Apple Calendar support

[christianwach]

Hi @stephenharris - would you consider adding an iCal feed specifically for Apple Calendar which replaces the use of RDATE with individual occurrences?

As far as I can tell from my tests, Apple Calendar not appear to fully support RDATE - also mentioned in, for example, this post on the WordPress forums and this post on StackExchange. A calendar that illustrates the issue can be found here, in which the problem events are ones with custom repeating schedules.

[stephenharris]

This is doable without editing the core code. You would need to intercept the query at the pre_get_posts stage (probably later on, say priority 15) and ensure that group_events_by was set to occurrence. Then you can copy the ical.php template your theme and make any necessary adjustments.

One such change would be to edit the UID - probably by appending the occurrence ID to it to ensure it's unique amongst all occurrences. You would probably want to remove the RRULE, EXDATE AND RDATE too.

However, I don't think a modified template for Apple Calendar would be incorporated into the core code.

[christianwach]

Thanks for the pointers, I'll see what I can do. In the end I guess it's up to Apple to fix their software, but it's something that confounds the expectations of many users of the calendar feed.

[ajdavis]

@christianwach this is an issue for me, too. Have you written the code that @stephenharris suggested to you? I'd like see it, if you have.

[christianwach]

@ajdavis No not yet. I will make it public when I do.

[ajdavis]

@christianwach Are you ready now? Would you be willing to share with me your work-in-progress, at least? Maybe we could finish it together.

[christianwach]

@ajdavis It's a low priority for me, I'm afraid.

[christianwach]

Leaving this here in case anyone's still in need of this: I've published a basic plugin that offers an Apple Calendar feed for the full calendar. See:

https://github.com/christianwach/event-organiser-apple-cal