Allow authors to remove option for unproctored exams

TNL-5084

common/lib/xmodule/xmodule/course_module.py

@@ -740,6 +740,17 @@ class CourseFields(object):
         scope=Scope.settings
     )
 
+    allow_proctoring_opt_out = Boolean(
+        display_name=_("Allow Opting Out of Proctored Exams"),
+        help=_(
+            "Enter true or false. If this value is true, learners can choose to take proctored exams "
+            "without proctoring. If this value is false, all learners must take the exam with proctoring. "
+            "This setting only applies if proctored exams are enabled for the course."
+        ),
+        default=True,
+        scope=Scope.settings
+    )
+
     create_zendesk_tickets = Boolean(
         display_name=_("Create Zendesk Tickets For Suspicious Proctored Exam Attempts"),
         help=_(
@@ -752,7 +763,8 @@ class CourseFields(object):
     enable_timed_exams = Boolean(
         display_name=_("Enable Timed Exams"),
         help=_(
-            "Enter true or false. If this value is true, timed exams are enabled in your course."
+            "Enter true or false. If this value is true, timed exams are enabled in your course. "
+            "Regardless of this setting, timed exams are enabled if Enable Proctored Exams is set to true."
         ),
         default=False,
         scope=Scope.settings

common/lib/xmodule/xmodule/seq_module.py

@@ -117,6 +117,12 @@ class ProctoringFields(object):
         scope=Scope.settings,
     )
 
+    def _get_course(self):
+        """
+        Return course by course id.
+        """
+        return self.descriptor.runtime.modulestore.get_course(self.course_id)  # pylint: disable=no-member
+
     @property
     def is_timed_exam(self):
         """
@@ -130,6 +136,14 @@ class ProctoringFields(object):
         """ Alias the is_proctored_enabled field to the more legible is_proctored_exam """
         return self.is_proctored_enabled
 
+    @property
+    def allow_proctoring_opt_out(self):
+        """
+        Returns true if the learner should be given the option to choose between
+        taking a proctored exam, or opting out to take the exam without proctoring.
+        """
+        return self._get_course().allow_proctoring_opt_out
+
     @is_proctored_exam.setter
     def is_proctored_exam(self, value):
         """ Alias the is_proctored_enabled field to the more legible is_proctored_exam """
@@ -453,6 +467,7 @@ class SequenceModule(SequenceFields, ProctoringFields, XModule):
                     self.default_time_limit_minutes else 0
                 ),
                 'is_practice_exam': self.is_practice_exam,
+                'allow_proctoring_opt_out': self.allow_proctoring_opt_out,
                 'due_date': self.due
             }
 

common/test/acceptance/pages/studio/settings_advanced.py

@@ -220,6 +220,7 @@ class AdvancedSettingsPage(CoursePage):
             'video_bumper',
             'cert_html_view_enabled',
             'enable_proctored_exams',
+            'allow_proctoring_opt_out',
             'enable_timed_exams',
             'enable_subsection_gating',
             'learning_info',