forked from admin/VolcanicAgenticCore
ee3049e47a
Add TelegramLimits, TelegramChatChannel (every delivery through
ChatRenderer.RunInOrderAsync, auto photo falls back to a document on a 400)
and wire it into ChatRegistry as AgentSessionOptions.Channel and
ChatContext.Channel. Spec: SendTextAsync names its failure text
("Telegram did not accept the message.") and throws when any chunk fails.
33 lines
1.3 KiB
C#
33 lines
1.3 KiB
C#
using System.Globalization;
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namespace Volcanic.AgenticCore.Telegram.Rendering;
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/// <summary>Bot API size limits (cloud Bot API server) and size text for users and the model.</summary>
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public static class TelegramLimits
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{
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private const long MiB = 1024 * 1024;
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/// <summary>Bots can download files up to 20 MB.</summary>
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public const long MaxDownloadBytes = 20 * MiB;
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/// <summary>Largest photo a bot can upload with <c>sendPhoto</c>.</summary>
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public const long MaxPhotoBytes = 10 * MiB;
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/// <summary>Largest file a bot can upload with <c>sendDocument</c>.</summary>
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public const long MaxDocumentBytes = 50 * MiB;
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/// <summary>Longest photo or document caption, in characters.</summary>
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public const int MaxCaptionLength = 1024;
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/// <summary>Megabytes with one decimal, e.g. <c>21.0</c>.</summary>
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public static string Megabytes(long bytes) => (bytes / (double)MiB).ToString("0.0", CultureInfo.InvariantCulture);
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/// <summary><c>5 bytes</c>, <c>1.5 KB</c>, <c>1.2 MB</c>.</summary>
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public static string FormatSize(long bytes) => bytes switch
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{
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< 1024 => $"{bytes.ToString(CultureInfo.InvariantCulture)} bytes",
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< MiB => $"{(bytes / 1024.0).ToString("0.0", CultureInfo.InvariantCulture)} KB",
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_ => $"{Megabytes(bytes)} MB",
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};
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}
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