Starting a framework for handling the closure of an open ended problem.

Currently incomplete.

common/lib/xmodule/xmodule/combined_open_ended_module.py

@@ -188,6 +188,15 @@ class CombinedOpenEndedModule(XModule):
         self.task_xml = definition['task_xml']
         self.setup_next_task()
 
+    def closed(self):
+        return True
+        #''' Is the student still allowed to submit answers? '''
+        #if self.attempts == self.max_attempts:
+        #    return True
+        #if self.close_date is not None and datetime.datetime.utcnow() > self.close_date:
+        #    return True
+
+
     def get_tag_name(self, xml):
         """
         Gets the tag name of a given xml block.
@@ -269,7 +278,7 @@ class CombinedOpenEndedModule(XModule):
         self.current_task_parsed_xml = self.current_task_descriptor.definition_from_xml(etree_xml, self.system)
         if current_task_state is None and self.current_task_number == 0:
             self.current_task = child_task_module(self.system, self.location,
-                self.current_task_parsed_xml, self.current_task_descriptor, self.static_data)
+                self.current_task_parsed_xml, self.current_task_descriptor, self.static_data, self)
             self.task_states.append(self.current_task.get_instance_state())
             self.state = self.ASSESSING
         elif current_task_state is None and self.current_task_number > 0:
@@ -285,7 +294,7 @@ class CombinedOpenEndedModule(XModule):
             })
             self.current_task = child_task_module(self.system, self.location,
                 self.current_task_parsed_xml, self.current_task_descriptor, self.static_data,
-                instance_state=current_task_state)
+                self, instance_state=current_task_state)
             self.task_states.append(self.current_task.get_instance_state())
             self.state = self.ASSESSING
         else:
@@ -293,10 +302,11 @@ class CombinedOpenEndedModule(XModule):
                 current_task_state = self.overwrite_state(current_task_state)
             self.current_task = child_task_module(self.system, self.location,
                 self.current_task_parsed_xml, self.current_task_descriptor, self.static_data,
-                instance_state=current_task_state)
+                self, instance_state=current_task_state)
 
         return True
 
+
     def check_allow_reset(self):
         """
         Checks to see if the student has passed the criteria to move to the next module.  If not, sets
@@ -404,7 +414,7 @@ class CombinedOpenEndedModule(XModule):
 
         task_parsed_xml = task_descriptor.definition_from_xml(etree_xml, self.system)
         task = children['modules'][task_type](self.system, self.location, task_parsed_xml, task_descriptor,
-            self.static_data, instance_state=task_state)
+            self.static_data, self, instance_state=task_state)
         last_response = task.latest_answer()
         last_score = task.latest_score()
         last_post_assessment = task.latest_post_assessment(self.system)
@@ -700,4 +710,4 @@ class CombinedOpenEndedDescriptor(XmlDescriptor, EditingDescriptor):
         for child in ['task']:
             add_child(child)
 
-        return elt
+        return elt
\ No newline at end of file

common/lib/xmodule/xmodule/open_ended_module.py

@@ -548,13 +548,12 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
         @param system: modulesystem
         @return: Success indicator
         """
-        if self.attempts > self.max_attempts:
-            # If too many attempts, prevent student from saving answer and
-            # seeing rubric.  In normal use, students shouldn't see this because
-            # they won't see the reset button once they're out of attempts.
+        # Once we close the problem, we should not allow students
+        # to save answers
+        if self.closed():
             return {
                 'success': False,
-                'error': 'Too many attempts.'
+                'error': 'Problem is closed.'
             }
 
         if self.state != self.INITIAL:

common/lib/xmodule/xmodule/openendedchild.py

@@ -73,7 +73,7 @@ class OpenEndedChild(object):
         'done': 'Problem complete',
     }
 
-    def __init__(self, system, location, definition, descriptor, static_data,
+    def __init__(self, system, location, definition, descriptor, static_data, parent,
                  instance_state=None, shared_state=None, **kwargs):
         # Load instance state
         if instance_state is not None:
@@ -87,6 +87,8 @@ class OpenEndedChild(object):
         # Scores are on scale from 0 to max_score
         self.history = instance_state.get('history', [])
 
