/**
* getSignature
*
* Compute a unique signature upon entity's values in its primary key. If
* an empty primary key is provided, null is returned.
*
* @static
* @access public
* @param FlexibleEntityInterface $entity
* @param array $primary_key
* @return string
*/
public static function getSignature(FlexibleEntityInterface $entity, array $primary_key)
{
if (count($primary_key) === 0) {
return null;
}
return sha1(sprintf("%s|%s", serialize($entity->fields($primary_key)), get_class($entity)));
}
/**
* insertOne
*
* Insert a new entity in the database. The entity is passed by reference.
* It is updated with values returned by the database (ie, default values).
*
* @access public
* @param FlexibleEntityInterface $entity
* @return Model $this
*/
public function insertOne(FlexibleEntityInterface &$entity)
{
$values = $entity->fields(array_intersect(array_keys($this->getStructure()->getDefinition()), array_keys($entity->extract())));
$sql = strtr("insert into :relation (:fields) values (:values) returning :projection", [':relation' => $this->getStructure()->getRelation(), ':fields' => $this->getEscapedFieldList(array_keys($values)), ':projection' => $this->createProjection()->formatFieldsWithFieldAlias(), ':values' => join(',', $this->getParametersList($values))]);
$entity = $this->query($sql, array_values($values))->current()->status(FlexibleEntityInterface::STATUS_EXIST);
return $this;
}