$invoice $invoice : boolean Type boolean — Allow customer to view and download invoice when order is at this state
$deleted $deleted : boolean Type boolean — True if carrier has been deleted (staying in database as deleted)
getOrderStates() getOrderStates(integer $id_lang) : array Get all available order statuses Parameters integer $id_lang Language id for status name Returns array — Order statuses
invoiceAvailable() invoiceAvailable(integer $id_order_state) : boolean Check if we can make a invoice when order is in this state Parameters integer $id_order_state State ID Returns boolean — availability