/**
* Invoke a batch action
*
* @param HTTPRequest $request
* @return HTTPResponse
*/
public function handleBatchAction($request)
{
// This method can't be called without ajax.
if (!$request->isAjax()) {
return $this->parentController->redirectBack();
}
// Protect against CSRF on destructive action
if (!SecurityToken::inst()->checkRequest($request)) {
return $this->httpError(400);
}
// Find the action handler
$action = $request->param('BatchAction');
$actionHandler = $this->actionByName($action);
// Sanitise ID list and query the database for apges
$csvIDs = $request->requestVar('csvIDs');
$ids = $this->cleanIDs($csvIDs);
// Filter ids by those which are applicable to this action
// Enforces front end filter in LeftAndMain.BatchActions.js:refreshSelected
$ids = $actionHandler->applicablePages($ids);
// Query ids and pass to action to process
$pages = $this->getPages($ids);
return $actionHandler->run($pages);
}
/**
* Returns the appropriate response up the controller chain
* if {@link validate()} fails (which is checked prior to executing any form actions).
* By default, returns different views for ajax/non-ajax request, and
* handles 'application/json' requests with a JSON object containing the error messages.
* Behaviour can be influenced by setting {@link $redirectToFormOnValidationError},
* and can be overruled by setting {@link $validationResponseCallback}.
*
* @return HTTPResponse|string
*/
protected function getValidationErrorResponse()
{
$callback = $this->getValidationResponseCallback();
if ($callback && ($callbackResponse = $callback())) {
return $callbackResponse;
}
$request = $this->getRequest();
if ($request->isAjax()) {
// Special case for legacy Validator.js implementation
// (assumes eval'ed javascript collected through FormResponse)
$acceptType = $request->getHeader('Accept');
if (strpos($acceptType, 'application/json') !== FALSE) {
// Send validation errors back as JSON with a flag at the start
$response = new HTTPResponse(Convert::array2json($this->validator->getErrors()));
$response->addHeader('Content-Type', 'application/json');
} else {
$this->setupFormErrors();
// Send the newly rendered form tag as HTML
$response = new HTTPResponse($this->forTemplate());
$response->addHeader('Content-Type', 'text/html');
}
return $response;
} else {
if ($this->getRedirectToFormOnValidationError()) {
if ($pageURL = $request->getHeader('Referer')) {
if (Director::is_site_url($pageURL)) {
// Remove existing pragmas
$pageURL = preg_replace('/(#.*)/', '', $pageURL);
$pageURL = Director::absoluteURL($pageURL, true);
return $this->controller->redirect($pageURL . '#' . $this->FormName());
}
}
}
return $this->controller->redirectBack();
}
}
