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<?php
namespace ImageOptimization\Modules\Backups\Classes;
use ImageOptimization\Classes\Async_Operation\{
Async_Operation,
Async_Operation_Hook,
Async_Operation_Queue,
};
use ImageOptimization\Classes\Image\{
Image_Meta,
Image_Query_Builder,
Image_Status
};
use Throwable;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
class Restore_Images {
private const CHUNK_SIZE = 100;
/**
* Schedules a single restoring operation.
*
* @param int $image_id
* @return void
* @throws Throwable
* @throws \ImageOptimization\Classes\Async_Operation\Exceptions\Async_Operation_Exception
*/
public static function schedule_single_restoring( int $image_id ): void {
$meta = new Image_Meta( $image_id );
try {
$meta
->set_status( Image_Status::RESTORING_IN_PROGRESS )
->save();
Async_Operation::create(
Async_Operation_Hook::RESTORE_SINGLE_IMAGE,
[ 'attachment_id' => $image_id ],
Async_Operation_Queue::RESTORE
);
} catch ( Throwable $t ) {
$meta
->set_status( Image_Status::RESTORING_FAILED )
->save();
throw $t;
}
}
/**
* Schedules restoring operations for all valid images with backups created.
*
* @param array $image_ids
*
* @return void
*/
public static function find_and_schedule_restoring( array $image_ids = [] ): void {
$query = ( new Image_Query_Builder() )
->return_images_only_with_backups();
if ( ! empty( $image_ids ) ) {
$query->set_image_ids( $image_ids );
}
$query = $query->execute();
$attachment_ids = $query->posts;
$chunks = array_chunk( $attachment_ids, self::CHUNK_SIZE );
foreach ( $chunks as $chunk ) {
try {
Async_Operation::create(
Async_Operation_Hook::RESTORE_MANY_IMAGES,
[ 'attachment_ids' => $chunk ],
Async_Operation_Queue::RESTORE
);
self::mark_chunk_as_in_progress( $chunk );
} catch ( Throwable $t ) {
self::fail_restoring_for_chunk( $chunk );
}
}
}
/**
* Updates chunk images optimization status to in-progress.
*
* @param int[] $chunk
* @return void
*/
private static function mark_chunk_as_in_progress( array $chunk ) {
foreach ( $chunk as $image_id ) {
( new Image_Meta( $image_id ) )
->set_status( Image_Status::RESTORING_IN_PROGRESS )
->save();
}
}
/**
* Updates chunk images optimization status to failed.
*
* @param int[] $chunk
* @return void
*/
private static function fail_restoring_for_chunk( array $chunk ) {
foreach ( $chunk as $image_id ) {
( new Image_Meta( $image_id ) )
->set_status( Image_Status::RESTORING_FAILED )
->save();
}
}
}