ATNDees.rb

#!/usr/bin/env ruby
# 
# make a summary of attendees who registered an event on ATND.org
# Usage:
#   ATNDees.rb ${event_id}
# 
# Output:
#   creates CSV file in the current directory.
# 
# see also: http://atnd.org
# 

require 'csv'
require 'net/http'
require 'rubygems'
require 'nokogiri'

event_id = ARGV.shift
response_body = Net::HTTP.get(URI.parse("http://atnd.org/events/#{event_id}"))

members = []

html = Nokogiri(response_body)
html.css("ul.member_go li").each do |li|
  name = li.css("a").text
  message = li.xpath("text()").to_s.gsub(/^\s+:\s+/, "").gsub(/\r\n/, " ")
  members << ["", name, message]
end

html.css("ul.member_over li").each do |li|
  name = li.css("a").text
  message = li.xpath("text()").to_s.gsub(/^\s+:\s+/, "").gsub(/\r\n/, " ")
  members << ["*", name, message]
end

CSV.open("atnd-members-#{event_id}.csv", "w") do |writer|
  members.each_with_index { |m,i| writer << [i] + m}
end