| 1 |
<?php |
| 2 |
/** |
| 3 |
* @package Polylang |
| 4 |
*/ |
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|
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use WP_Syntex\Polylang\Options\Options; |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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/** |
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* Sets the taxonomies languages and translations model up. |
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* |
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* @since 1.8 |
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* |
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* @phpstan-import-type DBInfoWithType from PLL_Translatable_Object_With_Types_Interface |
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*/ |
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class PLL_Translated_Term extends PLL_Translated_Object implements PLL_Translatable_Object_With_Types_Interface { |
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use PLL_Translatable_Object_With_Types_Trait; |
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|
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/** |
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* Taxonomy name for the languages. |
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* |
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* @var string |
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* |
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* @phpstan-var non-empty-string |
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*/ |
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protected $tax_language = 'term_language'; |
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|
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/** |
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* Object type to use when registering the taxonomy. |
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* |
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* @var string |
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* |
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* @phpstan-var non-empty-string |
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*/ |
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protected $object_type = 'term'; |
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|
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/** |
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* Identifier that must be unique for each type of content. |
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* Also used when checking capabilities. |
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* |
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* @var string |
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* |
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* @phpstan-var non-empty-string |
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*/ |
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protected $type = 'term'; |
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|
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/** |
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* Identifier for each type of content to used for cache type. |
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* |
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* @var string |
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* |
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* @phpstan-var non-empty-string |
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*/ |
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protected $cache_type = 'terms'; |
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|
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|
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/** |
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* Taxonomy name for the translation groups. |
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* |
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* @var string |
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* |
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* @phpstan-var non-empty-string |
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*/ |
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protected $tax_translations = 'term_translations'; |
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|
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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 PLL_Model $model Instance of `PLL_Model`. |
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*/ |
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public function __construct( PLL_Model $model ) { |
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parent::__construct( $model ); |
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|
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// Keep hooks in constructor for backward compatibility. |
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$this->init(); |
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} |
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|
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/** |
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* Adds hooks. |
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* |
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* @since 3.4 |
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* |
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* @return static |
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*/ |
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public function init() { |
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add_filter( 'get_terms', array( $this, '_prime_terms_cache' ), 10, 2 ); |
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add_action( 'clean_term_cache', array( $this, 'clean_term_cache' ) ); |
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return parent::init(); |
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} |
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|
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/** |
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* Stores the term's language into the database. |
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* |
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* @since 0.6 |
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* @since 3.4 Renamed the parameter $term_id into $id. |
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* |
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* @param int $id Term ID. |
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* @param PLL_Language|string|int $lang Language (object, slug, or term ID). |
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* @return bool True when successfully assigned. False otherwise (or if the given language is already assigned to |
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* the object). |
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*/ |
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public function set_language( $id, $lang ) { |
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if ( ! parent::set_language( $id, $lang ) ) { |
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return false; |
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} |
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|
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$id = $this->sanitize_int_id( $id ); |
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|
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// Add translation group for correct WXR export. |
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$translations = $this->get_translations( $id ); |
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|
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if ( ! empty( $translations ) ) { |
