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<?php
namespace WP_Rocket\Engine\Optimization\RUCSS\Jobs;
use WP_Rocket\Logger\LoggerAware;
use WP_Rocket\Logger\LoggerAwareInterface;
use WP_Rocket\Engine\Optimization\RUCSS\Database\Queries\UsedCSS as UsedCSS_Query;
use WP_Rocket\Engine\Optimization\RUCSS\Controller\Filesystem;
use WP_Rocket\Engine\Common\Context\ContextInterface;
use WP_Rocket\Engine\Optimization\CSSTrait;
use WP_Rocket\Admin\Options_Data;
use WP_Rocket\Engine\Common\JobManager\Managers\AbstractManager;
use WP_Rocket\Engine\Common\JobManager\Managers\ManagerInterface;
class Manager implements ManagerInterface, LoggerAwareInterface {
use LoggerAware;
use CSSTrait;
use AbstractManager;
/**
* UsedCss Query instance.
*
* @var UsedCSS_Query
*/
protected $query;
/**
* Filesystem instance
*
* @var Filesystem
*/
private $filesystem;
/**
* RUCSS Context.
*
* @var ContextInterface
*/
protected $context;
/**
* The type of optimization applied for the current job.
*
* @var string
*/
protected $optimization_type = 'rucss';
/**
* Check if manager can process.
*
* @var boolean
*/
protected $can_process = true;
/**
* Plugin options instance.
*
* @var Options_Data
*/
protected $options;
/**
* Instantiate the class.
*
* @param UsedCSS_Query $query Usedcss Query instance.
* @param Filesystem $filesystem Filesystem instance.
* @param ContextInterface $context RUCSS Context.
* @param Options_Data $options Options instance.
*/
public function __construct(
UsedCSS_Query $query,
Filesystem $filesystem,
ContextInterface $context,
Options_Data $options
) {
$this->query = $query;
$this->filesystem = $filesystem;
$this->context = $context;
$this->options = $options;
}
/**
* Get pending jobs from db.
*
* @param integer $num_rows Number of rows to grab.
* @return array
*/
public function get_pending_jobs( int $num_rows ): array {
$this->logger::debug( "RUCSS: Start getting number of {$num_rows} pending jobs." );
$pending_jobs = $this->query->get_pending_jobs( $num_rows );
if ( ! $pending_jobs ) {
$this->logger::debug( 'RUCSS: No pending jobs are there.' );
return [];
}
return $pending_jobs;
}
/**
* Validate SaaS response and fail job.
*
* @param array $job_details Details related to the job..
* @param object $row_details Details related to the row.
* @param string $optimization_type The type of optimization applied for the current job.
*
* @return void
*/
public function validate_and_fail( array $job_details, $row_details, string $optimization_type ): void {
if ( 'all' !== $optimization_type || $this->optimization_type !== $optimization_type ) {
return;
}
/**
* Filters the rocket min rucss css result size.
*
* @since 3.13.3
*
* @param int $min_rucss_size min size.
*/
$min_rucss_size = apply_filters( 'rocket_min_rucss_size', 150 );
if ( ! is_numeric( $min_rucss_size ) ) {
$min_rucss_size = 150;
}
if ( isset( $job_details['contents']['shakedCSS_size'] ) && intval( $job_details['contents']['shakedCSS_size'] ) < $min_rucss_size ) {
$message = 'RUCSS: shakedCSS size is less than ' . $min_rucss_size;
$this->logger::error( $message );
$this->make_status_failed( $row_details->url, $row_details->is_mobile, '500', $message );
$this->can_process = false;
}
}
/**
* Process SaaS response.
*
* @param array $job_details Details related to the job..
* @param object $row_details Details related to the row.
* @param string $optimization_type The type of optimization applied for the current job.
*
* @return void
*/
public function process( array $job_details, $row_details, string $optimization_type ): void {
if ( ! $this->is_allowed( $optimization_type ) || ! $this->can_process ) {
return;
}
$css = $this->apply_font_display_swap( $job_details['contents']['shakedCSS'] );
/**
* RUCSS hash.
*
* @param string $hash RUCSS hash.
* @param string $css RUCSS content.
* @param UsedCSSRow $row_details Job details.
*/
$hash = (string) apply_filters( 'rocket_rucss_hash', md5( $css ), $css, $row_details );
if ( ! $this->filesystem->write_used_css( $hash, $css ) ) {
$message = 'RUCSS: Could not write used CSS to the filesystem: ' . $row_details->url;
$this->logger::error( $message );
$this->query->make_status_failed( $row_details->url, $row_details->is_mobile, '', $job_details['message'] );
return;
}
// Everything is fine, save the usedcss into DB, change status to completed and reset queue_name and job_id.
$this->logger::debug( 'RUCSS: Save used CSS for url: ' . $row_details->url );
$this->query->make_status_completed( $row_details->url, $row_details->is_mobile, $hash );
}
/**
* Set the request parameter to be sent to the SaaS
*
* @return array
*/
public function set_request_param(): array {
/**
* Filters the RUCSS safelist
*
* @since 3.11
*
* @param array $safelist Array of safelist values.
*/
$safelist = apply_filters( 'rocket_rucss_safelist', $this->options->get( 'remove_unused_css_safelist', [] ) );
/**
* Filters the styles attributes to be skipped (blocked) by RUCSS.
*
* @since 3.14
*
* @param array $skipped_attr Array of safelist values.
*/
$skipped_attr = apply_filters( 'rocket_rucss_skip_styles_with_attr', [] );
$skipped_attr = ( is_array( $skipped_attr ) ) ? $skipped_attr : [];
return [
'rucss_safelist' => $safelist,
'skip_attr' => $skipped_attr,
'optimization_list' => [
'rucss',
],
];
}
/**
* Get the optimization type from the DB Row.
*
* @param object $row DB Row Object.
* @return boolean|string
*/
public function get_optimization_type_from_row( $row ) {
if ( ! isset( $row->css ) ) {
return false;
}
return $this->optimization_type;
}
}
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