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

component-styles.php in Elementor Website Builder – more than just a page builder 4.3.0-beta2, 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	use Elementor\Modules\Components\PropTypes\Component_Instance_Prop_Type;
10
11	/**
12	* Component styles fetching for render
13	*/
14	class Component_Styles {
15	const CACHE_ROOT_KEY = 'component-styles-related-posts';
16
17	public function register_hooks() {
18	add_action( 'elementor/post/render', fn( $post_id ) => $this->render_post( $post_id ) );
19
20	add_action( 'elementor/document/after_save', fn( Document $document ) => $this->invalidate_cache(
21	[ $document->get_main_post()->ID ]
22	), 20, 2 );
23
24	add_action(
25	'elementor/core/files/clear_cache',
26	fn() => $this->invalidate_cache(),
27	);
28
29	add_filter(
30	'elementor/document/related_posts',
31	fn( array $related, $post_id ) => $this->get_related_posts( $related, $post_id ),
32	10,
33	2
34	);
35	}
36
37	private function render_post( string $post_id ) {
38	$component_ids = $this->get_component_ids_from_post_cached( $post_id );
39
40	$this->declare_components_rendered( $component_ids );
41	}
42
43	/**
44	* Handler for the `elementor/document/related_posts` filter.
45	*
46	* @param int[] $related Accumulated ids from previous filter handlers.
47	* @param string\|int $post_id Parent post id being inspected.
48	* @return int[] Merged list of related post ids.
49	*/
50	private function get_related_posts( array $related, $post_id ): array {
51	$component_ids = $this->get_component_ids_from_post_cached( (string) $post_id );
52
53	return array_values( array_unique( array_merge( $related, array_map( 'intval', $component_ids ) ) ) );
54	}
55
56	/**
57	* Returns the component ids embedded in $post_id, reading from the
58	* traversal cache when available and writing to it otherwise.
59	*
60	* Both the render-action listener and the `elementor/document/related_posts`
61	* filter handler delegate here so the traversal logic lives in one place.
62	*/
63	private function get_component_ids_from_post_cached( string $post_id ): array {
64	$cache_validity = new Cache_Validity();
65
66	if ( $cache_validity->is_valid( [ self::CACHE_ROOT_KEY, $post_id ] ) ) {
67	return (array) $cache_validity->get_meta( [ self::CACHE_ROOT_KEY, $post_id ] );
68	}
69
70	$components = $this->get_components_from_post( $post_id );
71	$component_ids = Collection::make( $components )
72	->map( fn( $component ) => Component_Instance_Prop_Type::extract_component_id( $component['settings'] ?? [] ) )
73	->filter( fn( $component_id ) => null !== $component_id )
74	->unique()
75	->all();
76
77	$cache_validity->validate( [ self::CACHE_ROOT_KEY, $post_id ], $component_ids );
78
79	return $component_ids;
80	}
81
82	private function declare_components_rendered( array $post_ids ) {
83	foreach ( $post_ids as $post_id ) {
84	do_action( 'elementor/post/render', $post_id );
85	}
86	}
87
88	private function get_components_from_post( string $post_id ): array {
89	$components = [];
90
91	Utils::traverse_post_elements( $post_id, function( $element_data ) use ( &$components ) {
92	if ( isset( $element_data['widgetType'] ) && 'e-component' === $element_data['widgetType'] ) {
93	$components[] = $element_data;
94	}
95	} );
96
97	return $components;
98	}
99
100	private function invalidate_cache( ?array $post_ids = null ) {
101	$cache_validity = new Cache_Validity();
102
103	if ( empty( $post_ids ) ) {
104	$cache_validity->invalidate( [ self::CACHE_ROOT_KEY ] );
105
106	return;
107	}
108
109	foreach ( $post_ids as $post_id ) {
110	$cache_validity->invalidate( [ self::CACHE_ROOT_KEY, $post_id ] );
111	}
112	}
113	}
114