它可能與只有一個事件與ruby-iCalendar出口VCalendar？

Question

我添加事件的iCalendar：

require 'icalendar' 
calendar = Icalendar::Calendar.new 
...some properties to calendar 
event = Icalendar::Event.new 
...some properties to event 1 
calendar.add_event(event) 
event = Icalendar::Event.new 
...some properties to event 2 
calendar.add_event(event) 

當我打電話到輸出全日曆出版（簡體）

calendar.to_ical 

BEGIN:VCALENDAR 
BEGIN:VEVENT 
...event 1 
END:VEVENT 
BEGIN:VEVENT 
...event 2 
END:VEVENT 
END:VCALENDAR 

如果我把事件1只

event.to_ical 

BEGIN:VEVENT 
...event 1 
END:VEVENT 

的輸出

我想輸出只有這個事件的VCalendar（如過濾器）

BEGIN:VCALENDAR 
BEGIN:VEVENT 
...event 1 
END:VEVENT 
END:VCALENDAR 

有沒有日曆對象的方法？

Answer 1

require 'icalendar' 
calendar = Icalendar::Calendar.new 
...some properties to calendar 
event = Icalendar::Event.new 
...some properties to event 1 
calendar.add_event(event) 
calendar_as_string = "BEGIN:VCALENDAR\n#{event.to_ical}\nEND:VCALENDAR" 

一點點的黑客，但它應該排序你...什麼calendar.to_ical打印？根據tests，它看起來會做你所需要的。

Answer 2

我到了這一刻的解決辦法是，擴大類：

class Icalendar::Event 
    attr_accessor :vcard 
end 

ca = Icalendar::Calendar.new 
ca.add_timezone blah 
...some properties to calendar 
cax = Icalendar::Calendar.new 
cax.add_timezone blah 
...some properties to calendar 
event = Icalendar::Event.new 
... add some properties to event 
cax.add_event(event) 
event.vcard= cax.to_ical 
ca.add_event(event) 

puts ca.find_event(uid).vcard 

但我覺得應該有一個更優雅的方式來做到這一點。謝謝