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Helper OpenChat to monitor a group/channel without joining (#333)
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Wizou 2025-08-27 00:18:34 +02:00
parent a9bbdb9fc4
commit eb52dccfa7
1 changed files with 23 additions and 2 deletions
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25
src/Client.Helpers.cs
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@ -13,7 +13,6 @@ namespace WTelegram
{ {
partial class Client partial class Client
{ {
#region Client TL Helpers
/// <summary>Used to indicate progression of file download/upload</summary> /// <summary>Used to indicate progression of file download/upload</summary>
/// <param name="transmitted">transmitted bytes</param> /// <param name="transmitted">transmitted bytes</param>
/// <param name="totalSize">total size of file in bytes, or 0 if unknown</param> /// <param name="totalSize">total size of file in bytes, or 0 if unknown</param>
@ -910,6 +909,28 @@ namespace WTelegram
} }
return chat; return chat;
} }
#endregion
/// <summary>Receive updates for a given group/channel until cancellation is requested.</summary>
/// <param name="channel">Group/channel to monitor without joining</param>
/// <param name="ct">Cancel token to stop the monitoring</param>
/// <remarks>After cancelling, you may still receive updates for a few more seconds</remarks>
public async void OpenChat(InputChannel channel, CancellationToken ct)
{
var cts = CancellationTokenSource.CreateLinkedTokenSource(_cts.Token, ct);
try
{
while (!cts.IsCancellationRequested)
{
var diff = await this.Updates_GetChannelDifference(channel, null, 1, 1, true);
var timeout = diff.Timeout * 1000;
await Task.Delay(timeout != 0 ? timeout : 30000, cts.Token);
}
}
catch (Exception ex)
{
if (!cts.IsCancellationRequested)
Console.WriteLine($"An exception occured for OpenChat {channel.channel_id}: {ex.Message}");
}
}
} }
} }