/**
* @throws Exception
* @throws NotSupportedException
*/
public function beforeSave()
{
if ($this->node !== null && !$this->node->getIsNewRecord()) {
$this->node->refresh();
}
switch ($this->operation) {
case self::OPERATION_MAKE_ROOT:
$this->owner->setAttribute($this->parentAttribute, null);
if ($this->sortable !== false) {
$this->owner->setAttribute($this->behavior->sortAttribute, 0);
}
break;
case self::OPERATION_PREPEND_TO:
$this->insertIntoInternal(false);
break;
case self::OPERATION_APPEND_TO:
$this->insertIntoInternal(true);
break;
case self::OPERATION_INSERT_BEFORE:
$this->insertNearInternal(false);
break;
case self::OPERATION_INSERT_AFTER:
$this->insertNearInternal(true);
break;
default:
if ($this->owner->getIsNewRecord()) {
throw new NotSupportedException('Method "' . $this->owner->className() . '::insert" is not supported for inserting new nodes.');
}
}
}
/**
* @throws Exception
*/
public function beforeUpdate()
{
if ($this->node !== null && !$this->node->getIsNewRecord()) {
$this->node->refresh();
}
switch ($this->operation) {
case self::OPERATION_MAKE_ROOT:
if ($this->treeAttribute === null) {
throw new Exception('Can not move a node as the root when "treeAttribute" is not set.');
}
if ($this->isRoot()) {
throw new Exception('Can not move the root node as the root.');
}
break;
case self::OPERATION_INSERT_BEFORE:
case self::OPERATION_INSERT_AFTER:
if ($this->node->isRoot()) {
throw new Exception('Can not move a node before/after root.');
}
case self::OPERATION_PREPEND_TO:
case self::OPERATION_APPEND_TO:
if ($this->node->getIsNewRecord()) {
throw new Exception('Can not move a node when the target node is new record.');
}
if ($this->owner->equals($this->node)) {
throw new Exception('Can not move a node when the target node is same.');
}
if ($this->node->isChildOf($this->owner)) {
throw new Exception('Can not move a node when the target node is child.');
}
}
}
/**
* @throws Exception
* @throws NotSupportedException
*/
public function beforeSave()
{
if ($this->node !== null && !$this->node->getIsNewRecord()) {
$this->node->refresh();
}
switch ($this->operation) {
case self::OPERATION_MAKE_ROOT:
$this->makeRootInternal();
break;
case self::OPERATION_PREPEND_TO:
$this->insertIntoInternal(false);
break;
case self::OPERATION_APPEND_TO:
$this->insertIntoInternal(true);
break;
case self::OPERATION_INSERT_BEFORE:
$this->insertNearInternal(false);
break;
case self::OPERATION_INSERT_AFTER:
$this->insertNearInternal(true);
break;
default:
if ($this->owner->getIsNewRecord()) {
throw new NotSupportedException('Method "' . $this->owner->className() . '::insert" is not supported for inserting new nodes.');
}
$item = $this->owner->getAttribute($this->itemAttribute);
$path = $this->getParentPath();
$this->owner->setAttribute($this->pathAttribute, ($path !== null ? $path . $this->delimiter : null) . $item);
}
}
/**
* @throws Exception
*/
public function beforeUpdate()
{
if ($this->node !== null && !$this->node->getIsNewRecord()) {
$this->node->refresh();
}
switch ($this->operation) {
case self::OPERATION_MAKE_ROOT:
if ($this->treeAttribute === false) {
throw new Exception('Can not move a node as the root when "treeAttribute" is false.');
}
if ($this->owner->isRoot()) {
throw new Exception('Can not move the root node as the root.');
}
if (!$this->treeAttributeById) {
if ($this->owner->getOldAttribute($this->treeAttribute) === $this->owner->getAttribute($this->treeAttribute)) {
throw new Exception('Can not move a node as the root when its tree attribute "' . $this->treeAttribute . '" is not changed.');
}
if ($this->owner->find()->andWhere([$this->treeAttribute => $this->owner->getAttribute($this->treeAttribute), $this->leftAttribute => 1])->one()) {
throw new Exception('Can not move a node as the root when another root with this "' . $this->treeAttribute . '" already exists.');
}
}
break;
case self::OPERATION_INSERT_BEFORE:
case self::OPERATION_INSERT_AFTER:
if ($this->node->isRoot()) {
throw new Exception('Can not move a node when the target node is root.');
}
case self::OPERATION_PREPEND_TO:
case self::OPERATION_APPEND_TO:
if ($this->node->getIsNewRecord()) {
throw new Exception('Can not move a node when the target node is new record.');
