549 lines
19 KiB
PHP
549 lines
19 KiB
PHP
<?php
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/**
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* @package Polylang
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*/
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/**
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* Extends the PLL_Model class with methods needed only in Polylang settings pages.
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*
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* @since 1.2
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*/
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class PLL_Admin_Model extends PLL_Model {
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/**
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* Adds a new language
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* and creates a default category for this language.
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*
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* @since 1.2
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*
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* @param array $args {
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* @type string $name Language name ( used only for display ).
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* @type string $slug Language code ( ideally 2-letters ISO 639-1 language code ).
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* @type string $locale WordPress locale. If something wrong is used for the locale, the .mo files will not be loaded...
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* @type int $rtl 1 if rtl language, 0 otherwise.
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* @type int $term_group Language order when displayed.
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* @type string $no_default_cat Optional, if set, no default category will be created for this language.
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* @type string $flag Optional, country code, @see flags.php.
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* }
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* @return WP_Error|true true if success / WP_Error if failed.
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*/
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public function add_language( $args ) {
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$errors = $this->validate_lang( $args );
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if ( $errors->get_error_code() ) { // Using has_errors() would be more meaningful but is available only since WP 5.0
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return $errors;
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}
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// First the language taxonomy
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$description = maybe_serialize( array( 'locale' => $args['locale'], 'rtl' => (int) $args['rtl'], 'flag_code' => empty( $args['flag'] ) ? '' : $args['flag'] ) );
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$r = wp_insert_term( $args['name'], 'language', array( 'slug' => $args['slug'], 'description' => $description ) );
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if ( is_wp_error( $r ) ) {
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// Avoid an ugly fatal error if something went wrong ( reported once in the forum )
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return new WP_Error( 'pll_add_language', __( 'Impossible to add the language.', 'polylang' ) );
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}
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wp_update_term( (int) $r['term_id'], 'language', array( 'term_group' => (int) $args['term_group'] ) ); // can't set the term group directly in wp_insert_term
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// The term_language taxonomy
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// Don't want shared terms so use a different slug
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wp_insert_term( $args['name'], 'term_language', array( 'slug' => 'pll_' . $args['slug'] ) );
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$this->clean_languages_cache(); // Update the languages list now !
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if ( ! isset( $this->options['default_lang'] ) ) {
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// If this is the first language created, set it as default language
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$this->options['default_lang'] = $args['slug'];
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update_option( 'polylang', $this->options );
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}
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// Init a mo_id for this language
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$mo = new PLL_MO();
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$mo->export_to_db( $this->get_language( $args['slug'] ) );
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/**
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* Fires when a language is added.
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*
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* @since 1.9
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*
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* @param array $args Arguments used to create the language. @see PLL_Admin_Model::add_language().
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*/
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do_action( 'pll_add_language', $args );
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$this->clean_languages_cache(); // Again to set add mo_id in the cached languages list
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flush_rewrite_rules(); // Refresh rewrite rules
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return true;
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}
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/**
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* Delete a language.
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*
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* @since 1.2
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*
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* @param int $lang_id Language term_id.
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* @return bool
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*/
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public function delete_language( $lang_id ) {
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$lang = $this->get_language( (int) $lang_id );
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if ( empty( $lang ) ) {
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return false;
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}
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// Oops ! we are deleting the default language...
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// Need to do this before loosing the information for default category translations
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if ( $this->options['default_lang'] == $lang->slug ) {
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$slugs = $this->get_languages_list( array( 'fields' => 'slug' ) );
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$slugs = array_diff( $slugs, array( $lang->slug ) );
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if ( ! empty( $slugs ) ) {
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$this->update_default_lang( reset( $slugs ) ); // Arbitrary choice...
