/**
* @desc make exist- and recursioncheck before moving Items
*/
public function checkRecursion()
{
$model = new AuthItemChild();
// climb up moveTo tree and search for moveFrom Item.
$source = $this->moveFrom;
$target = $this->moveTo;
//quick precheck if moving items are nowhere in the Tree
if (!$model->findByAttributes(array('child' => $source)) && !$model->findByAttributes(array('parent' => $source))) {
$this->rekursionCheck = true;
return true;
}
/*
* this is a bit tricky, cause we can not search by child in top level
* so we have to switch searching one last time by parent if no more items are found with searching by child
*/
$column = 'child';
$currentItem = $target;
$depth = 0;
$depthLimit = $this->rekursionCheckDepthLimit;
while (true) {
$result = $model->findAllByAttributes(array("{$column}" => $currentItem));
if (!count($result) && $column == 'parent') {
// nothing found in child column
// this switch should never entered with $column == 'parent'
$this->rekursionCheck = true;
return true;
} elseif (!count($result)) {
// top Level Items can't be detected via child, so we make last search again in column parent
$column = 'parent';
continue;
}
// check parents if they are same with source
foreach ($result as $row) {
if ($row->parent == $source) {
$this->rekursionCheck = false;
return false;
}
}
// last top level Item was checked
if ($column == 'parent') {
$this->rekursionCheck = true;
return true;
}
$currentItem = $row->parent;
if ($depth++ >= $depthLimit) {
throw new CHttpException("CheckRecursion Error: Depthlimit of {$depthLimit} parents executed");
}
}
return $this->rekursionCheck;
}
/**
*
* @desc
*/
public function actionMove()
{
$this->checkAccess('RbacViewer', true);
if (!empty($_POST)) {
$this->checkAccess('RbacEditor', true);
$from = isset($_POST['moveFromItem']) ? $_POST['moveFromItem'] : null;
$to = isset($_POST['moveToItem']) ? $_POST['moveToItem'] : null;
// check only if parent is protected
if (in_array($to, $this->protectedItems)) {
if (in_array($from, $this->protectedItems)) {
$this->messageErrors[] = "Sorry, Item is protected by Controller";
$this->actionIndex();
}
}
if (!$from || !$to || $from == $to) {
$this->messageErrors[] = "Please select Parent- and Childitem and care that they are not same.";
$this->actionIndex();
}
// default validate
$model = new AuthItemChild();
$model->attributes = array('child' => $from, 'parent' => $to);
if (!$model->validate()) {
$this->messageErrors[] = "Post validation Error. Please mail Siteadmin if this Error returns.";
$this->actionIndex();
}
// check if branch already exists
if ($model->findByAttributes(array('child' => $from, 'parent' => $to)) !== null) {
$this->messageErrors[] = "Create Brunch Error: Brunch already exists.";
$this->actionIndex();
}
// Items exist?
$model = new AuthItem();
if (!count($model->findByAttributes(array('name' => $from))) || !count($model->findByAttributes(array('name' => $to)))) {
$this->messageErrors[] = "Check Items exists Error. Please mail Siteadmin if this Error returns.";
$this->actionIndex();
}
// make recursioncheck and move Items
$model = new RBACTree();
$model->moveFrom = $from;
$model->moveTo = $to;
if ($model->checkRecursion()) {
$model->moveItem();
$this->messageSuccess[] = "Item {$from} successfull moved to {$to}.";
} else {
$this->messageErrors[] = "Can't move Selection cause that will produce a Recursion.\n\t\t\t\t<br>If you can't see producing a Recursion, it may help to eject Item before moving it.";
$this->actionIndex();
}
}
$this->actionIndex();
}
