/**
* @param EmailTemplate $value
* @param Constraint|EmailTemplateSyntax $constraint
*/
public function validate($value, Constraint $constraint)
{
// prepare templates to be validated
$itemsToValidate = [['field' => 'subject', 'locale' => null, 'template' => $value->getSubject()], ['field' => 'content', 'locale' => null, 'template' => $value->getContent()]];
$translations = $value->getTranslations();
foreach ($translations as $trans) {
if (in_array($trans->getField(), ['subject', 'content'])) {
$itemsToValidate[] = ['field' => $trans->getField(), 'locale' => $trans->getLocale(), 'template' => $trans->getContent()];
}
}
/** @var \Twig_Extension_Sandbox $sandbox */
$sandbox = $this->twig->getExtension('sandbox');
$sandbox->enableSandbox();
// validate templates' syntax
$errors = [];
foreach ($itemsToValidate as &$item) {
try {
$this->twig->parse($this->twig->tokenize($item['template']));
} catch (\Twig_Error_Syntax $e) {
$errors[] = ['field' => $item['field'], 'locale' => $item['locale'], 'error' => $e->getMessage()];
}
}
$sandbox->disableSandbox();
// add violations for found errors
if (!empty($errors)) {
foreach ($errors as $error) {
$this->context->addViolation($constraint->message, ['{{ field }}' => $this->getFieldLabel(ClassUtils::getClass($value), $error['field']), '{{ locale }}' => $this->getLocaleName($error['locale']), '{{ error }}' => $error['error']]);
}
}
}
/**
* @param EmailModel $emailModel
* @param EmailTemplate $template
* @param Email $email
*/
protected function applyTemplate(EmailModel $emailModel, EmailTemplate $template, Email $email)
{
$locales = array_merge($email->getAcceptedLocales(), [$this->defaultLocale]);
$flippedLocales = array_flip($locales);
$translatedSubjects = [];
$translatedContents = [];
foreach ($template->getTranslations() as $translation) {
switch ($translation->getField()) {
case 'content':
$translatedContents[$translation->getLocale()] = $translation->getContent();
break;
case 'subject':
$translatedSubjects[$translation->getLocale()] = $translation->getContent();
break;
}
}
$comparator = ArrayUtil::createOrderedComparator($flippedLocales);
uksort($translatedSubjects, $comparator);
uksort($translatedContents, $comparator);
$validContents = array_intersect_key($translatedContents, $flippedLocales);
$validsubjects = array_intersect_key($translatedSubjects, $flippedLocales);
$content = reset($validContents);
$subject = reset($validsubjects);
$emailModel->setSubject($subject === false ? $template->getSubject() : $subject)->setBody($content === false ? $template->getContent() : $content)->setType($template->getType());
}
