mattdrayer/api-2632-fix: Fixed bugs related to proforma grade calculation/retrieval

lms/djangoapps/api_manager/courses/tests.py

@@ -18,7 +18,6 @@ from django.core.exceptions import ObjectDoesNotExist
 from django.test import Client
 from django.test.utils import override_settings
 
-
 from capa.tests.response_xml_factory import StringResponseXMLFactory
 from courseware import module_render
 from courseware.tests.factories import StudentModuleFactory

lms/djangoapps/api_manager/users/views.py

@@ -949,16 +949,16 @@ class UsersCoursesGradesDetail(SecureAPIView):
         progress_summary = grades.progress_summary(student, request, course_descriptor)  # pylint: disable=W0612
         grade_summary = grades.grade(student, request, course_descriptor)
         grading_policy = course_descriptor.grading_policy
-        current_grade = 0
-        proforma_grade = 0
 
         queryset = StudentGradebook.objects.filter(
             user=student,
             course_id__exact=course_key,
         )
+        current_grade = 0
+        proforma_grade = 0
         if len(queryset):
             current_grade = queryset[0].grade
-            proforma_grade = grades.calculate_proforma_grade(grade_summary, grading_policy)
+            proforma_grade = queryset[0].proforma_grade
 
         response_data = {
             'courseware_summary': progress_summary,

lms/djangoapps/gradebook/management/commands/generate_gradebook_entries.py

@@ -72,12 +72,12 @@ class Command(BaseCommand):
                 proforma_grade = grades.calculate_proforma_grade(grade_data, course.grading_policy)
                 try:
                     gradebook_entry = StudentGradebook.objects.get(user=user, course_id=course.id)
-                    if gradebook_entry.grade != grade:
+                    if gradebook_entry.grade != grade or gradebook_entry.proforma_grade != proforma_grade:
                         gradebook_entry.grade = grade
-                        proforma_grade = proforma_grade
+                        gradebook_entry.proforma_grade = proforma_grade
                         gradebook_entry.save()
                 except StudentGradebook.DoesNotExist:
                     StudentGradebook.objects.create(user=user, course_id=course.id, grade=grade, proforma_grade=proforma_grade)
-                log_msg = 'Gradebook entry created -- Course: {}, User: {}  (grade: {})'.format(course.id, user.id, grade)
+                log_msg = 'Gradebook entry created -- Course: {}, User: {}  (grade: {}, proforma_grade: {})'.format(course.id, user.id, grade, proforma_grade)
                 print log_msg
                 log.info(log_msg)

lms/djangoapps/gradebook/management/commands/tests/test_generate_gradebook_entries.py

@@ -153,6 +153,7 @@ class GenerateGradebookEntriesTests(ModuleStoreTestCase):
         self.assertEqual(len(current_entries), 1)
         user0_entry = StudentGradebook.objects.get(user=self.users[0])
         self.assertEqual(user0_entry.grade, 0.24)
+        self.assertEqual(user0_entry.proforma_grade, 0.28575)
 
         # Enable the signalling mechanism
         settings._wrapped.default_settings.FEATURES['SIGNAL_ON_SCORE_CHANGED'] = True
@@ -170,6 +171,13 @@ class GenerateGradebookEntriesTests(ModuleStoreTestCase):
         self.assertEqual(len(current_entries), 2)
         user0_entry = StudentGradebook.objects.get(user=self.users[0])
         self.assertEqual(user0_entry.grade, 0.50)
+        self.assertEqual(user0_entry.proforma_grade, 0.54975)
+
+        # Alter the user's grade and proforma grade to ensure we trigger the update logic
+        user0_entry = StudentGradebook.objects.get(user=self.users[0])
+        user0_entry.grade = 0.25
+        user0_entry.proforma_grade = 0.55
+        user0_entry.save()
 
         # Run the command across all users, but just for the specified course
         generate_gradebook_entries.Command().handle(course_ids=course_ids)
@@ -178,10 +186,13 @@ class GenerateGradebookEntriesTests(ModuleStoreTestCase):
         current_entries = StudentGradebook.objects.all()
         self.assertEqual(len(current_entries), 3)
         current_entries = StudentGradebookHistory.objects.all()
-        self.assertEqual(len(current_entries), 4)
+        self.assertEqual(len(current_entries), 6)
         user0_entry = StudentGradebook.objects.get(user=self.users[0])
         self.assertEqual(user0_entry.grade, 0.50)
+        self.assertEqual(user0_entry.proforma_grade, 0.54975)
         user1_entry = StudentGradebook.objects.get(user=self.users[1])
         self.assertEqual(user1_entry.grade, 0.48)
+        self.assertEqual(user1_entry.proforma_grade, 0.5715)
         user2_entry = StudentGradebook.objects.get(user=self.users[2])
         self.assertEqual(user2_entry.grade, 0.72)
+        self.assertEqual(user2_entry.proforma_grade, 0.85725)