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} else {
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unset( $this->options['default_lang'] );
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}
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}
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// Delete the translations
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$this->update_translations( $lang->slug );
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// Delete language option in widgets
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foreach ( $GLOBALS['wp_registered_widgets'] as $widget ) {
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if ( ! empty( $widget['callback'][0] ) && ! empty( $widget['params'][0]['number'] ) ) {
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$obj = $widget['callback'][0];
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$number = $widget['params'][0]['number'];
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if ( is_object( $obj ) && method_exists( $obj, 'get_settings' ) && method_exists( $obj, 'save_settings' ) ) {
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$settings = $obj->get_settings();
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if ( isset( $settings[ $number ]['pll_lang'] ) && $settings[ $number ]['pll_lang'] == $lang->slug ) {
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unset( $settings[ $number ]['pll_lang'] );
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$obj->save_settings( $settings );
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}
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}
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}
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}
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// Delete menus locations
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if ( ! empty( $this->options['nav_menus'] ) ) {
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foreach ( $this->options['nav_menus'] as $theme => $locations ) {
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foreach ( array_keys( $locations ) as $location ) {
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unset( $this->options['nav_menus'][ $theme ][ $location ][ $lang->slug ] );
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}
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}
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}
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// Delete users options
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foreach ( get_users( array( 'fields' => 'ID' ) ) as $user_id ) {
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delete_user_meta( $user_id, 'pll_filter_content', $lang->slug );
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delete_user_meta( $user_id, 'description_' . $lang->slug );
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}
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// Delete the string translations
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$post = wpcom_vip_get_page_by_title( 'polylang_mo_' . $lang->term_id, OBJECT, 'polylang_mo' );
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if ( $post instanceof WP_Post ) {
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wp_delete_post( $post->ID );
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}
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// Delete domain
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unset( $this->options['domains'][ $lang->slug ] );
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// Delete the language itself
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wp_delete_term( $lang->term_id, 'language' );
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wp_delete_term( $lang->tl_term_id, 'term_language' );
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// Update languages list
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$this->clean_languages_cache();
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update_option( 'polylang', $this->options );
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flush_rewrite_rules(); // refresh rewrite rules
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return true;
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}
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/**
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* Updates language properties.
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*
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* @since 1.2
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*
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* @param array $args {
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* @type int $lang_id Id of the language to modify.
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* @type string $name Language name ( used only for display ).
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* @type string $slug Language code ( ideally 2-letters ISO 639-1 language code ).
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* @type string $locale WordPress locale. If something wrong is used for the locale, the .mo files will not be loaded...
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* @type int $rtl 1 if rtl language, 0 otherwise.
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* @type int $term_group Language order when displayed.
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* @type string $flag Optional, country code, @see flags.php.
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* }
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* @return WP_Error|true true if success / WP_Error if failed.
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*/
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public function update_language( $args ) {
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$lang = $this->get_language( (int) $args['lang_id'] );
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$errors = $this->validate_lang( $args, $lang );
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if ( $errors->get_error_code() ) { // Using has_errors() would be more meaningful but is available only since WP 5.0
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return $errors;
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}
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// Update links to this language in posts and terms in case the slug has been modified
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$slug = $args['slug'];
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$old_slug = $lang->slug;
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if ( $old_slug != $slug ) {
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// Update the language slug in translations
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$this->update_translations( $old_slug, $slug );
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// Update language option in widgets
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foreach ( $GLOBALS['wp_registered_widgets'] as $widget ) {
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if ( ! empty( $widget['callback'][0] ) && ! empty( $widget['params'][0]['number'] ) ) {
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$obj = $widget['callback'][0];
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$number = $widget['params'][0]['number'];
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if ( is_object( $obj ) && method_exists( $obj, 'get_settings' ) && method_exists( $obj, 'save_settings' ) ) {
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$settings = $obj->get_settings();
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if ( isset( $settings[ $number ]['pll_lang'] ) && $settings[ $number ]['pll_lang'] == $old_slug ) {
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$settings[ $number ]['pll_lang'] = $slug;
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$obj->save_settings( $settings );
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}
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}
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}
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}
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// Update menus locations
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if ( ! empty( $this->options['nav_menus'] ) ) {
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foreach ( $this->options['nav_menus'] as $theme => $locations ) {
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foreach ( array_keys( $locations ) as $location ) {
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if ( ! empty( $this->options['nav_menus'][ $theme ][ $location ][ $old_slug ] ) ) {
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$this->options['nav_menus'][ $theme ][ $location ][ $slug ] = $this->options['nav_menus'][ $theme ][ $location ][ $old_slug ];
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unset( $this->options['nav_menus'][ $theme ][ $location ][ $old_slug ] );
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}
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}
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}
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}
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// Update domains
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if ( ! empty( $this->options['domains'][ $old_slug ] ) ) {
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$this->options['domains'][ $slug ] = $this->options['domains'][ $old_slug ];
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unset( $this->options['domains'][ $old_slug ] );
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}
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// Update the default language option if necessary
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if ( $this->options['default_lang'] == $old_slug ) {
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$this->options['default_lang'] = $slug;
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}
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}
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update_option( 'polylang', $this->options );
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// And finally update the language itself
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$description = maybe_serialize( array( 'locale' => $args['locale'], 'rtl' => (int) $args['rtl'], 'flag_code' => empty( $args['flag'] ) ? '' : $args['flag'] ) );
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wp_update_term( (int) $lang->term_id, 'language', array( 'slug' => $slug, 'name' => $args['name'], 'description' => $description, 'term_group' => (int) $args['term_group'] ) );
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if ( empty( $lang->tl_term_id ) ) {
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// Attempt to repair the term_language if it has been deleted by a database cleaning tool.
