I want to override calculation of
amount field (purchase order item, etc)
Default calculation as I know is
amount = rate * qty
Is it possible to add a custom field and use that as additional variable for calculating amount. For example, I add
handling field and the
amount is calculated using
rate * qty + handling.
Other answer tells to use Doc Events, but the posting date is a bit old (2016). If I must use Doc Events hook, do I still need to recalculate other fields (taxes, grand total, etc) ?
I have tried something like this:
// bussiness logic here
final_amount = item.amount + handling;
frappe.model.set_value(cdt, cdn, "amount", final_amount);
But when I do save or submit document,
amount is reverted back to original value (
On which doctype you are doing calculations?
Purchase Order (Purchase Order Item). If it works, I will do on Purchase Invoice too.
then it is Override by controllers .
Hello! How you did it with js script? (before saving)
On public/js/controller/taxes_and_totals.js, there is a
calculate_item_values function that calculates rate*qty. You can override it (via custom script).
so how to do that could you give me code example?
Continuing the discussion from Override amount calculation:
Hello, brother this link is not working now… I am beginner in erpnext
will you please help to solve the similar issue I am facing …
my scenario is that I want to calculate
amount = rate * stock_qty
in sales order as well as purchase order …
how we can override calc_item_value() function using custom app
This solution talked about doctype class what I need it a core function override