$price_expression = new PriceExpression($db);
$price_globals = new PriceGlobalVariable($db);
//Fetch expression data
if (empty($eid)) {
$eid = 0;
} else {
if ($action != 'delete') {
$price_expression->fetch($eid);
}
}
/*
* Actions
*/
if ($action == 'add') {
if ($eid == 0) {
$result = $price_expression->find_title($title);
if ($result == 0) {
//Check the expression validity by parsing it
$priceparser = new PriceParser($db);
$price_result = $priceparser->parseProductSupplierExpression($id, $expression, 0, 0);
if ($price_result < 0) {
//Expression is not valid
setEventMessages($priceparser->translatedError(), null, 'errors');
} else {
$price_expression->title = $title;
$price_expression->expression = $expression;
$result = $price_expression->create($user);
if ($result > 0) {
$eid = $price_expression->id;
setEventMessages($langs->trans("RecordSaved"), null, 'mesgs');
} else {
