[TASK] Moving some code to service class

Classes/Controller/QueueController.php

@@ -83,23 +83,8 @@ class QueueController extends ActionController {
 			$this->view->assign('selectedTemplateKey', $selectedTemplate);
 			$this->view->assign('selectedExtensionKey', $selectedExtension);
 			$this->view->assign('templates', $registerArray);
-
-			$templates = [];
-			foreach ($registerArray as $extensions) {
-				foreach ($extensions as $template => $key) {
-					$templates[$key['templateName']] = $key['templateName'];
-				}
-			}
-			array_unshift($templates, '');
-			$this->view->assign('templatesFilter', $templates);
-
-			$languages = BackendService::getLanguages();
-			array_unshift($languages, '');
-			$templateLanguages = [];
-			foreach($languages as $key => $value) {
-				$templateLanguages[$value] = $value;
-			}
-			$this->view->assign('languages', $templateLanguages);
+			$this->view->assign('templatesFilter', BackendService::getTemplatesForFilter());
+			$this->view->assign('languages', BackendService::getLanguagesForFilter());
 
 			$this->view->assign('mode', 'queue');
 			if (!$filters['sent']) {

Classes/Service/BackendService.php

@@ -259,4 +259,39 @@ class BackendService {
 
 		return $translatedSubjects;
 	}
+
+	/**
+	 * Get the languages in an array suitable for filtering
+	 *
+	 * @return array
+	 * @throws \InvalidArgumentException
+	 */
+	public static function getLanguagesForFilter() {
+		$languages = self::getLanguages();
+		array_unshift($languages, '');
+		$filterLanguages = [];
+		foreach ($languages as $key => $value) {
+			$filterLanguages[$value] = $value;
+		}
+
+		return $filterLanguages;
+	}
+
+	/**
+	 *	Get the template keys in an array suitable for filtering
+	 *
+	 * @return array
+	 */
+	public static function getTemplatesForFilter() {
+		$registerArray = MailTemplateService::getRegisterArray();
+		$templates = [];
+		foreach ($registerArray as $extensions) {
+			foreach ($extensions as $template => $key) {
+				$templates[$key['templateName']] = $key['templateName'];
+			}
+		}
+		array_unshift($templates, '');
+
+		return $templates;
+	}
 }