add wp-rocket

wp-content/plugins/wp-rocket/inc/Engine/CriticalPath/CriticalCSSGeneration.php

@@ -0,0 +1,94 @@
+<?php
+
+namespace WP_Rocket\Engine\CriticalPath;
+
+use WP_Rocket_WP_Background_Process;
+
+/**
+ * Extends the background process class for the critical CSS generation process.
+ *
+ * @since 2.11
+ *
+ * @see WP_Background_Process
+ */
+class CriticalCSSGeneration extends WP_Rocket_WP_Background_Process {
+	use TransientTrait;
+
+	/**
+	 * Process prefix.
+	 *
+	 * @var string
+	 */
+	protected $prefix = 'rocket';
+
+	/**
+	 * Specific action identifier for sitemap preload.
+	 *
+	 * @var string Action identifier
+	 */
+	protected $action = 'critical_css_generation';
+
+	/**
+	 * ProcessorService instance.
+	 *
+	 * @var ProcessorService
+	 */
+	protected $processor;
+
+	/**
+	 * Instantiate the class
+	 *
+	 * @param ProcessorService $processor ProcessorService instance.
+	 */
+	public function __construct( ProcessorService $processor ) {
+		parent::__construct();
+
+		$this->processor = $processor;
+	}
+
+	/**
+	 * Perform the optimization corresponding to $item.
+	 *
+	 * @since 2.11
+	 *
+	 * @param mixed $item Queue item to iterate over.
+	 *
+	 * @return bool false if task performed successfully, true otherwise to re-queue the item.
+	 */
+	protected function task( $item ) {
+		if ( ! is_array( $item ) ) {
+			return false;
+		}
+
+		$transient = get_transient( 'rocket_critical_css_generation_process_running' );
+		$mobile    = isset( $item['mobile'] ) ? $item['mobile'] : 0;
+
+		$generation_params = [
+			'is_mobile' => $mobile,
+			'item_type' => $item['type'],
+		];
+		$generated         = $this->processor->process_generate( $item['url'], $item['path'], $generation_params );
+
+		if ( is_wp_error( $generated ) ) {
+			$this->update_running_transient( $transient, $item['path'], $mobile, $generated->get_error_message(), false );
+			return false;
+		}
+
+		if ( isset( $generated['code'] ) && 'cpcss_generation_pending' === $generated['code'] ) {
+			$pending = get_transient( 'rocket_cpcss_generation_pending' );
+
+			if ( false === $pending ) {
+				$pending = [];
+			}
+
+			$pending[ $item['path'] ] = $item;
+
+			set_transient( 'rocket_cpcss_generation_pending', $pending, HOUR_IN_SECONDS );
+
+			return false;
+		}
+
+		$this->update_running_transient( $transient, $item['path'], $mobile, $generated['message'], ( 'cpcss_generation_successful' === $generated['code'] ) );
+		return false;
+	}
+}