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agenda-libre-ruby/app/views/events/index.ics.haml

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:ruby
require 'icalendar/tzinfo'
# Create a calendar with an event (standard method)
cal = Icalendar::Calendar.new
@events.each do |event|
tzid = event.region.tzid
use_timezone = true
if cal.timezones.none? { |t| tzid == t.tzid }
# Only add this zone once
begin
tz = TZInfo::Timezone.get tzid
timezone = tz.ical_timezone event.start_time
cal.add_timezone timezone
rescue TZInfo::InvalidTimezoneIdentifier
# No need to add this tz
use_timezone = false
end
end
cal.event do |e|
if use_timezone
e.dtstamp = Icalendar::Values::DateTime.new event.decision_time, tzid: tzid
e.dtstart = Icalendar::Values::DateTime.new event.start_time, tzid: tzid
e.dtend = Icalendar::Values::DateTime.new event.end_time, tzid: tzid
else
e.dtstamp = Icalendar::Values::DateTime.new event.decision_time.localtime
e.dtstart = Icalendar::Values::DateTime.new event.start_time.localtime
e.dtend = Icalendar::Values::DateTime.new event.end_time.localtime
end
e.uid = "#{event.id}@#{request.domain}"
e.summary = event.title
e.description = to_markdown event.description.tr '\'', ''
e.location = event.full_address.tr '\'', ''
e.organizer = "mailto:#{event.contact}"
e.x_alt_desc = Icalendar::Values::Text.new event.description, FMTTYPE: 'text/html'
end
end
cal.publish
= cal.to_ical