/** * Add line item. * * @param CRM_Event_BAO_Event $event_in_cart * @param string $class */ public function add_line_item($event_in_cart, $class = NULL) { $amount = 0; $cost = 0; $not_waiting_participants = array(); foreach ($event_in_cart->not_waiting_participants() as $participant) { $amount += $participant->cost; $cost = max($cost, $participant->cost); $not_waiting_participants[] = array('display_name' => CRM_Contact_BAO_Contact::displayName($participant->contact_id)); } $waiting_participants = array(); foreach ($event_in_cart->waiting_participants() as $participant) { $waiting_participants[] = array('display_name' => CRM_Contact_BAO_Contact::displayName($participant->contact_id)); } $this->line_items[] = array('amount' => $amount, 'cost' => $cost, 'event' => $event_in_cart->event, 'participants' => $not_waiting_participants, 'num_participants' => count($not_waiting_participants), 'num_waiting_participants' => count($waiting_participants), 'waiting_participants' => $waiting_participants, 'class' => $class); $this->sub_total += $amount; }