/**
* Produce a preview of the mailing content.
*
* @return null|string
*/
public function generatePreview()
{
$this->updateTemplateVarsWithContact($this->getContactService()->getContact());
if (is_null($this->mailing)) {
throw new \RuntimeException("The mailing object is empty. Did set the template");
}
try {
return $this->renderer->render($this->mailing->getTemplate()->getTemplate(), array_merge_recursive(['content' => $this->personaliseMessage($this->email->getMessage())], $this->templateVars));
} catch (\Twig_Error_Syntax $e) {
print sprintf("Something went wrong. Error message: %s", $e->getMessage());
}
return true;
}
