扩大CalDAV中的重复事件 [英] Expanding recurring events in CalDAV

问题描述

假设CalDAV客户端确实很笨（深度嵌入），并且无法自行计算重复发生的事件。但是，它能够发出CalDAV请求。假设CalDAV日历已存储生日。这样的生日是2000年12月31日。现在，客户希望收到2005年5月5日至2008年5月5日之间的所有生日。

Suppose a CalDAV client is really dumb (deeply embedded) and unable to calculate recurring events by itself. It is, however capable of putting in CalDAV requests. Suppose a CalDAV calendar has birthdays stored. One such birthday is on 2000-12-31. Now the client wants to receive all birthdays between 2005-05-05 and 2008-05-05.

我可以让Radicale响应此类请求的唯一方法是作为答案，一个条目DTSTART = 2000-12-31和RRULE属性集。

The only way I can get Radicale to respond to such a request gives as an answer one entry, DTSTART = 2000-12-31 and the RRULE property set.

但是，我希望收到三个单独的实例，其日期为2005-12- 31、2006-12-31和2007-12-31。我尝试使用 limit-recurrence-set和 expand，但是我所描述的都没有。

However, I would wish to receive three separate instances with dates 2005-12-31, 2006-12-31 and 2007-12-31. I tried to use "limit-recurrence-set" and "expand", but neither do what I describe. Is there a way in CalDAV to achieve what I explained?

推荐答案

这可能是Radicale的一个局限，CalDAV本身确实支持复发。扩展： RFC 4791第7.8.3节。 RFC中显示的示例：

This may be a limitation in Radicale, CalDAV itself does support recurrence expansion: RFC 4791 Section 7.8.3. The sample shown in the RFC:

REPORT /bernard/work/ HTTP/1.1
Host: cal.example.com
Depth: 1
Content-Type: application/xml; charset="utf-8"
Content-Length: xxxx

<?xml version="1.0" encoding="utf-8" ?>
<C:calendar-query xmlns:D="DAV:"
                  xmlns:C="urn:ietf:params:xml:ns:caldav">
  <D:prop>
    <C:calendar-data>
      <C:expand start="20060103T000000Z"
                end="20060105T000000Z"/>
    </C:calendar-data>
  </D:prop>
  <C:filter>
    <C:comp-filter name="VCALENDAR">
      <C:comp-filter name="VEVENT">
        <C:time-range start="20060103T000000Z"
                      end="20060105T000000Z"/>
      </C:comp-filter>
    </C:comp-filter>
  </C:filter>
</C:calendar-query>

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