Class: Tilia::VObject::Splitter::ICalendar

Inherits:
Object
  • Object
show all
Includes:
SplitterInterface
Defined in:
lib/tilia/v_object/splitter/i_calendar.rb

Overview

Splitter.

This class is responsible for splitting up iCalendar objects.

This class expects a single VCALENDAR object with one or more calendar-objects inside. Objects with identical UID’s will be combined into a single object.

Instance Method Summary collapse

Constructor Details

#initialize(input, options = 0) ⇒ ICalendar

Constructor.

The splitter should receive an readable file stream as it’s input.

Parameters:

  • input (resource)
  • options (Fixnum) (defaults to: 0) —

    Parser options, see the OPTIONS constants.



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# File 'lib/tilia/v_object/splitter/i_calendar.rb', line 31

def initialize(input, options = 0)
  @vtimezones = {}
  @objects = {}

  data = Reader.read(input, options)

  unless data.is_a?(Component::VCalendar)
    fail ParseException, 'Supplied input could not be parsed as VCALENDAR.'
  end

  data.children.each do |component|
    next unless component.is_a? Component

    if component.name == 'VTIMEZONE'
      @vtimezones[component['TZID'].to_s] = component
      next
    end

    # Get component UID for recurring Events search
    if component['UID'].blank?
      component['UID'] = "#{Digest::SHA1.hexdigest(Time.now.to_s + rand.to_s)}-vobjectimport"
    end

    uid = component['UID'].to_s

    # Take care of recurring events
    @objects[uid] = Component::VCalendar.new unless @objects.key?(uid)

    @objects[uid].add(component.dup)
  end
end

Instance Method Details

#next ⇒ Sabre\VObject\Component?

Every time self.next is called, a new object will be parsed, until we hit the end of the stream.

When the end is reached, null will be returned.

Returns:



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# File 'lib/tilia/v_object/splitter/i_calendar.rb', line 69

def next
  key = @objects.keys.first

  if key
    object = @objects.delete(key)

    # create our baseobject
    object['VERSION'] = '2.0'
    object['PRODID'] = "-//Tilia//Tilia VObject #{Version::VERSION}//EN"
    object['CALSCALE'] = 'GREGORIAN'

    # add vtimezone information to obj (if we have it)
    @vtimezones.keys.each do |vtimezone|
      object.add(@vtimezones[vtimezone])
    end

    return object
  else
    return nil
  end

  nil
end