first commit

wp-content/plugins/sitepress-multilingual-cms/classes/language/Detection/Frontend.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace WPML\Language\Detection;
+
+use WPML\FP\Maybe;
+use WPML\FP\Obj;
+use \WPML_Request;
+use \WPML_WP_Comments;
+use function WPML\FP\System\filterVar;
+
+/**
+ * @package    wpml-core
+ * @subpackage wpml-requests
+ */
+class Frontend extends WPML_Request {
+	/** @var \WPML_WP_API */
+	private $wp_api;
+
+	public function __construct(
+		\WPML_URL_Converter $url_converter,
+		$active_languages,
+		$default_language,
+		CookieLanguage $cookieLanguage,
+		\WPML_WP_API $wp_api
+	) {
+		parent::__construct( $url_converter, $active_languages, $default_language, $cookieLanguage );
+		$this->wp_api = $wp_api;
+	}
+
+
+	public function get_requested_lang() {
+		return $this->wp_api->is_comments_post_page() ? $this->get_comment_language() : $this->get_request_uri_lang();
+	}
+
+	/**
+	 * @return string
+	 */
+	private function get_comment_language() {
+		return Maybe::of( $_POST )
+					->map( Obj::prop( WPML_WP_Comments::LANG_CODE_FIELD ) )
+					->map( filterVar( FILTER_SANITIZE_SPECIAL_CHARS ) )
+					->getOrElse( $this->default_language );
+
+	}
+
+	protected function get_cookie_name() {
+		return $this->cookieLanguage->getFrontendCookieName();
+	}
+}