public static async Task <TlFile> GetFile(this ITelegramClient client, TlAbsInputFileLocation location, int filePartSize, int offset = 0)
{
try
{
return(await client.SendRequestAsync <TlFile>(new TlRequestGetFile
{
Location = location,
Limit = filePartSize,
Offset = offset
}));
}
catch (FileMigrationException ex)
{
var exportedAuth =
await client.SendRequestAsync <TlExportedAuthorization>(new TlRequestExportAuthorization { DcId = ex.Dc });
var clientSettings = client.GetSettings();
Guard.That(clientSettings).IsNotNull();
Guard.That(clientSettings.Session).IsNotNull();
var authKey = clientSettings.Session.AuthKey;
var timeOffset = clientSettings.Session.TimeOffset;
var serverAddress = clientSettings.Session.ServerAddress;
var serverPort = clientSettings.Session.Port;
await client.ReconnectToDcAsync(ex.Dc);
await client.SendRequestAsync <TlAuthorization>(new TlRequestImportAuthorization
{
Bytes = exportedAuth.Bytes,
Id = exportedAuth.Id
});
var result = await client.GetFile(location, filePartSize, offset);
clientSettings.Session.AuthKey = authKey;
clientSettings.Session.TimeOffset = timeOffset;
clientSettings.Session.ServerAddress = serverAddress;
clientSettings.Session.Port = serverPort;
await client.ConnectAsync();
return(result);
}
}
private async void Updates_RecieveUpdates(TlAbsUpdates update)
{
int id = -1;
string text = String.Empty;
DateTime time = DateTime.Now;
switch (update)
{
case TlUpdateShort _:
break;
case TlUpdates updates:
foreach (var item in updates.Updates.Lists)
{
switch (item)
{
case TlUpdateDeleteMessages _:
OnUpdateDialogs?.Invoke();
break;
case TlUpdateContactLink _:
OnUpdateDialogs?.Invoke();
OnUpdateContacts?.Invoke();
break;
case TlUpdateNewChannelMessage updateNewChannelMessage:
update.MessageInfo(out id, out text, out time);
AddNewMessageToUnread(id, text, time);
break;
case TlUpdateNewMessage updateNewMessage:
update.MessageInfo(out id, out text, out time);
AddNewMessageToUnread(id, text, time);
Directory.CreateDirectory($"{Directory.GetCurrentDirectory()}\\Downloads");
switch ((updateNewMessage.Message as TlMessage).Media)
{
case TlMessageMediaDocument document:
var file = document.Document as TlDocument;
var fileName = file.Attributes.Lists.OfType <TlDocumentAttributeFilename>().FirstOrDefault().FileName;
int blockNumber = file.Size % 1048576 == 0 ? file.Size / 1048576 : file.Size / 1048576 + 1;
List <byte> bytes = new List <byte>();
for (int i = 0; i < blockNumber; i++)
{
var resFile = await _client.GetFile(new TlInputDocumentFileLocation { Id = file.Id, AccessHash = file.AccessHash, Version = file.Version }, file.Size, i * 1048576);
bytes.AddRange(resFile.Bytes);
}
ConsoleTelegramUI.WriteToFile(bytes.ToArray(), fileName);
break;
case TlMessageMediaPhoto photo:
var filePhoto = photo.Photo as TlPhoto;
var photoInfo = filePhoto.Sizes.Lists.OfType <TlPhotoSize>().Last();
var tf = (TlFileLocation)photoInfo.Location;
var resFilePhoto = await _client.GetFile(new TlInputFileLocation { LocalId = tf.LocalId, Secret = tf.Secret, VolumeId = tf.VolumeId }, 0);
var date = (updateNewMessage.Message as TlMessage).TimeUnixToWindows(true).ToString();
date = date.Replace(':', '-');
string photoName = $"ConsoleTelegram_{date}.png";
ConsoleTelegramUI.WriteToFile(resFilePhoto.Bytes, photoName);
break;
}
break;
}
}
break;
case TlUpdateShortMessage _:
update.MessageInfo(out id, out text, out time);
AddNewMessageToUnread(id, text, time);
break;
}
}