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https://git.sindominio.net/estibadores/wordpress.git
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254 lines
7.4 KiB
PHP
254 lines
7.4 KiB
PHP
<?php
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/**
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* Setups the posts languages and translations model
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*
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* @since 1.8
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*/
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class PLL_Translated_Post extends PLL_Translated_Object {
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/**
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* Constructor
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*
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* @since 1.8
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*
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* @param object $model
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*/
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public function __construct( &$model ) {
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// init properties
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$this->object_type = null; // For taxonomies
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$this->type = 'post'; // For capabilities
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$this->tax_language = 'language';
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$this->tax_translations = 'post_translations';
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$this->tax_tt = 'term_taxonomy_id';
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parent::__construct( $model );
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// registers completely the language taxonomy
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add_action( 'setup_theme', array( $this, 'register_taxonomy' ), 1 );
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// setups post types to translate
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add_action( 'registered_post_type', array( $this, 'registered_post_type' ) );
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// forces updating posts cache
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add_action( 'pre_get_posts', array( $this, 'pre_get_posts' ) );
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}
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/**
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* Store the post language in the database
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*
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* @since 0.6
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*
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* @param int $post_id post id
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* @param int|string|object $lang language ( term_id or slug or object )
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*/
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public function set_language( $post_id, $lang ) {
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$old_lang = $this->get_language( $post_id );
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$old_lang = $old_lang ? $old_lang->slug : '';
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$lang = $lang ? $this->model->get_language( $lang )->slug : '';
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if ( $old_lang !== $lang ) {
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wp_set_post_terms( (int) $post_id, $lang, 'language' );
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}
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}
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/**
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* Returns the language of a post
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*
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* @since 0.1
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*
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* @param int $post_id post id
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* @return bool|object PLL_Language object, false if no language is associated to that post
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*/
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public function get_language( $post_id ) {
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$lang = $this->get_object_term( $post_id, 'language' );
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return ( $lang ) ? $this->model->get_language( $lang ) : false;
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}
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/**
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* Deletes a translation
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*
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* @since 0.5
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*
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* @param int $id post id
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*/
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public function delete_translation( $id ) {
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parent::delete_translation( $id );
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wp_set_object_terms( $id, null, $this->tax_translations );
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}
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/**
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* A join clause to add to sql queries when filtering by language is needed directly in query
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*
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* @since 1.2
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*
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* @param string $alias Alias for $wpdb->posts table
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* @return string join clause
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*/
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public function join_clause( $alias = '' ) {
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global $wpdb;
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if ( empty( $alias ) ) {
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$alias = $wpdb->posts;
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}
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return " INNER JOIN $wpdb->term_relationships AS pll_tr ON pll_tr.object_id = $alias.ID";
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}
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/**
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* Register the language taxonomy
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*
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* @since 1.2
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*/
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public function register_taxonomy() {
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register_taxonomy(
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'language',
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$this->model->get_translated_post_types(),
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array(
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'labels' => array(
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'name' => __( 'Languages', 'polylang' ),
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'singular_name' => __( 'Language', 'polylang' ),
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'all_items' => __( 'All languages', 'polylang' ),
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),
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'public' => false,
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'show_ui' => false, // hide the taxonomy on admin side, needed for WP 4.4.x
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'show_in_nav_menus' => false, // no metabox for nav menus, needed for WP 4.4.x
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'publicly_queryable' => true, // since WP 4.5
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'query_var' => 'lang',
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'rewrite' => $this->model->options['force_lang'] < 2, // no rewrite for domains and sub-domains
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'_pll' => true, // polylang taxonomy
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)
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);
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}
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/**
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* Check if registered post type must be translated
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*
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* @since 1.2
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*
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* @param string $post_type post type name
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*/
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public function registered_post_type( $post_type ) {
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if ( $this->model->is_translated_post_type( $post_type ) ) {
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register_taxonomy_for_object_type( 'language', $post_type );
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register_taxonomy_for_object_type( 'post_translations', $post_type );
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}
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}
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/**
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* Forces calling 'update_object_term_cache' when querying posts or pages
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* this is especially useful for nav menus with a lot of pages
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* without doing this, we would have one query per page in the menu to get the page language for the permalink
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*
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* @since 1.8
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*
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* @param object $query reference to the query object
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*/
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public function pre_get_posts( $query ) {
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if ( ! empty( $query->query['post_type'] ) && $this->model->is_translated_post_type( $query->query['post_type'] ) ) {
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$query->query_vars['update_post_term_cache'] = true;
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}
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}
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/**
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* Checks if the current user can read the post
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*
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* @since 1.5
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*
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* @param int $post_id Post ID
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* @param string $context Optional, 'edit' or 'view', defaults to 'view'.
