Доработан формат подписи файлов

BotPages.Core/Abstractions/IAlbumBuilder.cs

@@ -6,7 +6,7 @@
 public interface IAlbumBuilder
 {
     /// <summary>Добавить элемент в альбом.</summary>
-    IAlbumBuilder Add(FileDescriptor file, string? caption = null);
+    IAlbumBuilder Add(FileDescriptor file, string? caption = null, MessageFormat? captionFormat = null);
     /// <summary>Отправить альбом.</summary>
     Task SendAsync(CancellationToken ct = default);
 }

BotPages.Core/Abstractions/IMessengerAdapter.cs

@@ -21,7 +21,7 @@ public interface IMessengerAdapter
     /// <summary>
     /// Отправить файл в чат.
     /// </summary>
-    Task SendFileAsync(string chatId, FileDescriptor file, string? caption, CancellationToken ct);
+    Task SendFileAsync(string chatId, FileDescriptor file, string? caption, MessageFormat? captionFormat, CancellationToken ct);
 
     /// <summary>
     /// Создать билдер альбома для отправки медиагруппы.

BotPages.Core/Context/PageContext.cs

@@ -51,11 +51,17 @@ public sealed class PageContext
         CancellationToken ct = default)
         => Adapter.SendTextAsync(this.Update.Chat.Id, text, format, inline, reply, ct);
 
+    /// <summary>
+    /// Отправить файл.
+    /// </summary>
+    public Task SendFileAsync(FileDescriptor file, string? caption = null, MessageFormat? captionFormat = null, CancellationToken ct = default)
+        => Adapter.SendFileAsync(this.Update.Chat.Id, file, caption, captionFormat, ct);
+
     /// <summary>
     /// Отправить файл.
     /// </summary>
     public Task SendFileAsync(FileDescriptor file, string? caption = null, CancellationToken ct = default)
-        => Adapter.SendFileAsync(this.Update.Chat.Id, file, caption, ct);
+        => Adapter.SendFileAsync(this.Update.Chat.Id, file, caption, null, ct);
 
     /// <summary>
     /// Получить билдер альбомов.

BotPages.Core/Messaging/MessageBuilder.cs

@@ -12,8 +12,8 @@ public sealed class MessageBuilder
     private MessageFormat _format = MessageFormat.Plain;
     private readonly List<List<InlineButton>> _inline = new();
     private readonly List<List<ReplyButton>> _reply = new();
-    private readonly List<(FileDescriptor file, string? caption)> _files = new();
-    private readonly List<(FileDescriptor file, string? caption)> _album = new();
+    private readonly List<(FileDescriptor file, string? caption, MessageFormat? captionFormat)> _files = new();
+    private readonly List<(FileDescriptor file, string? caption, MessageFormat? captionFormat)> _album = new();
     private string? _progressTitle = null;
     private int? _progressPercent = null;
     private string? _progressMessageId = null;
@@ -86,16 +86,16 @@ public sealed class MessageBuilder
     }
 
     /// <summary>Добавить файл для отправки.</summary>
-    public MessageBuilder File(FileDescriptor file, string? caption = null)
+    public MessageBuilder File(FileDescriptor file, string? caption = null, MessageFormat? captionFormat = null)
     {
-        _files.Add((file, caption));
+        _files.Add((file, caption, captionFormat));
         return this;
     }
 
     /// <summary>Добавить файл в альбом.</summary>
-    public MessageBuilder Album(FileDescriptor file, string? caption = null)
+    public MessageBuilder Album(FileDescriptor file, string? caption = null, MessageFormat? captionFormat = null)
     {
-        _album.Add((file, caption));
+        _album.Add((file, caption, captionFormat));
         return this;
     }
 
@@ -117,15 +117,15 @@ public sealed class MessageBuilder
         }
 
         // Файлы
-        foreach (var (file, caption) in _files)
-            await _ctx.SendFileAsync(file, caption, ct);
+        foreach (var (file, caption, captionFormat) in _files)
+            await _ctx.SendFileAsync(file, caption, captionFormat, ct);
 
         // Альбом
         if (_album.Count > 0)
         {
             var builder = _ctx.Albums;
-            foreach (var (file, caption) in _album)
-                builder.Add(file, caption);
+            foreach (var (file, caption, captionFormat) in _album)
+                builder.Add(file, caption, captionFormat);
             await builder.SendAsync(ct);
         }
 

BotPages.Telegram/TelegramAdapter.cs

@@ -157,7 +157,7 @@ public sealed class TelegramAdapter : IMessangerAdapterSetup
     }
 
