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✏️ Editing: trash.php

<?php

if (!defined('WPO_VERSION')) die('No direct access allowed');

/**
 * Class WP_Optimization_trash
 */
class WP_Optimization_trash extends WP_Optimization {

public $available_for_auto = true;

public $auto_default = true;

public $setting_default = true;

public $available_for_saving = true;
	
	public $ui_sort_order = 3010;

protected $setting_id = 'trash';

protected $auto_id = 'trash';

/**
	 * Prepare data for preview widget.
	 *
	 * @param array $params
	 *
	 * @return array
	 */
	public function preview($params) {

$retention_subquery = '';

if ('true' == $this->retention_enabled) {
			$retention_subquery = ' and post_modified < NOW() - INTERVAL ' . $this->retention_period . ' WEEK';
		}

// get data requested for preview.
		$sql = $this->wpdb->prepare(
			"SELECT `ID`, `post_title`, `post_date`".
			" FROM `" . $this->wpdb->posts . "`".
			" WHERE post_status = 'trash'".
			$retention_subquery.
			" ORDER BY `ID` LIMIT %d, %d;",
			array(
				$params['offset'],
				$params['limit'],
			)
		);

$posts = $this->wpdb->get_results($sql, ARRAY_A);

// fix empty revision titles.
		if (!empty($posts)) {
			foreach ($posts as $key => $post) {
				$args = array(
					'post_status' => 'trash',
					'post_type' => 'post',
				);
				$posts[$key]['post_title'] = array(
					'text' => '' == $post['post_title'] ? '('.__('no title', 'wp-optimize').')' : $post['post_title'],
					'url' => add_query_arg($args, 'edit.php'),
				);
			}
		}

// get total count auto-draft for optimization.
		$sql = "SELECT COUNT(*) FROM `" . $this->wpdb->posts . "` WHERE post_status = 'trash'";

if ('true' == $this->retention_enabled) {
			$sql .= ' and post_modified < NOW() - INTERVAL ' . $this->retention_period . ' WEEK';
		}
		$sql .= ';';

$total = $this->wpdb->get_var($sql);

return array(
			'id_key' => 'ID',
			'columns' => array(
				'ID' => __('ID', 'wp-optimize'),
				'post_title' => __('Title', 'wp-optimize'),
				'post_date' => __('Date', 'wp-optimize'),
			),
			'offset' => $params['offset'],
			'limit' => $params['limit'],
			'total' => $total,
			'data' => $this->htmlentities_array($posts, array('ID')),
			'message' => $total > 0 ? '' : __('No trashed posts found', 'wp-optimize'),
		);
	}

/**
	 * Do actions after optimize() function.
	 */
	public function after_optimize() {
		$message = sprintf(_n('%s post removed from Trash', '%s posts removed from Trash', $this->processed_count, 'wp-optimize'), number_format_i18n($this->processed_count));

if ($this->is_multisite_mode()) {
			$message .= ' ' . sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids));
		}

$this->logger->info($message);
		$this->register_output($message);
	}

/**
	 * Do optimization.
	 */
	public function optimize() {

$remove_ids_sql = "SELECT ID FROM `" . $this->wpdb->posts . "` WHERE post_status = 'trash'";

if ('true' == $this->retention_enabled) {
			$remove_ids_sql .= ' AND post_modified < NOW() - INTERVAL ' . $this->retention_period . ' WEEK';
		}

// get trashed post ids.
		$post_remove_ids = $this->wpdb->get_col($remove_ids_sql);

// if optimize called from preview dialog then get posted ids.
		if (isset($this->data['ids'])) {
			$post_remove_ids = array_intersect($post_remove_ids, $this->data['ids']);
		}

// remove related data for trashed posts.
		if (!empty($post_remove_ids)) {
			$post_remove_ids = join(',', $post_remove_ids);

// remove related postmeta.
			$clean = "DELETE FROM `" . $this->wpdb->postmeta . "` WHERE post_id IN (" . $post_remove_ids . ");";
			$this->wpdb->query($clean);

// remove related term relationships.
			$clean = "DELETE FROM `" . $this->wpdb->term_relationships . "` WHERE object_id IN (" . $post_remove_ids . ");";
			$this->wpdb->query($clean);

// remove related comments and commentmeta.
			$clean = "DELETE c, cm FROM `" . $this->wpdb->comments . "` c LEFT JOIN `" . $this->wpdb->commentmeta . "` cm ON c.comment_ID = cm.comment_id WHERE c.comment_post_ID IN (" . $post_remove_ids . ");";
			$this->wpdb->query($clean);
		}

$clean = "DELETE FROM `" . $this->wpdb->posts . "` WHERE post_status = 'trash'";

if ('true' == $this->retention_enabled) {
			$clean .= ' AND post_modified < NOW() - INTERVAL ' . $this->retention_period . ' WEEK';
		}

// if posted ids in params, then remove only selected items. used by preview widget.
		if (isset($this->data['ids'])) {
			$clean .= ' AND `ID` in ('.join(',', $this->data['ids']).')';
		}

$clean .= ';';

// remove trashed posts.
		$posttrash = $this->query($clean);
		$this->processed_count += $posttrash;

}

/**
	 * Do actions after get_info() function.
	 */
	public function after_get_info() {
		if ($this->found_count > 0) {
			$message = sprintf(_n('%s trashed post in your database', '%s trashed posts in your database', $this->found_count, 'wp-optimize'), number_format_i18n($this->found_count));
		} else {
			$message = __('No trashed posts found', 'wp-optimize');
		}

if ($this->is_multisite_mode()) {
			$message .= ' ' . sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids));
		}

// add preview link for output.
		if (0 != $this->found_count && null != $this->found_count) {
			$message = $this->get_preview_link($message);
		}

$this->register_output($message);
	}

/**
	 * Return info about not optimized records
	 */
	public function get_info() {

$sql = "SELECT COUNT(*) FROM `" . $this->wpdb->posts . "` WHERE post_status = 'trash'";
		if ('true' == $this->retention_enabled) {
			$sql .= ' and post_modified < NOW() - INTERVAL ' . $this->retention_period . ' WEEK';
		}
		$sql .= ';';

$trash = $this->wpdb->get_var($sql);
		$this->found_count += $trash;

}

/**
	 * Return settings label
	 *
	 * @return string|void
	 */
	public function settings_label() {

if ('true' == $this->retention_enabled) {
			return sprintf(__('Clean trashed posts which are older than %d weeks', 'wp-optimize'), $this->retention_period);
		} else {
			return __('Clean all trashed posts', 'wp-optimize');
		}
	}

/**
	 * Return description
	 *
	 * @return string|void
	 */
	public function get_auto_option_description() {
		return __('Remove trashed posts', 'wp-optimize');
	}
}

MR SKB