Merge pull request #1529 from MITx/feature/vik/oe-messages

Feature/vik/oe messages

lms/djangoapps/open_ended_grading/controller_query_service.py → common/lib/xmodule/xmodule/open_ended_grading_classes/controller_query_service.py

 import logging
-from xmodule.open_ended_grading_classes.grading_service_module import GradingService
-
-from xmodule.x_module import ModuleSystem
-from mitxmako.shortcuts import render_to_string
+from grading_service_module import GradingService
 
 log = logging.getLogger(__name__)
 
@@ -11,8 +8,8 @@ class ControllerQueryService(GradingService):
     """
     Interface to staff grading backend.
     """
-    def __init__(self, config):
-        config['system'] = ModuleSystem(None, None, None, render_to_string, None)
+    def __init__(self, config, system):
+        config['system'] = system
         super(ControllerQueryService, self).__init__(config)
         self.url = config['url'] + config['grading_controller']
         self.login_url = self.url + '/login/'
@@ -77,3 +74,16 @@ class ControllerQueryService(GradingService):
 
         response = self.post(self.take_action_on_flags_url, params)
         return response
+
+def convert_seconds_to_human_readable(seconds):
+    if seconds < 60:
+        human_string = "{0} seconds".format(seconds)
+    elif seconds < 60 * 60:
+        human_string = "{0} minutes".format(round(seconds/60,1))
+    elif seconds < (24*60*60):
+        human_string = "{0} hours".format(round(seconds/(60*60),1))
+    else:
+        human_string = "{0} days".format(round(seconds/(60*60*24),1))
+
+    eta_string = "{0}".format(human_string)
+    return eta_string

common/lib/xmodule/xmodule/open_ended_grading_classes/open_ended_module.py

@@ -663,17 +663,21 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
         Output: Rendered HTML
         """
         #set context variables and render template
+        eta_string = None
         if self.state != self.INITIAL:
             latest = self.latest_answer()
             previous_answer = latest if latest is not None else self.initial_display
             post_assessment = self.latest_post_assessment(system)
             score = self.latest_score()
             correct = 'correct' if self.is_submission_correct(score) else 'incorrect'
+            if self.state == self.ASSESSING:
+                eta_string = self.get_eta()
         else:
             post_assessment = ""
             correct = ""
             previous_answer = self.initial_display
 
+
         context = {
             'prompt': self.prompt,
             'previous_answer': previous_answer,
@@ -686,6 +690,7 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
             'child_type': 'openended',
             'correct': correct,
             'accept_file_upload': self.accept_file_upload,
+            'eta_message' : eta_string,
         }
         html = system.render_template('open_ended.html', context)
         return html

common/lib/xmodule/xmodule/open_ended_grading_classes/openendedchild.py

@@ -23,6 +23,7 @@ from xmodule.xml_module import XmlDescriptor
 from xmodule.modulestore import Location
 from capa.util import *
 from peer_grading_service import PeerGradingService
+import controller_query_service
 
 from datetime import datetime
 
@@ -106,8 +107,10 @@ class OpenEndedChild(object):
         # completion (doesn't matter if you self-assessed correct/incorrect).
         self._max_score = static_data['max_score']
         self.peer_gs = PeerGradingService(system.open_ended_grading_interface, system)
+        self.controller_qs = controller_query_service.ControllerQueryService(system.open_ended_grading_interface,system)
 
         self.system = system
+        
         self.location_string = location
         try:
             self.location_string = self.location_string.url()
@@ -438,14 +441,14 @@ class OpenEndedChild(object):
         error_string = ("You need to peer grade {0} more in order to make another submission.  "
         "You have graded {1}, and {2} are required.  You have made {3} successful peer grading submissions.")
         try:
-            response = self.peer_gs.get_data_for_location(location, student_id)
+            response = self.peer_gs.get_data_for_location(self.location_string, student_id)
             count_graded = response['count_graded']
             count_required = response['count_required']
             student_sub_count = response['student_sub_count']
             success = True
         except:
             #This is a dev_facing_error
-            log.error("Could not contact external open ended graders for location {0} and student {1}".format(location,student_id))
+            log.error("Could not contact external open ended graders for location {0} and student {1}".format(self.location_string,student_id))
             #This is a student_facing_error
             error_message = "Could not contact the graders.  Please notify course staff."
             return success, allowed_to_submit, error_message
@@ -457,3 +460,24 @@ class OpenEndedChild(object):
             error_message = error_string.format(count_required-count_graded, count_graded, count_required, student_sub_count)
             return success, allowed_to_submit, error_message
 
