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<?php /** * Smush directory smush scanner: DScanner class * * @package Smush\Core\Modules\Helpers * @since 2.8.1 * * @author Anton Vanyukov <anton@incsub.com> * * @copyright (c) 2018, Incsub (http://incsub.com) / namespace Smush\Core\Modules\Helpers; use WP_Smush; if ( ! defined( 'ABSPATH' ) ) { exit; } /* * Class DScanner * * @since 2.8.1 / class DScanner { /* * Indicates if a scan is in process * * @var bool / private $is_scanning = false; /* * Indicates the current step being scanned * * @var int / private $current_step = 0; /* * Options names / private static $is_scanning_slug = 'wp-smush-files-scanning'; private static $current_step_option_id = 'wp-smush-scan-step'; /* * Refresh status variables. / private function refresh_status() { $this->is_scanning = get_transient( self::$is_scanning_slug ); $this->current_step = (int) get_option( self::$current_step_option_id ); } /* * Initializes the scan. / public function init_scan() { set_transient( self::$is_scanning_slug, true, 60 5 ); // 5 minutes max update_option( self::$current_step_option_id, 0 ); $this->refresh_status(); } /** * Reset the scan as if it weren't being executed (on finish and cancel). / public function reset_scan() { delete_transient( self::$is_scanning_slug ); delete_option( self::$current_step_option_id ); $this->refresh_status(); } /* * Update the current step being scanned. * * @param int $step Current scan step. / public function update_current_step( $step ) { update_option( self::$current_step_option_id, absint( $step ) ); $this->refresh_status(); } /* * Get the current scan step being scanned. * * @return mixed / public function get_current_scan_step() { $this->refresh_status(); return $this->current_step; } /* * Return the number of total steps to finish the scan. * * @return int / public function get_scan_steps() { return count( WP_Smush::get_instance()->core()->mod->dir->get_scanned_images() ); } /* * Check if a scanning is in process * * @return bool */ public function is_scanning() { $this->refresh_status(); return $this->is_scanning; } }

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