Github repo:
https://github.com/corsego/02-03-04-telegrails
Useful resources:
https://web.telegram.org/
https://github.com/jnunemaker/httparty
Heroku demo:
http://telegrails.herokuapp.com/

0:00 Intro
1:37 Create Bot
03:54 API - get bot ID
05:02 API - get user ID, messages
07:01 create group, get group ID
8:14 API - send message
10:32 - Rails link to API request
14:22 - HTTParty, API request via controller
20:41 - set global TELEGRAM api key
25:39 - improve HTTParty method