Best approach for field mapping

[Jev Björsell]

I need some guidance with mapping data between the Sales Order DocType and the Delivery Note Item doctype during the composing of a new Delivery Note using the 'From Sales Order' action.

My use case:

I have a custom field called po_number on the `Delivery Note Item` object. When building a Delivery Note from one or more Sales Orders, I want the `tabDelivery Note Item`.po_number to be populated with the value from the corresponding `tabSales Order`.po_no value.

For example. I have two Sales Orders, each with their own lines.

SO1 with po_no == abc

|--> SO1Line1

`--> SO1Line2

SO2 with po_no == 123

|--> SO2Line1

`--> SO2Line2

I create a new Delivery Note, and using the 'From Sales Order' action, I load both SO1 and SO2 onto this new delivery note.

The result I want is:

DeliveryNote1

|--> SO1Line1     po_number == abc

|--> SO1Line2     po_number == abc

|--> SO2Line1     po_number == 123

`--> SO2Line2     po_number == 123

What's the best approach for this? A Custom Script? Can someone please provide an example?

Thank you,
-Jev

[Nabin Hait]

You can look into make_delivery_note() function in selling/doctype/sales_order/sales_order.py file.

That function maps doclist from sales order to delivery note. There is a sub-function called update_item(), you can easily add following line in that function to fulfil your requirements.

target.po_number = source_parent.po_number

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[Jev Björsell]

Great. I put that mapping in place, restarted gunicorn, and everything is working well.

Thank you.

-Jev

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