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<?php
namespace Imagify\Stats;
defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
/**
* Class to get and cache the number of optimized media without webp versions.
*
* @since 1.9
* @author Grégory Viguier
*/
class OptimizedMediaWithoutWebp implements StatInterface {
use \Imagify\Traits\InstanceGetterTrait;
/**
* Name of the transient storing the cached result.
*
* @var string
* @since 1.9
* @access protected
* @author Grégory Viguier
*/
const NAME = 'imagify_stat_without_webp';
/**
* Launch hooks.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*/
public function init() {
add_action( 'imagify_after_optimize', [ $this, 'maybe_clear_cache_after_optimization' ], 10, 2 );
add_action( 'imagify_after_restore_media', [ $this, 'maybe_clear_cache_after_restoration' ], 10, 4 );
add_action( 'imagify_delete_media', [ $this, 'maybe_clear_cache_on_deletion' ] );
}
/** ----------------------------------------------------------------------------------------- */
/** GET/CACHE THE STAT ====================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Get the number of optimized media without webp versions.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @return int
*/
public function get_stat() {
$ajax_post = \Imagify_Admin_Ajax_Post::get_instance();
$stat = 0;
// Sum the counts of each context.
foreach ( imagify_get_context_names() as $context ) {
$stat += $ajax_post->get_bulk_instance( $context )->has_optimized_media_without_webp();
}
return $stat;
}
/**
* Get and cache the number of optimized media without webp versions.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @return int
*/
public function get_cached_stat() {
$contexts = implode( '|', imagify_get_context_names() );
$stat = get_transient( static::NAME );
if ( isset( $stat['stat'], $stat['contexts'] ) && $stat['contexts'] === $contexts ) {
// The number is stored and the contexts are the same.
return (int) $stat['stat'];
}
$stat = [
'contexts' => $contexts,
'stat' => $this->get_stat(),
];
set_transient( static::NAME, $stat, 2 * DAY_IN_SECONDS );
return $stat['stat'];
}
/**
* Clear the stat cache.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*/
public function clear_cache() {
delete_transient( static::NAME );
}
/** ----------------------------------------------------------------------------------------- */
/** HOOKS =================================================================================== */
/** ----------------------------------------------------------------------------------------- */
/**
* Clear cache after optimizing a media.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @param ProcessInterface $process The optimization process.
* @param array $item The item being processed.
*/
public function maybe_clear_cache_after_optimization( $process, $item ) {
if ( ! $process->get_media()->is_image() || false === get_transient( static::NAME ) ) {
return;
}
$sizes = $process->get_data()->get_optimization_data();
$sizes = isset( $sizes['sizes'] ) ? (array) $sizes['sizes'] : [];
$new_sizes = array_flip( $item['sizes_done'] );
$new_sizes = array_intersect_key( $sizes, $new_sizes );
$size_name = 'full' . $process::WEBP_SUFFIX;
if ( ! isset( $new_sizes['full'] ) && ! empty( $new_sizes[ $size_name ]['success'] ) ) {
/**
* We just successfully generated the webp version of the full size.
* The full size was not optimized at the same time, that means it was optimized previously.
* Meaning: we just added a webp version to a media that was previously optimized, so there is one less optimized media without webp.
*/
$this->clear_cache();
return;
}
if ( ! empty( $new_sizes['full']['success'] ) && empty( $new_sizes[ $size_name ]['success'] ) ) {
/**
* We now have a new optimized media without webp.
*/
$this->clear_cache();
}
}
/**
* Clear cache after restoring a media.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @param ProcessInterface $process The optimization process.
* @param bool|WP_Error $response The result of the operation: true on success, a WP_Error object on failure.
* @param array $files The list of files, before restoring them.
* @param array $data The optimization data, before deleting it.
*/
public function maybe_clear_cache_after_restoration( $process, $response, $files, $data ) {
if ( ! $process->get_media()->is_image() || false === get_transient( static::NAME ) ) {
return;
}
$sizes = isset( $data['sizes'] ) ? (array) $data['sizes'] : [];
$size_name = 'full' . $process::WEBP_SUFFIX;
if ( ! empty( $sizes['full']['success'] ) && empty( $sizes[ $size_name ]['success'] ) ) {
/**
* This media had no webp versions.
*/
$this->clear_cache();
}
}
/**
* Clear cache on media deletion.
*
* @since 1.9
* @access public
* @author Grégory Viguier
*
* @param ProcessInterface $process An optimization process.
*/
public function maybe_clear_cache_on_deletion( $process ) {
if ( false === get_transient( static::NAME ) ) {
return;
}
$data = $process->get_data()->get_optimization_data();
$sizes = isset( $data['sizes'] ) ? (array) $data['sizes'] : [];
$size_name = 'full' . $process::WEBP_SUFFIX;
if ( ! empty( $sizes['full']['success'] ) && empty( $sizes[ $size_name ]['success'] ) ) {
/**
* This media had no webp versions.
*/
$this->clear_cache();
}
}
}
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