/**
* Serialize Node instances to an array
*
* @param NodeInterface $root Root node
* @param Relations $relations List of child edges
*
* @return array
*/
private function serializeNode(NodeInterface $root, Relations $relations)
{
// get list of child edges
$childs = $relations->filter(function (EdgeInterface $edge) use($root) {
return $edge->getSource()->equals($root);
});
// get list of serialized child nodes
$childs = array_map(function (EdgeInterface $edge) use($relations) {
return $this->serializeNode($edge->getTarget(), $relations);
}, $childs->getRelations());
return $this->raw($root, $childs);
}
/**
* Serialize relations collection as a list of relations
*
* @param Relations $object
*
* @return array
*/
public function serialize($object)
{
return array_map(function (EdgeInterface $edge) {
return $this->raw($edge);
}, $object->getRelations());
}
/**
* Test case 4: node with children,
* one of the children has nested child,
* nested child has common parents:
* - for the first parent nested child have own child node
* - for the second parent nested child have only name property
*
* @covers Serializer::serialize
*/
public function testSerializeNestedChildrenWithCommonParent()
{
$factory = $this->getFactoryMock();
$relations = new Relations();
$relations->addRelation($factory->createChildEdge('node 1', 'node 1.1'));
$relations->addRelation($factory->createParentEdge('node 1.1', 'node 1'));
$relations->addRelation($factory->createChildEdge('node 1', 'node 1.2'));
$relations->addRelation($factory->createParentEdge('node 1.2', 'node 1'));
$relations->addRelation($factory->createChildEdge('node 1', 'node 1.3'));
$relations->addRelation($factory->createParentEdge('node 1.3', 'node 1'));
$relations->addRelation($factory->createSiblingEdge('node 1.1', 'node 1.2'));
$relations->addRelation($factory->createSiblingEdge('node 1.1', 'node 1.3'));
$relations->addRelation($factory->createSiblingEdge('node 1.2', 'node 1.1'));
$relations->addRelation($factory->createSiblingEdge('node 1.2', 'node 1.3'));
$relations->addRelation($factory->createSiblingEdge('node 1.3', 'node 1.1'));
$relations->addRelation($factory->createSiblingEdge('node 1.3', 'node 1.2'));
$relations->addRelation($factory->createChildEdge('node 1.1', 'node 1.1.1'));
$relations->addRelation($factory->createParentEdge('node 1.1.1', 'node 1.1'));
$relations->addRelation($factory->createChildEdge('node 1.1.1', 'node 1.1.1.1'));
$relations->addRelation($factory->createParentEdge('node 1.1.1.1', 'node 1.1.1'));
$relations->addRelation($factory->createChildEdge('node 1.3', 'node 1.1.1'));
$relations->addRelation($factory->createParentEdge('node 1.1.1', 'node 1.3'));
$relations = $this->getSerializer()->serialize($relations, Context::AS_TREE);
$this->assertEquals(['org_id' => 1, 'org_name' => 'node 1', 'daughters' => [['org_id' => 2, 'org_name' => 'node 1.1', 'daughters' => [['org_id' => 3, 'org_name' => 'node 1.1.1', 'daughters' => [['org_id' => 4, 'org_name' => 'node 1.1.1.1']]]]], ['org_id' => 5, 'org_name' => 'node 1.2'], ['org_id' => 7, 'org_name' => 'node 1.3', 'daughters' => [['org_id' => 3, 'org_name' => 'node 1.1.1', 'daughters' => [['org_id' => 4, 'org_name' => 'node 1.1.1.1']]]]]]], $relations);
}
