/**
* Criar a ForeignKey da Associação.
* @param $column
* @param $other_table
* @param null $name
* @param null $other_key
* @return \Illuminate\Support\Fluent
*/
public function foreignAssociation($column, $other_table, $name = null, $other_key = null)
{
$name = is_null($name) ? ForeignKey::makeName($this->table, $column) : $name;
$other_key = is_null($other_key) ? self::keyAttr() : $other_key;
$fk = $this->foreign($column, $name);
$fk->on($other_table);
$fk->references($other_key);
return $fk;
}
