Move certificates_show_before_end into a new variable

Mark it as deprecated, but maintain backwards compatibility.

ECOM-11

common/djangoapps/student/tests/tests.py

@@ -54,7 +54,7 @@ class CourseEndingTest(TestCase):
     def test_cert_info(self):
         user = Mock(username="fred")
         survey_url = "http://a_survey.com"
-        course = Mock(end_of_course_survey_url=survey_url, certificates_show_before_end=False)
+        course = Mock(end_of_course_survey_url=survey_url, certificates_display_behavior='end')
 
         self.assertEqual(_cert_info(user, course, None),
                          {'status': 'processing',
@@ -133,21 +133,14 @@ class CourseEndingTest(TestCase):
                           'mode': 'honor'
                           })
 
-        # test when the status is true, we get the correct results out
-        course2.certificates_show_before_end = True
+        # test when the display is unavailable or notpassing, we get the correct results out
+        course2.certificates_display_behavior = 'early_no_info'
         cert_status = {'status': 'unavailable'}
         self.assertIsNone(_cert_info(user, course2, cert_status))
 
         cert_status = {'status': 'notpassing', 'grade': '67',
                        'download_url': download_url, 'mode': 'honor'}
-        self.assertEqual(_cert_info(user, course2, cert_status),
-                         {'status': 'notpassing',
-                          'show_disabled_download_button': False,
-                          'show_download_url': False,
-                          'show_survey_button': False,
-                          'grade': '67',
-                          'mode': 'honor'
-                          })
+        self.assertIsNone(_cert_info(user, course2, cert_status))
 
 
 @override_settings(MODULESTORE=TEST_DATA_MIXED_MODULESTORE)

common/djangoapps/student/views.py

@@ -285,7 +285,9 @@ def _cert_info(user, course, cert_status):
     if cert_status is None:
         return default_info
 
-    if cert_status['status'] == 'unavailable' and course.certificates_show_before_end:
+    is_hidden_status = cert_status['status'] in ('unavailable', 'processing', 'generating', 'notpassing')
+
+    if course.certificates_display_behavior == 'early_no_info' and is_hidden_status:
         return None
 
     status = template_state.get(cert_status['status'], default_status)

common/lib/xmodule/xmodule/course_module.py

@@ -452,7 +452,15 @@ class CourseFields(object):
         display_name=_("Certificates Downloadable Before End"),
         help=_("Enter true or false. If true, students can download certificates before the course ends, if they've met certificate requirements."),
         scope=Scope.settings,
-        default=False
+        default=False,
+        deprecated=True
+    )
+
+    certificates_display_behavior = String(
+        display_name=_("Certificates Display Behavior"),
+        help=_("Has three possible states: 'end', 'early_with_info', 'early_no_info'. 'end' is the default behavior, where certificates will only appear after a course has ended. 'early_with_info' will display all certificate information before a course has ended. 'early_no_info' will hide all certificate information unless a student has earned a certificate."),
+        scope=Scope.settings,
+        default="end"
     )
     course_image = String(
         display_name=_("Course About Page Image"),
@@ -711,7 +719,8 @@ class CourseDescriptor(CourseFields, SequenceDescriptor):
         """
         Return True if it is acceptable to show the student a certificate download link
         """
-        return self.certificates_show_before_end or self.has_ended()
+        show_early = self.certificates_display_behavior in ('early_with_info', 'early_no_info') or self.certificates_show_before_end
+        return show_early or self.has_ended()
 
     def has_started(self):
         return datetime.now(UTC()) > self.start

common/lib/xmodule/xmodule/tests/test_course_module.py

@@ -49,7 +49,7 @@ class DummySystem(ImportSystem):
         )
 
 
-def get_dummy_course(start, announcement=None, is_new=None, advertised_start=None, end=None, certs=False):
+def get_dummy_course(start, announcement=None, is_new=None, advertised_start=None, end=None, certs='end'):
     """Get a dummy course"""
 
     system = DummySystem(load_error_modules=True)
@@ -70,7 +70,7 @@ def get_dummy_course(start, announcement=None, is_new=None, advertised_start=Non
                 {is_new}
                 {advertised_start}
                 {end}
-                certificates_show_before_end="{certs}">
+                certificates_display_behavior="{certs}">
             <chapter url="hi" url_name="ch" display_name="CH">
                 <html url_name="h" display_name="H">Two houses, ...</html>
             </chapter>
@@ -100,10 +100,12 @@ class HasEndedMayCertifyTestCase(unittest.TestCase):
         #""".format(org=ORG, course=COURSE)
         past_end = (datetime.now() - timedelta(days=12)).strftime("%Y-%m-%dT%H:%M:00")
         future_end = (datetime.now() + timedelta(days=12)).strftime("%Y-%m-%dT%H:%M:00")
-        self.past_show_certs = get_dummy_course("2012-01-01T12:00", end=past_end, certs=True)
-        self.past_noshow_certs = get_dummy_course("2012-01-01T12:00", end=past_end, certs=False)
-        self.future_show_certs = get_dummy_course("2012-01-01T12:00", end=future_end, certs=True)
-        self.future_noshow_certs = get_dummy_course("2012-01-01T12:00", end=future_end, certs=False)
+        self.past_show_certs = get_dummy_course("2012-01-01T12:00", end=past_end, certs='early_with_info')
+        self.past_show_certs_no_info = get_dummy_course("2012-01-01T12:00", end=past_end, certs='early_no_info')
+        self.past_noshow_certs = get_dummy_course("2012-01-01T12:00", end=past_end, certs='end')
+        self.future_show_certs = get_dummy_course("2012-01-01T12:00", end=future_end, certs='early_with_info')
+        self.future_show_certs_no_info = get_dummy_course("2012-01-01T12:00", end=future_end, certs='early_no_info')
+        self.future_noshow_certs = get_dummy_course("2012-01-01T12:00", end=future_end, certs='end')
         #self.past_show_certs = system.process_xml(sample_xml.format(end=past_end, cert=True))
         #self.past_noshow_certs = system.process_xml(sample_xml.format(end=past_end, cert=False))
         #self.future_show_certs = system.process_xml(sample_xml.format(end=future_end, cert=True))
@@ -112,15 +114,19 @@ class HasEndedMayCertifyTestCase(unittest.TestCase):
     def test_has_ended(self):
         """Check that has_ended correctly tells us when a course is over."""
         self.assertTrue(self.past_show_certs.has_ended())
+        self.assertTrue(self.past_show_certs_no_info.has_ended())
         self.assertTrue(self.past_noshow_certs.has_ended())
         self.assertFalse(self.future_show_certs.has_ended())
+        self.assertFalse(self.future_show_certs_no_info.has_ended())
         self.assertFalse(self.future_noshow_certs.has_ended())
 
     def test_may_certify(self):
         """Check that may_certify correctly tells us when a course may wrap."""
         self.assertTrue(self.past_show_certs.may_certify())
         self.assertTrue(self.past_noshow_certs.may_certify())
+        self.assertTrue(self.past_show_certs_no_info.may_certify())
         self.assertTrue(self.future_show_certs.may_certify())
+        self.assertTrue(self.future_show_certs_no_info.may_certify())
         self.assertFalse(self.future_noshow_certs.may_certify())