[FIX] purchase: _get_stock_move_price_unit

valuation_price_unit must in the uom of the line.

Before the fix:

- Set "Use anglo-saxon accounting" True at company settings.
- Check that the "Account Properties" on product category are set (set a price difference account).
- Set costing method = Average price, Inventory valuation = Perpetual (automated).
- Create and confirm a PO (product purchased with unit of measure "Unit(s)" and purchase unit of measure "Dozen(s)")
- Validate shipment (Receive the product)
- Create and validate the supplier invoice
- View the accounting journal entries

Bug:

In the invoice journal entry, there were:

In the output account: debit=0.0 and credit=price unit of the PO line
In the price difference account: debit= (11/12)*price unit of the PO line and credit=0.0
In the input account: debit=(1/12)*price unit of the PO line and credit=0.0

Expected behavior:

In the output account: debit=0.0 and credit=price unit of the PO line
In the input account: debit=price unit of the PO line and credit=0.0

opw:694108

addons/purchase/invoice.py

@@ -157,6 +157,7 @@ class AccountInvoice(models.Model):
                                     valuation_price_unit_total += val_stock_move.price_unit * val_stock_move.product_qty
                                     valuation_total_qty += val_stock_move.product_qty
                                 valuation_price_unit = valuation_price_unit_total / valuation_total_qty
+                                valuation_price_unit = self.env['product.uom']._compute_price(i_line.product_id.uom_id.id, valuation_price_unit, i_line.uom_id.id)
                         if inv.currency_id.id != company_currency.id:
                             valuation_price_unit = company_currency.with_context(date=inv.date_invoice).compute(valuation_price_unit, inv.currency_id, round=False)
                         if float_compare(valuation_price_unit, i_line.price_unit, precision_digits=product_prec) != 0\