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wp_insert_term( $args['name'], 'term_language', array( 'slug' => 'pll_' . $slug ) );
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} else {
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wp_update_term( (int) $lang->tl_term_id, 'term_language', array( 'slug' => 'pll_' . $slug, 'name' => $args['name'] ) );
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}
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/**
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* Fires when a language is updated.
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*
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* @since 1.9
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*
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* @param array $args Arguments used to modify the language. @see PLL_Admin_Model::update_language().
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*/
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do_action( 'pll_update_language', $args );
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$this->clean_languages_cache();
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flush_rewrite_rules(); // Refresh rewrite rules
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return true;
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}
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/**
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* Validates data entered when creating or updating a language.
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*
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* @see PLL_Admin_Model::add_language().
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*
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* @since 0.4
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*
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* @param array $args Parameters of {@see PLL_Admin_Model::add_language() or @see PLL_Admin_Model::update_language()}.
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* @param PLL_Language $lang Optional the language currently updated, the language is created if not set.
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* @return WP_Error
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*/
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protected function validate_lang( $args, $lang = null ) {
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$errors = new WP_Error();
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// Validate locale with the same pattern as WP 4.3. See #28303
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if ( ! preg_match( '#^[a-z]{2,3}(?:_[A-Z]{2})?(?:_[a-z0-9]+)?$#', $args['locale'], $matches ) ) {
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$errors->add( 'pll_invalid_locale', __( 'Enter a valid WordPress locale', 'polylang' ) );
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}
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// Validate slug characters
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if ( ! preg_match( '#^[a-z_-]+$#', $args['slug'] ) ) {
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$errors->add( 'pll_invalid_slug', __( 'The language code contains invalid characters', 'polylang' ) );
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}
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// Validate slug is unique
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foreach ( $this->get_languages_list() as $language ) {
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if ( $language->slug === $args['slug'] && ( null === $lang || $lang->term_id !== $language->term_id ) ) {
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$errors->add( 'pll_non_unique_slug', __( 'The language code must be unique', 'polylang' ) );
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}
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}
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// Validate name
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// No need to sanitize it as wp_insert_term will do it for us
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if ( empty( $args['name'] ) ) {
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$errors->add( 'pll_invalid_name', __( 'The language must have a name', 'polylang' ) );
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}
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// Validate flag
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if ( ! empty( $args['flag'] ) && ! file_exists( POLYLANG_DIR . '/flags/' . $args['flag'] . '.png' ) ) {
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$flag = PLL_Language::get_flag_informations( $args['flag'] );
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if ( ! empty( $flag['url'] ) ) {
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$response = function_exists( 'vip_safe_wp_remote_get' ) ? vip_safe_wp_remote_get( esc_url_raw( $flag['url'] ) ) : wp_remote_get( esc_url_raw( $flag['url'] ) );
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}
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if ( empty( $response ) || is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
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$errors->add( 'pll_invalid_flag', __( 'The flag does not exist', 'polylang' ) );
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}
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}
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return $errors;
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}
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/**
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* Assigns a language to posts or terms in mass.
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*
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* @since 1.2
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*
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* @param string $type Either 'post' or 'term'.
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* @param int[] $ids Array of post ids or term ids.
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* @param PLL_Language|string $lang Language to assign to the posts or terms.
