/**
* 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;
}
}
<?php
require '../src/Rocketr/Autoloader.php';
\Rocketr\Autoloader::register();
$Knot = new Rocketr\Engine();
$Knot->connexion('mongodb://127.0.0.1:27017')->database('default');
$map = ['reference' => ['books' => ['author' => 'authors', 'writer' => 'authors']], 'has_collection' => ['libraries' => ['archives' => 'books', 'books' => 'books'], 'shelves' => ['books' => 'books'], 'authors' => ['beloved_places' => 'cities']]];
\Rocketr\Schema\Map::load($map);
//\Rocketr\Schema\Reference::add('books', ['author' => 'authors']);
echo 'One To Many Relation --- <br />';
echo 'From the descendant --- <br />';
$B = $Knot->find('books')->where('author.name = "Terry Pratchett"')->one();
echo "<pre>";
echo print_r($B, true);
echo "</pre>";
echo 'From the ascendant --- <br />';
$A = $Knot->find('authors')->having('books')->where('title = "Quand le diable était jeune"')->as('author')->one();
echo "<pre>";
echo print_r($A, true);
echo "</pre>";
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);
}