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<?php
if (!defined('WPO_VERSION')) die('No direct access allowed');
class WP_Optimization_spam 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 = 3500;
protected $dom_id = 'clean-comments';
protected $setting_id = 'spams';
protected $auto_id = 'spams';
private $processed_spam_count;
private $processed_trash_count;
private $found_spam_count;
private $found_trash_count;
/**
* Prepare data for preview widget.
*
* @param array $params
*
* @return array
*/
public function preview($params) {
// get clicked comment type link.
$type = isset($params['type']) && 'spam' == $params['type'] ? 'spam' : 'trash';
$retention_subquery = '';
if ('true' == $this->retention_enabled) {
$retention_subquery = ' and comment_date < NOW() - INTERVAL ' . $this->retention_period . ' WEEK';
}
// get data requested for preview.
$sql = $this->wpdb->prepare(
"SELECT comment_ID, comment_author, SUBSTR(comment_content, 1, 128) AS comment_content FROM".
" `" . $this->wpdb->comments . "`".
" WHERE comment_approved = '{$type}'".
$retention_subquery.
" ORDER BY `comment_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) {
$posts[$key]['post_title'] = array(
'text' => '' == $post['post_title'] ? '('.__('no title', 'wp-optimize').')' : $post['post_title'],
'url' => get_edit_post_link($post['ID']),
);
}
}
// get total count comments for optimization.
$sql = "SELECT COUNT(*) FROM `" . $this->wpdb->comments . "` WHERE comment_approved = '{$type}' ".$retention_subquery.";";
$total = $this->wpdb->get_var($sql);
return array(
'id_key' => 'comment_ID',
'columns' => array(
'comment_ID' => __('ID', 'wp-optimize'),
'comment_author' => __('Author', 'wp-optimize'),
'comment_content' => __('Comment', 'wp-optimize'),
),
'offset' => $params['offset'],
'limit' => $params['limit'],
'total' => $total,
'data' => $this->htmlentities_array($posts, array('comment_ID')),
'message' => $total > 0 ? '' : __('No spam or trashed comments found', 'wp-optimize'),
);
}
/**
* Do actions before optimize() function.
*/
public function before_optimize() {
$this->processed_spam_count = 0;
$this->processed_trash_count = 0;
}
/**
* Do actions after optimize() function.
*/
public function after_optimize() {
$message = sprintf(_n('%s spam comment deleted', '%s spam comments deleted', $this->processed_spam_count, 'wp-optimize'), number_format_i18n($this->processed_spam_count));
$message1 = sprintf(_n('%s comment removed from Trash', '%s comments removed from Trash', $this->processed_trash_count, 'wp-optimize'), number_format_i18n($this->processed_trash_count));
if ($this->is_multisite_mode()) {
$blogs_count_text = sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids));
$message .= ' '.$blogs_count_text;
$message1 .= ' '.$blogs_count_text;
}
$this->logger->info($message);
$this->logger->info($message1);
$this->register_output($message);
$this->register_output($message1);
}
/**
* Do optimization.
*/
public function optimize() {
// remove spam comments.
$this->processed_spam_count += $this->get_count_comments('spam');
$this->delete_comments_by_type('spam');
$this->processed_trash_count += $this->get_count_comments('trash');
$this->delete_comments_by_type('trash');
}
/**
* Delete comments by $type along with comments meta from database.
*
* @param string $type comment type.
* @return array
*/
public function delete_comments_by_type($type) {
$clean = "DELETE c, cm FROM `" . $this->wpdb->comments . "` c LEFT JOIN `" . $this->wpdb->commentmeta . "` cm ON c.comment_ID = cm.comment_id WHERE c.comment_approved = '{$type}'";
if ('true' == $this->retention_enabled) {
$clean .= ' and c.comment_date < 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 c.comment_ID in ('.join(',', $this->data['ids']).')';
}
$clean .= ';';
return $this->query($clean);
}
/**
* Do actions before get_info() function.
*/
public function before_get_info() {
$this->found_spam_count = 0;
$this->found_trash_count = 0;
}
/**
* Do actions after get_info() function.
*/
public function after_get_info() {
if ($this->found_spam_count > 0) {
$message = sprintf(_n('%s spam comment found', '%s spam comments found', $this->found_spam_count, 'wp-optimize'), number_format_i18n($this->found_spam_count));
// if current version is not premium and Preview feature not supported then
// add to message Review link to comments page
if (!WP_Optimize::is_premium()) {
$message .= ' | <a id="wp-optimize-edit-comments-spam" href="'.admin_url('edit-comments.php?comment_status=spam').'">'.' '.__('Review', 'wp-optimize').'</a>';
}
} else {
$message = __('No spam comments found', 'wp-optimize');
}
if ($this->found_trash_count > 0) {
$message1 = sprintf(_n('%s trashed comment found', '%s trashed comments found', $this->found_trash_count, 'wp-optimize'), number_format_i18n($this->found_trash_count));
// if current version is not premium and Preview feature not supported then
// add to message Review link to comments page
if (!WP_Optimize::is_premium()) {
$message1 .= ' | <a id="wp-optimize-edit-comments-trash" href="'.admin_url('edit-comments.php?comment_status=trash').'">'.' '.__('Review', 'wp-optimize').'</a>';
}
} else {
$message1 = __('No trashed comments found', 'wp-optimize');
}
if ($this->is_multisite_mode()) {
$blogs_count_text = sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids));
$message .= ' '.$blogs_count_text;
$message1 .= ' '.$blogs_count_text;
}
// add preview link to message.
if ($this->found_spam_count > 0) {
$message = $this->get_preview_link($message, array('data-type' => 'spam'));
}
// add preview link to message.
if ($this->found_trash_count > 0) {
$message1 = $this->get_preview_link($message1, array('data-type' => 'trash'));
}
$this->register_output($message);
$this->register_output($message1);
}
/**
* Count records those can be optimized.
*/
public function get_info() {
$this->found_spam_count += $this->get_count_comments('spam');
$this->found_trash_count += $this->get_count_comments('trash');
}
/**
* Returns count comments by $type.
*
* @param string $type comment type.
* @return mixed
*/
public function get_count_comments($type) {
$sql = "SELECT COUNT(*) FROM `" . $this->wpdb->comments . "` WHERE comment_approved = '{$type}'";
if ('true' == $this->retention_enabled) {
$sql .= ' and comment_date < NOW() - INTERVAL ' . $this->retention_period . ' WEEK';
}
$sql .= ';';
return $this->wpdb->get_var($sql);
}
/**
* Do actions after get_info() function.
*/
public function settings_label() {
if ('true' == $this->retention_enabled) {
return sprintf(__('Remove spam and trashed comments which are older than %d weeks', 'wp-optimize'), $this->retention_period);
} else {
return __('Remove spam and trashed comments', 'wp-optimize');
}
}
public function get_auto_option_description() {
return __('Remove spam and trashed comments', 'wp-optimize');
}
}
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