remove discount banner from track selection

openedx/features/course_experience/tests/views/test_course_home.py

@@ -219,7 +219,7 @@ class TestCourseHomePage(CourseHomePageTestCase):
 
         # Fetch the view and verify the query counts
         # TODO: decrease query count as part of REVO-28
-        with self.assertNumQueries(88, table_blacklist=QUERY_COUNT_TABLE_BLACKLIST):
+        with self.assertNumQueries(90, table_blacklist=QUERY_COUNT_TABLE_BLACKLIST):
             with check_mongo_calls(4):
                 url = course_home_url(self.course)
                 self.client.get(url)

openedx/features/discounts/applicability.py

@@ -14,10 +14,12 @@ from datetime import datetime, timedelta
 
 from crum import get_current_request, impersonate
 from django.utils import timezone
+from django.utils.dateparse import parse_datetime
 import pytz
 
 from course_modes.models import CourseMode
 from entitlements.models import CourseEntitlement
+from experiments.models import ExperimentData
 from lms.djangoapps.experiments.stable_bucketing import stable_bucketing_hash_group
 from openedx.core.djangoapps.waffle_utils import WaffleFlag, WaffleFlagNamespace
 from openedx.features.discounts.models import DiscountPercentageConfig, DiscountRestrictionConfig
@@ -42,6 +44,7 @@ DISCOUNT_APPLICABILITY_FLAG = WaffleFlag(
 )
 
 DISCOUNT_APPLICABILITY_HOLDBACK = 'first_purchase_discount_holdback'
+REV1008_EXPERIMENT_ID = 15
 
 
 def get_discount_expiration_date(user, course):
@@ -61,23 +64,33 @@ def get_discount_expiration_date(user, course):
     if len(course_enrollment) != 1:
         return None
 
-    enrollment = course_enrollment.first()
+    time_limit_start = None
     try:
-        # Content availability date is equivalent to max(enrollment date, course start date)
-        # for most people. Using the schedule date will provide flexibility to deal with
-        # more complex business rules in the future.
-        content_availability_date = enrollment.schedule.start
-        # We have anecdotally observed a case where the schedule.start was
-        # equal to the course start, but should have been equal to the enrollment start
-        # https://openedx.atlassian.net/browse/PROD-58
-        # This section is meant to address that case
-        if enrollment.created and course.start:
-            if (content_availability_date.date() == course.start.date() and
-               course.start < enrollment.created < timezone.now()):
-                content_availability_date = enrollment.created
-    except CourseEnrollment.schedule.RelatedObjectDoesNotExist:
-        content_availability_date = max(enrollment.created, course.start)
-    discount_expiration_date = content_availability_date + timedelta(weeks=1)
+        saw_banner = ExperimentData.objects.get(user=user, experiment_id=REV1008_EXPERIMENT_ID, key=str(course))
+        time_limit_start = parse_datetime(saw_banner.value)
+    except ExperimentData.DoesNotExist:
+        pass
+
+    if not time_limit_start:
+        enrollment = course_enrollment.first()
+        try:
+            # Content availability date is equivalent to max(enrollment date, course start date)
+            # for most people. Using the schedule date will provide flexibility to deal with
+            # more complex business rules in the future.
+            content_availability_date = enrollment.schedule.start
+            # We have anecdotally observed a case where the schedule.start was
+            # equal to the course start, but should have been equal to the enrollment start
+            # https://openedx.atlassian.net/browse/PROD-58
+            # This section is meant to address that case
+            if enrollment.created and course.start:
+                if (content_availability_date.date() == course.start.date() and
+                   course.start < enrollment.created < timezone.now()):
+                    content_availability_date = enrollment.created
+        except CourseEnrollment.schedule.RelatedObjectDoesNotExist:
+            content_availability_date = max(enrollment.created, course.start)
+        time_limit_start = content_availability_date
+
+    discount_expiration_date = time_limit_start + timedelta(weeks=1)
 
     # If the course has an upgrade deadline and discount time limit would put the discount expiration date
     # after the deadline, then change the expiration date to be the upgrade deadline

openedx/features/discounts/utils.py

@@ -2,11 +2,17 @@
 Utility functions for working with discounts and discounted pricing.
 """
 
+from datetime import datetime
+
 import six
 from django.utils.translation import ugettext as _
+import pytz
+
 from course_modes.models import get_course_prices, format_course_price
 from lms.djangoapps.courseware.date_summary import verified_upgrade_deadline_link
 from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
+from experiments.models import ExperimentData
+
 from openedx.core.djangolib.markup import HTML
 from web_fragments.fragment import Fragment
 from openedx.features.discounts.applicability import (
@@ -15,6 +21,8 @@ from openedx.features.discounts.applicability import (
     discount_percentage
 )
 
+REV1008_EXPERIMENT_ID = 15
+
 
 def offer_banner_wrapper(user, block, view, frag, context):  # pylint: disable=W0613
     """
@@ -95,7 +103,15 @@ def get_first_purchase_offer_banner_fragment(user, course):
     which has the discount_expiration_date, price,
     discount percentage and a link to upgrade.
     """
-    if user and course:
+    if user and not user.is_anonymous and course:
+        now = datetime.now(tz=pytz.UTC).strftime(u"%Y-%m-%d %H:%M:%S%z")
+        saw_banner = ExperimentData.objects.filter(
+            user=user, experiment_id=REV1008_EXPERIMENT_ID, key=str(course)
+        )
+        if not saw_banner:
+            ExperimentData.objects.create(
+                user=user, experiment_id=REV1008_EXPERIMENT_ID, key=str(course), value=now
+            )
         discount_expiration_date = get_discount_expiration_date(user, course)
         if (discount_expiration_date and
                 can_receive_discount(user=user, course=course, discount_expiration_date=discount_expiration_date)):