cal.rb

require "icalendar"
​
WORK_ANNIVERSARIES = {
# RECACTED
}.freeze
​
BIRTHDAYS = {
# REDACTED
}.freeze
​
Icalendar::Event.class_eval do
  optional_single_property :x_microsoft_cdo_busystatus, Icalendar::Values::Text
end
​
calendar = Icalendar::Calendar.new
current_year = Time.now.year
​
def create_event(calendar, summary, year, date)
  event_date = Icalendar::Values::Date.new("#{year}#{date}")
  event = Icalendar::Event.new
  event.dtstart = event_date
  event.dtend = Icalendar::Values::Date.new(event_date.value + 1)
  event.summary = summary
  event.x_microsoft_cdo_busystatus = "FREE"
  calendar.add_event(event)
end
​
(current_year..current_year+3).each do |year|
  WORK_ANNIVERSARIES.each do |name, date|
    create_event(calendar, name, year, date)
  end
​
  BIRTHDAYS.each do |name, date|
    create_event(calendar, name, year, date)
  end
end
​
puts calendar.to_ical