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$translations = array_diff( $translations, array( $id ) ); |
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} |
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|
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$this->save_translations( $id, $translations ); |
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|
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return true; |
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} |
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|
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/** |
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* Returns the language of a term. |
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* |
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* @since 0.1 |
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* @since 3.4 Renamed the parameter $value into $id. |
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* @since 3.4 Deprecated to retrieve the language by term slug + taxonomy anymore. |
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* |
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* @param int $id Term ID. |
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* @return PLL_Language|false A `PLL_Language` object. `false` if no language is associated to that term or if the |
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* ID is invalid. |
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*/ |
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public function get_language( $id ) { |
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if ( func_num_args() > 1 ) { |
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// Backward compatibility. |
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_deprecated_argument( __METHOD__ . '()', '3.4' ); |
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|
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$term = get_term_by( 'slug', $id, func_get_arg( 1 ) ); // @phpstan-ignore-line |
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$id = $term instanceof WP_Term ? $term->term_id : 0; |
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} |
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|
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return parent::get_language( $id ); |
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} |
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|
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/** |
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* Deletes a translation of a term. |
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* |
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* @since 0.5 |
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* |
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* @param int $id Term ID. |
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* @return void |
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*/ |
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public function delete_translation( $id ) { |
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global $wpdb; |
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|
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$id = $this->sanitize_int_id( $id ); |
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|
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if ( empty( $id ) ) { |
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return; |
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} |
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|
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$slug = array_search( $id, $this->get_translations( $id ) ); // In case some plugin stores the same value with different key. |
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|
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parent::delete_translation( $id ); |
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wp_delete_object_term_relationships( $id, $this->tax_translations ); |
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|
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if ( doing_action( 'pre_delete_term' ) ) { |
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return; |
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} |
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|
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if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT COUNT( * ) FROM $wpdb->terms WHERE term_id = %d;", $id ) ) ) { |
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return; |
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} |
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|
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// Always keep a group for terms to allow relationships remap when importing from a WXR file. |
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$group = uniqid( 'pll_' ); |
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$translations = array( $slug => $id ); |
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wp_insert_term( $group, $this->tax_translations, array( 'description' => maybe_serialize( $translations ) ) ); |
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wp_set_object_terms( $id, $group, $this->tax_translations ); |
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} |
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|
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/** |
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* Returns object types (taxonomy names) that need to be translated. |
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* The taxonomies list is cached for better performance. |
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* The method waits for 'after_setup_theme' to apply the cache to allow themes adding the filter in functions.php. |
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* |
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* @since 3.4 |
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* |
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* @param bool $filter True if we should return only valid registered object types. |
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* @return string[] Object type names for which Polylang manages languages. |
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* |
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* @phpstan-return array<non-empty-string, non-empty-string> |
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*/ |
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public function get_translated_object_types( $filter = true ) { |
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$taxonomies = $this->cache->get( 'taxonomies' ); |
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|
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if ( false === $taxonomies ) { |
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$taxonomies = array( 'category' => 'category', 'post_tag' => 'post_tag' ); |
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|
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if ( ! empty( $this->options['taxonomies'] ) ) { |
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$taxonomies = array_merge( $taxonomies, array_combine( $this->options['taxonomies'], $this->options['taxonomies'] ) ); |
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} |
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|
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/** |
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* Filters the list of taxonomies available for translation. |
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* The default are taxonomies which have the parameter ‘public’ set to true. |
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* The filter must be added soon in the WordPress loading process: |
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* in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes. |