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* @return void
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*/
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public function set_language_in_mass( $type, $ids, $lang ) {
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global $wpdb;
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$lang = $this->get_language( $lang );
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if ( empty( $lang ) ) {
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return;
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}
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$tt_id = 'term' === $type ? $lang->tl_term_taxonomy_id : $lang->term_taxonomy_id;
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$values = array();
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$ids = array_map( 'intval', $ids );
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foreach ( $ids as $id ) {
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$values[] = $wpdb->prepare( '( %d, %d )', $id, $tt_id );
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}
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if ( ! empty( $values ) ) {
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// PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
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$wpdb->query( "INSERT INTO {$wpdb->term_relationships} ( object_id, term_taxonomy_id ) VALUES " . implode( ',', array_unique( $values ) ) );
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$lang->update_count(); // Updating term count is mandatory ( thanks to AndyDeGroo )
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}
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if ( 'term' === $type ) {
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clean_term_cache( $ids, 'term_language' );
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$translations = array();
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foreach ( $ids as $id ) {
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$translations[] = array( $lang->slug => $id );
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}
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if ( ! empty( $translations ) ) {
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$this->set_translation_in_mass( 'term', $translations );
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}
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} else {
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clean_term_cache( $ids, 'language' );
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}
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}
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/**
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* Creates translations groups in mass.
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*
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* @since 1.6.3
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*
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* @param string $type Either 'post' or 'term'
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* @param array $translations Array of translations arrays.
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* @return void
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*/
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public function set_translation_in_mass( $type, $translations ) {
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global $wpdb;
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$taxonomy = $type . '_translations';
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$terms = array();
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$slugs = array();
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$description = array();
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$count = array();
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foreach ( $translations as $t ) {
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$term = uniqid( 'pll_' ); // the term name
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$terms[] = $wpdb->prepare( '( %s, %s )', $term, $term );
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$slugs[] = $wpdb->prepare( '%s', $term );
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$description[ $term ] = maybe_serialize( $t );
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$count[ $term ] = count( $t );
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}
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// Insert terms
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if ( ! empty( $terms ) ) {
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// PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
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$wpdb->query( "INSERT INTO {$wpdb->terms} ( slug, name ) VALUES " . implode( ',', array_unique( $terms ) ) );
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}
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// Get all terms with their term_id
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// PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
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$terms = $wpdb->get_results( "SELECT term_id, slug FROM {$wpdb->terms} WHERE slug IN ( " . implode( ',', $slugs ) . ' )' );
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$term_ids = array();
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$tts = array();
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// Prepare terms taxonomy relationship
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foreach ( $terms as $term ) {
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$term_ids[] = $term->term_id;
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$tts[] = $wpdb->prepare( '( %d, %s, %s, %d )', $term->term_id, $taxonomy, $description[ $term->slug ], $count[ $term->slug ] );
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}
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// Insert term_taxonomy
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if ( ! empty( $tts ) ) {
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// PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
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$wpdb->query( "INSERT INTO {$wpdb->term_taxonomy} ( term_id, taxonomy, description, count ) VALUES " . implode( ',', array_unique( $tts ) ) );
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}
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// Get all terms with term_taxonomy_id
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$terms = get_terms( $taxonomy, array( 'hide_empty' => false ) );
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$trs = array();
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// Prepare objects relationships.
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if ( is_array( $terms ) ) {
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foreach ( $terms as $term ) {
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$t = maybe_unserialize( $term->description );
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if ( in_array( $t, $translations ) ) {
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foreach ( $t as $object_id ) {
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if ( ! empty( $object_id ) ) {
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$trs[] = $wpdb->prepare( '( %d, %d )', $object_id, $term->term_taxonomy_id );
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}
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}
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}
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}
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}
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// Insert term_relationships
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if ( ! empty( $trs ) ) {
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// PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
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$wpdb->query( "INSERT INTO {$wpdb->term_relationships} ( object_id, term_taxonomy_id ) VALUES " . implode( ',', $trs ) );
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$trs = array_unique( $trs );
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}
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clean_term_cache( $term_ids, $taxonomy );
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}
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/**
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* Updates the translations when a language slug has been modified in settings
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* or deletes them when a language is removed.
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*
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* @since 0.5
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*
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* @param string $old_slug The old language slug.
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* @param string $new_slug Optional, the new language slug, if not set it means that the language has been deleted.
