Slack Bot

slack.rb

require 'httparty'

class SlackRuby
  include HTTParty
  base_uri 'slack.com/api'

  def initialize(token)
    @token = token
  end

  def post_message(args)
    options = { query: args.merge!(token: @token) }
    self.class.post('/chat.postMessage', options)
  end
end

slack = SlackRuby.new('slack-token-api')
puts slack.post_message(channel: 'channel-id', text: 'Oi :)')