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* |
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* @since 0.8 |
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* |
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* @param string[] $taxonomies List of taxonomy names (as array keys and values). |
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* @param bool $is_settings True when displaying the list of custom taxonomies in Polylang settings. |
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*/ |
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$taxonomies = (array) apply_filters( 'pll_get_taxonomies', $taxonomies, false ); |
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|
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if ( did_action( 'after_setup_theme' ) && ! doing_action( 'switch_blog' ) ) { |
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$this->cache->set( 'taxonomies', $taxonomies ); |
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} |
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} |
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|
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/** @var array<non-empty-string, non-empty-string> $taxonomies */ |
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return $filter ? array_intersect( $taxonomies, get_taxonomies() ) : $taxonomies; |
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} |
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|
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/** |
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* Caches the language and translations when terms are queried by get_terms(). |
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* |
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* @since 1.2 |
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* |
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* @param WP_Term[]|int[] $terms Queried terms. |
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* @param string[] $taxonomies Queried taxonomies. |
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* @return WP_Term[]|int[] Unmodified $terms. |
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* |
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* @phpstan-param array<WP_Term|positive-int> $terms |
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* @phpstan-return array<WP_Term|positive-int> |
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*/ |
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public function _prime_terms_cache( $terms, $taxonomies ) { |
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$ids = array(); |
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|
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if ( is_array( $terms ) && $this->is_translated_object_type( $taxonomies ) ) { |
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foreach ( $terms as $term ) { |
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$ids[] = is_object( $term ) ? $term->term_id : (int) $term; |
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} |
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} |
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|
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if ( ! empty( $ids ) ) { |
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update_object_term_cache( array_unique( $ids ), 'term' ); // Adds language and translation of terms to cache. |
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} |
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return $terms; |
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} |
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|
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/** |
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* When the term cache is cleaned, cleans the object term cache too. |
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* |
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* @since 2.0 |
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* |
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* @param int[] $ids An array of term IDs. |
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* @return void |
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* |
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* @phpstan-param array<positive-int> $ids |
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*/ |
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public function clean_term_cache( $ids ) { |
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clean_object_term_cache( $this->sanitize_int_ids_list( $ids ), 'term' ); |
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} |
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|
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/** |
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* Tells whether a translation term must be updated. |
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* |
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* @since 2.3 |
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* |
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* @param int $id Term ID. |
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* @param int[] $translations An associative array of translations with language code as key and translation ID as |
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* value. Make sure to sanitize this. |
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* @return bool |
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* |
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* @phpstan-param array<non-empty-string, positive-int> $translations |
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*/ |
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protected function should_update_translation_group( $id, $translations ) { |
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// Don't do anything if no translations have been added to the group. |
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$old_translations = $this->get_translations( $id ); |
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if ( count( $translations ) > 1 && ! empty( array_diff_assoc( $translations, $old_translations ) ) ) { |
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return true; |
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} |
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|
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// But we need a translation group for terms to allow relationships remap when importing from a WXR file |
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$term = $this->get_object_term( $id, $this->tax_translations ); |
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return empty( $term ) || ! empty( array_diff_assoc( $translations, $old_translations ) ); |
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} |
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|
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/** |
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* Assigns a language to terms in mass. |
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* |
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* @since 1.2 |
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* @since 3.4 Moved from PLL_Admin_Model class. |
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* |
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* @param int[] $ids Array of post ids or term ids. |
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* @param PLL_Language $lang Language to assign to the posts or terms. |
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* @return void |
| 302 |
*/ |
| 303 |
public function set_language_in_mass( $ids, $lang ) { |
| 304 |
parent::set_language_in_mass( $ids, $lang ); |
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|
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$translations = array(); |
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|
| 308 |
