[wp-hackers] 'same category name'-issue

[Dylan Kuhn]

I've always used the workaround suggested by JBagley at the end of that
topic. It would be nice if an added category was validated by the same rules
as an updated one. I haven't tried to accomplish that with hooks.

-dylan-

On Fri, Apr 10, 2009 at 8:47 AM, robin niemeyer <robin.niemeyer at gmx.net>wrote:

> Hi all,
>
> I know this issue has been posted frequently in the wp support forum,
> the ticket system etc., but it seems there has been some silence around
> it since then, although I think it still is a problem to many people
> (including me).
>
> What I mean is the issue that every term has to be unique, and while
> this makes a lot of sense regarding tags, it has some serious drawbacks
> when it comes to categories, since this isn't possible right now:
>
> -Sheet Music
> ---Piano
> ---Violin
> -Learn to Play
> ---Piano
> ---Violin
>
> (Example taken from http://wordpress.org/support/topic/177232)
>
> The track tickets regarding this issue are tickets #6211 & #5034, both
> stating WP 2.9 as a milestone for resolving the problem. But since this
> seems to be a database design/abstraction issue it's not unlikely that
> it would stay around for a while, if it can't be solved inside the code
> base itself.
>
> Be it as it is, I think there is a desperate need of a workaround,
> mainly because it should be possible to set up the structure you like
> (or need) to categorize your content (I think it's best to discuss this
> under a categories perspective rather than a terms perspective, because
> as far I can see this is about categories alone, which is why I think
> it's an abstraction issue).
>
> The only solution I could imagine is to call the pre_category_name &
> pre_category_nicename filter hooks inside wp_insert_category() and the
> like before any validation testing takes place, so it's left to the
> developer to act accordingly without breaking the rules (e.g., to prefix
> the name with some sort of token that could be filtered out in both
> backend and frontend view while the data itself rests untouched).
>
> I think there is a reason that both hooks don't get called during
> category insertion (pre_category_name doesn't seem to be called
> anywhere), but what reason is it? And if there's no reason for it, is
> there a chance that this gets implemented in one of the upcoming
> revisions? Or is there some alternative to accomplish the task of
> getting equally named categories to work?
>
> - Robin
>
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