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<?php
namespace WP_Rocket\Engine\CriticalPath;
use WP_Error;
use WP_Filesystem_Direct;
use WP_Rocket\Engine\Optimization\CSSTrait;
/**
* Class DataManager
*
* @package WP_Rocket\Engine\CriticalPath
*/
class DataManager {
use CSSTrait;
/**
* Base critical CSS path for posts.
*
* @var string
*/
private $critical_css_path;
/**
* Instance of the filesystem handler.
*
* @var WP_Filesystem_Direct
*/
private $filesystem;
/**
* DataManager constructor, adjust the critical css path for posts.
*
* @param string $critical_css_path path for main critical css folder.
* @param WP_Filesystem_Direct $filesystem Instance of the filesystem handler.
*/
public function __construct( $critical_css_path, $filesystem ) {
$this->critical_css_path = $critical_css_path . get_current_blog_id() . DIRECTORY_SEPARATOR;
$this->filesystem = $filesystem;
}
/**
* Save CPCSS into file.
*
* @since 3.6
*
* @param string $path Path for cpcss file related to this web page.
* @param string $cpcss CPCSS code to be saved.
* @param string $url URL for item to be used in error messages.
* @param bool $is_mobile If this is cpcss for mobile or not.
* @param string $item_type Optional. Type for this item if it's custom or specific type. Default: custom.
*
* @return bool|WP_Error
*/
public function save_cpcss( $path, $cpcss, $url, $is_mobile = false, $item_type = 'custom' ) {
$file_path_directory = dirname( $this->critical_css_path . $path );
if ( ! $this->filesystem->is_dir( $file_path_directory ) ) {
if ( ! rocket_mkdir_p( $file_path_directory ) ) {
return new WP_Error(
'cpcss_generation_failed',
// translators: %s = item URL.
sprintf(
$is_mobile
?
// translators: %s = item URL.
__( 'Critical CSS for %1$s on mobile not generated. Error: The destination folder could not be created.', 'rocket' )
:
// translators: %s = item URL.
__( 'Critical CSS for %1$s not generated. Error: The destination folder could not be created.', 'rocket' ),
( 'custom' === $item_type ) ? $url : $item_type
),
[
'status' => 400,
]
);
}
}
$cpcss = $this->apply_font_display_swap( $cpcss );
return rocket_put_content(
$this->critical_css_path . $path,
wp_strip_all_tags( $cpcss, true )
);
}
/**
* Delete critical css file by path.
*
* @param string $path Critical css file path to be deleted.
* @param bool $is_mobile If this is cpcss for mobile or not.
*
* @return bool|WP_Error
*/
public function delete_cpcss( $path, $is_mobile = false ) {
$full_path = $this->critical_css_path . $path;
if ( ! $this->filesystem->exists( $full_path ) ) {
return new WP_Error(
'cpcss_not_exists',
$is_mobile
?
__( 'Critical CSS file for mobile does not exist', 'rocket' )
:
__( 'Critical CSS file does not exist', 'rocket' ),
[
'status' => 400,
]
);
}
if ( ! $this->filesystem->delete( $full_path ) ) {
return new WP_Error(
'cpcss_deleted_failed',
$is_mobile
?
__( 'Critical CSS file for mobile cannot be deleted', 'rocket' )
:
__( 'Critical CSS file cannot be deleted', 'rocket' ),
[
'status' => 400,
]
);
}
return true;
}
/**
* Get job_id from cache based on item_url.
*
* @since 3.6
*
* @param string $item_url URL for item to be used in error messages.
* @param bool $is_mobile Bool identifier for is_mobile CPCSS generation.
*
* @return mixed
*/
public function get_cache_job_id( $item_url, $is_mobile = false ) {
$cache_key = $this->get_cache_key_from_url( $item_url, $is_mobile );
return get_transient( $cache_key );
}
/**
* Set Job_id for Item_url into cache.
*
* @since 3.6
*
* @param string $item_url URL for item to be used in error messages.
* @param string $job_id ID for the job to get details.
* @param bool $is_mobile Bool identifier for is_mobile CPCSS generation.
*
* @return bool
*/
public function set_cache_job_id( $item_url, $job_id, $is_mobile = false ) {
$cache_key = $this->get_cache_key_from_url( $item_url, $is_mobile );
return set_transient( $cache_key, $job_id, HOUR_IN_SECONDS );
}
/**
* Delete job_id from cache based on item_url.
*
* @since 3.6
*
* @param string $item_url URL for item to be used in error messages.
* @param bool $is_mobile Bool identifier for is_mobile CPCSS generation.
*
* @return bool
*/
public function delete_cache_job_id( $item_url, $is_mobile = false ) {
$cache_key = $this->get_cache_key_from_url( $item_url, $is_mobile );
return delete_transient( $cache_key );
}
/**
* Get cache key from url to be used in caching job_id.
*
* @since 3.6
*
* @param string $item_url URL for item to be used in error messages.
* @param bool $is_mobile Bool identifier for is_mobile CPCSS generation.
*
* @return string
*/
private function get_cache_key_from_url( $item_url, $is_mobile = false ) {
$encoded_url = md5( $item_url );
if ( $is_mobile ) {
$encoded_url .= '_mobile';
}
return 'rocket_specific_cpcss_job_' . $encoded_url;
}
}
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