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* @return bool
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*/
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public function current_user_can_read( $post_id, $context = 'view' ) {
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$post = get_post( $post_id );
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if ( empty( $post ) ) {
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return false;
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}
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if ( 'inherit' === $post->post_status && $post->post_parent ) {
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$post = get_post( $post->post_parent );
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}
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if ( 'inherit' === $post->post_status || in_array( $post->post_status, get_post_stati( array( 'public' => true ) ) ) ) {
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return true;
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}
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// Follow WP practices, which shows links to private posts ( when readable ), but not for draft posts ( ex: get_adjacent_post_link() )
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if ( in_array( $post->post_status, get_post_stati( array( 'private' => true ) ) ) ) {
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$post_type_object = get_post_type_object( $post->post_type );
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$user = wp_get_current_user();
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return is_user_logged_in() && ( current_user_can( $post_type_object->cap->read_private_posts ) || $user->ID == $post->post_author ); // Comparison must not be strict!
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}
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// In edit context, show draft and future posts.
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if ( 'edit' === $context ) {
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$states = get_post_stati(
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array(
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'protected' => true,
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'show_in_admin_all_list' => true,
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)
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);
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if ( in_array( $post->post_status, $states ) ) {
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$user = wp_get_current_user();
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return is_user_logged_in() && ( current_user_can( 'edit_posts' ) || $user->ID == $post->post_author ); // Comparison must not be strict!
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}
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}
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return false;
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}
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/**
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* Returns a list of posts in a language ( $lang )
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* not translated in another language ( $untranslated_in )
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*
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* @since 2.6
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*
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* @param string $type Post type
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* @param string $untranslated_in The posts must not be translated in this language
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* @param string $lang Language of the search posts
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* @param string $search Limit results to posts matching this string
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* @return array Array of posts
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*/
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public function get_untranslated( $type, $untranslated_in, $lang, $search = '' ) {
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$return = array();
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// Don't order by title: see https://wordpress.org/support/topic/find-translated-post-when-10-is-not-enough
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$args = array(
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's' => $search,
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'suppress_filters' => 0, // To make the post_fields filter work
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'lang' => 0, // Avoid admin language filter
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'numberposts' => 20, // Limit to 20 posts
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'post_status' => 'any',
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'post_type' => $type,
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'tax_query' => array(
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array(
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'taxonomy' => 'language',
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'field' => 'term_taxonomy_id', // WP 3.5+
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'terms' => $lang->term_taxonomy_id,
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),
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),
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);
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/**
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* Filter the query args when auto suggesting untranslated posts in the Languages metabox
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* This should help plugins to fix some edge cases
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*
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* @see https://wordpress.org/support/topic/find-translated-post-when-10-is-not-enough
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*
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* @since 1.7
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*
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* @param array $args WP_Query arguments
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*/
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$args = apply_filters( 'pll_ajax_posts_not_translated_args', $args );
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$posts = get_posts( $args );
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foreach ( $posts as $post ) {
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if ( ! $this->get_translation( $post->ID, $untranslated_in ) && $this->current_user_can_read( $post->ID, 'edit' ) ) {
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$return[] = $post;
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}
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}
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return $return;
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}
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}
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