Exclude sale lines of gift cards from sale reporting

Closes #14418

modules/sale_gift_card/sale_reporting.py

@@ -0,0 +1,38 @@
+# 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 import Literal
+
+from trytond.pool import Pool
+
+
+class AbstractMixin:
+    __slots__ = ()
+
+    @classmethod
+    def _joins(cls):
+        pool = Pool()
+        Product = pool.get('product.product')
+        Template = pool.get('product.template')
+        from_item, tables, withs = super()._joins()
+        if 'line.product' not in tables:
+            product = Product.__table__()
+            tables['line.product'] = product
+            line = tables['line']
+            from_item = (from_item
+                .join(product, condition=line.product == product.id))
+        else:
+            product = tables['line.product']
+        if 'line.product.template' not in tables:
+            template = Template.__table__()
+            tables['line.product.template'] = template
+            from_item = (from_item
+                .join(template, condition=product.template == template.id))
+        return from_item, tables, withs
+
+    @classmethod
+    def _where(cls, tables, withs):
+        template = tables['line.product.template']
+        where = super()._where(tables, withs)
+        where &= template.gift_card != Literal(True)
+        return where

modules/sale_gift_card/tests/scenario_sale_gift_card.rst

@@ -31,6 +31,7 @@ Activate modules::
     >>> ProductUoM = Model.get('product.uom')
     >>> Sale = Model.get('sale.sale')
     >>> SaleConfig = Model.get('sale.configuration')
+    >>> SaleReporting = Model.get('sale.reporting.main')
     >>> Sequence = Model.get('ir.sequence')
     >>> SequenceType = Model.get('ir.sequence.type')
 
@@ -182,3 +183,9 @@ Check the invoice::
     >>> gift_card_line.quantity
     -1.0
     >>> assertEqual(gift_card_line.account, gift_card_revenue)
+
+Check sale reporting::
+
+    >>> report, = SaleReporting.find([])
+    >>> report.revenue
+    Decimal('100.00')

modules/sale_gift_card/tryton.cfg

@@ -45,3 +45,6 @@ model:
     sale.POSPayGiftCard
 wizard:
     sale.POSPay
+
+[register_mixin]
+sale_reporting.AbstractMixin: trytond.modules.sale.sale_reporting.Abstract