File: /var/www/indoadvisory/wp/wp-content/plugins/polylang-pro/modules/sync-post/sync-post-model.php
<?php
/**
* @package Polylang-Pro
*/
/**
* Model for synchronizing posts
*
* @since 2.6
*/
class PLL_Sync_Post_Model {
/**
* Stores the plugin options.
*
* @var array
*/
public $options;
/**
* @var PLL_Model
*/
public $model;
/**
* @var PLL_Sync
*/
public $sync;
/**
* @var PLL_Sync_Content
*/
public $sync_content;
/**
* Stores temporary a synchronization information.
*
* @var array
*/
protected $temp_synchronized;
/**
* Constructor
*
* @since 2.6
*
* @param object $polylang Polylang object.
*/
public function __construct( &$polylang ) {
$this->options = &$polylang->options;
$this->model = &$polylang->model;
$this->sync = &$polylang->sync;
$this->sync_content = &$polylang->sync_content;
add_filter( 'pll_copy_taxonomies', array( $this, 'copy_taxonomies' ), 5, 4 );
add_filter( 'pll_copy_post_metas', array( $this, 'copy_post_metas' ), 5, 4 );
}
/**
* Copies all taxonomies.
*
* @since 2.1
*
* @param string[] $taxonomies List of taxonomy names.
* @param bool $sync True for a synchronization, false for a simple copy.
* @param int $from Source post id.
* @param int $to Target post id.
* @return string[]
*/
public function copy_taxonomies( $taxonomies, $sync, $from, $to ) {
if ( ! empty( $from ) && ! empty( $to ) && $this->are_synchronized( $from, $to ) ) {
$taxonomies = array_diff( get_post_taxonomies( $from ), get_taxonomies( array( '_pll' => true ) ) );
}
return $taxonomies;
}
/**
* Copies all custom fields.
*
* @since 2.1
*
* @param string[] $keys List of custom fields names.
* @param bool $sync True if it is synchronization, false if it is a copy.
* @param int $from Id of the post from which we copy the information.
* @param int $to Id of the post to which we paste the information.
* @return string[]
*/
public function copy_post_metas( $keys, $sync, $from, $to ) {
if ( ! empty( $from ) && ! empty( $to ) && $this->are_synchronized( $from, $to ) ) {
$from_keys = array_keys( get_post_custom( $from ) ); // *All* custom fields.
$to_keys = array_keys( get_post_custom( $to ) ); // Adding custom fields of the destination allow to synchronize deleted custom fields.
$keys = array_merge( $from_keys, $to_keys );
$keys = array_unique( $keys );
$keys = array_diff( $keys, array( '_edit_last', '_edit_lock' ) );
// Trash meta status must not be synchronized when bulk trashing / restoring posts otherwise WP can't restore the right post status.
if ( $this->doing_bulk_trash( $to ) ) {
$keys = array_diff( $keys, array( '_wp_trash_meta_status', '_wp_trash_meta_time' ) );
}
}
return $keys;
}
/**
* Checks if the synchronized post is included in bulk trashing or restoring posts
*
* @since 2.1.2
*
* @param int $post_id Id of the target post.
* @return bool
*/
protected function doing_bulk_trash( $post_id ) {
return 'edit.php' === $GLOBALS['pagenow'] && isset( $_GET['action'], $_GET['post'] ) && in_array( sanitize_key( $_GET['action'] ), array( 'trash', 'untrash' ) ) && in_array( $post_id, array_map( 'absint', $_GET['post'] ) ); // phpcs:ignore WordPress.Security.NonceVerification
}
/**
* Duplicates the post to one language and optionally saves the synchronization group
*
* @since 2.2
*
* @param int $post_id Post id of the source post.
* @param string $lang Target language slug.
* @param bool $save_group True to update the synchronization group, false otherwise.
* @return int Id of the target post, 0 on failure.
*/
public function copy_post( $post_id, $lang, $save_group = true ) {
global $wpdb;
$tr_id = $this->model->post->get( $post_id, $this->model->get_language( $lang ) );
$tr_post = $post = get_post( $post_id );
$languages = array_keys( $this->get( $post_id ) );
if ( ! $tr_post instanceof WP_Post ) {
// Something went wrong!
return 0;
}
// If it does not exist, create it.
if ( ! $tr_id ) {
$tr_post->ID = 0;
$tr_id = wp_insert_post( wp_slash( $tr_post->to_array() ) );
$this->model->post->set_language( $tr_id, $lang ); // Necessary to do it now to share slug.
$translations = $this->model->post->get_translations( $post_id );
$translations[ $lang ] = $tr_id;
$this->model->post->save_translations( $post_id, $translations ); // Saves translations in case we created a post.
$languages[] = $lang;
// Temporarily sync group, even if false === $save_group as we need synchronized posts to copy *all* taxonomies and post metas.
$this->temp_synchronized[ $post_id ][ $tr_id ] = true;
// Maybe duplicates the featured image.
if ( $this->options['media_support'] ) {
add_filter( 'pll_translate_post_meta', array( $this->sync_content, 'duplicate_thumbnail' ), 10, 3 );
}
add_filter( 'pll_maybe_translate_term', array( $this->sync_content, 'duplicate_term' ), 10, 3 );
$this->sync->taxonomies->copy( $post_id, $tr_id, $lang );
$this->sync->post_metas->copy( $post_id, $tr_id, $lang );
$_POST['post_tr_lang'][ $lang ] = $tr_id; // Hack to avoid creating multiple posts if the original post is saved several times (ex WooCommerce 3.0+).
/**
* Fires after a synchronized post has been created
*
* @since 2.3.11
*
* @param int $post_id Id of the source post.
* @param int $tr_id Id of the newly created post.
