/**
* adjust_registration_quantities
* will either add registrations for NEW tickets
* or adjust quantities for existing tickets
*
* @access protected
* @param \EE_Transaction $transaction
* @param int $TKT_ID
* @param array $ticket_line_items
* @param array $reg_tickets
* @return bool
*/
protected static function adjust_registration_quantities(EE_Transaction $transaction, $TKT_ID = 0, $ticket_line_items = array(), $reg_tickets = array())
{
$changes = false;
// are there any corresponding registrations for this ticket?
if (isset($reg_tickets[$TKT_ID])) {
// corresponding registrations exist, so let's compare counts...
$tkt_count = count($ticket_line_items);
$reg_count = count($reg_tickets[$TKT_ID]);
if ($tkt_count > $reg_count) {
// ticket(s) added = create registrations
for ($x = 0; $x < $tkt_count - $reg_count; $x++) {
$changes = EED_Multi_Event_Registration::add_registration($ticket_line_items[$x], $transaction) ? true : $changes;
}
} else {
if ($tkt_count < $reg_count) {
// ticket(s) removed = remove registrations
for ($x = $reg_count; $x > $tkt_count; $x--) {
// grab last registration that corresponds to this ticket type
$registration = array_pop($reg_tickets[$TKT_ID]);
$changes = EED_Multi_Event_Registration::remove_registration($transaction, $registration) ? true : $changes;
}
} else {
// tickets match registrations = no change
return false;
}
}
} else {
// no corresponding registrations????
// we need to create registrations for these tickets
$reg_count = 0;
foreach ($ticket_line_items as $ticket_line_item) {
$reg_count++;
$changes = EED_Multi_Event_Registration::add_registration($ticket_line_item, $transaction) ? true : $changes;
}
}
return $changes;
}
