[TASK] Both Languages are now sent in the preview mail, if they are different

Classes/Controller/MailController.php

@@ -260,9 +260,10 @@ class MailController extends ActionController {
 	 * @param string $selectedTemplateKey
 	 * @param string $selectedExtensionKey
 	 * @param string $selectedLanguageLeft
+	 * @param string $selectedLanguageRight
 	 */
 	public function sendTestMailAction(
-		$emailAddress, $selectedExtensionKey, $selectedTemplateKey, $selectedLanguageLeft
+		$emailAddress, $selectedExtensionKey, $selectedTemplateKey, $selectedLanguageLeft, $selectedLanguageRight
 	) {
 
 		if (!filter_var($this->settings['mail']['test']['from'], FILTER_VALIDATE_EMAIL)) {
@@ -282,8 +283,21 @@ class MailController extends ActionController {
 		$mailTemplateService->setSubject($this->settings['mail']['test']['subject']);
 		$mailTemplateService->setTemplateName($selectedTemplateKey);
 		$mailTemplateService->setExtensionKey($selectedExtensionKey);
+		$mailIsSend = $mailTemplateService->sendEmail(TRUE);
+
+		if ($selectedLanguageRight !== $selectedLanguageLeft) {
+			/** @var \SGalinski\SgMail\Service\MailTemplateService $mailTemplateService */
+			$mailTemplateService = $objectManager->get(MailTemplateService::class);
+			$mailTemplateService->setLanguage($selectedLanguageRight);
+			$mailTemplateService->setToAddresses($emailAddress);
+			$mailTemplateService->setFromAddress($this->settings['mail']['test']['from']);
+			$mailTemplateService->setSubject($this->settings['mail']['test']['subject']);
+			$mailTemplateService->setTemplateName($selectedTemplateKey);
+			$mailTemplateService->setExtensionKey($selectedExtensionKey);
+			$mailIsSend = $mailTemplateService->sendEmail(TRUE);
+		}
 
-		if ($mailTemplateService->sendEmail(true)) {
+		if ($mailIsSend) {
 			$message = LocalizationUtility::translate('backend.success_mail', 'sg_mail');
 			$this->addFlashMessage($message, '', FlashMessage::OK);
 		} else {