Script para sorteio de brindes na RuPy Natal 2014

twitter_draw.rb

require 'twitter'
require 'dotenv'
require 'colorize'

Dotenv.load

def twitter_client
  Twitter::REST::Client.new do |config|
    config.consumer_key    = ENV["TWITTER_CONSUMER_KEY"]
    config.consumer_secret = ENV["TWITTER_CONSUMER_SECRET"]
  end
end

def spin_it(n)
  pinwheel = %w{| / - \\}
  n.times { sleep(0.1) and print(pinwheel.rotate!.first + "\b") }
end

def twitter_user(tweet)
  "@#{tweet.user.screen_name}"
end

def uniq_contenders(query, invalid_users=[])
  twitter_client
    .search(query)
    .reject { |t| t.retweet? }
    .reject { |t| invalid_users.include?(t.user.screen_name) }
    .uniq   { |t| t.user.screen_name}
end

if __FILE__ == $0
  invalid = %q(dtsato RuPyNatal)
  winners = %q(EmillyLeao Herik_Matheus marioidival deeh_azevedo)
  absents = %q(dojusa davicfg)
  contenders = uniq_contenders("#RuPyNatal since:2014-10-17", invalid + winners + absents)

  puts "RuPy Natal 2014".on_cyan.red
  puts
  puts "Participantes do sorteio:".light_red
  contenders.each do |tweet|
    printf "  %15s: %s\n" % [twitter_user(tweet).cyan, tweet.text.light_white]
  end
  puts
  printf "E o ganhador é: ".light_red
  spin_it(50)
  puts twitter_user(contenders.sample).green
end