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

145 lines
3.6 KiB
PHP

<?php
/**
* Utilities used to fetch and create templates.
*
* @package WordPress
* @since 5.8.0
*/
/**
* Build a unified template object based a post Object.
*
* @access private
* @since 5.8.0
*
* @param WP_Post $post Template post.
*
* @return WP_Block_Template|WP_Error Template.
*/
function _build_template_result_from_post( $post ) {
$terms = get_the_terms( $post, 'wp_theme' );
if ( is_wp_error( $terms ) ) {
return $terms;
}
if ( ! $terms ) {
return new WP_Error( 'template_missing_theme', __( 'No theme is defined for this template.' ) );
}
$theme = $terms[0]->name;
$template = new WP_Block_Template();
$template->wp_id = $post->ID;
$template->id = $theme . '//' . $post->post_name;
$template->theme = $theme;
$template->content = $post->post_content;
$template->slug = $post->post_name;
$template->source = 'custom';
$template->type = $post->post_type;
$template->description = $post->post_excerpt;
$template->title = $post->post_title;
$template->status = $post->post_status;
$template->has_theme_file = false;
return $template;
}
/**
* Retrieves a list of unified template objects based on a query.
*
* @since 5.8.0
*
* @param array $query {
* Optional. Arguments to retrieve templates.
*
* @type array $slug__in List of slugs to include.
* @type int $wp_id Post ID of customized template.
* }
* @param string $template_type wp_template.
*
* @return array Templates.
*/
function get_block_templates( $query = array(), $template_type = 'wp_template' ) {
$wp_query_args = array(
'post_status' => array( 'auto-draft', 'draft', 'publish' ),
'post_type' => $template_type,
'posts_per_page' => -1,
'no_found_rows' => true,
'tax_query' => array(
array(
'taxonomy' => 'wp_theme',
'field' => 'name',
'terms' => wp_get_theme()->get_stylesheet(),
),
),
);
if ( isset( $query['slug__in'] ) ) {
$wp_query_args['post_name__in'] = $query['slug__in'];
}
// This is only needed for the regular templates CPT listing and editor.
if ( isset( $query['wp_id'] ) ) {
$wp_query_args['p'] = $query['wp_id'];
} else {
$wp_query_args['post_status'] = 'publish';
}
$template_query = new WP_Query( $wp_query_args );
$query_result = array();
foreach ( $template_query->posts as $post ) {
$template = _build_template_result_from_post( $post );
if ( ! is_wp_error( $template ) ) {
$query_result[] = $template;
}
}
return $query_result;
}
/**
* Retrieves a single unified template object using its id.
*
* @since 5.8.0
*
* @param string $id Template unique identifier (example: theme_slug//template_slug).
* @param string $template_type wp_template.
*
* @return WP_Block_Template|null Template.
*/
function get_block_template( $id, $template_type = 'wp_template' ) {
$parts = explode( '//', $id, 2 );
if ( count( $parts ) < 2 ) {
return null;
}
list( $theme, $slug ) = $parts;
$wp_query_args = array(
'post_name__in' => array( $slug ),
'post_type' => $template_type,
'post_status' => array( 'auto-draft', 'draft', 'publish', 'trash' ),
'posts_per_page' => 1,
'no_found_rows' => true,
'tax_query' => array(
array(
'taxonomy' => 'wp_theme',
'field' => 'name',
'terms' => $theme,
),
),
);
$template_query = new WP_Query( $wp_query_args );
$posts = $template_query->posts;
if ( count( $posts ) > 0 ) {
$template = _build_template_result_from_post( $posts[0] );
if ( ! is_wp_error( $template ) ) {
return $template;
}
}
return null;
}