* @param string $lang Language of the newly created post.
*/
do_action( 'pll_created_sync_post', $post_id, $tr_id, $lang );
/** This action is documented in /polylang/include/crud-posts.php */
do_action( 'pll_save_post', $post_id, $post, $translations ); // Fire again as we just updated $translations.
unset( $this->temp_synchronized[ $post_id ][ $tr_id ] );
}
if ( $save_group ) {
$this->save_group( $post_id, $languages );
}
$tr_post->ID = $tr_id;
$tr_post->post_parent = (int) $this->model->post->get( $post->post_parent, $lang ); // Translates post parent.
$tr_post = $this->sync_content->copy_content( $post, $tr_post, $lang );
// The columns to copy in DB.
$columns = array(
'post_author',
'post_date',
'post_date_gmt',
'post_content',
'post_title',
'post_excerpt',
'comment_status',
'ping_status',
'post_name',
'post_modified',
'post_modified_gmt',
'post_parent',
'menu_order',
'post_mime_type',
);
// Don't synchronize when trashing / restoring in bulk as it causes an error fired by WP.
if ( ! $this->doing_bulk_trash( $tr_id ) ) {
$columns[] = 'post_status';
}
is_sticky( $post_id ) ? stick_post( $tr_id ) : unstick_post( $tr_id );
/**
* Filters the post fields to synchronize when synchronizing posts
*
* @since 2.3
*
* @param array $fields WP_Post fields to synchronize.
* @param int $post_id Post id of the source post.
* @param string $lang Target language slug.
* @param bool $save_group True to update the synchronization group, false otherwise.
*/
$columns = apply_filters( 'pll_sync_post_fields', array_combine( $columns, $columns ), $post_id, $lang, $save_group );
$tr_post = array_intersect_key( (array) $tr_post, $columns );
$wpdb->update( $wpdb->posts, $tr_post, array( 'ID' => $tr_id ) ); // Don't use wp_update_post to avoid conflict (reverse sync).
clean_post_cache( $tr_id );
/**
* Fires after a post has been synchronized.
*
* @since 2.6.3
*
* @param int $post_id Id of the source post.
* @param int $tr_id Id of the target post.
* @param string $lang Language of the target post.
*/
do_action( 'pll_post_synchronized', $post_id, $tr_id, $lang );
return $tr_id;
}
/**
* Saves the synchronization group
* This is stored as an array beside the translations in the post_translations term description
*
* @since 2.1
*
* @param int $post_id ID of the post currently being saved.
* @param array $sync_post Array of languages to sync with this post.
* @return void
*/
public function save_group( $post_id, $sync_post ) {
$term = $this->model->post->get_object_term( $post_id, 'post_translations' );
if ( empty( $term ) ) {
return;
}
$d = maybe_unserialize( $term->description );
$lang = $this->model->post->get_language( $post_id );
if ( ! is_array( $d ) || empty( $lang ) ) {
return;
}
$lang = $lang->slug;
if ( empty( $sync_post ) ) {
if ( isset( $d['sync'][ $lang ] ) ) {
$d['sync'] = array_diff( $d['sync'], array( $d['sync'][ $lang ] ) );
}
} else {
$sync_post[] = $lang;
$d['sync'] = empty( $d['sync'] ) ? array_fill_keys( $sync_post, $lang ) : array_merge( array_diff( $d['sync'], array( $lang ) ), array_fill_keys( $sync_post, $lang ) );
}
wp_update_term( (int) $term->term_id, 'post_translations', array( 'description' => maybe_serialize( $d ) ) );
}
/**
* Get all posts synchronized with a given post
*
* @since 2.1
*
* @param int $post_id The id of the post.
* @return array An associative array of arrays with language code as key and post id as value.
*/
public function get( $post_id ) {
$term = $this->model->post->get_object_term( $post_id, 'post_translations' );
if ( ! empty( $term ) ) {
$lang = $this->model->post->get_language( $post_id );
$d = maybe_unserialize( $term->description );
if ( ! is_array( $d ) || empty( $lang ) ) {
return array();
}
if ( ! empty( $d['sync'][ $lang->slug ] ) ) {
$keys = array_keys( $d['sync'], $d['sync'][ $lang->slug ] );
return array_intersect_key( $d, array_flip( $keys ) );
}
}
return array();
}
/**
* Checks whether two posts are synchronized
*
* @since 2.1
*
* @param int $post_id The id of a first post to compare.
* @param int $other_id The id of the other post to compare.
* @return bool
*/
public function are_synchronized( $post_id, $other_id ) {
return isset( $this->temp_synchronized[ $post_id ][ $other_id ] ) || in_array( $other_id, $this->get( $post_id ) );
}
/**
* Check if the current user can synchronize a post in other language
*
* @since 2.6
*
* @param int $post_id Post to synchronize.
* @param string $lang Language code.
* @return bool
*/
public function current_user_can_synchronize( $post_id, $lang ) {
if ( ! current_user_can( 'edit_post', $post_id ) ) {
return false;
}
$tr_id = $this->model->post->get( $post_id, $this->model->get_language( $lang ) );
// If we don't have a translation yet, check if we have the right to create a new one?
if ( empty( $tr_id ) ) {
$post_type = get_post_type( $post_id );
$post_type_object = get_post_type_object( $post_type );
return current_user_can( $post_type_object->cap->create_posts );
}
// Do we have the right to edit this translation?
if ( ! current_user_can( 'edit_post', $tr_id ) ) {
return false;
}
// Is this translation synchronized with a post that we can't edit?
$ids = $this->get( $tr_id );
foreach ( $ids as $id ) {
if ( ! current_user_can( 'edit_post', $id ) ) {
return false;
}
}
return true;
}
}