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* @return void
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*/
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public function update_translations( $old_slug, $new_slug = '' ) {
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global $wpdb;
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$terms = get_terms( array( 'post_translations', 'term_translations' ) );
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$term_ids = array();
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$dr = array();
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$dt = array();
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|
$ut = array();
|
|
|
|
if ( is_array( $terms ) ) {
|
|
foreach ( $terms as $term ) {
|
|
$term_ids[ $term->taxonomy ][] = $term->term_id;
|
|
$tr = maybe_unserialize( $term->description );
|
|
if ( ! empty( $tr[ $old_slug ] ) ) {
|
|
if ( $new_slug ) {
|
|
$tr[ $new_slug ] = $tr[ $old_slug ]; // Suppress this for delete
|
|
} else {
|
|
$dr['id'][] = (int) $tr[ $old_slug ];
|
|
$dr['tt'][] = (int) $term->term_taxonomy_id;
|
|
}
|
|
unset( $tr[ $old_slug ] );
|
|
|
|
if ( empty( $tr ) || 1 == count( $tr ) ) {
|
|
$dt['t'][] = (int) $term->term_id;
|
|
$dt['tt'][] = (int) $term->term_taxonomy_id;
|
|
} else {
|
|
$ut['case'][] = $wpdb->prepare( 'WHEN %d THEN %s', $term->term_id, maybe_serialize( $tr ) );
|
|
$ut['in'][] = (int) $term->term_id;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Delete relationships
|
|
if ( ! empty( $dr ) ) {
|
|
// PHPCS:disable WordPress.DB.PreparedSQL.NotPrepared
|
|
$wpdb->query(
|
|
"DELETE FROM $wpdb->term_relationships
|
|
WHERE object_id IN ( " . implode( ',', $dr['id'] ) . ' )
|
|
AND term_taxonomy_id IN ( ' . implode( ',', $dr['tt'] ) . ' )'
|
|
);
|
|
// PHPCS:enable
|
|
}
|
|
|
|
// Delete terms
|
|
if ( ! empty( $dt ) ) {
|
|
$wpdb->query( "DELETE FROM $wpdb->terms WHERE term_id IN ( " . implode( ',', $dt['t'] ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
|
|
$wpdb->query( "DELETE FROM $wpdb->term_taxonomy WHERE term_taxonomy_id IN ( " . implode( ',', $dt['tt'] ) . ' )' ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
|
|
}
|
|
|
|
// Update terms
|
|
if ( ! empty( $ut ) ) {
|
|
// PHPCS:disable WordPress.DB.PreparedSQL.NotPrepared
|
|
$wpdb->query(
|
|
"UPDATE $wpdb->term_taxonomy
|
|
SET description = ( CASE term_id " . implode( ' ', $ut['case'] ) . ' END )
|
|
WHERE term_id IN ( ' . implode( ',', $ut['in'] ) . ' )'
|
|
);
|
|
// PHPCS:enable
|
|
}
|
|
|
|
if ( ! empty( $term_ids ) ) {
|
|
foreach ( $term_ids as $taxonomy => $ids ) {
|
|
clean_term_cache( $ids, $taxonomy );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates the default language
|
|
* taking care to update the default category & the nav menu locations.
|
|
*
|
|
* @since 1.8
|
|
*
|
|
* @param string $slug New language slug.
|
|
* @return void
|
|
*/
|
|
public function update_default_lang( $slug ) {
|
|
// The nav menus stored in theme locations should be in the default language
|
|
$theme = get_stylesheet();
|
|
if ( ! empty( $this->options['nav_menus'][ $theme ] ) ) {
|
|
$menus = array();
|
|
|
|
foreach ( $this->options['nav_menus'][ $theme ] as $key => $loc ) {
|
|
$menus[ $key ] = empty( $loc[ $slug ] ) ? 0 : $loc[ $slug ];
|
|
}
|
|
set_theme_mod( 'nav_menu_locations', $menus );
|
|
}
|
|
|
|
/**
|
|
* Fires when a default language is updated.
|
|
*
|
|
* @since 3.1
|
|
*
|
|
* @param string $slug Slug.
|
|
*/
|
|
do_action( 'pll_update_default_lang', $slug );
|
|
|
|
// Update options
|
|
$this->options['default_lang'] = $slug;
|
|
update_option( 'polylang', $this->options );
|
|
|
|
$this->clean_languages_cache();
|
|
flush_rewrite_rules();
|
|
}
|
|
}
|