Echo bot

app/controllers/telegram_bot_updates_controller.rb

@@ -8,6 +8,8 @@ class TelegramBotUpdatesController < ApplicationController
   def create
     logger.info params.inspect
 
+    handle_message params[:message] if params[:message]
+
     render status: :no_content, json: {}
   end
 
@@ -20,4 +22,15 @@ private
   def verify_telegram_bot_secret
     raise NotAuthorizedError unless params[:secret] == @telegram_bot.secret
   end
+
+  def handle_message(message)
+    chat_id = Integer message[:chat][:id]
+    text    = String  message[:text]
+
+    RestClient.post(
+      "https://api.telegram.org/bot#{@telegram_bot.api_token}/sendMessage",
+      chat_id: chat_id,
+      text:    "Message received: #{text}",
+    )
+  end
 end