crowd_prize_wins.rb

@members = {}

Brand.all.each do |brand|
  if drawing = brand.drawings.crowd.last_month.first
    wins = PrizeWin.where(:drawing_id => drawing.id)
    progress = ProgressBar.create(:title => brand.slug, :total => wins.count.to_i, :format => '%t |%b[%P%%]%i| %c/%C [%E]')
    wins.each do |win|
      email = win.member.email
      @members[email] ||= 0
      @members[email] = @members[email].to_i + 1
      progress.increment
    end
  end
end

File.open('/home/deploy/tmp/prizing.csv', 'w') do |file|
  @members.each_pair do |email, count|
    file.puts "#{email}, #{count}"
  end
end