/**
* Shortcut method to register a sub collection in knot::map::collection
*
* @param $attribute_s
* @param $target_s
* @param array|null $on
* @return $this
*/
public function has_collection($attribute_s, $target_s, $on = null)
{
if ($this->_collection_name) {
\Rocketr\Schema\HasCollection::add($this->_collection_name, [$attribute_s => $target_s], $on);
}
return $this;
}
/**
* Transform the value in a MongoDBRef if needed
* @param $attr
* @param $value
* @return mixed
*/
protected function _val($attr, $value)
{
$reference = \Rocketr\Schema\Reference::get($this->get_collection_name(), $attr);
$collection = \Rocketr\Schema\HasCollection::get($this->get_collection_name(), $attr);
if ($reference xor $collection) {
$ref_attr = \Rocketr\Schema\Map::on($this->get_collection_name(), $attr);
$_id = is_array($value) && isset($value[$ref_attr]) || is_object($value) && $value->{$ref_attr} ? is_array($value) ? $value[$ref_attr] : $value->{$ref_attr} : $value;
$target = $reference ? $reference : $collection;
$_id = $ref_attr == '_id' && \MongoId::isValid($_id) ? new \MongoId($_id) : $_id;
return \MongoDBRef::create($target, $_id);
} else {
return $value;
}
}
/**
* @param $which
* @param $collection
* @param $attr
* @param $target
*/
private function _push_to_map($which, $collection, $attr, $target)
{
if ($which == 'reference') {
$ref_attr = isset($on[$collection][$attr]) ? $on[$collection][$attr] : null;
\Rocketr\Schema\Reference::add($collection, [$attr => $target], $ref_attr);
} else {
if ($which == 'has_collection') {
$ref_attr = isset($on[$collection][$attr]) ? $on[$collection][$attr] : null;
\Rocketr\Schema\HasCollection::add($collection, [$attr => $target], $ref_attr);
}
}
}
private function _run_hascollection_queries($criterion, $sub_queries, $val)
{
$ref_attr = array_shift($sub_queries);
$target = \Rocketr\Schema\HasCollection::get($this->get_collection_name(), $ref_attr);
$condition = $this->_stringify_condition($criterion, $sub_queries, $val);
$on = \Rocketr\Schema\Map::on($this->get_collection_name(), $ref_attr);
$result = $this->_run_sub_query($target, $condition, $on);
return $this->_make_references_ids($result, $on, $ref_attr);
}