class-wpml-ls-display-as-translated-link.php
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<?php
/**
* Created by PhpStorm.
* User: bruce
* Date: 17/10/17
* Time: 10:56 PM
*/
use WPML\FP\Obj;
class WPML_LS_Display_As_Translated_Link {
/** @var SitePress $sitepress */
private $sitepress;
/** @var IWPML_URL_Converter_Strategy $url_converter */
private $url_converter;
/** @var WP_Query $wp_query */
private $wp_query;
/** @var WPML_Translation_Element_Factory $element_factory */
private $element_factory;
/** @var string $default_language */
private $default_language;
/** @var string $processed_language */
private $processed_language;
public function __construct(
SitePress $sitepress,
IWPML_URL_Converter_Strategy $url_converter,
WP_Query $wp_query,
WPML_Translation_Element_Factory $element_factory
) {
$this->sitepress = $sitepress;
$this->url_converter = $url_converter;
$this->wp_query = $wp_query;
$this->element_factory = $element_factory;
$this->default_language = $sitepress->get_default_language();
}
public function get_url( $translations, $lang ) {
$queried_object = $this->wp_query->get_queried_object();
if ( $queried_object instanceof WP_Post ) {
return $this->get_post_url( $translations, $lang, $queried_object );
} elseif ( $queried_object instanceof WP_Term ) {
return $this->get_term_url( $translations, $lang, $queried_object );
} else {
return null;
}
}
private function get_post_url( $translations, $lang, $queried_object ) {
$url = null;
if ( $this->sitepress->is_display_as_translated_post_type( $queried_object->post_type ) &&
isset( $translations[ $this->default_language ] ) ) {
$this->sitepress->switch_lang( $this->default_language );
$this->processed_language = $lang;
$setLanguageCode = Obj::set( Obj::lensProp( 'language_code' ), $lang );
add_filter( 'post_link_category', array( $this, 'adjust_category_in_post_permalink' ) );
add_filter( 'wpml_st_post_type_link_filter_language_details', $setLanguageCode );
$url = get_permalink( $translations[ $this->default_language ]->element_id );
remove_filter( 'wpml_st_post_type_link_filter_language_details', $setLanguageCode );
remove_filter( 'post_link_category', array( $this, 'adjust_category_in_post_permalink' ) );
$this->sitepress->switch_lang();
$url = $this->url_converter->convert_url_string( $url, $lang );
}
return $url;
}
private function get_term_url( $translations, $lang, $queried_object ) {
$url = null;
if ( $this->sitepress->is_display_as_translated_taxonomy( $queried_object->taxonomy ) &&
isset( $translations[ $this->default_language ] ) ) {
$url = get_term_link( (int) $translations[ $this->default_language ]->term_id, $queried_object->taxonomy );
$url = $this->url_converter->convert_url_string( $url, $lang );
}
return $url;
}
/**
* The permalink needs to be adjusted when the URL structure contains the category tag (%category%).
*
* @param WP_Term $cat
*
* @return WP_Term
*/
public function adjust_category_in_post_permalink( $cat ) {
$cat_element = $this->element_factory->create( $cat->term_id, 'term' );
$translation = $cat_element->get_translation( $this->processed_language );
if ( $translation ) {
$cat = $translation->get_wp_object() ?: $cat;
}
return $cat;
}
}