/**
* Sets order of items in the currently loaded order to the order of item_ids as set in $pa_item_ids
*
* @param array $pa_item_ids A list of item_ids in the order, in the order in which they should be displayed in the order
* @param array $pa_options An optional array of options. Supported options include:
* NONE
* @return array An array of errors. If the array is empty then no errors occurred
*/
public function reorderItems($pa_item_ids, $pa_options = null)
{
if (!($vn_order_id = $this->getPrimaryKey())) {
return null;
}
$va_item_ranks = $this->getItemIDRanks($pa_options);
// get current ranks
$vn_i = 0;
$o_trans = new Transaction();
$t_item = new ca_commerce_order_items();
$t_item->setTransaction($o_trans);
$t_item->setMode(ACCESS_WRITE);
$va_errors = array();
// rewrite ranks
foreach ($pa_item_ids as $vn_rank => $vn_item_id) {
if (isset($va_item_ranks[$vn_item_id]) && $t_item->load(array('order_id' => $vn_order_id, 'item_id' => $vn_item_id))) {
if ($va_item_ranks[$vn_item_id] != $vn_rank) {
$t_item->set('rank', $vn_rank);
$t_item->update();
if ($t_item->numErrors()) {
$va_errors[$vn_item_id] = _t('Could not reorder item %1: %2', $vn_item_id, join('; ', $t_item->getErrors()));
}
}
}
}
if (sizeof($va_errors)) {
$o_trans->rollback();
} else {
$o_trans->commit();
}
return $va_errors;
}