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<?php

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/**

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* WPML_Attachment_Action class file.

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* @package WPML

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/**

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* Class WPML_Attachment_Action

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class WPML_Attachment_Action implements IWPML_Action {

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/**

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* Sitepress instance.

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* @var SitePress

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private $sitepress;

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/**

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* Wpdb instance.

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* @var wpdb

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private $wpdb;

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/**

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* WPML_Attachment_Action constructor.

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* @param SitePress $sitepress Sitepress instance.

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* @param wpdb $wpdb wpdb instance.

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public function __construct( SitePress $sitepress, wpdb $wpdb ) {

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$this->sitepress = $sitepress;

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$this->wpdb = $wpdb;

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}

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/**

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* Add hooks.

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public function add_hooks() {

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if ( $this->is_admin_or_xmlrpc() && ! $this->is_uploading_plugin_or_theme() ) {

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$active_languages = $this->sitepress->get_active_languages();

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if ( count( $active_languages ) > 1 ) {

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add_filter( 'views_upload', array( $this, 'views_upload_actions' ) );

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}

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}

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add_filter( 'attachment_link', array( $this->sitepress, 'convert_url' ), 10, 1 );

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add_filter( 'wp_delete_file', array( $this, 'delete_file_filter' ) );

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}

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/**

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* Check if we are in site console or xmlrpc request is active.

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* @return bool

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private function is_admin_or_xmlrpc() {

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$is_admin = is_admin();

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$is_xmlrpc = ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST );

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return $is_admin || $is_xmlrpc;

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}

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/**

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* Check if we are uploading plugin or theme.

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* @return bool

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private function is_uploading_plugin_or_theme() {

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global $action;

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return ( isset( $action ) && ( 'upload-plugin' === $action || 'upload-theme' === $action ) );

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}

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/**

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* Filter views.

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* @param array $views Views.

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* @return array

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public function views_upload_actions( $views ) {

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global $pagenow;

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if ( 'upload.php' === $pagenow ) {

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// Get current language.

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$lang = $this->sitepress->get_current_language();

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foreach ( $views as $key => $view ) {

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// Extract the base URL and query parameters.

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$href_count = preg_match( '/(href=["\'])([\s\S]+?)\?([\s\S]+?)(["\'])/', $view, $href_matches );

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if ( $href_count && isset( $href_args ) ) {

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$href_base = $href_matches[2];

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wp_parse_str( $href_matches[3], $href_args );

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} else {

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$href_base = 'upload.php';

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$href_args = array();

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}

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if ( 'all' !== $lang ) {

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$sql = $this->wpdb->prepare(

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SELECT COUNT(p.id)

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FROM {$this->wpdb->posts} AS p

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INNER JOIN {$this->wpdb->prefix}icl_translations AS t

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ON p.id = t.element_id

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WHERE p.post_type = 'attachment'

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AND t.element_type='post_attachment'

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AND t.language_code = %s ",

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$lang

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);

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switch ( $key ) {

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case 'all':

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$and = " AND p.post_status != 'trash' ";

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break;

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case 'detached':

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$and = " AND p.post_status != 'trash' AND p.post_parent = 0 ";

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break;

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case 'trash':

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$and = " AND p.post_status = 'trash' ";

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break;

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default:

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if ( isset( $href_args['post_mime_type'] ) ) {

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$and = " AND p.post_status != 'trash' " . wp_post_mime_type_where( $href_args['post_mime_type'], 'p' );

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} else {

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$and = $this->wpdb->prepare( " AND p.post_status != 'trash' AND p.post_mime_type LIKE %s", $key . '%' );

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}

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}

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// phpcs:disable WordPress.NamingConventions.ValidHookName.UseUnderscores

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$and = apply_filters( 'wpml-media_view-upload-sql_and', $and, $key, $view, $lang );

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$sql_and = $sql . $and;

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$sql = apply_filters( 'wpml-media_view-upload-sql', $sql_and, $key, $view, $lang );

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$res = apply_filters( 'wpml-media_view-upload-count', null, $key, $view, $lang );

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// phpcs:enable

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if ( null === $res ) {

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$res = $this->wpdb->get_col( $sql );

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}

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// Replace count.

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$view = preg_replace( '/$(\d+)$/', '(' . $res[0] . ')', $view );

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}

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// Replace href link, adding the 'lang' argument and the revised count.

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$href_args['lang'] = $lang;

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$href_args = array_map( 'urlencode', $href_args );

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$new_href = add_query_arg( $href_args, $href_base );

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$views[ $key ] = preg_replace( '/(href=["\'])([\s\S]+?)(["\'])/', '$1' . $new_href . '$3', $view );

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}

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}

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return $views;

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}

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/**

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* Check if the image is not duplicated to another post before deleting it physically.

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* @param string $file Full file name.

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* @return string|null

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public function delete_file_filter( $file ) {

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static $saved_request = array();

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if ( $file ) {

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$file_name = $this->get_file_name_without_size_from_full_name( $file );

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if ( array_key_exists( $file_name, $saved_request ) ) {

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$attachment = $saved_request[ $file_name ];

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} else {

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$sql = "SELECT pm.meta_id, pm.post_id FROM {$this->wpdb->postmeta} AS pm

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WHERE pm.meta_value LIKE %s AND pm.meta_key='_wp_attached_file'";

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$attachment_prepared = $this->wpdb->prepare( $sql, array( '%' . $file_name ) );

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$attachment = $this->wpdb->get_row( $attachment_prepared );

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$saved_request [ $file_name ] = $attachment;

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}

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if ( ! empty( $attachment ) ) {

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$file = null;

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}

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}

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return $file;

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}

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/**

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* Get file name without a size, i.e. 'a-600x400.png' -> 'a.png'.

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* @param string $file Full file name.

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* @return mixed|string|string[]|null

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private function get_file_name_without_size_from_full_name( $file ) {

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$file_name = preg_replace( '/^(.+)\-\d+x\d+(\.\w+)$/', '$1$2', $file );

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$file_name = preg_replace( '/^[\s\S]+(\/.+)$/', '$1', $file_name );

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$file_name = str_replace( '/', '', $file_name );

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return $file_name;

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}

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}

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