/**
* {@inheritdoc}
*
* Override RestfulEntityBase::createEntity() to test if meter already exists,
* to allow update existing nodes in stead of creating a copy.
*/
public function createEntity()
{
$query = new EntityFieldQuery();
$result = $query->entityCondition('entity_type', 'node')->propertyCondition('type', 'iec_meter')->fieldCondition('field_contract_id', 'value', $this->request['contract'])->fieldCondition('field_meter_code', 'value', $this->request['meter_code'])->fieldCondition('field_meter_serial', 'value', $this->request['meter_serial'])->range(0, 1)->execute();
if (!empty($result['node'])) {
// Node exists, update it.
$id = key($result['node']);
return parent::updateEntity($id);
}
// New node.
return parent::createEntity();
}
