public function get(Model $from)
{
// Create the query on the model_through
$rel = call_user_func(array($this->model_from, 'relations'), $this->model_through);
$query = call_user_func(array($rel->model_to, 'find'));
// set the model_from's keys as where conditions for the model_through
reset($this->key_through_from);
foreach ($this->key_from as $key) {
$query->where(current($this->key_through_from), $from->{$key});
next($this->key_through_from);
}
// fetch related model_to on the model_through
$query->related($this->name);
$result = $query->get();
// relate the model_through instances to the model_from
$rels = $from->_relate();
$rels[$this->model_through] = $result;
$from->_relate($rels);
// return the array of model_to
$return = array();
foreach ($result as $r) {
$return[$r->{$this->name}->implode_pk($r->{$this->name})] = $r->{$this->name};
}
return $return;
}
