elementor / modules / components / styles / component-styles.php

component-styles.php in Elementor Website Builder – more than just a page builder 4.2.0, at modules/components/styles/component-styles.php

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1	<?php
2
3	namespace Elementor\Modules\Components\Styles;
4
5	use Elementor\Core\Base\Document;
6	use Elementor\Core\Utils\Collection;
7	use Elementor\Modules\AtomicWidgets\Styles\CacheValidity\Cache_Validity;
8	use Elementor\Modules\AtomicWidgets\Utils\Utils;
9
10	/**
11	* Component styles fetching for render
12	*/
13	class Component_Styles {
14	const CACHE_ROOT_KEY = 'component-styles-related-posts';
15
16	public function register_hooks() {
17	add_action( 'elementor/post/render', fn( $post_id ) => $this->render_post( $post_id ) );
18
19	add_action( 'elementor/document/after_save', fn( Document $document ) => $this->invalidate_cache(
20	[ $document->get_main_post()->ID ]
21	), 20, 2 );
22
23	add_action(
24	'elementor/core/files/clear_cache',
25	fn() => $this->invalidate_cache(),
26	);
27
28	add_filter(
29	'elementor/document/related_posts',
30	fn( array $related, $post_id ) => $this->get_related_posts( $related, $post_id ),
31	10,
32	2
33	);
34	}
35
36	private function render_post( string $post_id ) {
37	$component_ids = $this->get_component_ids_from_post_cached( $post_id );
38
39	$this->declare_components_rendered( $component_ids );
40	}
41
42	/**
43	* Handler for the `elementor/document/related_posts` filter.
44	*
45	* @param int[] $related Accumulated ids from previous filter handlers.
46	* @param string\|int $post_id Parent post id being inspected.
47	* @return int[] Merged list of related post ids.
48	*/
49	private function get_related_posts( array $related, $post_id ): array {
50	$component_ids = $this->get_component_ids_from_post_cached( (string) $post_id );
51
52	return array_values( array_unique( array_merge( $related, array_map( 'intval', $component_ids ) ) ) );
53	}
54
55	/**
56	* Returns the component ids embedded in $post_id, reading from the
57	* traversal cache when available and writing to it otherwise.
58	*
59	* Both the render-action listener and the `elementor/document/related_posts`
60	* filter handler delegate here so the traversal logic lives in one place.
61	*/
62	private function get_component_ids_from_post_cached( string $post_id ): array {
63	$cache_validity = new Cache_Validity();
64
65	if ( $cache_validity->is_valid( [ self::CACHE_ROOT_KEY, $post_id ] ) ) {
66	return (array) $cache_validity->get_meta( [ self::CACHE_ROOT_KEY, $post_id ] );
67	}
68
69	$components = $this->get_components_from_post( $post_id );
70	$component_ids = Collection::make( $components )
71	->filter( fn( $component ) => isset( $component['settings']['component_instance']['value']['component_id']['value'] ) )
72	->map( fn( $component ) => $component['settings']['component_instance']['value']['component_id']['value'] )
73	->unique()
74	->all();
75
76	$cache_validity->validate( [ self::CACHE_ROOT_KEY, $post_id ], $component_ids );
77
78	return $component_ids;
79	}
80
81	private function declare_components_rendered( array $post_ids ) {
82	foreach ( $post_ids as $post_id ) {
83	do_action( 'elementor/post/render', $post_id );
84	}
85	}
86
87	private function get_components_from_post( string $post_id ): array {
88	$components = [];
89
90	Utils::traverse_post_elements( $post_id, function( $element_data ) use ( &$components ) {
91	if ( isset( $element_data['widgetType'] ) && 'e-component' === $element_data['widgetType'] ) {
92	$components[] = $element_data;
93	}
94	} );
95
96	return $components;
97	}
98
99	private function invalidate_cache( ?array $post_ids = null ) {
100	$cache_validity = new Cache_Validity();
101
102	if ( empty( $post_ids ) ) {
103	$cache_validity->invalidate( [ self::CACHE_ROOT_KEY ] );
104
105	return;
106	}
107
108	foreach ( $post_ids as $post_id ) {
109	$cache_validity->invalidate( [ self::CACHE_ROOT_KEY, $post_id ] );
110	}
111	}
112	}
113