/**
* Saving model
*
* When primary key is set, model will be updated otherwise inserted
* @return mixed model's primary key value
*/
public function save()
{
if ($this->isView()) {
throw new Exception('Unable to save view.');
}
$pk = $this->getPrimaryKey();
// has primary key set, record exists -> updating
if ($this->fields[$pk]->getValue()) {
if ($this->isExtended()) {
$this->extends->save();
}
return $this->update();
} else {
if ($this->isExtended()) {
$this->{$pk} = $this->extends->save();
}
return $this->insert();
}
}
