263 lines
6.9 KiB
PHP
263 lines
6.9 KiB
PHP
<?php
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/**
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* File: DbCache_Plugin.php
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*
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* @package W3TC
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*
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* phpcs:disable PSR2.Classes.PropertyDeclaration.Underscore
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*/
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namespace W3TC;
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/**
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* W3 DbCache plugin
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*/
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class DbCache_Plugin {
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/**
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* Config.
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*
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* @var array
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*/
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private $_config = null;
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/**
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* Constructor.
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*/
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public function __construct() {
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$this->_config = Dispatcher::config();
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}
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/**
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* Runs plugin
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*/
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public function run() {
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// phpcs:ignore WordPress.WP.CronInterval.ChangeDetected
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add_filter( 'cron_schedules', array( $this, 'cron_schedules' ) );
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if ( 'file' === $this->_config->get_string( 'dbcache.engine' ) ) {
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add_action( 'w3_dbcache_cleanup', array( $this, 'cleanup' ) );
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}
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// Posts.
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add_action( 'publish_phone', array( $this, 'on_change' ), 0 );
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add_action( 'wp_trash_post', array( $this, 'on_post_change' ), 0 );
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add_action( 'save_post', array( $this, 'on_post_change' ), 0 );
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add_action( 'clean_post_cache', array( $this, 'on_post_change' ), 0, 2 );
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add_action( 'delete_post', array( $this, 'on_post_change' ), 0 );
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// Comments.
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add_action( 'comment_post', array( $this, 'on_comment_change' ), 0 );
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add_action( 'edit_comment', array( $this, 'on_comment_change' ), 0 );
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add_action( 'delete_comment', array( $this, 'on_comment_change' ), 0 );
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add_action( 'wp_set_comment_status', array( $this, 'on_comment_status' ), 0, 2 );
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add_action( 'trackback_post', array( $this, 'on_comment_change' ), 0 );
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add_action( 'pingback_post', array( $this, 'on_comment_change' ), 0 );
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// Theme.
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add_action( 'switch_theme', array( $this, 'on_change' ), 0 );
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// Profile.
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add_action( 'edit_user_profile_update', array( $this, 'on_change' ), 0 );
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if ( Util_Environment::is_wpmu() ) {
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add_action( 'wp_uninitialize_site', array( $this, 'on_change' ), 0 );
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add_action( 'wp_update_site', array( $this, 'on_change' ), 0 );
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}
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add_filter( 'w3tc_admin_bar_menu', array( $this, 'w3tc_admin_bar_menu' ) );
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// usage statistics handling.
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add_filter( 'w3tc_usage_statistics_metrics', array( $this, 'w3tc_usage_statistics_metrics' ) );
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add_filter( 'w3tc_usage_statistics_sources', array( $this, 'w3tc_usage_statistics_sources' ) );
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}
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/**
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* Does disk cache cleanup
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*
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* @return void
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*/
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public function cleanup() {
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$w3_cache_file_cleaner = new Cache_File_Cleaner(
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array(
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'cache_dir' => Util_Environment::cache_blog_dir( 'db' ),
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'clean_timelimit' => $this->_config->get_integer( 'timelimit.cache_gc' ),
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)
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);
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$w3_cache_file_cleaner->clean();
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}
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/**
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* Cron schedules filter
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*
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* @param array $schedules Schedules.
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*
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* @return array
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*/
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public function cron_schedules( $schedules ) {
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$gc = $this->_config->get_integer( 'dbcache.file.gc' );
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return array_merge(
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$schedules,
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array(
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'w3_dbcache_cleanup' => array(
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'interval' => $gc,
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'display' => sprintf(
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// translators: 1 interval in seconds.
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__( '[W3TC] Database Cache file GC (every %d seconds)', 'w3-total-cache' ),
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$gc
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),
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),
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)
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);
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}
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/**
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* Change action
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*/
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public function on_change() {
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static $flushed = false;
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if ( ! $flushed ) {
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$flusher = Dispatcher::component( 'CacheFlush' );
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$flusher->dbcache_flush();
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$flushed = true;
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}
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}
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/**
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* Change post action
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*
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* @param int $post_id Post ID.