+        self.parent = parent
+
         self.state = instance_state.get('state', self.INITIAL)
 
         self.created = instance_state.get('created', False)
@@ -116,6 +118,9 @@ class OpenEndedChild(object):
         """
         pass
 
+    def closed(self):
+        return self.parent.closed()
+
     def latest_answer(self):
         """Empty string if not available"""
         if not self.history:

common/lib/xmodule/xmodule/self_assessment_module.py

@@ -189,14 +189,11 @@ class SelfAssessmentModule(openendedchild.OpenEndedChild):
             Dictionary with keys 'success' and either 'error' (if not success),
             or 'rubric_html' (if success).
         """
-        # Check to see if attempts are less than max
-        if self.attempts > self.max_attempts:
-            # If too many attempts, prevent student from saving answer and
-            # seeing rubric.  In normal use, students shouldn't see this because
-            # they won't see the reset button once they're out of attempts.
+        # Check to see if this problem is closed
+        if self.closed():
             return {
                 'success': False,
-                'error': 'Too many attempts.'
+                'error': 'This problem is now closed.'
             }
 
         if self.state != self.INITIAL:

common/lib/xmodule/xmodule/tests/test_combined_open_ended.py

@@ -43,11 +43,14 @@ class OpenEndedChildTest(unittest.TestCase):
             'accept_file_upload' : False,
             }
     definition = Mock()
+    parent = Mock()
+    parent.closed.return_value = False;
     descriptor = Mock()
 
     def setUp(self):
         self.openendedchild = OpenEndedChild(test_system, self.location, 
-                self.definition, self.descriptor, self.static_data, self.metadata) 
+                self.definition, self.descriptor, self.static_data, 
+                self.parent, self.metadata) 
  
 
     def test_latest_answer_empty(self):
@@ -166,6 +169,8 @@ class OpenEndedModuleTest(unittest.TestCase):
     ''')
     definition = {'oeparam': oeparam}
     descriptor = Mock()
+    parent = Mock()
+    parent.closed.return_value = False;
 
     def setUp(self):
         test_system.location = self.location
@@ -173,7 +178,8 @@ class OpenEndedModuleTest(unittest.TestCase):
         self.mock_xqueue.send_to_queue.return_value=(None, "Message")
         test_system.xqueue = {'interface':self.mock_xqueue, 'callback_url':'/', 'default_queuename': 'testqueue', 'waittime': 1}
         self.openendedmodule = OpenEndedModule(test_system, self.location, 
-                self.definition, self.descriptor, self.static_data, self.metadata) 
+                self.definition, self.descriptor, self.static_data, 
+                self.parent, self.metadata) 
 
     def test_message_post(self):
         get = {'feedback': 'feedback text',

common/lib/xmodule/xmodule/tests/test_self_assessment.py

@@ -30,6 +30,8 @@ class SelfAssessmentTest(unittest.TestCase):
     metadata = {'attempts': '10'}
 
     descriptor = Mock()
+    parent = Mock()
+    parent.closed.return_value = False
 
     def setUp(self):
         state = json.dumps({'student_answers': ["Answer 1", "answer 2", "answer 3"],
@@ -49,7 +51,8 @@ class SelfAssessmentTest(unittest.TestCase):
 
         self.module = SelfAssessmentModule(test_system, self.location,
                                       self.definition, self.descriptor,
-                                      static_data, state, metadata=self.metadata)
+                                      static_data, self.parent, 
+                                      state, metadata=self.metadata)
 
     def test_get_html(self):
         html = self.module.get_html(test_system)
@@ -72,6 +75,7 @@ class SelfAssessmentTest(unittest.TestCase):
 
         # if we now assess as right, skip the REQUEST_HINT state
         self.module.save_answer({'student_answer': 'answer 4'}, test_system)
+        self.parent.closed.assert_called_with()
         self.module.save_assessment({'assessment': '1'}, test_system)
         self.assertEqual(self.module.state, self.module.DONE)