public function __construct($modelClass, $kind, $owner, $foreignKey)
{
$this->kind = $kind;
$this->owner = $owner;
$this->foreignKey = $foreignKey;
parent::__construct($modelClass);
}
public function build_query()
{
$params = $this->params;
if (empty($params['foreign_key'])) {
$inflector = \Rails::services()->get('inflector');
$cn = get_class($this->parent_model);
$params['foreign_key'] = $inflector->singularize($cn::tableName()) . '_id';
}
$query = new Relation($params['class_name'], $params['class_name']::tableName());
$query->where('`' . $params['foreign_key'] . "` = ?", $this->parent_model->id);
# params[0], if present, it's an anonymous function to customize the relation.
# The function is binded to the relation object.
if (isset($this->params[0])) {
$lambda = array_shift($this->params);
$lambda = $lambda->bindTo($query);
$lambda();
}
$this->query = $query;
}
