Flow3 email rendering service

gistfile1.php

use TYPO3\FLOW3\Annotations as FLOW3;

/**
 * A email rendering service
 *
 * @FLOW3\Scope("singleton")
 */
class Email {

	/**
	 * @var \TYPO3\FLOW3\Mvc\Controller\ControllerContext
	 */
	protected $controllerContext;

	/**
	 * @var array
	 */
	protected $settings;

	/**
	 * @param array $settings
	 * @return void
	 */
	public function injectSettings(array $settings) {
		$this->settings = $settings;
	}

	/**
	 * @param \TYPO3\FLOW3\Mvc\Controller\ControllerContext $controllerContext
	 * @return void
	 */
	public function setControllerContext(\TYPO3\FLOW3\Mvc\Controller\ControllerContext $controllerContext) {
		$this->controllerContext = $controllerContext;
	}

	/**
	 * This getter is necessary to do proper unit testing
	 * @return \TYPO3\Fluid\View\StandaloneView
	 */
	protected function getView() {
		return new \TYPO3\Fluid\View\StandaloneView();
	}

	/**
	 * Renders a Fluid template and returns the rendered string
	 *
	 * @param string $template The name of the template to render
	 * @param array $templateVariables The variables that are used within the template
	 * @return string
	 */
	protected function render($template, $templateVariables = array()) {
		$view = $this->getView();
		if ($this->controllerContext === NULL) {
			$view->initializeObject();
		} else {
			$view->setControllerContext($this->controllerContext);
		}

		if (!isset($this->settings['email']['layoutRootPath'])) {
			$layoutRootPath = 'resource://' . $this->controllerContext->getRequest()->getControllerPackageKey() . '/Private/Layouts';
		} else {
			$layoutRootPath = 'resource://' . $this->settings['email']['layoutRootPath'];
		}

		$templatePath = NULL;
		if (!isset($this->settings['email']['templateRootPath'])) {
			if ($this->controllerContext !== NULL) {
				$templatePath = 'resource://' . $this->controllerContext->getRequest()->getControllerPackageKey() . '/Private/Templates/Email';
			}
		} else {
			$templatePath = 'resource://' . trim($this->settings['email']['templateRootPath'], '/');
		}

		$templatePathAndFilename = $templatePath . '/' . $template . '.html';
		$view->setLayoutRootPath($layoutRootPath);
		$view->setTemplatePathAndFilename($templatePathAndFilename);
		$view->assignMultiple($templateVariables);

		$content = $view->render();

		return $content;
	}

	...
}