private async Task <IInputFile> UploadProfilePhoto(Telegram service, TelegramClient client,
byte[] resizedPhoto)
{
var fileId = service.GenerateRandomId();
const int chunkSize = 65536;
var chunk = new byte[chunkSize];
uint chunkNumber = 0;
var offset = 0;
using (var memoryStream = new MemoryStream(resizedPhoto))
{
int bytesRead;
while ((bytesRead = memoryStream.Read(chunk, 0, chunk.Length)) > 0)
{
//RPC call
var uploaded =
await client.Methods.UploadSaveFilePartAsync(new UploadSaveFilePartArgs
{
Bytes = chunk,
FileId = fileId,
FilePart = chunkNumber
});
if (!uploaded)
{
return(null);
}
chunkNumber++;
offset += bytesRead;
}
return(new InputFile
{
Id = fileId,
Md5Checksum = "",
Name = service.GenerateRandomId() + ".jpeg",
Parts = chunkNumber
});
}
}