/// <summary>
/// [async] отправить фото TelegramBot
/// </summary>
public async void SendPhotoTelegramBotAsync(long chat_id, InputFileClass photo, string caption = null, string telegram_cloud_cache_id = null)
{
SetStatus("Отправка фото");
await Task.Run(() =>
{
MessageClass message;
if (string.IsNullOrWhiteSpace(telegram_cloud_cache_id))
{
message = TelegramClient.sendPhoto(chat_id.ToString(), photo, caption, ParseModes.Markdown);
}
else
{
string uploaded_photo_cache = null;
if (cache.TryGetValue(telegram_cloud_cache_id, out uploaded_photo_cache))
{
message = TelegramClient.sendPhoto(chat_id.ToString(), uploaded_photo_cache, caption, ParseModes.Markdown);
}
else
{
message = TelegramClient.sendPhoto(chat_id.ToString(), photo, caption, ParseModes.Markdown);
cache.Set(telegram_cloud_cache_id, message.photo[0].file_id, new MemoryCacheEntryOptions().SetAbsoluteExpiration(TimeSpan.FromHours(48)));
}
}
SetStatus(null);
});
}
/// <summary>
/// [async] отправить документ TelegramBot
/// </summary>
public async void SendDocumentTelegramBotAsync(long chat_id, InputFileClass document, string caption = null)
{
SetStatus("Отправка документа");
await Task.Run(() =>
{
MessageClass message = TelegramClient.sendDocument(chat_id.ToString(), document, caption);
});
}
private async Task <string> SendRequest(string api_bot_method_name, NameValueCollection request_param, InputFileClass file_post)
{
http_response_raw = "";
if (request_param != null && !string.IsNullOrEmpty(request_param["captiom"]) && string.IsNullOrWhiteSpace(request_param["parse_mode"]))
{
request_param["captiom"] = HttpUtility.UrlEncode(request_param["captiom"]);
}
await Task.Run(() =>
{
http_response_raw = MyWebClient.SendRequest(apiUrl + "/" + api_bot_method_name, HttpMethod.Post, request_param, new List <PostedFile>()
{
new PostedFile()
{
Data = file_post.Data, FieldName = file_post.FieldName, FileName = file_post.FileName
}
}, MyWebClient.RequestContentTypes.MultipartFormData);
});
return(http_response_raw);
}