function deleteItem()
{
// general_param has order_item_id
$d = JRequest::get('post');
$ps_order_change = new ps_order_change($d['order_id']);
$ps_order_change->change_delete_item($d['order_id'], $d['order_item_id']);
$msg = 'Item deleted';
$link = 'index.php?option=com_onepage&view=order_details&order_id=' . $d['order_id'];
$scrolly = JRequest::getVar('scrolly', 0);
$link .= '&scrolly=' . $scrolly;
$link .= '&op_curtab=' . JRequest::getVar('op_curtab', '');
$this->setRedirect($link, $msg);
}
} elseif (vmGet($_REQUEST, 'change_shipping_tax') != '') {
$ps_order_change->change_shipping_tax($order_id, vmRequest::getFloat('order_shipping_tax'));
} elseif (vmGet($_REQUEST, 'change_discount') != '') {
if ($ps_order_change->change_discount($order_id, trim(vmGet($_REQUEST, 'order_discount')))) {
$vmLogger->err("Invalid Order Item ID!");
} else {
$vmLogger->info($VM_LANG->_('PHPSHOP_COUPON_DISCOUNT') . $VM_LANG->_('PHPSHOP_ORDER_EDIT_SOMETHING_HAS_CHANGED'));
}
} elseif (vmGet($_REQUEST, 'change_coupon_discount') != '') {
if ($ps_order_change->change_coupon_discount($order_id, trim(vmGet($_REQUEST, 'coupon_discount')))) {
$vmLogger->err("Discount is not a number!");
} else {
$vmLogger->info($VM_LANG->_('PHPSHOP_COUPON_DISCOUNT') . $VM_LANG->_('PHPSHOP_ORDER_EDIT_SOMETHING_HAS_CHANGED'));
}
} elseif (vmGet($_REQUEST, 'change_delete_item') != '') {
if ($ps_order_change->change_delete_item($order_id, vmGet($_REQUEST, 'order_item_id'))) {
$vmLogger->err("Discount is not a number!");
} else {
$vmLogger->info($VM_LANG->_('PHPSHOP_ORDER_EDIT_PRODUCT_DELETED'));
}
} elseif (vmGet($_REQUEST, 'change_item_quantity') != '') {
if ($ps_order_change->change_item_quantity($order_id, vmGet($_REQUEST, 'order_item_id'), trim(vmGet($_REQUEST, 'product_quantity')))) {
$vmLogger->err($VM_LANG->_('PHPSHOP_ORDER_EDIT_ERROR_QUANTITY_MUST_BE_HIGHER_THAN_0'));
} else {
$vmLogger->info($VM_LANG->_('PHPSHOP_ORDER_EDIT_QUANTITY_UPDATED'));
}
} elseif (vmGet($_REQUEST, 'add_product') != '') {
$ps_order_change->add_product();
} elseif (vmGet($_REQUEST, 'change_product_item_price') != '') {
$ps_order_change->change_product_item_price();
} elseif (vmGet($_REQUEST, 'change_product_final_price') != '') {
