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31 changes: 28 additions & 3 deletions wp-rest-polylang.php
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
* Description: Polylang integration for the WP REST API
* Author: Marc-Antoine Ruel
* Author URI: https://www.marcantoineruel.com
* Version: 1.0.0
* Version: 1.1.0
* Plugin URI: https://github.com/maru3l/wp-rest-polylang
* License: gpl-3.0
*/
Expand Down Expand Up @@ -32,7 +32,7 @@ public static function getInstance() {
return self::$instance;
}

public static function init() {
public function init() {
global $polylang;

if (isset($_GET['lang'])) {
Expand All @@ -42,12 +42,20 @@ public static function init() {
}

$post_types = get_post_types( array( 'public' => true ), 'names' );

foreach( $post_types as $post_type ) {
if (pll_is_translated_post_type( $post_type )) {
self::register_api_field($post_type);
}
}

$taxonomies = get_taxonomies(['show_in_rest' => true], 'names');

foreach ($taxonomies as $taxonomy) {
if (pll_is_translated_taxonomy($taxonomy)) {
self::register_api_taxonomy($taxonomy);
}
}
}

public function register_api_field($post_type) {
Expand All @@ -70,10 +78,27 @@ public function register_api_field($post_type) {
);
}

public function register_api_taxonomy($taxonomy)
{
register_rest_field(
$taxonomy,
"polylang_current_lang",
array(
"get_callback" => array($this, "get_current_taxonomy_lang"),
"schema" => null,
)
);
}

public function get_current_lang( $object ) {
return pll_get_post_language($object['id'], 'locale');
}

public function get_current_taxonomy_lang($object)
{
return pll_get_term_language($object['id'], 'locale');
}

public function get_translations( $object ) {
$translations = pll_get_post_translations($object['id']);

Expand Down