powered-cache / includes / class-powered-cache-advanced-cache.php

class-powered-cache-advanced-cache.php in Powered Cache – Caching and Optimization for WordPress – Easily Improve PageSpeed & Web Vitals Score 1.2.5, at includes/class-powered-cache-advanced-cache.php

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1	<?php
2	// Exit if accessed directly
3	if ( ! defined( 'ABSPATH' ) ) {
4	exit;
5	}
6
7	class Powered_Cache_Advanced_Cache {
8
9	/**
10	* Return an instance of the current class
11	*
12	* @since 1.0
13	* @return Powered_Cache_Advanced_Cache
14	*/
15	public static function factory() {
16
17	static $instance;
18
19	if ( ! $instance ) {
20	$instance = new self();
21	$instance->setup();
22	}
23
24	return $instance;
25	}
26
27	/**
28	* Setup hooks
29	*
30	* @since 1.0
31	*/
32	public function setup() {
33	add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu' ) );
34	add_action( 'admin_post_powered_cache_purge_page_cache', array( $this, 'purge_page_cache' ) );
35
36	add_action( 'pre_post_update', array( $this, 'purge_on_post_update' ), 10, 1 );
37	add_action( 'save_post', array( $this, 'purge_on_post_update' ), 10, 1 );
38	add_action( 'wp_trash_post', array( $this, 'purge_on_post_update' ), 10, 1 );
39	add_action( 'wp_set_comment_status', array( $this, 'purge_post_on_comment_status_change' ), 10, 2 );
40	add_action( 'set_comment_cookies', array( $this, 'set_comment_cookie' ), 10, 2 );
41	add_filter( 'powered_cache_post_related_urls', array( $this, 'powered_cache_post_related_urls' ) );
42	}
43
44	/**
45	* Add purge button on admin bar
46	* @since 1.0
47	* @param $wp_admin_bar
48	*/
49	public function admin_bar_menu( $wp_admin_bar ) {
50	$wp_admin_bar->add_menu( array(
51	'id' => 'advanced-cache-purge',
52	'title' => __( 'Purge Page Cache', 'powered-cache' ),
53	'href' => wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_purge_page_cache' ), 'powered_cache_purge_page_cache' ),
54	'parent' => 'powered-cache',
55	) );
56	}
57
58
59	/**
60	* Purge page cache directory
61	*
62	* @since 1.0
63	* @since 1.1 clean site dir instead of root page caching dir
64	*/
65	public function purge_page_cache() {
66	if ( ! wp_verify_nonce( $_GET['_wpnonce'], 'powered_cache_purge_page_cache' ) ) {
67	wp_nonce_ays( '' );
68	}
69
70	powered_cache_clean_site_cache_dir();
71	Powered_Cache_Admin_Helper::set_flash_message( __( 'Page cache deleted successfully!', 'powered-cache' ) );
72
73	wp_safe_redirect( wp_get_referer() );
74	die();
75	}
76
77
78	/**
79	* Purge post related page cache
80	*
81	* @since 1.0
82	*
83	* @param $post_id
84	*/
85	public function purge_on_post_update( $post_id ) {
86	$current_post_status = get_post_status( $post_id );
87
88	$urls = array();
89
90	if ( in_array( $current_post_status, array( "publish", "trash" ) ) ) {
91	$urls = powered_cache_get_post_related_urls( $post_id );
92
93	$urls = apply_filters( 'powered_cache_advanced_cache_purge_urls', $urls, $post_id );
94
95	foreach ( $urls as $url ) {
96	powered_cache_delete_page_cache( $url );
97	}
98	}
99
100	do_action( 'powered_cache_advanced_cache_purge_post', $post_id, $urls );
101	}
102
103	/**
104	* Delete page cache when post update
105	*
106	* @since 1.0
107	*
108	* @param $comment_ID
109	* @param $comment_status
110	*/
111	public function purge_post_on_comment_status_change( $comment_ID, $comment_status ) {
112	$comment = get_comment( $comment_ID );
113	$post_id = $comment->comment_post_ID;
114	powered_cache_delete_page_cache( get_permalink( $post_id ) );
115	}
116
117	/**
118	* leave a cookie when comment a post as usual and don't show cached page.
119	*
120	* @since 1.0
121	*
122	* @param $comment
123	* @param $user
124	*/
125	public function set_comment_cookie( $comment, $user ) {
126	$post_id = $comment->comment_post_ID;
127	setcookie( 'powered_cache_commented_posts[' . $post_id . ']', parse_url( get_permalink( $post_id ), PHP_URL_PATH ), ( time() + HOUR_IN_SECONDS * 24 * 30 ) );
128	}
129
130
131	/**
132	* Adds custom pages to post related urls
133	*
134	* @since 1.1
135	*
136	* @param array $urls
137	*
138	* @return array urls
139	*/
140	public function powered_cache_post_related_urls( $urls ) {
141	$additional_pages = powered_cache_get_option( 'purge_additional_pages' );
142
143	if ( empty( $additional_pages ) ) {
144	return $urls;
145	}
146
147	// we only need relative path
148	$additional_pages = str_replace( site_url(), '', $additional_pages );
149	$additional_page_paths = explode( PHP_EOL, $additional_pages );
150	$additional_urls = array();
151
152	foreach ( $additional_page_paths as $page ) {
153	$additional_urls[] = site_url( $page );
154	}
155
156	$urls = array_merge( $urls, $additional_urls );
157
158	return $urls;
159	}
160
161	}