add wp-rocket

wp-content/plugins/wp-rocket/inc/Engine/HealthCheck/HealthCheck.php

@@ -0,0 +1,149 @@
+<?php
+
+namespace WP_Rocket\Engine\HealthCheck;
+
+use WP_Rocket\Admin\Options_Data;
+use WP_Rocket\Event_Management\Subscriber_Interface;
+
+class HealthCheck implements Subscriber_Interface {
+	/**
+	 * Instance of options.
+	 *
+	 * @var Options_Data
+	 */
+	private $options;
+
+	/**
+	 * Array of events with their descriptions.
+	 *
+	 * @var array
+	 */
+	private $events;
+
+	/**
+	 * Creates an instance of the health checker.
+	 *
+	 * @param Options_Data $options Options_Data instance.
+	 */
+	public function __construct( Options_Data $options ) {
+		$this->options = $options;
+		$this->events  = $this->get_events();
+	}
+
+	/**
+	 * Returns an array of events that this subscriber wants to listen to.
+	 *
+	 * @return array
+	 */
+	public static function get_subscribed_events() {
+		return [
+			'admin_notices' => 'missed_cron',
+		];
+	}
+
+	/**
+	 * Display a warning notice if WP Rocket scheduled events are not running properly.
+	 *
+	 * @since 3.5.4
+	 */
+	public function missed_cron() {
+		if ( ! $this->should_check() ) {
+			return;
+		}
+
+		$delay  = rocket_get_constant( 'DISABLE_WP_CRON' ) ? HOUR_IN_SECONDS : 5 * MINUTE_IN_SECONDS;
+		$list   = '';
+		$events = $this->events;
+
+		foreach ( $this->events as $event => $description ) {
+			$timestamp = wp_next_scheduled( $event );
+
+			if (
+				false === $timestamp
+				||
+				( $timestamp + $delay - time() ) > 0
+			) {
+				unset( $events[ $event ] );
+				continue;
+			}
+
+			$list .= "<li>{$description}</li>";
+		}
+
+		if ( empty( $events ) ) {
+			return;
+		}
+
+		$message = sprintf(
+			'<p>%1$s</p>
+			<ul>%2$s</ul>
+			<p>%3$s</p>',
+			_n(
+				'The following scheduled event failed to run. This may indicate the CRON system is not running properly, which can prevent some WP Rocket features from working as intended:',
+				'The following scheduled events failed to run. This may indicate the CRON system is not running properly, which can prevent some WP Rocket features from working as intended:',
+				count( $events ),
+				'rocket'
+			),
+			$list,
+			__( 'Please contact your host to check if CRON is working.', 'rocket' )
+		);
+
+		rocket_notice_html(
+			[
+				'status'         => 'warning',
+				'dismissible'    => '',
+				'message'        => $message,
+				'dismiss_button' => 'rocket_warning_cron',
+			]
+		);
+	}
+
+	/**
+	 * Checks if health check should run.
+	 *
+	 * @since 3.5.4
+	 *
+	 * @return bool true when should do health check; else, false.
+	 */
+	protected function should_check() {
+		if ( ! current_user_can( 'rocket_manage_options' ) ) {
+			return false;
+		}
+
+		if ( 'settings_page_wprocket' !== get_current_screen()->id ) {
+			return false;
+		}
+
+		$dismissed = (array) get_user_meta( get_current_user_id(), 'rocket_boxes', true );
+		if ( in_array( 'rocket_warning_cron', $dismissed, true ) ) {
+			return false;
+		}
+
+		return ! (
+			0 === (int) $this->options->get( 'purge_cron_interval', 0 )
+			&&
+			0 === (int) $this->options->get( 'async_css', 0 )
+			&&
+			0 === (int) $this->options->get( 'manual_preload', 0 )
+			&&
+			0 === (int) $this->options->get( 'schedule_automatic_cleanup', 0 )
+		);
+	}
+
+	/**
+	 * Gets an array of events with their descriptions.
+	 *
+	 * @since 3.5.4
+	 *
+	 * @return array array of events => descriptions.
+	 */
+	protected function get_events() {
+		return [
+			'rocket_purge_time_event'                      => __( 'Scheduled Cache Purge', 'rocket' ),
+			'rocket_database_optimization_time_event'      => __( 'Scheduled Database Optimization', 'rocket' ),
+			'rocket_database_optimization_cron_interval'   => __( 'Database Optimization Process', 'rocket' ),
+			'rocket_preload_cron_interval'                 => _x( 'Preload', 'noun', 'rocket' ),
+			'rocket_critical_css_generation_cron_interval' => __( 'Critical Path CSS Generation Process', 'rocket' ),
+		];
+	}
+}