ECOM-1869 adding new attribute credit hours.

ecommerce/courses/models.py

@@ -115,7 +115,7 @@ class Course(models.Model):
         return name
 
     def create_or_update_seat(self, certificate_type, id_verification_required, price, credit_provider=None,
-                              expires=None):
+                              expires=None, credit_hours=None):
         """
         Creates course seat products.
 
@@ -152,6 +152,9 @@ class Course(models.Model):
         if credit_provider:
             seat.attr.credit_provider = credit_provider
 
+        if credit_hours:
+            seat.attr.credit_hours = credit_hours
+
         seat.save()
 
         # TODO Expose via setting

ecommerce/courses/tests/test_models.py

@@ -138,7 +138,7 @@ class CourseTests(CourseCatalogTestMixin, TestCase):
         self.assertEqual(parent.attr.course_key, course.id)
 
     def assert_course_seat_valid(self, seat, course, certificate_type, id_verification_required, price,
-                                 credit_provider=None):
+                                 credit_provider=None, credit_hours=None):
         """ Ensure the given seat has the correct attribute values. """
         self.assertEqual(seat.structure, Product.CHILD)
         # pylint: disable=protected-access
@@ -152,6 +152,9 @@ class CourseTests(CourseCatalogTestMixin, TestCase):
         if credit_provider:
             self.assertEqual(seat.attr.credit_provider, credit_provider)
 
+        if credit_hours:
+            self.assertEqual(seat.attr.credit_hours, credit_hours)
+
     def test_create_or_update_seat(self):
         """ Verify the method creates or updates a seat Product. """
         course = Course.objects.create(id='a/b/c', name='Test Course')
@@ -170,12 +173,17 @@ class CourseTests(CourseCatalogTestMixin, TestCase):
         # Test update
         price = 100
         credit_provider = 'MIT'
-        course.create_or_update_seat(certificate_type, id_verification_required, price, credit_provider)
+        credit_hours = 2
+        course.create_or_update_seat(
+            certificate_type, id_verification_required, price, credit_provider, credit_hours=credit_hours
+        )
 
         # Again, only two seats with one being the parent seat product.
         self.assertEqual(course.products.count(), 2)
         seat = course.seat_products[0]
-        self.assert_course_seat_valid(seat, course, certificate_type, id_verification_required, price, credit_provider)
+        self.assert_course_seat_valid(
+            seat, course, certificate_type, id_verification_required, price, credit_provider, credit_hours=credit_hours
+        )
 
     def test_type(self):
         """ Verify the property returns a type value corresponding to the available products. """

ecommerce/credit/tests/test_views.py

@@ -27,6 +27,7 @@ class CheckoutPageTest(UserMixin, CourseCatalogTestMixin, TestCase):
         self.provider = 'ASU'
         self.price = 100
         self.thumbnail_url = 'http://www.edx.org/course.jpg'
+        self.credit_hours = 2
         # Create the course
         self.course = Course.objects.create(
             id=u'edx/Demo_Course/DemoX',
@@ -35,7 +36,9 @@ class CheckoutPageTest(UserMixin, CourseCatalogTestMixin, TestCase):
         )
 
         # Create the credit seat
-        self.seat = self.course.create_or_update_seat('credit', True, self.price, self.provider)
+        self.seat = self.course.create_or_update_seat(
+            'credit', True, self.price, self.provider, credit_hours=self.credit_hours
+        )
 
     @property
     def path(self):
@@ -74,3 +77,8 @@ class CheckoutPageTest(UserMixin, CourseCatalogTestMixin, TestCase):
         # Verify the payment processors are returned
         self.assertEqual(sorted(response.context['payment_processors'].keys()),
                          sorted([get_processor_class(path).NAME.lower() for path in settings.PAYMENT_PROCESSORS]))
+
+        self.assertContains(
+            response,
+            'You are purchasing {} credit hours for'.format(self.credit_hours)
+        )

ecommerce/extensions/catalogue/migrations/0009_credit_hours_attr.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+def create_credit_hours_attribute(apps, schema_editor):
+
+    # Get seat Object
+    ProductClass = apps.get_model('catalogue', 'ProductClass')
+    seat = ProductClass.objects.get(name='Seat')
+
+    # Create our Product Attributes
+    ProductAttribute = apps.get_model('catalogue', 'ProductAttribute')
+    ProductAttribute.objects.create(
+        product_class=seat,
+        name='credit_hours',
+        code='credit_hours',
+        type='integer',
+        required=False
+    )
+
+
+def delete_credit_hours_attribute(apps, schema_editor):
+    """For backward compatibility"""
+
+    # Delete our Product Attributes
+    ProductAttribute = apps.get_model('catalogue', 'ProductAttribute')
+    ProductAttribute.objects.filter(code='credit_hours').delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('catalogue', '0008_auto_20150709_1254'),
+    ]
+
+    operations = [
+        migrations.RunPython(create_credit_hours_attribute, delete_credit_hours_attribute),
+    ]

ecommerce/extensions/catalogue/tests/mixins.py

@@ -37,6 +37,7 @@ class CourseCatalogTestMixin(object):
                 ('course_key', 'text'),
                 ('credit_provider', 'text'),
                 ('id_verification_required', 'boolean'),
+                ('credit_hours', 'integer'),
             )
 
             for code, attr_type in attributes:

ecommerce/templates/edx/credit/checkout.html

@@ -12,7 +12,11 @@
             </div>
             <div class="col-sm-9">
                 <h3 class="title">
-                    Purchasing credit for:
+                    {% blocktrans count hours=credit_seats.0.attr.credit_hours %}
+                        You are purchasing 1 credit hour for:
+                    {% plural %}
+                        You are purchasing {{ hours }} credit hours for:
+                    {% endblocktrans %}
                     <span class="course-title text-nowrap">{{ course.name }}</span>
                 </h3>
                 Congratulations, you are eligible to purchase credit from {{ credit_seats.0.attr.credit_provider }} by Feb 05, 2013.