Merge pull request #24122 from edx/ndalfonso/AA-133-mfe-dates-banner

AA-133 mfe dates banner

lms/djangoapps/course_home_api/course_metadata/v1/serializers.py

@@ -35,3 +35,4 @@ class CourseHomeMetadataSerializer(serializers.Serializer):
     org = serializers.CharField()
     tabs = CourseTabSerializer(many=True)
     title = serializers.CharField()
+    is_self_paced = serializers.BooleanField()

lms/djangoapps/course_home_api/course_metadata/v1/views.py

@@ -50,7 +50,6 @@ class CourseHomeMetadataView(RetrieveAPIView):
         course_key_string = kwargs.get('course_key_string')
         course_key = CourseKey.from_string(course_key_string)
         course = course_detail(request, request.user.username, course_key)
-
         data = {
             'course_id': course.id,
             'is_staff': has_access(request.user, 'staff', course_key).has_access,
@@ -58,6 +57,7 @@ class CourseHomeMetadataView(RetrieveAPIView):
             'org': course.display_org_with_default,
             'tabs': get_course_tab_list(request.user, course),
             'title': course.display_name_with_default,
+            'is_self_paced': getattr(course, 'self_paced', False),
         }
         context = self.get_serializer_context()
         context['course'] = course

lms/djangoapps/course_home_api/dates/v1/serializers.py

@@ -7,6 +7,7 @@ Dates Tab Serializers. Represents the relevant dates for a Course.
 from rest_framework import serializers
 
 from lms.djangoapps.courseware.date_summary import VerificationDeadlineDate
+from lms.djangoapps.course_home_api.mixins import DatesBannerSerializerMixin
 
 
 class DateSummarySerializer(serializers.Serializer):
@@ -33,7 +34,7 @@ class DateSummarySerializer(serializers.Serializer):
         return ''
 
 
-class DatesTabSerializer(serializers.Serializer):
+class DatesTabSerializer(DatesBannerSerializerMixin, serializers.Serializer):
     """
     Serializer for the Dates Tab
     """

lms/djangoapps/course_home_api/dates/v1/tests/test_views.py

@@ -56,3 +56,13 @@ class DatesTabTestViews(BaseCourseHomeTests):
         url = reverse('course-home-dates-tab', args=['course-v1:unknown+course+2T2020'])
         response = self.client.get(url)
         self.assertEqual(response.status_code, 404)
+
+    @COURSE_HOME_MICROFRONTEND.override(active=True)
+    @COURSE_HOME_MICROFRONTEND_DATES_TAB.override(active=True)
+    def test_banner_data_is_returned(self):
+        response = self.client.get(self.url)
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'missed_deadlines')
+        self.assertContains(response, 'missed_gated_content')
+        self.assertContains(response, 'content_type_gating_enabled')
+        self.assertContains(response, 'verified_upgrade_link')

lms/djangoapps/course_home_api/mixins.py

@@ -0,0 +1,45 @@
+# pylint: disable=abstract-method
+"""
+Course Home Mixins.
+"""
+
+
+from rest_framework import serializers
+
+from opaque_keys.edx.keys import CourseKey
+
+from lms.djangoapps.courseware.date_summary import verified_upgrade_deadline_link
+from openedx.features.content_type_gating.models import ContentTypeGatingConfig
+from openedx.features.course_experience.utils import dates_banner_should_display
+
+
+class DatesBannerSerializerMixin(serializers.Serializer):
+    """
+    Serializer Mixin for displaying the dates banner.
+    Can be added to any serializer who's tab wants to display it.
+    """
+    dates_banner_info = serializers.SerializerMethodField()
+
+    def get_dates_banner_info(self, _):
+        """
+        Serializer mixin for returning date banner info.  Gets its input from
+        the views course_key_string url parameter and the request's user object.
+        """
+        info = {
+            'missed_deadlines': False,
+            'content_type_gating_enabled': False,
+        }
+        course_key_string = self.context['view'].kwargs.get('course_key_string')
+        if course_key_string:
+            course_key = CourseKey.from_string(course_key_string)
+            request = self.context['request']
+            missed_deadlines, missed_gated_content = dates_banner_should_display(course_key, request.user)
+            info['missed_deadlines'] = missed_deadlines
+            info['missed_gated_content'] = missed_gated_content
+            info['content_type_gating_enabled'] = ContentTypeGatingConfig.enabled_for_enrollment(
+                user=request.user,
+                course_key=course_key,
+            )
+            if info['content_type_gating_enabled']:
+                info['verified_upgrade_link'] = verified_upgrade_deadline_link(request.user, course_id=course_key)
+        return info