Added new field "sku" in course_run's seat object

ECOM-4413

course_discovery/apps/api/serializers.py

@@ -259,6 +259,7 @@ class SeatSerializer(serializers.ModelSerializer):
     upgrade_deadline = serializers.DateTimeField()
     credit_provider = serializers.CharField()
     credit_hours = serializers.IntegerField()
+    sku = serializers.CharField()
 
     @classmethod
     def prefetch_queryset(cls):
@@ -266,7 +267,7 @@ class SeatSerializer(serializers.ModelSerializer):
 
     class Meta(object):
         model = Seat
-        fields = ('type', 'price', 'currency', 'upgrade_deadline', 'credit_provider', 'credit_hours',)
+        fields = ('type', 'price', 'currency', 'upgrade_deadline', 'credit_provider', 'credit_hours', 'sku',)
 
 
 class MinimalOrganizationSerializer(serializers.ModelSerializer):

course_discovery/apps/api/tests/test_serializers.py

@@ -940,7 +940,8 @@ class SeatSerializerTests(TestCase):
             'currency': seat.currency.code,
             'upgrade_deadline': json_date_format(seat.upgrade_deadline),
             'credit_provider': seat.credit_provider,  # pylint: disable=no-member
-            'credit_hours': seat.credit_hours  # pylint: disable=no-member
+            'credit_hours': seat.credit_hours,  # pylint: disable=no-member
+            'sku': seat.sku
         }
 
         self.assertDictEqual(serializer.data, expected)

course_discovery/apps/course_metadata/data_loaders/api.py

@@ -305,6 +305,7 @@ class EcommerceApiDataLoader(AbstractDataLoader):
         stock_record = product_body['stockrecords'][0]
         currency_code = stock_record['price_currency']
         price = Decimal(stock_record['price_excl_tax'])
+        sku = stock_record['partner_sku']
 
         try:
             currency = Currency.objects.get(code=currency_code)
@@ -323,6 +324,7 @@ class EcommerceApiDataLoader(AbstractDataLoader):
 
         defaults = {
             'price': price,
+            'sku': sku,
             'upgrade_deadline': self.parse_date(product_body.get('expires')),
             'credit_hours': credit_hours,
         }

course_discovery/apps/course_metadata/data_loaders/tests/mock_data.py

@@ -179,6 +179,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "USD",
                         "price_excl_tax": "0.00",
+                        "partner_sku": "sku001",
                     }
                 ]
             }
@@ -208,6 +209,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "EUR",
                         "price_excl_tax": "0.00",
+                        "partner_sku": "sku002",
                     }
                 ]
             },
@@ -224,6 +226,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "EUR",
                         "price_excl_tax": "25.00",
+                        "partner_sku": "sku003",
                     }
                 ]
             }
@@ -250,6 +253,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "USD",
                         "price_excl_tax": "0.00",
+                        "partner_sku": "sku004",
                     }
                 ]
             },
@@ -266,6 +270,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "USD",
                         "price_excl_tax": "25.00",
+                        "partner_sku": "sku005",
                     }
                 ]
             },
@@ -294,6 +299,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "USD",
                         "price_excl_tax": "250.00",
+                        "partner_sku": "sku006",
                     }
                 ]
             },
@@ -322,6 +328,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "USD",
                         "price_excl_tax": "250.00",
+                        "partner_sku": "sku007",
                     }
                 ]
             }
@@ -346,6 +353,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "123",
                         "price_excl_tax": "0.00",
+                        "partner_sku": "sku008",
                     }
                 ]
             }
@@ -370,6 +378,7 @@ ECOMMERCE_API_BODIES = [
                     {
                         "price_currency": "USD",
                         "price_excl_tax": "0.00",
+                        "partner_sku": "sku009",
                     }
                 ]
             }

course_discovery/apps/course_metadata/data_loaders/tests/test_api.py

@@ -345,6 +345,7 @@ class EcommerceApiDataLoaderTests(ApiClientTestMixin, DataLoaderTestMixin, TestC
             stock_record = product['stockrecords'][0]
             price_currency = stock_record['price_currency']
             price = Decimal(stock_record['price_excl_tax'])
+            sku = stock_record['partner_sku']
             certificate_type = Seat.AUDIT
             credit_provider = None
             credit_hours = None
@@ -372,6 +373,7 @@ class EcommerceApiDataLoaderTests(ApiClientTestMixin, DataLoaderTestMixin, TestC
             self.assertEqual(seat.credit_provider, credit_provider)
             self.assertEqual(seat.credit_hours, credit_hours)
             self.assertEqual(seat.upgrade_deadline, upgrade_deadline)
+            self.assertEqual(seat.sku, sku)
 
     @responses.activate
     def test_ingest(self):

course_discovery/apps/course_metadata/migrations/0038_seat_sku.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.11 on 2016-11-23 09:21
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course_metadata', '0037_migrate_courses_with_canonical'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='seat',
+            name='sku',
+            field=models.CharField(blank=True, max_length=128, null=True),
+        ),
+    ]

course_discovery/apps/course_metadata/models.py

@@ -535,6 +535,7 @@ class Seat(TimeStampedModel):
     upgrade_deadline = models.DateTimeField(null=True, blank=True)
     credit_provider = models.CharField(max_length=255, null=True, blank=True)
     credit_hours = models.IntegerField(null=True, blank=True)
+    sku = models.CharField(max_length=128, null=True, blank=True)
 
     class Meta(object):
         unique_together = (

course_discovery/apps/course_metadata/tests/factories.py

@@ -70,6 +70,7 @@ class SeatFactory(factory.DjangoModelFactory):
     price = FuzzyDecimal(0.0, 650.0)
     currency = factory.Iterator(Currency.objects.all())
     upgrade_deadline = FuzzyDateTime(datetime.datetime(2014, 1, 1, tzinfo=UTC))
+    sku = FuzzyText(length=8)
 
     class Meta:
         model = Seat