133 lines
3.3 KiB
PHP
133 lines
3.3 KiB
PHP
<?php
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/**
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* Block Template Utils class
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*
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* @since 4.7.0
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* @package elasticpress
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*/
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namespace ElasticPress;
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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/**
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* Block Template Utils class
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*/
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class BlockTemplateUtils {
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const CACHE_KEY = 'ep_blocks';
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/**
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* Hook cache cleanup calls
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*/
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public function setup() {
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add_action( 'save_post_wp_template', [ $this, 'regenerate_cache' ] );
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add_action( 'save_post_wp_template_part', [ $this, 'regenerate_cache' ] );
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add_action( 'switch_theme', [ $this, 'regenerate_cache' ] );
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}
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/**
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* Delete and regenerate the cache
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*/
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public function regenerate_cache() {
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delete_transient( self::CACHE_KEY );
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// Simply calling it will reset the transient (if the `ep_blocks_pre_all_blocks` filter isn't in use.)
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$this->get_all_blocks_in_all_templates();
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}
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/**
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* Given a block name, return all its instances across all block templates
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*
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* @param string $block_name The block name, e.g., `elasticpress/facet-meta`
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* @return array
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*/
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public function get_specific_block_in_all_templates( string $block_name ) : array {
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$blocks = array_filter(
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$this->get_all_blocks_in_all_templates(),
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function ( $block ) use ( $block_name ) {
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return ( $block['blockName'] === $block_name );
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}
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);
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return $blocks;
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}
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/**
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* Get all blocks in all block templates
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*
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* It returns a flat list of all blocks, including innerBlocks.
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*
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* @return array
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*/
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public function get_all_blocks_in_all_templates() : array {
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/**
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* Short-circuits the process of getting all blocks of a template.
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*
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* Returning a non-null value will effectively short-circuit the function.
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*
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* @since 4.7.0
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* @hook ep_blocks_pre_all_blocks
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* @param {null} $meta_keys Blocks array
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* @return {null|array} Blocks array or `null` to keep default behavior
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*/
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$pre_all_blocks = apply_filters( 'ep_blocks_pre_all_blocks', null );
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if ( null !== $pre_all_blocks ) {
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return (array) $pre_all_blocks;
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}
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$cache = get_transient( self::CACHE_KEY );
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if ( is_array( $cache ) ) {
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return $cache;
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}
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$all_blocks = [];
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$template_types = [ 'wp_template', 'wp_template_part' ];
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foreach ( $template_types as $template_type ) {
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$block_templates = get_block_templates( [], $template_type );
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foreach ( $block_templates as $block_template ) {
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$template_blocks = parse_blocks( $block_template->content );
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foreach ( $template_blocks as $block ) {
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$all_blocks[] = [
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'blockName' => $block['blockName'],
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'attrs' => $block['attrs'],
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];
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$all_blocks = $this->recursively_get_inner_blocks( $all_blocks, $block );
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}
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}
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}
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set_transient( self::CACHE_KEY, $all_blocks, MONTH_IN_SECONDS );
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return $all_blocks;
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}
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/**
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* Get all inner blocks recursively
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*
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* @param array $all_blocks All blocks analyzed so far
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* @param array $block Block to be analyzed now
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* @return array
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*/
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protected function recursively_get_inner_blocks( array $all_blocks, array $block ) : array {
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if ( empty( $block['innerBlocks'] ) ) {
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return $all_blocks;
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}
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foreach ( $block['innerBlocks'] as $inner_block ) {
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$all_blocks[] = [
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'blockName' => $inner_block['blockName'],
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'attrs' => $inner_block['attrs'],
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];
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$all_blocks = $this->recursively_get_inner_blocks( $all_blocks, $inner_block );
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}
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return $all_blocks;
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}
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}
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