/**
* Set a given relationship on this relation.
*
* @param \\Orientdb\Relationship $relation
*/
public function setRelation(Relationship $relation, $debug = false)
{
// Set the relation object.
$this->relation = $relation;
// Replace the attributes with those brought from the given relation.
$this->attributes = $relation->getProperties();
//$this->setAttribute($this->primaryKey, $relation->getId());
// Set the start and end nodes.
$this->start = $relation->getStartNode();
$this->end = $relation->getEndNode();
// Instantiate and fill out the related model.
$relatedNode = $this->isDirectionOut() ? $this->end : $this->start;
$attributes = array_merge(['id' => $relatedNode->getId()], $relatedNode->getProperties());
// This is an existing relationship.
$exists = true;
$this->related = $this->related->newFromBuilder($attributes, $exists);
$this->related->setConnection($this->related->getConnection());
}
/**
* 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;
}
/**
* Add a relationship MATCH clause to the query.
*
* @param \Sgpatil\Orientdb\Eloquent\Model $parent The parent model of the relationship
* @param \Sgpatil\Orientdb\Eloquent\Model $related The related model
* @param string $relatedNode The related node' placeholder
* @param string $relationship The relationship title
* @param string $property The parent's property we are matching against
* @param string $value
* @param string $direction Possible values are in, out and in-out
* @return \Sgpatil\Orientdb\Query\Builder|static
*/
public function matchRelation($parent, $related, $relatedNode, $relationship, $property, $value = null, $direction = 'out')
{
$parentLabels = $parent->getTable();
$relatedLabels = $related->getTable();
$parentNode = $this->modelAsNode($parentLabels);
$this->matches[] = array('type' => 'Relation', 'property' => $property, 'direction' => $direction, 'relationship' => $relationship, 'parent' => array('node' => $parentNode, 'labels' => $parentLabels), 'related' => array('node' => $relatedNode, 'labels' => $relatedLabels));
$this->addBinding(array($this->wrap($property) => $value), 'matches');
return $this;
}
/**
* Bootstrap the application events.
*
* @return void
*/
public function boot()
{
Model::setConnectionResolver($this->app['db']);
Model::setEventDispatcher($this->app['events']);
$this->package('sgpatil/orientdb');
}
/**
* 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;
}
