/**
* Identifies the ids of the nodes whose counter caches need updating.
* - If editing and parent not changed, do not update counter caches
* - If inserting and parent id is null, do not update counter caches
* - If editing and parent has changed, update counter caches of old parent
* and all its parents and new parent and all it's parents.
* - If inserting and parent is not null, update counter caches of new parent
* and all it's parents.
*
* @param AppModel $model The model object that the behavior is attached to
* @return boolean Always true
* @access public
*/
function beforeSave(&$model)
{
$this->_parentIds[$model->alias] = array();
// Let TreeBehavior do it's thing first
$parentResult = parent::beforeSave($model);
// If parent fails, return
if ($parentResult === false) {
return $parentResult;
}
// If editing and parent not changed, do not update counter caches
if ($model->id && !$this->settings[$model->alias]['__parentChange']) {
return true;
}
// Get the new parent id
$newParentId = null;
if (isset($model->data[$model->alias][$this->settings[$model->alias]['parent']])) {
$newParentId = $model->data[$model->alias][$this->settings[$model->alias]['parent']];
}
// If inserting and new parent id is null, do not update counter caches
if (!$model->id && !$newParentId) {
return true;
}
// If editing get ids of the current/previous parent and all it's parents
if ($model->id) {
// Get the current/previous parent id
$currentParentId = $model->field($this->settings[$model->alias]['parent']);
// Add the current/previous parent id and it's parents to the _parentIds
// property for updating in afterSave
$this->_addParentIds($model, $currentParentId);
}
// Add the new parent id and it's parents to the _parentIds property for
// updating in afterSave
$this->_addParentIds($model, $newParentId);
return true;
}
public function beforeSave($Model)
{
if ($this->scoped($Model)) {
if (!$Model->id || $Model->id && array_key_exists($this->settings[$Model->alias]['parent'], $Model->data)) {
if (!$this->__setScope($Model, $Model->data[$Model->alias], true)) {
return false;
}
}
}
if ($this->counterCacheEnabled($Model) && $Model->id) {
$this->__oldParentId = $Model->field($this->settings[$Model->alias]['parent']);
}
return parent::beforeSave($Model);
}