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* @param mixed $post Post.
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*/
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public function on_post_change( $post_id = 0, $post = null ) {
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static $flushed = false;
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if ( ! $flushed ) {
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if ( is_null( $post ) ) {
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$post = $post_id;
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}
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if ( $post_id > 0 && ! Util_Environment::is_flushable_post( $post, 'dbcache', $this->_config ) ) {
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return;
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}
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$flusher = Dispatcher::component( 'CacheFlush' );
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$flusher->dbcache_flush();
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$flushed = true;
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}
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}
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/**
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* Comment change action
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*
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* @param integer $comment_id Comment ID.
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*/
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public function on_comment_change( $comment_id ) {
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$post_id = 0;
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if ( $comment_id ) {
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$comment = get_comment( $comment_id, ARRAY_A );
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$post_id = ! empty( $comment['comment_post_ID'] ) ? (int) $comment['comment_post_ID'] : 0;
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}
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$this->on_post_change( $post_id );
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}
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/**
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* Comment status action fired immediately after transitioning a comment’s status from one to another
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* in the database and removing the comment from the database cache, but prior to all status transition hooks.
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*
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* @link https://developer.wordpress.org/reference/functions/wp_set_comment_status/
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*
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* @param integer $comment_id Comment ID.
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* @param string $status Status.
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*/
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public function on_comment_status( $comment_id, $status ) {
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$this->on_comment_change( $comment_id );
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}
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/**
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* Setup admin menu elements
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*
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* @param array $menu_items Menu items.
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*/
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public function w3tc_admin_bar_menu( $menu_items ) {
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$menu_items['20310.dbcache'] = array(
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'id' => 'w3tc_flush_dbcache',
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'parent' => 'w3tc_flush',
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'title' => __( 'Database', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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admin_url( 'admin.php?page=w3tc_dashboard&w3tc_flush_dbcache' ),
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'w3tc'
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),
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);
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return $menu_items;
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}
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/**
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* Usage statistics of request filter
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*
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* @param object $storage Storage object.
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*/
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public function w3tc_usage_statistics_of_request( $storage ) {
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$o = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' );
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$o->w3tc_usage_statistics_of_request( $storage );
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}
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/**
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* Retrive usage statistics metrics
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*
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* @param array $metrics Metrics.
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*/
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public function w3tc_usage_statistics_metrics( $metrics ) {
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return array_merge(
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$metrics,
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array(
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'dbcache_calls_total',
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'dbcache_calls_hits',
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'dbcache_flushes',
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'dbcache_time_ms',
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)
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);
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}
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/**
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* Usage Statisitcs sources filter.
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*
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* @param array $sources Sources.
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*
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* @return array
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*/
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public function w3tc_usage_statistics_sources( $sources ) {
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$c = Dispatcher::config();
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if ( 'apc' === $c->get_string( 'dbcache.engine' ) ) {
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$sources['apc_servers']['dbcache'] = array(
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'name' => __( 'Database Cache', 'w3-total-cache' ),
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);
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} elseif ( 'memcached' === $c->get_string( 'dbcache.engine' ) ) {
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$sources['memcached_servers']['dbcache'] = array(
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'servers' => $c->get_array( 'dbcache.memcached.servers' ),
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'username' => $c->get_string( 'dbcache.memcached.username' ),
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'password' => $c->get_string( 'dbcache.memcached.password' ),
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'name' => __( 'Database Cache', 'w3-total-cache' ),
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);
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} elseif ( 'redis' === $c->get_string( 'dbcache.engine' ) ) {
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$sources['redis_servers']['dbcache'] = array(
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'servers' => $c->get_array( 'dbcache.redis.servers' ),
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'verify_tls_certificates' => $c->get_boolean( 'dbcache.redis.verify_tls_certificates' ),
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'username' => $c->get_boolean( 'dbcache.redis.username' ),
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'dbid' => $c->get_integer( 'dbcache.redis.dbid' ),
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'password' => $c->get_string( 'dbcache.redis.password' ),
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'name' => __( 'Database Cache', 'w3-total-cache' ),
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);
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}
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return $sources;
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}
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}
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