     /// <inheritdoc />
-    public async Task SendFileAsync(string chatId, FileDescriptor file, string? caption, CancellationToken ct)
+    public async Task SendFileAsync(string chatId, FileDescriptor file, string? caption, MessageFormat? captionFormat, CancellationToken ct)
     {
         if (_client is null)
         {
@@ -188,20 +188,51 @@ public sealed class TelegramAdapter : IMessangerAdapterSetup
             inputFile = new InputFileId(file.Id);
         }
 
+        var parseMode = ParseMode.None;
+
+        switch (captionFormat)
+        {
+            case MessageFormat.Html:
+                {
+                    parseMode = ParseMode.Html;
+                    break;
+                }
+            case MessageFormat.Plain:
+                {
+                    parseMode = ParseMode.None;
+                    break;
+                }
+            case MessageFormat.Markdown:
+                {
+                    parseMode = ParseMode.MarkdownV2;
+                    break;
+                }
+            case null:
+                {
+                    parseMode = ParseMode.None;
+                    break;
+                }
+            default:
+                {
+                    _logger.Log(LogLevel.Warn, $"MessageFormat '{captionFormat}' not supported. Degraded to plain text.");
+                    break;
+                }
+        }
+
         // В зависимости от FileKind выбираем подходящий метод
         switch (file.Kind)
         {
             case FileKind.Photo:
-                await _client.SendPhoto(long.Parse(chatId), inputFile, caption ?? "", cancellationToken: ct);
+                await _client.SendPhoto(long.Parse(chatId), inputFile, caption ?? "", parseMode, cancellationToken: ct);
                 break;
             case FileKind.Video:
-                await _client.SendVideo(long.Parse(chatId), inputFile, caption: caption ?? "", cancellationToken: ct);
+                await _client.SendVideo(long.Parse(chatId), inputFile, caption: caption ?? "", parseMode, cancellationToken: ct);
                 break;
             case FileKind.Audio:
-                await _client.SendAudio(long.Parse(chatId), inputFile, caption ?? "", cancellationToken: ct);
+                await _client.SendAudio(long.Parse(chatId), inputFile, caption ?? "", parseMode, cancellationToken: ct);
                 break;
             default:
-                await _client.SendDocument(long.Parse(chatId), inputFile, caption ?? "", cancellationToken: ct);
+                await _client.SendDocument(long.Parse(chatId), inputFile, caption ?? "", parseMode, cancellationToken: ct);
                 break;
         }
     }

BotPages.Telegram/TelegramAlbumBuilder.cs

@@ -20,7 +20,7 @@ public sealed class TelegramAlbumBuilder : IAlbumBuilder
     private readonly PageContext _ctx;
     private readonly ILogger _logger;
     private readonly TelegramBotClient? _client;
-    private readonly List<(FileDescriptor file, string? caption)> _items = new();
+    private readonly List<(FileDescriptor file, string? caption, MessageFormat? captionFormat)> _items = new();
 
     /// <summary>Создать билдер альбома.</summary>
     public TelegramAlbumBuilder(TelegramAdapter adapter, PageContext ctx, ILogger logger, TelegramBotClient? client)
@@ -32,9 +32,9 @@ public sealed class TelegramAlbumBuilder : IAlbumBuilder
     }
 
     /// <inheritdoc />
-    public IAlbumBuilder Add(FileDescriptor file, string? caption = null)
+    public IAlbumBuilder Add(FileDescriptor file, string? caption = null, MessageFormat? captionFormat = null)
     {
-        _items.Add((file, caption));
+        _items.Add((file, caption, captionFormat));
         return this;
     }
 
@@ -52,13 +52,13 @@ public sealed class TelegramAlbumBuilder : IAlbumBuilder
         if (!_adapter.Capabilities.SupportsAlbums)
         {
             _logger.Log(LogLevel.Warn, "Albums not supported. Degraded to sequential sends.");
-            foreach (var (file, caption) in _items)
-                await _adapter.SendFileAsync(_ctx.Update.Chat.Id, file, caption, ct);
+            foreach (var (file, caption, captionFormat) in _items)
+                await _adapter.SendFileAsync(_ctx.Update.Chat.Id, file, caption, captionFormat, ct);
             return;
         }
 
         var media = new List<IAlbumInputMedia>();
-        foreach (var (file, caption) in _items)
+        foreach (var (file, caption, captionFormat) in _items)
         {
             Stream? stream = null;
             if (file.GetStreamAsync is not null)
@@ -95,7 +95,7 @@ public sealed class TelegramAlbumBuilder : IAlbumBuilder
             {
                 // Telegram не поддерживает document в альбомах — деградация
                 _logger.Log(LogLevel.Warn, $"Document '{file.Kind}' in album not supported. Sending document separately.");
-                await _adapter.SendFileAsync(_ctx.Update.Chat.Id, file, caption, ct);
+                await _adapter.SendFileAsync(_ctx.Update.Chat.Id, file, caption, captionFormat, ct);
             }
         }