/**
* Return the demanded frontend module or content element parsed as html string
*
* Required GET data:
* * action: "reload-element"
* * element: "ce::id" or "mod::id" (replace 'id' with the element's id)
* * page: "id" (optionally, replace 'id' with the current page's id)
* * auto_item: (an optional auto_item which will be set before fetching the element)
*/
public function getModuleOrContentElement()
{
if (!\Environment::get('isAjaxRequest') || Input::get('action') != 'reload-element') {
return;
}
global $objPage;
// Set page object as it may be needed for the language e.g.
if (!$objPage && (int) Input::get('page')) {
$objPage = \PageModel::findWithDetails((int) Input::get('page'));
}
$GLOBALS['TL_LANGUAGE'] = null !== $objPage ? $objPage->language : $GLOBALS['TL_LANGUAGE'];
list($strElementType, $intElementId) = trimsplit('::', Input::get('element'));
$strError = '';
$return = '';
// Authenticate front end user, e.g. for insert tags
if (FE_USER_LOGGED_IN) {
/** @noinspection PhpUndefinedMethodInspection */
$this->import('FrontendUser', 'User');
/** @var \FrontendUser $this ->User */
$this->User->authenticate();
}
// Load default language file
\System::loadLanguageFile('default');
// Set a given auto_item to fetch the correct version of a module or content element
if ($strAutoItem = Input::get('auto_item')) {
Input::setGet('auto_item', $strAutoItem);
}
switch ($strElementType) {
case 'mod':
/** @type \Model $objModule */
$objModule = \ModuleModel::findByPk($intElementId);
if (null === $objModule) {
$strError = sprintf('Could not find module ID %s', $intElementId);
continue;
}
if (!$objModule->allowAjaxReload) {
$strError = sprintf('Module ID %u is not allowed to fetch', $intElementId);
continue;
}
$return = \Controller::getFrontendModule($objModule);
break;
case 'ce':
/** @type \Model $objContent */
$objContent = ContentModel::findByPk($intElementId);
if (null === $objContent) {
$strError = sprintf('Could not find content element ID %s', $intElementId);
continue;
}
if (!$objContent->allowAjaxReload) {
$strError = sprintf('Content element ID %u is not allowed to fetch', $intElementId);
continue;
}
$return = \Controller::getContentElement($objContent);
break;
default:
$strError = 'Could not determine whether the element is a module or content element';
break;
}
$arrResponse = array();
if ($strError) {
$arrResponse['status'] = 'error';
$arrResponse['error'] = $strError;
} else {
$arrResponse['status'] = 'ok';
$arrResponse['html'] = $return;
}
$objResponse = new JsonResponse($arrResponse);
$objResponse->send();
}