From 14fbf769da8cd62cf659931b52bedc2367f4b4ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 23 Apr 2020 21:44:00 +0200
Subject: [PATCH] Add round_price

We add a common method to round prices that are stored using the price digits.
It is useless to use the digits from the field because it can not be changed in
any other way than by configuration.

issue9146
review299521002
---
 production.py | 5 +++--
 tryton.cfg    | 1 +
 work.py       | 5 ++---
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/production.py b/production.py
index 5b231df6d1..354e5ddf57 100644
--- a/production.py
+++ b/production.py
@@ -11,6 +11,8 @@ from trytond.model.exceptions import AccessError
 from trytond.pyson import Eval, Bool
 from trytond.transaction import Transaction
 
+from trytond.modules.product import round_price
+
 
 class Production(metaclass=PoolMeta):
     __name__ = 'production'
@@ -60,8 +62,7 @@ class Production(metaclass=PoolMeta):
                 cycle_cost = Decimal(cycle_cost)
             cost += cycle_cost
 
-        digits = self.__class__.cost.digits
-        return cost.quantize(Decimal(str(10 ** -digits[1])))
+        return round_price(cost)
 
     @classmethod
     @ModelView.button
diff --git a/tryton.cfg b/tryton.cfg
index d34a0f811c..1bcbcb1c81 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -3,6 +3,7 @@ version=5.5.0
 depends:
     company
     ir
+    product
     production
     production_routing
     stock
diff --git a/work.py b/work.py
index 9e7c20266c..d09912fe5a 100644
--- a/work.py
+++ b/work.py
@@ -14,7 +14,7 @@ from trytond.pool import Pool
 from trytond.pyson import Eval, If, Bool
 from trytond.transaction import Transaction
 
-from trytond.modules.product import price_digits
+from trytond.modules.product import price_digits, round_price
 from .exceptions import PickerError
 
 
@@ -314,7 +314,6 @@ class WorkCycle(Workflow, ModelSQL, ModelView):
             if center.cost_method == 'cycle':
                 self.cost = center.cost_price
             elif center.cost_method == 'hour':
-                digits = self.__class__.cost.digits
                 hours = self.duration.total_seconds() / (60 * 60)
                 self.cost = center.cost_price * Decimal(str(hours))
-                self.cost = self.cost.quantize(Decimal(str(10 ** -digits[1])))
+                self.cost = round_price(self.cost)