/**
* Set the constraints for an eager load of the relation.
*
* @param array $models
*
* @return void
*/
public function addEagerConstraints(array $models)
{
$this->query->whereNested(function (Builder $inner) use($models) {
// We will use this query in order to apply constraints to the
// base query builder
$outer = $this->parent->newQuery();
foreach ($models as $model) {
$outer->setQuery($inner)->orWhereDescendantOf($model);
}
});
}
/**
* @param string|null $table
*
* @return $this
*/
public function applyNestedSetScope($table = null)
{
return $this->model->applyNestedSetScope($this, $table);
}
/**
* @param NodeTrait $node
*
* @return $this
*/
protected function assertNodeExists(self $node)
{
if (!$node->getLft() || !$node->getRgt()) {
throw new LogicException('Node must exists.');
}
return $this;
}
