Example #1
0
        // If your activity returns a value, derive from CodeActivity<TResult>
        // and return the value from the Execute method.

        protected override void Execute(CodeActivityContext context)
        {
            // Obtain the runtime value of the Text input argument
            //string text = context.GetValue(this.Text);

            TelegramProp telegramDetails = (TelegramProp)context.DataContext.GetProperties()["telegramDetails"].GetValue(context.DataContext);

            var botToken = telegramDetails.authToken;

            var messageText = Message_Text.Get(context);

            if (messageText == null)
            {
                throw new ArgumentException("Message text input is missing");
            }

            var chatID_str = Chat_Name.Get(context);


            if (chatID_str == null)
            {
                throw new ArgumentException("Channel name input is missing");
            }


            var botClient = new TelegramBotClient(botToken);

            try
            {
                Message message = botClient.SendTextMessageAsync(chatID_str, messageText).GetAwaiter().GetResult();
            }

            catch (Telegram.Bot.Exceptions.ChatNotFoundException)
            {
                throw new Exception("Input Channel " + chatID_str + " does not exist");
            }
            catch (Telegram.Bot.Exceptions.ChatNotInitiatedException)
            {
                throw new Exception("Input Channel " + chatID_str + " has not yet initiated a chat with bot yet");
            }
            catch (Telegram.Bot.Exceptions.ApiRequestException)
            {
                throw new Exception("Input Bot Token - Represents an API error");
            }
            catch (System.Exception ex)
            {
                throw new Exception("Telegram Send Message Failed, Exception:" + ex.Message);
            }
        }
        // If your activity returns a value, derive from CodeActivity<TResult>
        // and return the value from the Execute method.

        protected override void Execute(CodeActivityContext context)
        {
            // Obtain the runtime value of the Text input argument
            //string text = context.GetValue(this.Text);

            TelegramProp telegramDetails = (TelegramProp)context.DataContext.GetProperties()["telegramDetails"].GetValue(context.DataContext);

            var botToken = telegramDetails.authToken;

            var photopath = Image_Path.Get(context);

            if (photopath == null)
            {
                throw new ArgumentException("Photo Path missing");
            }

            var chatID_str = Chat_Name.Get(context);


            if (chatID_str == null)
            {
                throw new ArgumentException("Channel missing");
            }

            var image_text = Image_Text.Get(context);

            if (image_text == null)
            {
                image_text = "";
            }

            var botClient = new TelegramBotClient(botToken);

            string file = photopath;

            var fileName = file.Split(Path.DirectorySeparatorChar).Last();

            //using (var fileStream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
            //{
            //    Message Photo = botClient.SendPhotoAsync(chatID, fileStream, image_text).GetAwaiter().GetResult();
            //}
            try
            {
                using (var fileStream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
                {
                    Message Photo = botClient.SendPhotoAsync(chatID_str, fileStream, image_text).GetAwaiter().GetResult();
                }
            }
            catch (Telegram.Bot.Exceptions.ChatNotFoundException)
            {
                throw new Exception("Input Channel " + chatID_str + "does not exist");
            }
            catch (Telegram.Bot.Exceptions.ChatNotInitiatedException)
            {
                throw new Exception("Input Channel " + chatID_str + " has not yet initiated a chat with bot yet");
            }
            catch (Telegram.Bot.Exceptions.ApiRequestException)
            {
                throw new Exception("Input Bot Token - Represents an API error");
            }
            catch (System.Exception ex)
            {
                throw new Exception("Telegram Send Image Failed, Exception:" + ex.Message);
            }
        }