Merge pull request #10959 from edx/course_overview/manual_seeding

Course Overview - require manual seeding of the table

openedx/core/djangoapps/content/course_overviews/management/commands/generate_course_overview.py

@@ -33,12 +33,10 @@ class Command(BaseCommand):
 
     def handle(self, *args, **options):
 
+        course_keys = []
         if options['all']:
-            # Have CourseOverview generate course overviews for all
-            # the courses in the system.
-            CourseOverview.get_all_courses(force_reseeding=True)
+            course_keys = [course.id for course in modulestore().get_courses()]
         else:
-            course_keys = []
             if len(args) < 1:
                 raise CommandError('At least one course or --all must be specified.')
             try:
@@ -49,4 +47,4 @@ class Command(BaseCommand):
             if not course_keys:
                 log.fatal('No courses specified.')
 
-            CourseOverview.get_select_courses(course_keys)
+        CourseOverview.get_select_courses(course_keys)

openedx/core/djangoapps/content/course_overviews/migrations/0005_delete_courseoverviewgeneratedhistory.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course_overviews', '0004_courseoverview_org'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='CourseOverviewGeneratedHistory',
+        ),
+    ]

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

@@ -447,45 +447,20 @@ class CourseOverview(TimeStampedModel):
         return course_overviews
 
     @classmethod
-    def get_all_courses(cls, force_reseeding=False, org=None):
+    def get_all_courses(cls, org=None):
         """
         Returns all CourseOverview objects in the database.
 
         Arguments:
-            force_reseeding (bool): Optional parameter.
-
-                If True, the modulestore is used as the source of truth for
-                the list of courses, even if the CourseOverview table was
-                previously seeded.  However, only non-existing CourseOverview
-                entries or those with older data model versions or will get
-                populated.
-
-                If False, the list of courses is retrieved from the
-                CourseOverview table if it was previously seeded, falling
-                back to the modulestore if it wasn't seeded.
-
             org (string): Optional parameter that allows filtering
                 by organization.
         """
-        if force_reseeding or not CourseOverviewGeneratedHistory.objects.first():
-            # Seed the CourseOverview table with data for all
-            # courses in the system.
-            course_keys = [course.id for course in modulestore().get_courses()]
-            course_overviews = cls.get_select_courses(course_keys)
-            num_courses = len(course_overviews)
-            CourseOverviewGeneratedHistory.objects.create(num_courses=num_courses)
-            if org:
-                course_overviews = [c for c in course_overviews if c.org == org]
-
-        else:
-            # Note: If a newly created course is not returned in this QueryList,
-            # make sure the "publish" signal was emitted when the course was
-            # created.  For tests using CourseFactory, use emit_signals=True.
-            # Or pass True for force_reseeding.
-            course_overviews = CourseOverview.objects.all()
-            if org:
-                course_overviews = course_overviews.filter(org=org)
-
+        # Note: If a newly created course is not returned in this QueryList,
+        # make sure the "publish" signal was emitted when the course was
+        # created.  For tests using CourseFactory, use emit_signals=True.
+        course_overviews = CourseOverview.objects.all()
+        if org:
+            course_overviews = course_overviews.filter(org=org)
         return course_overviews
 
     @classmethod
@@ -516,14 +491,3 @@ class CourseOverviewTab(models.Model):
     """
     tab_id = models.CharField(max_length=50)
     course_overview = models.ForeignKey(CourseOverview, db_index=True, related_name="tabs")
-
-
-class CourseOverviewGeneratedHistory(TimeStampedModel):
-    """
-    Model for keeping track of when CourseOverview Models are
-    generated/seeded.
-    """
-    num_courses = IntegerField(null=True)
-
-    def __unicode__(self):
-        return self.num_courses

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

@@ -450,7 +450,7 @@ class CourseOverviewTestCase(ModuleStoreTestCase):
         )
 
     def test_get_all_courses(self):
-        course_ids = [CourseFactory.create().id for __ in range(3)]
+        course_ids = [CourseFactory.create(emit_signals=True).id for __ in range(3)]
         self.assertSetEqual(
             {course_overview.id for course_overview in CourseOverview.get_all_courses()},
             set(course_ids),
@@ -462,22 +462,14 @@ class CourseOverviewTestCase(ModuleStoreTestCase):
             CourseOverview.get_all_courses()
             self.assertFalse(mock_get_from_id.called)
 
-            CourseOverview.get_all_courses(force_reseeding=True)
-            self.assertTrue(mock_get_from_id.called)
-
     def test_get_all_courses_by_org(self):
         org_courses = []  # list of lists of courses
         for index in range(2):
             org_courses.append([
-                CourseFactory.create(org='test_org_' + unicode(index))
+                CourseFactory.create(org='test_org_' + unicode(index), emit_signals=True)
                 for __ in range(3)
             ])
 
-        self.assertSetEqual(
-            {c.id for c in CourseOverview.get_all_courses(org='test_org_0', force_reseeding=True)},
-            {c.id for c in org_courses[0]},
-        )
-
         self.assertSetEqual(
             {c.id for c in CourseOverview.get_all_courses(org='test_org_1')},
             {c.id for c in org_courses[1]},