[FIX] stock_picking_accounting_date: fix price unit based on accounti…

…ng data and not today

stock_picking_accounting_date/models/stock_move.py

@@ -3,6 +3,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 from odoo import models
+from odoo.tools import float_round
 
 
 class StockMove(models.Model):
@@ -30,3 +31,40 @@ def _prepare_account_move_vals(
         if self.picking_id.accounting_date:
             am_vals.update({"date": self.picking_id.accounting_date})
         return am_vals
+
+    def _get_price_unit(self):
+        """Returns the unit price for the move"""
+        self.ensure_one()
+        if (
+            not self.origin_returned_move_id
+            and self.purchase_line_id
+            and self.product_id.id == self.purchase_line_id.product_id.id
+        ):
+            price_unit_prec = self.env["decimal.precision"].precision_get(
+                "Product Price"
+            )
+            line = self.purchase_line_id
+            order = line.order_id
+            price_unit = line.price_unit
+            if line.taxes_id:
+                qty = line.product_qty or 1
+                price_unit = line.taxes_id.with_context(round=False).compute_all(
+                    price_unit, currency=line.order_id.currency_id, quantity=qty
+                )["total_void"]
+                price_unit = float_round(
+                    price_unit / qty, precision_digits=price_unit_prec
+                )
+            if line.product_uom.id != line.product_id.uom_id.id:
+                price_unit *= line.product_uom.factor / line.product_id.uom_id.factor
+            if (
+                order.currency_id != order.company_id.currency_id
+                and self.picking_id.accounting_date
+            ):
+                return order.currency_id._convert(
+                    price_unit,
+                    order.company_id.currency_id,
+                    order.company_id,
+                    self.picking_id.accounting_date,
+                    round=False,
+                )
+        return super()._get_price_unit()