mirror of
https://git.sindominio.net/estibadores/wordpress.git
synced 2024-11-23 02:51:06 +01:00
207 lines
6.5 KiB
PHP
207 lines
6.5 KiB
PHP
<?php
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/**
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* Adds actions and filters related to languages when creating, reading, updating or deleting posts
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* Acts both on frontend and backend
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*
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* @since 2.4
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*/
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class PLL_CRUD_Terms {
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public $model, $curlang, $filter_lang, $pref_lang;
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private $tax_query_lang;
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/**
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* Constructor
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*
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* @since 2.4
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*
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* @param object $polylang
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*/
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public function __construct( &$polylang ) {
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$this->model = &$polylang->model;
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$this->curlang = &$polylang->curlang;
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$this->filter_lang = &$polylang->filter_lang;
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$this->pref_lang = &$polylang->pref_lang;
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// Saving terms
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add_action( 'create_term', array( $this, 'save_term' ), 999, 3 );
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add_action( 'edit_term', array( $this, 'save_term' ), 999, 3 ); // After PLL_Admin_Filters_Term
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// Adds cache domain when querying terms
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add_filter( 'get_terms_args', array( $this, 'get_terms_args' ), 10, 2 );
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// Filters terms by language
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add_filter( 'terms_clauses', array( $this, 'terms_clauses' ), 10, 3 );
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add_action( 'pre_get_posts', array( $this, 'set_tax_query_lang' ), 999 );
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add_action( 'posts_selection', array( $this, 'unset_tax_query_lang' ), 0 );
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// Deleting terms
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add_action( 'pre_delete_term', array( $this, 'delete_term' ) );
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}
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/**
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* Allows to set a language by default for terms if it has no language yet
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*
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* @since 1.5.4
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*
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* @param int $term_id
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* @param string $taxonomy
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*/
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protected function set_default_language( $term_id, $taxonomy ) {
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if ( ! $this->model->term->get_language( $term_id ) ) {
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if ( ! isset( $this->pref_lang ) && ! empty( $_REQUEST['lang'] ) && $lang = $this->model->get_language( sanitize_key( $_REQUEST['lang'] ) ) ) { // phpcs:ignore WordPress.Security.NonceVerification
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// Testing $this->pref_lang makes this test pass only on frontend.
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$this->model->term->set_language( $term_id, $lang );
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} elseif ( ( $term = get_term( $term_id, $taxonomy ) ) && ! empty( $term->parent ) && $parent_lang = $this->model->term->get_language( $term->parent ) ) {
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// Sets language from term parent if exists thanks to Scott Kingsley Clark
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$this->model->term->set_language( $term_id, $parent_lang );
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} elseif ( isset( $this->pref_lang ) ) {
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// Always defined on admin, never defined on frontend
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$this->model->term->set_language( $term_id, $this->pref_lang );
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} else {
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// Only on frontend due to the previous test always true on admin
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$this->model->term->set_language( $term_id, $this->curlang );
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}
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}
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}
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/**
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* Called when a category or post tag is created or edited
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* Does nothing except on taxonomies which are filterable
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*
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* @since 0.1
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*
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* @param int $term_id
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* @param int $tt_id Term taxonomy id
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* @param string $taxonomy
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*/
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public function save_term( $term_id, $tt_id, $taxonomy ) {
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if ( $this->model->is_translated_taxonomy( $taxonomy ) ) {
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$lang = $this->model->term->get_language( $term_id );
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if ( empty( $lang ) ) {
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$this->set_default_language( $term_id, $taxonomy );
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}
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/**
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* Fires after the term language and translations are saved
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*
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* @since 1.2
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*
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* @param int $term_id term id
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* @param string $taxonomy taxonomy name
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* @param array $translations the list of translations term ids
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*/
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do_action( 'pll_save_term', $term_id, $taxonomy, $this->model->term->get_translations( $term_id ) );
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}
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}
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/**
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* Get the language(s) to filter get_terms
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*
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* @since 1.7.6
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*
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* @param array $taxonomies queried taxonomies
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* @param array $args get_terms arguments
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* @return object|string|bool the language(s) to use in the filter, false otherwise
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*/
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protected function get_queried_language( $taxonomies, $args ) {
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// Does nothing except on taxonomies which are filterable
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// Since WP 4.7, make sure not to filter wp_get_object_terms()
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if ( ! $this->model->is_translated_taxonomy( $taxonomies ) || ! empty( $args['object_ids'] ) ) {
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return false;
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}
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// If get_terms is queried with a 'lang' parameter
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if ( isset( $args['lang'] ) ) {
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return $args['lang'];
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}
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// On tags page, everything should be filtered according to the admin language filter except the parent dropdown
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if ( 'edit-tags.php' === $GLOBALS['pagenow'] && empty( $args['class'] ) ) {
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return $this->filter_lang;
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}
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return $this->curlang;
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}
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/**
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* Adds language dependent cache domain when querying terms
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* Useful as the 'lang' parameter is not included in cache key by WordPress
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*
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* @since 1.3
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*
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* @param array $args
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* @param array $taxonomies
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* @return array modified arguments
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*/
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public function get_terms_args( $args, $taxonomies ) {
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// Don't break _get_term_hierarchy()
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if ( 'all' === $args['get'] && 'id' === $args['orderby'] && 'id=>parent' === $args['fields'] ) {
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$args['lang'] = '';
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}
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if ( isset( $this->tax_query_lang ) ) {
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$args['lang'] = empty( $this->tax_query_lang ) && ! empty( $this->curlang ) && ! empty( $args['slug'] ) ? $this->curlang->slug : $this->tax_query_lang;
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}
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if ( $lang = $this->get_queried_language( $taxonomies, $args ) ) {
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$lang = is_string( $lang ) && strpos( $lang, ',' ) ? explode( ',', $lang ) : $lang;
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$key = '_' . ( is_array( $lang ) ? implode( ',', $lang ) : $this->model->get_language( $lang )->slug );
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$args['cache_domain'] = empty( $args['cache_domain'] ) ? 'pll' . $key : $args['cache_domain'] . $key;
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}
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return $args;
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}
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/**
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* Filters categories and post tags by language(s) when needed on admin side
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*
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* @since 0.2
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*
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* @param array $clauses list of sql clauses
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* @param array $taxonomies list of taxonomies
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* @param array $args get_terms arguments
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* @return array modified sql clauses
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*/
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public function terms_clauses( $clauses, $taxonomies, $args ) {
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$lang = $this->get_queried_language( $taxonomies, $args );
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return $this->model->terms_clauses( $clauses, $lang );
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}
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/**
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* Sets the WP_Term_Query language when doing a WP_Query
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* Needed since WP 4.9
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*
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* @since 2.3.2
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*
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* @param object $query WP_Query object
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*/
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public function set_tax_query_lang( $query ) {
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$this->tax_query_lang = isset( $query->query_vars['lang'] ) ? $query->query_vars['lang'] : '';
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}
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/**
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* Removes the WP_Term_Query language filter for WP_Query
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* Needed since WP 4.9
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*
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* @since 2.3.2
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*/
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public function unset_tax_query_lang() {
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unset( $this->tax_query_lang );
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}
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/**
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* Called when a category or post tag is deleted
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* Deletes language and translations
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*
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* @since 0.1
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*
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* @param int $term_id
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*/
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public function delete_term( $term_id ) {
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$this->model->term->delete_translation( $term_id );
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$this->model->term->delete_language( $term_id );
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}
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}
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