function can_commit()
{
global $Refs;
if (!get_post('supplier_id')) {
display_error(_("There is no supplier selected."));
set_focus('supplier_id');
return false;
}
if (!is_date($_POST['OrderDate'])) {
display_error(_("The entered order date is invalid."));
set_focus('OrderDate');
return false;
}
if ($_SESSION['PO']->trans_type != ST_PURCHORDER && !is_date_in_fiscalyear($_POST['OrderDate'])) {
display_error(_("The entered date is not in fiscal year"));
set_focus('OrderDate');
return false;
}
if ($_SESSION['PO']->trans_type == ST_SUPPINVOICE && !is_date($_POST['due_date'])) {
display_error(_("The entered due date is invalid."));
set_focus('due_date');
return false;
}
if (!$_SESSION['PO']->order_no) {
if (!$Refs->is_valid(get_post('ref'))) {
display_error(_("There is no reference entered for this purchase order."));
set_focus('ref');
return false;
}
if (!is_new_reference(get_post('ref'), $_SESSION['PO']->trans_type)) {
display_error(_("The entered reference is already in use."));
set_focus('ref');
return false;
}
}
if ($_SESSION['PO']->trans_type == ST_SUPPINVOICE && !$Refs->is_valid(get_post('supp_ref'))) {
display_error(_("You must enter a supplier's invoice reference."));
set_focus('supp_ref');
return false;
}
if ($_SESSION['PO']->trans_type == ST_SUPPINVOICE && is_reference_already_there($_SESSION['PO']->supplier_id, get_post('supp_ref'), $_SESSION['PO']->order_no)) {
display_error(_("This invoice number has already been entered. It cannot be entered again.") . " (" . get_post('supp_ref') . ")");
set_focus('supp_ref');
return false;
}
if ($_SESSION['PO']->trans_type == ST_PURCHORDER && get_post('delivery_address') == '') {
display_error(_("There is no delivery address specified."));
set_focus('delivery_address');
return false;
}
if (get_post('StkLocation') == '') {
display_error(_("There is no location specified to move any items into."));
set_focus('StkLocation');
return false;
}
if (!db_has_currency_rates($_SESSION['PO']->curr_code, $_POST['OrderDate'])) {
return false;
}
if ($_SESSION['PO']->order_has_items() == false) {
display_error(_("The order cannot be placed because there are no lines entered on this order."));
return false;
}
return true;
}
function check_data()
{
global $Refs;
if (!$_SESSION['supp_trans']->is_valid_trans_to_post()) {
display_error(_("The invoice cannot be processed because the there are no items or values on the invoice. Invoices are expected to have a charge."));
return false;
}
if (!$Refs->is_valid($_SESSION['supp_trans']->reference)) {
display_error(_("You must enter an invoice reference."));
set_focus('reference');
return false;
}
if (!is_new_reference($_SESSION['supp_trans']->reference, ST_SUPPINVOICE)) {
display_error(_("The entered reference is already in use."));
set_focus('reference');
return false;
}
if (!$Refs->is_valid($_SESSION['supp_trans']->supp_reference)) {
display_error(_("You must enter a supplier's invoice reference."));
set_focus('supp_reference');
return false;
}
if (!is_date($_SESSION['supp_trans']->tran_date)) {
display_error(_("The invoice as entered cannot be processed because the invoice date is in an incorrect format."));
set_focus('trans_date');
return false;
} elseif (!is_date_in_fiscalyear($_SESSION['supp_trans']->tran_date)) {
display_error(_("The entered date is not in fiscal year."));
set_focus('trans_date');
return false;
}
if (!is_date($_SESSION['supp_trans']->due_date)) {
display_error(_("The invoice as entered cannot be processed because the due date is in an incorrect format."));
set_focus('due_date');
return false;
}
if (is_reference_already_there($_SESSION['supp_trans']->supplier_id, $_POST['supp_reference'])) {
/*Transaction reference already entered */
display_error(_("This invoice number has already been entered. It cannot be entered again.") . " (" . $_POST['supp_reference'] . ")");
return false;
}
return true;
}