Missing conversion of unit price to company currency

The currency of unit price on move is defined by the currency field.
So to compute the cost price, it should first be converted to the company
currency.

issue5057
review19561002

move.py

@@ -3,6 +3,7 @@
 from decimal import Decimal
 from trytond.model import Workflow, ModelView, fields, Check
 from trytond.pool import Pool, PoolMeta
+from trytond.transaction import Transaction
 
 __all__ = ['Move']
 __metaclass__ = PoolMeta
@@ -36,8 +37,9 @@ class Move:
         fifo_quantity on the concerned incomming moves. Return the
         cost price for outputing the given product and quantity.
         '''
-
-        Uom = Pool().get('product.uom')
+        pool = Pool()
+        Uom = pool.get('product.uom')
+        Currency = pool.get('currency.currency')
 
         total_qty = Uom.compute_qty(self.uom, self.quantity,
             self.product.default_uom, round=False)
@@ -49,7 +51,11 @@ class Move:
         for move, move_qty in fifo_moves:
             consumed_qty += move_qty
 
-            move_unit_price = Uom.compute_price(move.uom, move.unit_price,
+            with Transaction().set_context(date=move.effective_date):
+                move_unit_price = Currency.compute(
+                    move.currency, move.unit_price,
+                    self.company.currency, round=False)
+            move_unit_price = Uom.compute_price(move.uom, move_unit_price,
                     move.product.default_uom)
             cost_price += move_unit_price * Decimal(str(move_qty))