}
if ($this->owner->equals($this->node)) {
throw new Exception('Can not move a node when the target node is same.');
}
if ($this->node->isChildOf($this->owner)) {
throw new Exception('Can not move a node when the target node is child.');
}
}
}
/**
* @inheritdoc
*/
public function refresh()
{
if (!parent::refresh()) {
return false;
}
$dynCol = static::dynamicColumn();
if (isset($this->attributes[$dynCol])) {
$this->_dynamicAttributes = static::dynColDecode($this->attributes[$dynCol]);
}
return true;
}
/**
* @throws Exception
* @throws NotSupportedException
*/
public function beforeSave()
{
if ($this->node !== null && !$this->node->getIsNewRecord()) {
$this->node->refresh();
}
switch ($this->operation) {
case self::OPERATION_MAKE_ROOT:
$item = $this->owner->getAttribute($this->itemAttribute);
if ($item !== null) {
$this->owner->setAttribute($this->pathAttribute, $item);
}
$this->owner->setAttribute($this->depthAttribute, 0);
break;
case self::OPERATION_PREPEND_TO:
$this->checkNode(false);
$item = $this->owner->getAttribute($this->itemAttribute);
if ($item !== null) {
$path = $this->node->getAttribute($this->pathAttribute);
$this->owner->setAttribute($this->pathAttribute, $path . $this->delimiter . $item);
}
$this->owner->setAttribute($this->depthAttribute, $this->node->getAttribute($this->depthAttribute) + 1);
if ($this->sortAttribute !== null) {
$to = $this->node->getChildren()->orderBy(null)->min($this->sortAttribute);
$to = $to !== null ? $to - $this->step : 0;
$this->owner->setAttribute($this->sortAttribute, $to);
}
break;
case self::OPERATION_APPEND_TO:
$this->checkNode(false);
$item = $this->owner->getAttribute($this->itemAttribute);
if ($item !== null) {
$path = $this->node->getAttribute($this->pathAttribute);
$this->owner->setAttribute($this->pathAttribute, $path . $this->delimiter . $item);
}
$this->owner->setAttribute($this->depthAttribute, $this->node->getAttribute($this->depthAttribute) + 1);
if ($this->sortAttribute !== null) {
$to = $this->node->getChildren()->orderBy(null)->max($this->sortAttribute);
$to = $to !== null ? $to + $this->step : 0;
$this->owner->setAttribute($this->sortAttribute, $to);
}
break;
case self::OPERATION_INSERT_BEFORE:
$this->checkNode(true);
$item = $this->owner->getAttribute($this->itemAttribute);
if ($item !== null) {
$path = $this->getParentPath($this->node->getAttribute($this->pathAttribute));
$this->owner->setAttribute($this->pathAttribute, $path . $this->delimiter . $item);
}
$this->owner->setAttribute($this->depthAttribute, $this->node->getAttribute($this->depthAttribute));
if ($this->sortAttribute !== null) {
$this->moveTo($this->node->getAttribute($this->sortAttribute) - 1, false);
}
break;
case self::OPERATION_INSERT_AFTER:
$this->checkNode(true);
$item = $this->owner->getAttribute($this->itemAttribute);
if ($item !== null) {
$path = $this->getParentPath($this->node->getAttribute($this->pathAttribute));
$this->owner->setAttribute($this->pathAttribute, $path . $this->delimiter . $item);
}
$this->owner->setAttribute($this->depthAttribute, $this->node->getAttribute($this->depthAttribute));
if ($this->sortAttribute !== null) {
$this->moveTo($this->node->getAttribute($this->sortAttribute) + 1, true);
}
break;
default:
if ($this->owner->getIsNewRecord()) {
throw new NotSupportedException('Method "' . $this->owner->className() . '::insert" is not supported for inserting new nodes.');
}
$item = $this->owner->getAttribute($this->itemAttribute);
$path = $this->getParentPath($this->owner->getAttribute($this->pathAttribute));
$this->owner->setAttribute($this->pathAttribute, $path . $this->delimiter . $item);
}
}
/**
* @param ActiveRecord $model
* @return ActiveRecord
* @throws \yii\web\ServerErrorHttpException
*/
protected function chainSave($model)
{
$model->scenario = $this->saveScenario;
$model->attributes = Yii::$app->getRequest()->post();
if (!$model->save()) {
if (YII_DEBUG) {
Yii::$app->response->statusCode = 500;
Yii::$app->response->format = Response::FORMAT_JSON;
var_dump($model->getErrors());
Yii::$app->end();
}
throw new ServerErrorHttpException('Do not able to save the model.');
}
$model->refresh();
return $model;
}