/**
* Removes/Adds the item from/to a gallery.
*
* This method is meant to be called via AJAX.
*
* @param string $action "remove" or "add" ("remove" "0" and "false" will all remove an item)
* @param string $id The item MongoId
* @param string $gallery_id The gallery MongoId
* @return JSON Resposne
*/
public function association($action = 'remove', $id = null, $gallery_id = null)
{
// TODO: Use Minerva's access system (li3_access)
// Bigger todo: update li3_acess (Nate's changes) and redo Minerva's access system completely.
$user = Auth::check('minerva_user');
if ($user['role'] != 'administrator' && $user['role'] != 'content_editor') {
$this->redirect('/');
return;
}
// Set the response to return
$response = array('success' => true);
// If there was no item or gallery id provided
if (empty($id) || empty($gallery_id)) {
$response['success'] = false;
}
// If $action is anything other than remove, 0, or false, the association will be added.
$remove = $action == 'remove' || $action == '0' || $action == 'false' ? true : false;
// Check to ensure that JSON was used to make the POST request
if (!$this->request->is('json')) {
$response['success'] = false;
}
// If we have what we need, update the item
if ($response['success'] === true) {
if ($remove) {
$item_update_query = array('$pull' => array('_galleries' => $gallery_id));
} else {
$item_update_query = array('$addToSet' => array('_galleries' => $gallery_id));
}
$response['success'] = Item::update($item_update_query, array('_id' => $id), array('atomic' => false));
// Also $pull the item id from the gallery's document ordering field
// The success of this is less important because if for some reason it isn't updated,
// it should straighten out later when items are re-ordered and it doesn't even matter
// if it's dirty. This is because it's not an association, it's just an ordering and
// if an item doesn't exist in the order it will simply be ignored.
if ($remove) {
$page_update_query = array('$pull' => array('gallery_item_order' => $id));
} else {
// If new association, the item will be added at the end of the order
$page_update_query = array('$addToSet' => array('gallery_item_order' => $id));
}
Page::update($page_update_query, array('_id' => $gallery_id), array('atomic' => false));
}
$this->render(array('json' => $response));
}
