Honor 'template_hierarchy' filters when creating a template in the Site Editor #6322

Aljullu · 2024-03-26T13:03:53Z

Testing steps

Add this code snippet to your site. You can use the Code Snippets plugin:

add_filter( 'page_template_hierarchy', function ( $templates ) {
        return ['single'];
} );

Visit any page in the frontend. You will notice the Single template is used, instead of the Page template.
Now, go to Appearance > Editor > Templates > Add New Template > Pages and select any page.
Verify the suggested content to start with in the Choose a pattern screen is from the Single template, instead of the Page template.

Before	After

Trac ticket: https://core.trac.wordpress.org/ticket/60846

This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.

github-actions · 2024-03-26T13:04:09Z

The following accounts have interacted with this PR and/or linked issues. I will continue to update these lists as activity occurs. You can also manually ask me to refresh this list by adding the props-bot label.

Core Committers: Use this line as a base for the props when committing in SVN:

Props aljullu, mukesh27, ntsekouras, jorgefilipecosta, gziolo.

To understand the WordPress project's expectations around crediting contributors, please review the Contributor Attribution page in the Core Handbook.

github-actions · 2024-03-26T13:31:52Z

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Aljullu · 2024-03-26T14:05:03Z

cc @gziolo in case you have some thoughts on the issue and the approach taken in this PR.

Also cc @ntsekouras as I think you wrote most of the code this PR is based on here: WordPress/gutenberg#42520.

Thanks in advance, folks!

mukeshpanchal27 · 2024-03-29T05:43:47Z

src/wp-includes/block-template-utils.php

+	}
+	$valid_template_types = array( '404', 'archive', 'attachment', 'author', 'category', 'date', 'embed', 'frontpage', 'home', 'index', 'page', 'paged', 'privacypolicy', 'search', 'single', 'singular', 'tag', 'taxonomy' );
+	if ( in_array( $template_type, $valid_template_types ) ) {
+		return apply_filters( "{$template_type}_template_hierarchy", $template_hierarchy );


The document is missing for filter.

Thanks for letting me know, I just added it in e742973. Given that this filter is documented in wp-includes/template.php, my understanding is that adding a comment like This filter is documented in wp-includes/template.php is the correct approach? I took these two examples (1, 2) as a reference.

gziolo · 2024-03-29T09:03:51Z

Also cc @ntsekouras as I think you wrote most of the code this PR is based on here: WordPress/gutenberg#42520.

Nik might have better insights as he worked on the code.

ntsekouras

Thanks for the PR @Aljullu! In general I think it's a fine addition to apply the filter. I'm wondering though why not start with a PR in Gutenberg repo. This issue it seems will be included in 6.6 and is needed in GB too.

ntsekouras · 2024-03-29T13:05:34Z

src/wp-includes/block-template-utils.php

+	} else {
+		list( $template_type ) = explode( '-', $slug );
+	}
+	$valid_template_types = array( '404', 'archive', 'attachment', 'author', 'category', 'date', 'embed', 'frontpage', 'home', 'index', 'page', 'paged', 'privacypolicy', 'search', 'single', 'singular', 'tag', 'taxonomy' );


I guess you got these from: https://developer.wordpress.org/reference/hooks/type_template_hierarchy/, right?

The logic for checking whether to apply the filter or not, I guess could go on top of the function, since we already have some early returns.

Regarding the actual logic for template_type, I'd love some eyes from @jorgefilipecosta, since while I introduced this function, he has updated it afterwards.

I guess you got these from: https://developer.wordpress.org/reference/hooks/type_template_hierarchy/, right?

Yup, directly from the documented code, in fact:

https://github.com/WordPress/wordpress-develop/blob/6.4/src/wp-includes/template.php#L39-L56

The logic for checking whether to apply the filter or not, I guess could go on top of the function, since we already have some early returns.

Good catch, I missed those early returns. In c83b3ac I updated the code so we call apply_filter() on those early returns as well. It's not 100% clear to me if that's what you were proposing or you have a better idea?

