whofirst.rb

#! /usr/bin/ruby

# Really dumb slack bot.  Change the contents of the people array, run script.  Start
# ngrok, create slack app with a "slash command", use URL from ngrok

require 'sinatra'

def who_first
    cache = '.wholast'
    people = [:Name1, :Name2]
    last = File.read(cache)
    person = people.reject { |p| p.to_sym == last }.sample

    File.write(cache, person)

    "The person who goes first today is... #{person}!"
end

post '/first' do
    who_first
end