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modules/stock_shipment_cost/stock_reporting_margin.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+from sql.aggregate import Sum
+from sql.conditionals import Coalesce
+
+from trytond.model import fields
+from trytond.pool import PoolMeta
+from trytond.transaction import Transaction
+
+
+class AbstractShipmentOutCostMixin:
+    __slots__ = ()
+
+    @classmethod
+    def _column_cost(cls, tables, withs, sign):
+        move = tables['move']
+        cost = super()._column_cost(tables, withs, sign)
+        if Transaction().context.get('include_shipment_cost'):
+            cost += Sum(
+                sign * cls.cost.sql_cast(move.internal_quantity)
+                * Coalesce(move.shipment_out_cost_price, 0))
+        return cost
+
+
+class Context(metaclass=PoolMeta):
+    __name__ = 'stock.reporting.margin.context'
+
+    include_shipment_cost = fields.Boolean("Include Shipment Cost")
+
+    @classmethod
+    def default_include_shipment_cost(cls):
+        return Transaction().context.get('include_shipment_cost', False)