[wp-trac] [WordPress Trac] #37914: Taxonomy: Allow terms to be previewed before publishing

[WordPress Trac]

#37914: Taxonomy: Allow terms to be previewed before publishing
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 Reporter:  celloexpressions  |      Owner:
     Type:  enhancement       |     Status:  new
 Priority:  normal            |  Milestone:  4.7
Component:  Taxonomy          |    Version:  trunk
 Severity:  normal            |   Keywords:  needs-patch dev-feedback
  Focuses:                    |
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 There is currently no mechanism to preview or draft taxonomy terms. As
 soon as a draft post with new terms is saved, for example, the new term is
 published, visible to other users in wp-admin, and could be visible on the
 front end of the site depending on the theme and plugins.

 The lack of a draft or preview mechanism also makes it impossible to
 manage terms in the customizer. Long term, the goal is to enable posts and
 terms to be able to be live-previewed with front end context, based on
 functionality being developed in the [https://github.com/xwp/wp-customize-
 posts Customize Posts] and, now, [https://github.com/xwp/wp-customize-
 terms Customize Terms] plugins.

 In 4.7, with the new ability to create posts wintih nav menus (#34923),
 we'd like users to also be able to create terms so that they an set up
 their site structure. Unfortunately this is not possible until we have a
 mechanism for previewing terms. I'm currently milestoning this for 4.7 so
 that we can try to add support for that feature (in a separate ticket),
 but this ticket is for API support only and still may be more than we can
 complete in time for 4.7.

 Based on comments from @boonebgorges on #34923, there are a couple of
 potential approaches for enabling term previewing:
 - Introduce a `term_status` field
 > Even if we don't have anything as robust as a "term status API", we
 still have to be sure that, at the very least, term_status != 'publish'
 terms are excluded from most queries - a change that has the potential for
 weird back compat issues.
 - An internal taxonomy for draft terms, which may be more conservative but
 also more complex, especially if we want to support things like hierarchy
 for draft terms.
 > It may be easier (maybe more code, but fewer hacks) to do on-the-fly
 registration of a separate internal taxonomy for each taxonomy that's
 getting a draft term added via the Customizer.

 We'll want a future-proof solution that can support term meta being
 previewable as well. `auto_draft` posts are the inspiration on the posts
 end for the customizer approach.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37914>
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