/**
* Get the direction of a relationship out of a Relation instance.
*
* @param \\Orientdb\Relationship $relation
* @param \Sgpatil\Orientdb\Eloquent\Model $parent
* @param \Sgpatil\Orientdb\Eloquent\Model $related
* @return string Either 'in' or 'out'
*/
public function directionFromRelation(Relationship $relation, Model $parent, Model $related)
{
// We will match the ids of the parent model and the start node of the relationship
// and if they match we know that the direction is outgoing, incoming otherwise.
$node = $relation->getStartNode();
// We will start by considering the relationship direction to be 'incoming' until
// we match and find otherwise.
$direction = 'in';
if ($node->getId() === $parent->getKey()) {
$direction = 'out';
}
return $direction;
}
/**
* Convert a model to a Node object.
*
* @param \Sgpatil\Orientdb\Eloquent\Model $model
* @return \\Orientdb\Node
*/
public function asNode(Model $model)
{
$node = $this->client->makeNode();
// If the key name of the model is 'id' we will need to set it properly with setId()
// since setting it as a regular property with setProperty() won't cut it.
if ($model->getKeyName() == 'id') {
$node->setId($model->getKey());
} else {
$node->setProperty($model->getKeyName(), $model->getKey());
}
return $node;
}
