Added pacing field Course API

ECOM-3994

lms/djangoapps/course_api/serializers.py

@@ -55,6 +55,7 @@ class CourseSerializer(serializers.Serializer):  # pylint: disable=abstract-meth
     start = serializers.DateTimeField()
     start_display = serializers.CharField()
     start_type = serializers.CharField()
+    pacing = serializers.CharField()
 
     # 'course_id' is a deprecated field, please use 'id' instead.
     course_id = serializers.CharField(source='id', read_only=True)

lms/djangoapps/course_api/tests/test_serializers.py

@@ -2,8 +2,10 @@
 Test data created by CourseSerializer and CourseDetailSerializer
 """
 
+from __future__ import unicode_literals
 from datetime import datetime
 
+import ddt
 from openedx.core.djangoapps.models.course_details import CourseDetails
 from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
 from rest_framework.test import APIRequestFactory
@@ -18,6 +20,7 @@ from ..serializers import CourseSerializer, CourseDetailSerializer
 from .mixins import CourseApiFactoryMixin
 
 
+@ddt.ddt
 class TestCourseSerializer(CourseApiFactoryMixin, ModuleStoreTestCase):
     """
     Test CourseSerializer
@@ -54,6 +57,7 @@ class TestCourseSerializer(CourseApiFactoryMixin, ModuleStoreTestCase):
             'enrollment_end': u'2015-07-15T00:00:00Z',
             'blocks_url': u'http://testserver/api/courses/v1/blocks/?course_id=edX%2Ftoy%2F2012_Fall',
             'effort': u'6 hours',
+            'pacing': 'instructor',
 
             # 'course_id' is a deprecated field, please use 'id' instead.
             'course_id': u'edX/toy/2012_Fall',
@@ -101,6 +105,16 @@ class TestCourseSerializer(CourseApiFactoryMixin, ModuleStoreTestCase):
         self.assertEqual(result['start_type'], u'empty')
         self.assertIsNone(result['start_display'])
 
+    @ddt.unpack
+    @ddt.data(
+        (True, 'self'),
+        (False, 'instructor'),
+    )
+    def test_pacing(self, self_paced, expected_pacing):
+        course = self.create_course(self_paced=self_paced)
+        result = self._get_result(course)
+        self.assertEqual(result['pacing'], expected_pacing)
+
 
 class TestCourseDetailSerializer(TestCourseSerializer):  # pylint: disable=test-inherits-tests
     """

lms/djangoapps/course_api/views.py

@@ -52,6 +52,7 @@ class CourseDetailView(DeveloperErrorViewMixin, RetrieveAPIView):
             * `"string"`: manually set
             * `"timestamp"`: generated form `start` timestamp
             * `"empty"`: the start date should not be shown
+        * pacing: Course pacing. Possible values: instructor, self
 
         Deprecated fields:
 
@@ -94,7 +95,8 @@ class CourseDetailView(DeveloperErrorViewMixin, RetrieveAPIView):
                 "overview: "<p>A verbose description of the course.</p>"
                 "start": "2015-07-17T12:00:00Z",
                 "start_display": "July 17, 2015",
-                "start_type": "timestamp"
+                "start_type": "timestamp",
+                "pacing": "instructor"
             }
     """
 

openedx/core/djangoapps/content/course_overviews/migrations/0010_auto_20160329_2317.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course_overviews', '0009_readd_facebook_url'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='courseoverview',
+            name='facebook_url',
+        ),
+        migrations.AddField(
+            model_name='courseoverview',
+            name='self_paced',
+            field=models.BooleanField(default=False),
+        ),
+    ]

openedx/core/djangoapps/content/course_overviews/models.py

@@ -45,7 +45,7 @@ class CourseOverview(TimeStampedModel):
         app_label = 'course_overviews'
 
     # IMPORTANT: Bump this whenever you modify this model and/or add a migration.
-    VERSION = 3
+    VERSION = 4
 
     # Cache entry versioning.
     version = IntegerField()
@@ -98,6 +98,7 @@ class CourseOverview(TimeStampedModel):
     short_description = TextField(null=True)
     course_video_url = TextField(null=True)
     effort = TextField(null=True)
+    self_paced = BooleanField(default=False)
 
     @classmethod
     def _create_from_course(cls, course):
@@ -181,6 +182,7 @@ class CourseOverview(TimeStampedModel):
             short_description=CourseDetails.fetch_about_attribute(course.id, 'short_description'),
             effort=CourseDetails.fetch_about_attribute(course.id, 'effort'),
             course_video_url=CourseDetails.fetch_video_url(course.id),
+            self_paced=course.self_paced,
         )
 
     @classmethod
@@ -551,6 +553,16 @@ class CourseOverview(TimeStampedModel):
 
         return self.apply_cdn_to_urls(urls)
 
+    @property
+    def pacing(self):
+        """ Returns the pacing for the course.
+
+        Potential values:
+            self: Self-paced courses
+            instructor: Instructor-led courses
+        """
+        return 'self' if self.self_paced else 'instructor'
+
     def apply_cdn_to_urls(self, image_urls):
         """
         Given a dict of resolutions -> urls, return a copy with CDN applied.