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require 'rubygems'
require 'bundler/setup'
require 'icalendar'
require 'open-uri'
require 'json'
class SublabCalendar
URL = "https://sublab.org:5232/calendars/events"
Event = Struct.new(:summary, :start, :end) do
def to_json(*args)
to_h.to_json(*args)
end
end
attr_reader :calendar
def initialize(ical)
@calendar = Icalendar.parse(ical).first
end
def self.load(url=URL)
ical = open(url, {ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE})
new(ical)
end
def events
calendar.events.map(&method(:readable))
end
def future
calendar.events.select {|ev| ev.dtstart >= DateTime.now}.map(&method(:readable))
end
def past
calendar.events.select {|ev| ev.dtstart < DateTime.now}.map(&method(:readable))
end
def next(count=1)
future.take(count)
end
def readable(event)
Event.new(event.summary, event.dtstart.to_s, event.dtend.to_s)
end
end
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