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<?php
/**
* Astra Addon Cache
*
* @package Astra
* @link https://www.brainstormforce.com
* @since Astra 2.1.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Astra_Cache
*/
// @codingStandardsIgnoreStart
class Astra_Cache extends Astra_Cache_Base {
// @codingStandardsIgnoreEnd
/**
* Member Variable
*
* @var array instance
*/
private static $dynamic_css_files = array();
/**
* Cache directory.
*
* @since 2.1.0
* @var String
*/
private $cache_dir;
/**
* Constructor
*
* @since 2.1.0
* @param String $cache_dir Base cache directory in the uploads directory.
*/
public function __construct( $cache_dir ) {
$this->cache_dir = $cache_dir;
$this->asset_priority = 2;
parent::__construct( $cache_dir );
// Triggers on click on refresh/ recheck button.
add_action( 'wp_ajax_astra_refresh_assets_files', array( $this, 'addon_refresh_assets' ) );
add_action( 'save_post', array( $this, 'astra_refresh_assets' ) );
add_action( 'post_updated', array( $this, 'astra_refresh_assets' ) );
add_action( 'customize_save', array( $this, 'astra_refresh_assets' ) );
}
/**
* Create an array of all the files that needs to be merged in dynamic CSS file.
*
* @since 2.1.0
* @param array $file file path.
* @return void
*/
public static function add_css_file( $file ) {
self::$dynamic_css_files[] = $file;
}
/**
* Get dynamic CSS
*
* @since 2.1.0
* @return String Dynamic CSS
*/
protected function get_dynamic_css() {
$theme_css_data = apply_filters( 'astra_dynamic_theme_css', '' ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
$theme_css_data .= $this->get_css_from_files( self::$dynamic_css_files );
return Astra_Enqueue_Scripts::trim_css( $theme_css_data );
}
/**
* Fetch theme CSS data to be added in the dynamic CSS file.
*
* @since 2.1.0
* @return void
*/
public function setup_cache() {
$allow_file_generation = get_option( '_astra_file_generation', 'disable' );
if ( 'enable' === $allow_file_generation && ! is_customize_preview() ) {
$assets_info = $this->get_asset_info( 'theme' );
if ( array_key_exists( 'path', $assets_info ) && ! file_exists( $assets_info['path'] ) && ! self::inline_assets() ) {
$theme_css_data = $this->get_dynamic_css();
// Return if there is no data to add in the css file.
if ( empty( $theme_css_data ) ) {
return;
}
$this->write_assets( $theme_css_data, 'theme' );
}
}
if ( true === Astra_Enqueue_Scripts::enqueue_theme_assets() ) {
// Call enqueue styles function.
$this->enqueue_styles( 'theme' );
}
}
/**
* Refresh Assets.
*
* @since 2.1.0
* @return void
*/
public function astra_refresh_assets() {
parent::refresh_assets( $this->cache_dir );
}
/**
* Refresh Assets, called through ajax
*
* @since 2.1.0
* @return void
*/
public function addon_refresh_assets() {
parent::ajax_refresh_assets( $this->cache_dir );
}
}
new Astra_Cache( 'astra' );