That was it, thank you! We just need a quick look from @jorgefilipecosta now :)

…te Editor

Aljullu · 2024-04-01T12:31:07Z

Thanks for taking a look, folks! I updated the PR based on the provided feedback.

I'm wondering though why not start with a PR in Gutenberg repo. This issue it seems will be included in 6.6 and is needed in GB too.

I'm probably missing something from how the Gutenberg → WordPress code transfer works. While I know these functions were first introduced in Gutenberg, I thought they were moved to WordPress core and new contributions/updates should be done here? Or is there another way of approaching this?

Note: some PHP tests are failing, but it doesn't seem related to this PR and they are failing in other PRs too.

jorgefilipecosta

The changes look good 👍 Thank you @Aljullu for working on this. I think this PR can be added to core. It deserves some testing on the Gutenberg plugin, but testing the function on Gutenberg plugin is not trivial as it is not there anymore. I will look into hot to reverse port this PR to Gutenberg and propose a solution today.

ntsekouras · 2024-04-02T11:23:36Z

but testing the function on Gutenberg plugin is not trivial as it is not there anymore. I will look into hot to reverse port this PR to Gutenberg and propose a solution today.

Thanks for looking here @jorgefilipecosta and for looking for the GB PR. I think we need to override just one class function that uses this one.

Aljullu · 2024-04-08T07:35:37Z

@jorgefilipecosta thanks for bringing this change to Gutenberg! Now that this has been merged there, should I close this PR and the associated trac ticket?

jorgefilipecosta · 2024-04-08T17:13:31Z

@jorgefilipecosta thanks for bringing this change to Gutenberg! Now that this has been merged there, should I close this PR and the associated trac ticket?

Yes, This PR can be closed as it was committed to both Gutenberg and core trunk at f18c917.

Aljullu force-pushed the 60846-template_hierarchy-filter-choose-a-pattern branch 2 times, most recently from 379772f to 82149d6 Compare March 26, 2024 13:09

Aljullu mentioned this pull request Mar 28, 2024

[WIP] Update templates that fallback to the Product Catalog template woocommerce/woocommerce#44778

Closed

15 tasks

mukeshpanchal27 reviewed Mar 29, 2024

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ntsekouras reviewed Mar 29, 2024

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Aljullu force-pushed the 60846-template_hierarchy-filter-choose-a-pattern branch from 74251ec to a9065d5 Compare April 1, 2024 12:07

Aljullu added 3 commits April 1, 2024 14:19

Honor 'template_hierarchy' filters when creating a template in the Si…

681c62c

…te Editor

Add document comment before apply_filters

e742973

Apply template_hierarchy filter also to early returns

c83b3ac

Aljullu force-pushed the 60846-template_hierarchy-filter-choose-a-pattern branch from a9065d5 to c83b3ac Compare April 1, 2024 12:19

jorgefilipecosta approved these changes Apr 2, 2024

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jorgefilipecosta mentioned this pull request Apr 2, 2024

Fix: Honor 'template_hierarchy' filters on template fallbacks. WordPress/gutenberg#60377

Merged

jorgefilipecosta mentioned this pull request Apr 8, 2024

60846 template hierarchy filter choose a pattern #6370

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Aljullu closed this Apr 9, 2024

Aljullu deleted the 60846-template_hierarchy-filter-choose-a-pattern branch April 9, 2024 06:30

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Honor 'template_hierarchy' filters when creating a template in the Site Editor #6322

Honor 'template_hierarchy' filters when creating a template in the Site Editor #6322

Aljullu commented Mar 26, 2024

github-actions bot commented Mar 26, 2024 •

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Aljullu commented Mar 26, 2024

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Honor 'template_hierarchy' filters when creating a template in the Site Editor #6322

Honor 'template_hierarchy' filters when creating a template in the Site Editor #6322

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Aljullu commented Mar 26, 2024

Testing steps

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github-actions bot commented Mar 26, 2024

Test using WordPress Playground

Some things to be aware of

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