札幌で開催される勉強会を抽出する

workshops_at_sapporo.rb

#!/usr/bin/env ruby1.9
# encoding: utf-8

require 'open-uri'

require 'rubygems'
require 'icalendar'

uri = "http://www.google.com/calendar/ical/fvijvohm91uifvd9hratehf65k%40group.calendar.google.com/public/basic.ics"

ics = URI(uri).read
cals = Icalendar.parse(ics)
events = cals.first.events

events_of_interest = events.select {|e|
  e.summary =~ /札幌/ && (e.dtstart - DateTime.now).to_i > 0
}.sort_by {|e| e.dtstart}

puts "Upcomming Events"
events_of_interest.each do |e|
  puts "%s" % [e.dtstart.strftime('%Y年%m月%d日')]
  puts e.summary
  puts "at "+e.location
  puts e.description
  puts
end