/**
* @param array $attributes
* @param array $whiteList
*
* @return boolean
* @throws Exception
*/
private function makeRoot($attributes, $whiteList)
{
$owner = $this->getOwner();
$owner->{$this->rootAttribute} = 0;
$owner->{$this->leftAttribute} = 1;
$owner->{$this->rightAttribute} = 2;
$owner->{$this->levelAttribute} = 1;
if ($this->hasManyRoots) {
$this->db->begin();
$this->ignoreEvent = true;
if ($owner->create($attributes, $whiteList) == false) {
$this->db->rollback();
$this->ignoreEvent = false;
return false;
}
$pk = $owner->{$this->rootAttribute} = $owner->{$this->primaryKey};
$owner::findFirst($pk)->update([$this->rootAttribute => $pk]);
$this->ignoreEvent = false;
$this->db->commit();
} else {
if (count($owner->roots())) {
throw new Exception('Cannot create more than one root in single root mode.');
}
if ($owner->create($attributes, $whiteList) == false) {
return false;
}
}
return true;
}
/**
* Delete the migration datasets from the table
*
* @param string $tableName
*/
public function batchDelete($tableName)
{
$migrationData = self::$_migrationPath . $this->_version . '/' . $tableName . '.dat';
if (!file_exists($migrationData)) {
return;
// nothing to do
}
self::$_connection->begin();
self::$_connection->delete($tableName);
$batchHandler = fopen($migrationData, 'r');
while (($line = fgets($batchHandler)) !== false) {
$data = explode('|', rtrim($line), 2);
self::$_connection->delete($tableName, 'id=?', [$data[0]]);
unset($line);
}
fclose($batchHandler);
self::$_connection->commit();
}
/**
* {@inheritdoc}
*
* @return $this
*/
public function begin()
{
$this->db->begin();
return $this;
}
/**
* Starts the transaction
*
* @return boolean
*/
public function begin()
{
return $this->_connection->begin();
}