/**
* Hydrates a node by querying the database for it
* and updating it's reserved attributes from the
* queried record.
*
* @param Cartalyst\NestedSets\Nodes\NodeInterface $node
* @return void
*/
public function hydrateNode(NodeInterface $node)
{
$table = $this->getTable();
$attributes = $this->getReservedAttributeNames();
$keyName = $this->baseNode->getKeyName();
$result = $this->connection->table("{$table}")->where($keyName, '=', $key = $node->getAttribute($keyName))->first(array_values($attributes));
if ($result === null) {
throw new \RuntimeException("Attempting to hydrate non-existent node [{$key}].");
}
// We only want to update the attributes which
// affect nested sets.
$attributes = array_intersect_key((array) $result, array_flip($attributes));
foreach ($attributes as $key => $value) {
$node->setAttribute($key, $value);
}
}
/**
* Fires the "after update" trigger for a node.*
*
* @param Cartalyst\NestedSets\Nodes\NodeInterface $node
* @return void
*/
public function afterUpdateNode(NodeInterface $node)
{
$node->syncOriginal();
$node->afterUpdate();
}
/**
* Actually does the magic for presenting nodes.
*
* @param Cartalyst\NestedSets\Nodes\NodeInterface $node
* @param string $format
* @param string|Closure $attribute
* @param int $depth
* @return mixed
*/
public function recursivelyPresentAs(NodeInterface $node, $format, $attribute, $depth = 0, $includeNode = false)
{
$present = [];
$node->findChildren($depth);
foreach ($node->getChildren() as $child) {
$extracted = $this->extractPresentable($child, $attribute);
if ($child->getChildren()) {
$present[$extracted] = $this->presentChildrenAs($child, 'array', $attribute, $depth, false);
} else {
$present[] = $extracted;
}
}
if ($includeNode === true) {
$extracted = $this->extractPresentable($node, $attribute);
$present = [$extracted => $present];
}
return $this->{'presentArrayAs' . ucfirst($format)}($present);
}
