Set routing on production request supplied on sale

Closes #13295

modules/sale_supply_production/__init__.py

@@ -20,3 +20,7 @@ def register():
         module='sale_supply_production', type_='wizard')
     Pool.register(
         module='sale_supply_production', type_='report')
+    Pool.register(
+        sale.Line_Routing,
+        module='sale_supply_production', type_='model',
+        depends=['production_routing'])

modules/sale_supply_production/sale.py

@@ -112,3 +112,15 @@ class Line(metaclass=PoolMeta):
             state='request',
             origin=self,
             )
+
+
+class Line_Routing(metaclass=PoolMeta):
+    __name__ = 'sale.line'
+
+    def get_production(self, product_quantities, bom_pattern=None):
+        production = super().get_production(
+            product_quantities, bom_pattern=bom_pattern)
+        if production and production.product:
+            if pbom := production.product.get_bom(bom_pattern):
+                production.routing = pbom.routing
+        return production

modules/sale_supply_production/setup.py

@@ -50,7 +50,10 @@ for dep in info.get('depends', []):
         requires.append(get_require_version('trytond_%s' % dep))
 requires.append(get_require_version('trytond'))
 
-tests_require = [get_require_version('proteus')]
+tests_require = [
+    get_require_version('proteus'),
+    get_require_version('trytond_production_routing'),
+    ]
 
 setup(name=name,
     version=version,

modules/sale_supply_production/tests/scenario_sale_supply_production_routing.rst

@@ -0,0 +1,84 @@
+=======================================
+Sale Supply Production Routing Scenario
+=======================================
+
+Imports::
+
+    >>> from decimal import Decimal
+
+    >>> from proteus import Model
+    >>> from trytond.modules.company.tests.tools import create_company
+    >>> from trytond.tests.tools import activate_modules, assertEqual
+
+Activate modules::
+
+    >>> config = activate_modules(['sale_supply_production', 'production_routing'])
+
+    >>> BoM = Model.get('production.bom')
+    >>> Party = Model.get('party.party')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> ProductUom = Model.get('product.uom')
+    >>> Production = Model.get('production')
+    >>> Routing = Model.get('production.routing')
+    >>> Sale = Model.get('sale.sale')
+
+Create company::
+
+    >>> _ = create_company()
+
+Create parties::
+
+    >>> Party = Model.get('party.party')
+    >>> customer = Party(name="Customer")
+    >>> customer.save()
+
+Create product::
+
+    >>> unit, = ProductUom.find([('name', '=', "Unit")])
+
+    >>> template = ProductTemplate()
+    >>> template.name = "Product"
+    >>> template.default_uom = unit
+    >>> template.type = 'goods'
+    >>> template.producible = True
+    >>> template.salable = True
+    >>> template.supply_on_sale = 'always'
+    >>> template.list_price = Decimal(30)
+    >>> product, = template.products
+    >>> product.cost_price = Decimal(20)
+    >>> template.save()
+    >>> product, = template.products
+
+Create a Bill of Material with routing::
+
+    >>> bom = BoM(name="product")
+    >>> _ = bom.outputs.new(product=product, quantity=1)
+    >>> bom.save()
+    >>> routing = Routing(name="product")
+    >>> routing.boms.append(BoM(bom.id))
+    >>> routing.save()
+
+    >>> _ = product.boms.new(bom=bom, routing=routing)
+    >>> product.save()
+
+Sale 10 products::
+
+    >>> sale = Sale()
+    >>> sale.party = customer
+    >>> sale.invoice_method = 'manual'
+    >>> line = sale.lines.new()
+    >>> line.product = product
+    >>> line.quantity = 10
+    >>> sale.click('quote')
+    >>> sale.click('confirm')
+    >>> sale.state
+    'processing'
+
+Check the production::
+
+    >>> production, = Production.find([])
+    >>> production.state
+    'request'
+    >>> assertEqual(production.product, product)
+    >>> assertEqual(production.bom, bom)
+    >>> assertEqual(production.routing, routing)