get course completions by user

fix for breaking test

lms/djangoapps/api_manager/users/tests.py

@@ -1025,3 +1025,47 @@ class UsersApiTests(TestCase):
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.data['count'], 0)
         self.assertEqual(len(response.data['results']), 0)
+
+    def test_user_completions_list(self):
+        user_id = self.user.id
+        another_user_id = UserFactory().id
+        completion_uri = '/api/courses/{}/completions/'.format(self.course.id)
+
+        for i in xrange(1, 17):
+            if i > 7:
+                course_user_id = another_user_id
+            else:
+                course_user_id = user_id
+            completions_data = {'content_id': '{}_{}'.format(self.course_content.id, i), 'user_id': course_user_id}
+            response = self.do_post(completion_uri, completions_data)
+            self.assertEqual(response.status_code, 201)
+
+        # Get course module completion by user
+        completion_list_uri = '/api/users/{}/courses/{}/completions/?page_size=5'.format(user_id, self.course.id)
+        response = self.do_get(completion_list_uri)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.data['count'], 7)
+        self.assertEqual(len(response.data['results']), 5)
+        self.assertEqual(response.data['results'][0]['user_id'], user_id)
+        self.assertEqual(response.data['results'][0]['course_id'], self.course.id)
+        self.assertEqual(response.data['num_pages'], 2)
+
+        # Get course module completion by other user
+        completion_list_uri = '/api/users/{}/courses/{}/completions/'.format(another_user_id, self.course.id)
+        response = self.do_get(completion_list_uri)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.data['count'], 9)
+
+        # Get course module completion by other user and course module id
+        completion_list_uri = '/api/users/{}/courses/{}/completions/?content_id={}'.format(
+            another_user_id,
+            self.course.id,
+            '{}_{}'.format(self.course_content.id, 10))
+        response = self.do_get(completion_list_uri)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.data['count'], 1)
+
+        # Get course module completion by bogus user
+        completion_list_uri = '/api/users/{}/courses/{}/completions/'.format('34323422', self.course.id)
+        response = self.do_get(completion_list_uri)
+        self.assertEqual(response.status_code, 404)

lms/djangoapps/api_manager/users/urls.py

@@ -13,6 +13,7 @@ urlpatterns = patterns(
     url(r'^(?P<user_id>[a-zA-Z0-9]+)/courses/(?P<course_id>[^/]+/[^/]+/[^/]+)$', users_views.UsersCoursesDetail.as_view(), name='users-courses-detail'),
     url(r'^(?P<user_id>[a-zA-Z0-9]+)/courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/grades$', users_views.UsersCoursesGradesDetail.as_view(), name='users-courses-grades-detail'),
     url(r'^(?P<user_id>[a-zA-Z0-9]+)/courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/metrics/social/$', users_views.UsersSocialMetrics.as_view(), name='users-social-metrics'),
+    url(r'^(?P<user_id>[a-zA-Z0-9]+)/courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/completions/$', users_views.UsersCoursesCompletionsList.as_view(), name='users-courses-completions-list'),
     url(r'^(?P<user_id>[a-zA-Z0-9]+)/groups/*$', users_views.UsersGroupsList.as_view(), name='users-groups-list'),
     url(r'^(?P<user_id>[a-zA-Z0-9]+)/groups/(?P<group_id>[0-9]+)$', users_views.UsersGroupsDetail.as_view(), name='users-groups-detail'),
     url(r'^(?P<user_id>[a-zA-Z0-9]+)/preferences$', users_views.UsersPreferences.as_view(), name='users-preferences-list'),

lms/djangoapps/api_manager/users/views.py

@@ -17,6 +17,7 @@ from django.db.models import Q
 from api_manager.permissions import SecureAPIView, SecureListAPIView
 from api_manager.models import GroupProfile, APIUser as User
 from api_manager.organizations.serializers import OrganizationSerializer
+from api_manager.courses.serializers import CourseModuleCompletionSerializer
 from api_manager.utils import generate_base_uri
 from projects.serializers import BasicWorkgroupSerializer
 from .serializers import UserSerializer
@@ -918,6 +919,37 @@ class UsersWorkgroupsList(SecureListAPIView):
         return queryset
 
 
+class UsersCoursesCompletionsList(SecureListAPIView):
+    """
+    ### The UsersCoursesCompletionsList view allows clients to retrieve a list of course completions
+    for a user
+    - URI: ```/api/users/{user_id}/courses/{course_id}/completions/```
+    - GET: Provides paginated list of course completions a user
+    To filter the user's course completions by course content
+    GET ```/api/users/{user_id}/courses/{course_id}/completions/?content_id={content_id}```
+    """
+
+    serializer_class = CourseModuleCompletionSerializer
+
+    def get_queryset(self):
+        user_id = self.kwargs['user_id']
+        course_id = self.kwargs.get('course_id', None)
+        content_id = self.request.QUERY_PARAMS.get('content_id', None)
+        try:
+            user = User.objects.get(id=user_id)
+        except ObjectDoesNotExist:
+            raise Http404
+
+        queryset = user.course_completions.all()
+
+        if course_id:
+            queryset = queryset.filter(course_id=course_id)
+        if content_id:
+            queryset = queryset.filter(content_id=content_id)
+
+        return queryset
+
+
 class UsersSocialMetrics(SecureListAPIView):
     """
     ### The UsersSocialMetrics view allows clients to query about the activity of a user in the