(s => s.EndOrdinal); |
| 37 | |
| 38 | return new ChatHistoryMessageRangeRelatedPayload( |
| 39 | threadId, |
| 40 | min, |
| 41 | max, |
| 42 | codeRef, |
| 43 | source, |
| 44 | segments.Count > 1 ? segments : null); |
| 45 | } |
| 46 | |
| 47 | public static string FormatOrdinalSummary(IReadOnlyList<ChatHistoryMessageOrdinalSegment> segments) |
| 48 | { |
| 49 | if (segments.Count == 0) |
| 50 | return ""; |
| 51 | |
| 52 | if (segments.Count == 1) |
| 53 | { |
| 54 | var s = segments[0]; |
| 55 | return s.StartOrdinal == s.EndOrdinal |
| 56 | ? $"#{s.StartOrdinal}" |
| 57 | : $"#{s.StartOrdinal}–#{s.EndOrdinal}"; |
| 58 | } |
| 59 | |
| 60 | return string.Join(", ", segments.Select(s => |
| 61 | s.StartOrdinal == s.EndOrdinal |
| 62 | ? $"#{s.StartOrdinal}" |
| 63 | : $"#{s.StartOrdinal}–#{s.EndOrdinal}")); |
| 64 | } |
| 65 | |
| 66 | public static bool TryValidateSegmentsInLane( |
| 67 | IReadOnlyList<ChatHistoryMessageOrdinalSegment> segments, |
| 68 | int laneMessageCount, |
| 69 | out string error) |
| 70 | { |
| 71 | error = ""; |
| 72 | foreach (var segment in segments) |
| 73 | { |
| 74 | if (segment.StartOrdinal < 1 || segment.EndOrdinal < 1) |
| 75 | { |
| 76 | error = "Номера сообщений должны быть ≥ 1."; |
| 77 | return false; |
| 78 | } |
| 79 | |
| 80 | if (segment.EndOrdinal < segment.StartOrdinal) |
| 81 | { |
| 82 | error = "Конец диапазона не может быть меньше начала."; |
| 83 | return false; |
| 84 | } |
| 85 | |
| 86 | if (segment.StartOrdinal > laneMessageCount) |
| 87 | { |
| 88 | error = $"Нет сообщения #{segment.StartOrdinal} (в ветке {laneMessageCount})."; |
| 89 | return false; |
| 90 | } |
| 91 | |
| 92 | if (segment.EndOrdinal > laneMessageCount) |
| 93 | { |
| 94 | error = $"Нет сообщения #{segment.EndOrdinal} (в ветке {laneMessageCount})."; |
| 95 | return false; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | return true; |
| 100 | } |
| 101 | } |
| 102 | |