/**
*
* @return integer
* @throws Kohana_Exception
*/
public function count()
{
if (Arr::get($this->relation1, 'store') !== false) {
if (isset($this->relation1['field'])) {
$field = $this->relation1['field'];
$arr = $this->model1->{$field};
return count($arr);
} else {
$id = "{$this->model1->get_model_name()}:{$this->model1->pk()}:{$this->field1}";
$self_collection = self::COLLECTION;
$code = "function(){return db.{$self_collection}.find({'_id':'{$id}'}).limit(1)[0].ids.length}";
$return_value = 0;
try {
$return_value = intval($this->model1->db()->execute($code));
} catch (Exception $ex) {
}
return $return_value;
}
} elseif (isset($this->relation2) && Arr::get($this->relation2, 'store') !== false) {
if (isset($this->relation2['field'])) {
return $this->model2->get_collection()->count(array($this->relation2['field'] => $this->model1->pk()));
} else {
return $this->model2->db()->selectCollection(self::COLLECTION)->count(array("ids" => $this->model1->pk(), 'model' => $this->relation2['model'], 'field' => $this->field2));
}
} else {
throw new Kohana_Exception("can`t get ids for this relation");
}
}
public function __construct(Model $model, \MongoClient $connection, $ns, array $query = array(), array $fields = array())
{
$this->model_name = $model->get_model_name();
$this->model = $model;
parent::__construct($connection, $ns, $query, $fields);
}