[TASK] Creating hook into formhandler in its own class

Classes/Service/FormhandlerFinisherService.php

+<?php
+namespace SGalinski\SgMail\Service;
+
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Lang\LanguageService;
+use Typoheads\Formhandler\Finisher\AbstractFinisher;
+
+/***************************************************************
+ *  Copyright notice
+ *
+ *  (c) sgalinski Internet Services (https://www.sgalinski.de)
+ *
+ *  All rights reserved
+ *
+ *  This script is part of the TYPO3 project. The TYPO3 project is
+ *  free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The GNU General Public License can be found at
+ *  http://www.gnu.org/copyleft/gpl.html.
+ *
+ *  This script is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  This copyright notice MUST APPEAR in all copies of the script!
+ ***************************************************************/
+
+/**
+ * Class FormhandlerFinisherService
+ *
+ * @package SGalinski\SgMail\Service
+ */
+class FormhandlerFinisherService extends AbstractFinisher {
+
+	/**
+	 * Hook into Formhandler, sets config and form input
+	 * gets called in the finisher of the typoscript
+	 * redirects to process() function
+	 *
+	 * @param array $formInput
+	 * @param array $tsConfig
+	 */
+	public function init($formInput, $settings) {
+		$this->gp = $formInput;
+		foreach ($formInput as &$userInput) {
+			GeneralUtility::removeXSS($userInput);
+		}
+
+		$this->settings = $settings;
+	}
+
+	/**
+	 *  Redirect Formhandler input to send Email Function
+	 *  Needed to hook into Formhandler
+	 */
+	public function process() {
+		/** @var $translator LanguageService */
+		$translator = (TYPO3_MODE === 'FE' ? $GLOBALS['TSFE'] : $GLOBALS['LANG']);
+		$subject = $translator->sL($this->settings['subject'], TRUE);
+
+		$toAddress = $this->settings['to_address'];
+		if ($toAddress === 'email') {
+			$toAddress = $this->gp['email'];
+		}
+
+		MailTemplateService::sendEmail(
+			'en', $this->settings['template_key'], $this->settings['extension_key'], $toAddress,
+			$this->settings['from_address'], $subject, $this->gp, $this->settings['ignore_mail_queue']
+		);
+		return $this->gp;
+	}
+
+	/**
+	 * Needed to hook into Formhandler
+	 * simply returns true
+	 */
+	public function validateConfig() {
+		parent::validateConfig();
+	}
+
+}

Classes/Service/MailTemplateService.php

@@ -38,59 +38,13 @@ use Typoheads\Formhandler\Finisher\AbstractFinisher;
 /**
  * MailTemplateService
  */
-class MailTemplateService extends AbstractFinisher {
+class MailTemplateService {
 
 	/**
 	 * @var array
 	 */
 	private static $registerArray = [];
 
-	/**
-	 * Hook into Formhandler, sets config and form input
-	 * gets called in the finisher of the typoscript
-	 * redirects to process() function
-	 *
-	 * @param $formInput
-	 * @param $tsConfig
-	 */
-	public function init($formInput, $tsConfig) {
-		$this->gp = $formInput;
-		foreach ($formInput as &$userInput) {
-			GeneralUtility::removeXSS($userInput);
-		}
-
-		$this->tsConfig = $tsConfig;
-	}
-
-	/**
-	 *  Redirect Formhandler input to send Email Function
-	 *  Needed to hook into Formhandler
-	 */
-	public function process() {
-		/** @var $translator LanguageService */
-		$translator = (TYPO3_MODE === 'FE' ? $GLOBALS['TSFE'] : $GLOBALS['LANG']);
-		$subject = $translator->sL($this->tsConfig['subject'], TRUE);
-
-		$toAddress = $this->tsConfig['to_address'];
-		if ($toAddress === 'email') {
-			$toAddress = $this->gp['email'];
-		}
-
-		self::sendEmail(
-			'en', $this->tsConfig['template_key'], $this->tsConfig['extension_key'], $toAddress,
-			$this->tsConfig['from_address'], $subject, $this->gp, $this->tsConfig['ignore_mail_queue']
-		);
-		return $this->gp;
-	}
-
-	/**
-	 * Needed to hook into Formhandler
-	 * simply returns true
-	 */
-	public function validateConfig() {
-		parent::validateConfig();
-	}
-
 	/**
 	 * register a template with sg_mail
 	 *