caldav::CalDAV instproc calcCtag (public)

 <instance of caldav::CalDAV> calcCtag user_id

Defined in /var/www/openacs.org/packages/caldav/tcl/caldav-procs.tcl

Generate a ctag (collection entity tag). The calendar ctag is like a resource etag; it changes when anything in the (joint) calendar has changed. This implementation returns a md5 value from the sum of the cal_item_ids, which changes when an item is deleted or a new community is joined, and the latest modification date of the cal_item_ids.

Parameters:

user_id (required)

Testcases:

macOS_subscribe