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Only list the custom block templates in the list of available templates per post type #2020

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youknowriad wants to merge 1 commit into from
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Only list the custom block templates in the list of available templates per post type #2020

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2 changes: 1 addition & 1 deletion src/wp-includes/class-wp-theme.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1250,8 +1250,8 @@ public function get_post_templates() {
}

if ( current_theme_supports( 'block-templates' ) ) {
$block_templates = get_block_templates( array(), 'wp_template' );
foreach ( get_post_types( array( 'public' => true ) ) as $type ) {
$block_templates = get_block_templates( array( 'post_type' => $type ), 'wp_template' );

@Mamaduka Mamaduka Dec 7, 2021 •
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Thanks for working on this, Riad. While an update will fix the issue, I'm a little worried about the WP_Query calls this change will produce.

Since only custom templates (is_custom = true) are allowed to be page/post templates, maybe we use that property and conditionally add templates to the list?

@youknowriad youknowriad Dec 7, 2021

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I'm not sure I understand? Are you worried about the number of requests? Is there a way maybe to solve this by adding a new is_custom to the query object?

@Mamaduka Mamaduka Dec 7, 2021

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Yes, I'm worried about the number of requests.

We'll still need the post_type to check if the template is supported for this specific post type.

I think this has to be done slightly differently than we do in a plugin. I can create PR for my idea of PoC later today/tomorrow if we're not limited in the timeline.

@Mamaduka Mamaduka Dec 7, 2021

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Rough example:

if ( current_theme_supports( 'block-templates' ) ) {
	$block_templates = get_block_templates( array(), 'wp_template' );
	foreach ( get_post_types( array( 'public' => true ) ) as $type ) {
		foreach ( $block_templates as $block_template ) {
			if ( ! $block_template->is_custom ) {
				continue;
			}

			if ( isset( $block_template->post_types ) && ! in_array( $type, $block_template->post_types, true ) ) {
				continue;
			}

			$post_templates[ $type ][ $block_template->slug ] = $block_template->title;
		}
	}
}

We have to use properties directly in the loop instead of passing post type as query argument because we don't have access to the current post type in the get_post_templates method.

@youknowriad youknowriad Dec 7, 2021

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we don't have access to the current post type in the get_post_templates method.

Why we need that to determine whether a template is is_custom ?

--
I think we can probably commit the PR as is and consider improvements in follow-up to buy us time WDYT?

@Mamaduka Mamaduka Dec 7, 2021

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I think we can probably commit the PR as is and consider improvements in follow-up to buy us time WDYT?

Sounds good. I can do a follow-up PR for beta 3.

Why we need that to determine whether a template is is_custom?

We don't need to know the post type for is_custom.

foreach ( $block_templates as $block_template ) {
$post_templates[ $type ][ $block_template->slug ] = $block_template->title;
}
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