[SOL-1953] Update Commerce Configuration

lms/djangoapps/commerce/migrations/0005_auto_20160831_0247.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sites', '0001_initial'),
+        ('commerce', '0004_auto_20160531_0950'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='commerceconfiguration',
+            name='receipt_page',
+        ),
+        migrations.AddField(
+            model_name='commerceconfiguration',
+            name='site',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.SET_NULL, blank=True, to='sites.Site', null=True),
+        ),
+    ]

lms/djangoapps/commerce/models.py

 """
 Commerce-related models.
 """
+from django.contrib.sites.models import Site
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
 from config_models.models import ConfigurationModel
+from openedx.core.djangoapps.site_configuration.models import SiteConfiguration
+
+from logging import getLogger
+logger = getLogger(__name__)  # pylint: disable=invalid-name
 
 
 class CommerceConfiguration(ConfigurationModel):
@@ -33,15 +38,41 @@ class CommerceConfiguration(ConfigurationModel):
             'Specified in seconds. Enable caching by setting this to a value greater than 0.'
         )
     )
-    receipt_page = models.CharField(
-        max_length=255,
-        default='/commerce/checkout/receipt/?orderNum=',
-        help_text=_('Path to order receipt page.')
+    site = models.ForeignKey(
+        Site,
+        on_delete=models.SET_NULL,
+        blank=True,
+        null=True
     )
 
     def __unicode__(self):
         return "Commerce configuration"
 
+    def get_receipt_page_url(self, order_number):
+        """
+        Return absolute receipt page URL.
+
+        Arguments:
+            order_number (str): Order number
+
+        Returns:
+            Absolute receipt page URL, consisting of site domain and site receipt page.
+        """
+        site = self.site
+        if site:
+            try:
+                return '{site_domain}{receipt_page_url}{order_number}'.format(
+                    site_domain=site.domain,
+                    receipt_page_url=site.configuration.receipt_page_url,  # pylint: disable=no-member
+                    order_number=order_number
+                )
+            except AttributeError:
+                logger.info("Site Configuration is not enabled for site (%s).", site)
+        return '{default_receipt_page_url}{order_number}'.format(
+            default_receipt_page_url=SiteConfiguration.DEFAULT_RECEIPT_PAGE_URL,
+            order_number=order_number
+        )
+
     @property
     def is_cache_enabled(self):
         """Whether responses from the Ecommerce API will be cached."""

lms/djangoapps/commerce/tests/test_models.py

+""" Tests for commerce models. """
+
+import ddt
+
+from django.test import TestCase
+
+from commerce.models import CommerceConfiguration
+from microsite_configuration.tests.factories import SiteFactory
+from openedx.core.djangoapps.site_configuration.models import SiteConfiguration
+from openedx.core.djangoapps.site_configuration.tests.factories import SiteConfigurationFactory
+
+
+@ddt.ddt
+class CommerceConfigurationModelTests(TestCase):
+    """ Tests for the CommerceConfiguration model. """
+
+    def setUp(self):
+        """
+        Create CommerceConfiguration object
+        """
+        super(CommerceConfigurationModelTests, self).setUp()
+        self.site = SiteFactory()
+        self.order_number = "TEST_ORDER_NUMBER"
+
+    def configure_commerce(self, is_configured, is_default_page):
+        """
+        Helper for creating specific Commerce Configuration.
+
+        Arguments:
+            is_configured (bool): Indicates whether or not the Site has Site Configuration.
+            is_default_page (bool): Indicates whether or not the LMS receipt page is used
+
+        Returns:
+            Commerce configuration.
+        """
+        if not is_default_page:
+            if is_configured:
+                SiteConfigurationFactory.create(
+                    site=self.site,
+                    receipt_page_url='receipt/page/url',
+                )
+
+        return CommerceConfiguration.objects.create(
+            enabled=True,
+            site=self.site if not is_default_page else None
+        )
+
+    @ddt.data((True, False), (False, False), (False, True))
+    @ddt.unpack
+    def test_get_receipt_page_url_site_configured(self, is_configured, is_default_page):
+        commerce_configuration = self.configure_commerce(is_configured, is_default_page)
+        receipt_page_url = commerce_configuration.get_receipt_page_url(self.order_number)
+        expected_receipt_page_url = '{site_domain}{receipt_page_url}{order_number}'.format(
+            site_domain=self.site.domain,
+            receipt_page_url=self.site.configuration.receipt_page_url,  # pylint: disable=no-member
+            order_number=self.order_number
+        ) if (is_configured and not is_default_page) else '{default_receipt_page_url}{order_number}'.format(
+            default_receipt_page_url=SiteConfiguration.DEFAULT_RECEIPT_PAGE_URL,
+            order_number=self.order_number
+        )
+        self.assertEqual(
+            receipt_page_url,
+            expected_receipt_page_url
+        )

lms/djangoapps/commerce/tests/test_views.py

@@ -5,7 +5,6 @@ from nose.plugins.attrib import attr
 import ddt
 import json
 from django.core.urlresolvers import reverse
-from django.test import TestCase
 import mock
 
 from student.tests.factories import UserFactory

lms/djangoapps/student_account/views.py

@@ -347,7 +347,7 @@ def get_user_orders(user):
                                     'order_date': strftime_localized(
                                         date_placed.replace(tzinfo=pytz.UTC), 'SHORT_DATE'
                                     ),
-                                    'receipt_url': commerce_configuration.receipt_page + order['number']
+                                    'receipt_url': commerce_configuration.get_receipt_page_url(order['number'])
                                 }
                                 user_orders.append(order_data)
                             except KeyError:

openedx/core/djangoapps/site_configuration/migrations/0003_siteconfiguration_receipt_page_url.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('site_configuration', '0002_auto_20160720_0231'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='siteconfiguration',
+            name='receipt_page_url',
+            field=models.CharField(default=b'/commerce/checkout/receipt/?orderNum=', help_text='Path to order receipt page.', max_length=255),
+        ),
+    ]

openedx/core/djangoapps/site_configuration/models.py

@@ -7,6 +7,7 @@ from django.db import models
 from django.contrib.sites.models import Site
 from django.db.models.signals import post_save
 from django.dispatch import receiver
+from django.utils.translation import ugettext_lazy as _
 
 from django_extensions.db.models import TimeStampedModel
 from jsonfield.fields import JSONField
@@ -25,6 +26,8 @@ class SiteConfiguration(models.Model):
         site (OneToOneField): one to one field relating each configuration to a single site
         values (JSONField):  json field to store configurations for a site
     """
+    DEFAULT_RECEIPT_PAGE_URL = '/commerce/checkout/receipt/?orderNum='
+
     site = models.OneToOneField(Site, related_name='configuration')
     enabled = models.BooleanField(default=False, verbose_name="Enabled")
     values = JSONField(
@@ -32,6 +35,11 @@ class SiteConfiguration(models.Model):
         blank=True,
         load_kwargs={'object_pairs_hook': collections.OrderedDict}
     )
+    receipt_page_url = models.CharField(
+        max_length=255,
+        default=DEFAULT_RECEIPT_PAGE_URL,
+        help_text=_('Path to order receipt page.')
+    )
 
     def __unicode__(self):
         return u"<SiteConfiguration: {site} >".format(site=self.site)