Reminds me of https://dev.tiki.org/Learning-Record-Store
On Sat, 27 Feb 2021 00:10:13 -0800 Tiki users mailing list [email protected] said
> Hi,
>
> Imagine we want to represent some events using trackers. Each event
> has event class, event timestamp, maybe some other common fields, and
> some fields that are specific to its event class.
> The classes can be key press, mouse click, timer event, etc. For a
> key press we want to store which key was pressed, for a mouse click we
> want to store a mouse position, for a timer event a timer id, etc.
> What is a reasonable way of doing this?
> I can think of 3 options:
> - Put all events to one tracker that has a union of all fields from
> all event types. Hide/show class-specific fields based on the selected
> event class, probably using rules. This seems a bit hard to maintain,
> e.g. if there are 5 class-specific fields for each class and 4
> classes, I'll have to define 4 rules with 20 hide/show commands each.
> Plugin JQ may help, but I am not sure how to inject it into a standard
> tracker item editor.
> - Define a tracker per event class and give the common fields the same
> names in all the trackers. Plugin List can fetch items from multiple
> trackers, so it may work, but I think it is a bit hackish, and plugins
> that take only one tracker will not be usable.
> - Define one tracker for common fields, one tracker per class for
> class-specific fields and link the trackers via item links. This is
> how one would do it in a SQL database, but I think doing joins in
> TikiWiki is not that easy.
>
> How do people usually handle something like this in TikiWiki?
>
> Thanks,
> Ilya
>
>
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