foreach ( $ids as $id ) { |
| 309 |
$translations[] = array( $lang->slug => $id ); |
| 310 |
} |
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|
| 312 |
if ( ! empty( $translations ) ) { |
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$this->set_translation_in_mass( $translations ); |
| 314 |
} |
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} |
| 316 |
|
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/** |
| 318 |
* Returns the description to use for the "language properties" in the REST API. |
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* |
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* @since 3.7 |
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* @see WP_Syntex\Polylang\REST\V2\Languages::get_item_schema() |
| 322 |
* |
| 323 |
* @return string |
| 324 |
*/ |
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public function get_rest_description(): string { |
| 326 |
return __( 'Language taxonomy properties for terms.', 'polylang' ); |
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} |
| 328 |
|
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/** |
| 330 |
* Returns database-related information that can be used in some of this class methods. |
| 331 |
* These are specific to the table containing the objects. |
| 332 |
* |
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* @see PLL_Translatable_Object::join_clause() |
| 334 |
* @see PLL_Translatable_Object::get_raw_objects_with_no_lang() |
| 335 |
* |
| 336 |
* @since 3.4.3 |
| 337 |
* |
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* @return string[] { |
| 339 |
* @type string $table Name of the table. |
| 340 |
* @type string $id_column Name of the column containing the object's ID. |
| 341 |
* @type string $type_column Name of the column containing the object's type. |
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* @type string $default_alias Default alias corresponding to the object's table. |
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* } |
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* @phpstan-return DBInfoWithType |
| 345 |
*/ |
| 346 |
protected function get_db_infos() { |
| 347 |
return array( |
| 348 |
'table' => $GLOBALS['wpdb']->term_taxonomy, |
| 349 |
'id_column' => 'term_id', |
| 350 |
'type_column' => 'taxonomy', |
| 351 |
'default_alias' => 't', |
| 352 |
); |
| 353 |
} |
| 354 |
|
| 355 |
/** |
| 356 |
* Wraps `wp_insert_term` with language feature. |
| 357 |
* |
| 358 |
* @since 3.7 |
| 359 |
* |
| 360 |
* @param string $term The term name to add. |
| 361 |
* @param string $taxonomy The taxonomy to which to add the term. |
| 362 |
* @param PLL_Language $language The term language. |
| 363 |
* @param array $args { |
| 364 |
* Optional. Array of arguments for inserting a term. |
| 365 |
* |
| 366 |
* @type string $alias_of Slug of the term to make this term an alias of. |
| 367 |
* Default empty string. Accepts a term slug. |
| 368 |
* @type string $description The term description. Default empty string. |
| 369 |
* @type int $parent The id of the parent term. Default 0. |
| 370 |
* @type string $slug The term slug to use. Default empty string. |
| 371 |
* @type string[] $translations The translation group to assign to the term with language slug as keys and `term_id` as values. |
| 372 |
* } |
| 373 |
* @return array|WP_Error { |
| 374 |
* An array of the new term data, `WP_Error` otherwise. |
| 375 |
* |
| 376 |
* @type int $term_id The new term ID. |
| 377 |
* @type int|string $term_taxonomy_id The new term taxonomy ID. Can be a numeric string. |
| 378 |
* } |
| 379 |
*/ |
| 380 |
public function insert( string $term, string $taxonomy, PLL_Language $language, $args = array() ) { |
| 381 |
$parent = $args['parent'] ?? 0; |
| 382 |
$this->toggle_inserted_term_filters( $language, $parent ); |
| 383 |
$term = wp_insert_term( $term, $taxonomy, $args ); |
| 384 |
$this->toggle_inserted_term_filters( $language, $parent ); |
| 385 |
|
| 386 |
if ( is_wp_error( $term ) ) { |
| 387 |
// Something went wrong! |
| 388 |
return $term; |
| 389 |
} |
| 390 |
|
| 391 |
$this->set_language( (int) $term['term_id'], $language ); |
| 392 |
|
| 393 |
if ( ! empty( $args['translations'] ) ) { |
| 394 |
$this->save_translations( (int) $term['term_id'], $args['translations'] ); |
| 395 |
} |
| 396 |
|
| 397 |
return $term; |
| 398 |
} |
| 399 |
|
| 400 |
/** |
| 401 |
* Wraps `wp_update_term` with language feature. |
| 402 |
* |
| 403 |
* @since 3.7 |
| 404 |
* |
| 405 |
* @param int $term_id The ID of the term. |
| 406 |
* @param array $args { |
| 407 |
* Optional. Array of arguments for updating a term. |
| 408 |
* |
| 409 |
* @type string $alias_of Slug of the term to make this term an alias of. |
| 410 |
* Default empty string. Accepts a term slug. |
| 411 |
* @type string $description The term description. Default empty string. |
| 412 |
* @type int $parent The id of the parent term. Default 0. |
| 413 |
* @type string $slug The term slug to use. Default empty string. |
| 414 |
* @type PLL_Language $lang The term language object. |
| 415 |
* @type string[] $translations The translation group to assign to the term with language slug as keys and `term_id` as values. |
| 416 |
* } |
| 417 |
* @return array|WP_Error An array containing the `term_id` and `term_taxonomy_id`, |
| 418 |
* WP_Error otherwise. |
| 419 |
*/ |
| 420 |
public function update( int $term_id, array $args = array() ) { |
| 421 |
$term = get_term( $term_id ); |
| 422 |
if ( ! $term instanceof WP_Term ) { |
| 423 |
return new WP_Error( 'invalid_term', __( 'Empty Term.', 'polylang' ) ); |
| 424 |
} |
| 425 |
|
| 426 |
/** @var PLL_Language $language */ |
| 427 |
$language = $this->get_language( $term_id ); |
| 428 |
if ( ! empty( $args['lang'] ) ) { |
| 429 |
$language = $this->languages->get( $args['lang'] ); |
| 430 |
if ( ! $language instanceof PLL_Language ) { |
| 431 |
return new WP_Error( 'invalid_language', __( 'Please provide a valid language.', 'polylang' ) ); |
| 432 |
} |
| 433 |
|
| 434 |
$this->set_language( $term_id, $language ); |
| 435 |
} |
| 436 |
|
| 437 |
$parent = $args['parent'] ?? $term->parent; |
| 438 |
$this->toggle_inserted_term_filters( $language, $parent ); |
| 439 |
$term = wp_update_term( $term->term_id, $term->taxonomy, $args ); |
| 440 |
$this->toggle_inserted_term_filters( $language, $parent ); |
| 441 |
|
| 442 |
if ( is_wp_error( $term ) ) { |
| 443 |
// Something went wrong! |
| 444 |
return $term; |
| 445 |
} |
| 446 |
|
| 447 |
if ( ! empty( $args['translations'] ) ) { |
| 448 |
$this->save_translations( $term_id, $args['translations'] ); |
| 449 |
} |
| 450 |
|
| 451 |
return $term; |
| 452 |
} |
| 453 |
|
| 454 |
/** |
| 455 |
* Toggles Polylang term slug filters management. |
| 456 |
* Must be used before and after any term slug modification or insertion. |
| 457 |
* |
| 458 |
* @since 3.7 |
| 459 |
* |
| 460 |
* @param PLL_Language $language The language to use. |
| 461 |
* @param int $parent The parent term id to use. |
| 462 |
* @return void |
| 463 |
*/ |
| 464 |
private function toggle_inserted_term_filters( PLL_Language $language, int $parent ): void { |
| 465 |
static $callbacks = array(); |
| 466 |
if ( isset( $callbacks[ $language->slug ], $callbacks[ (string) $parent ] ) ) { |
| 467 |
// Clean up! |
| 468 |
remove_filter( 'pll_inserted_term_language', $callbacks[ $language->slug ] ); |
| 469 |
remove_filter( 'pll_inserted_term_parent', $callbacks[ (string) $parent ] ); |
| 470 |
unset( $callbacks[ $language->slug ], $callbacks[ (string) $parent ] ); |
| 471 |
return; |
| 472 |
} |
| 473 |
|
| 474 |
$callbacks[ $language->slug ] = function () use ( $language ) { |
| 475 |
return $language; |
| 476 |
}; |
| 477 |
$callbacks[ (string) $parent ] = function () use ( $parent ) { |
| 478 |
return $parent; |
| 479 |
}; |
| 480 |
|
| 481 |
// Set term parent and language for suffixed slugs. |
| 482 |
add_filter( 'pll_inserted_term_language', $callbacks[ $language->slug ] ); |
| 483 |
add_filter( 'pll_inserted_term_parent', $callbacks[ (string) $parent ] ); |
| 484 |
} |
| 485 |
} |
| 486 |
|