+    def get_eta(self):
+        response = self.controller_qs.check_for_eta(self.location_string)
+        try:
+            response = json.loads(response)
+        except:
+            pass
+
+        success = response['success']
+        if isinstance(success, basestring):
+            success = (success.lower()=="true")
+
+        if success:
+            eta = controller_query_service.convert_seconds_to_human_readable(response['eta'])
+            eta_string = "Please check back for your response in at most {0}.".format(eta)
+        else:
+            eta_string = ""
+
+        return eta_string
+
+
+

lms/djangoapps/open_ended_grading/open_ended_notifications.py

 from django.conf import settings
 from xmodule.open_ended_grading_classes import peer_grading_service
 from staff_grading_service import StaffGradingService
-from open_ended_grading.controller_query_service import ControllerQueryService
+from xmodule.open_ended_grading_classes.controller_query_service import ControllerQueryService
 import json
 from student.models import unique_id_for_user
 from courseware.models import StudentModule
@@ -93,7 +93,8 @@ def peer_grading_notifications(course, user):
 
 
 def combined_notifications(course, user):
-    controller_qs = ControllerQueryService(settings.OPEN_ENDED_GRADING_INTERFACE)
+    system = ModuleSystem(None, None, None, render_to_string, None)
+    controller_qs = ControllerQueryService(settings.OPEN_ENDED_GRADING_INTERFACE, system)
     student_id = unique_id_for_user(user)
     user_is_staff = has_access(user, course, 'staff')
     course_id = course.id

lms/djangoapps/open_ended_grading/views.py

@@ -11,7 +11,8 @@ from django.core.urlresolvers import reverse
 from student.models import unique_id_for_user
 from courseware.courses import get_course_with_access
 
-from controller_query_service import ControllerQueryService
+from xmodule.x_module import ModuleSystem
+from xmodule.open_ended_grading_classes.controller_query_service import ControllerQueryService, convert_seconds_to_human_readable
 from xmodule.open_ended_grading_classes.grading_service_module import GradingServiceError
 import json
 from student.models import unique_id_for_user
@@ -22,12 +23,14 @@ from xmodule.modulestore.django import modulestore
 from xmodule.modulestore import search
 
 from django.http import HttpResponse, Http404, HttpResponseRedirect
+from mitxmako.shortcuts import render_to_string
 
 log = logging.getLogger(__name__)
 
 template_imports = {'urllib': urllib}
 
-controller_qs = ControllerQueryService(settings.OPEN_ENDED_GRADING_INTERFACE)
+system = ModuleSystem(None, None, None, render_to_string, None)
+controller_qs = ControllerQueryService(settings.OPEN_ENDED_GRADING_INTERFACE, system)
 
 """
 Reverses the URL from the name and the course id, and then adds a trailing slash if
@@ -150,6 +153,18 @@ def student_problem_list(request, course_id):
             problem_url_parts = search.path_to_location(modulestore(), course.id, problem_list[i]['location'])
             problem_url = generate_problem_url(problem_url_parts, base_course_url)
             problem_list[i].update({'actual_url': problem_url})
+            eta_available = problem_list[i]['eta_available']
+            if isinstance(eta_available, basestring):
+                eta_available = (eta_available.lower() == "true")
+
+            eta_string = "N/A"
+            if eta_available:
+                try:
+                    eta_string = convert_seconds_to_human_readable(int(problem_list[i]['eta']))
+                except:
+                    #This is a student_facing_error
+                    eta_string = "Error getting ETA."
+            problem_list[i].update({'eta_string' : eta_string})
 
     except GradingServiceError:
         #This is a student_facing_error

lms/templates/open_ended.html

@@ -15,7 +15,12 @@
     % elif state in ['done', 'post_assessment'] and correct == 'incorrect':
     <span class="incorrect" id="status_${id}"></span> <p>Incorrect. </p>
     % elif state == 'assessing':
-      <span class="grading" id="status_${id}">Submitted for grading.</span>
+      <span class="grading" id="status_${id}">Submitted for grading.
+      % if eta_message is not None:
+         ${eta_message}
+      % endif
+      </span>
+
     % endif
 
     % if hidden:

lms/templates/open_ended_problems/open_ended_problems.html

@@ -27,7 +27,8 @@
             <tr>
                 <th>Problem Name</th>
                 <th>Status</th>
-                <th>Type of Grading</th>
+                <th>Grader Type</th>
+                <th>ETA</th>
             </tr>
             %for problem in problem_list:
             <tr>
@@ -40,6 +41,9 @@
                 <td> 
                     ${problem['grader_type']}
                 </td>
+                <td>
+                    ${problem['eta_string']}
+                </td>
             </tr>
             %endfor
         </table>

lms/templates/peer_grading/peer_grading_problem.html

@@ -43,8 +43,8 @@
           <p>Please include some written feedback as well.</p>
           <textarea name="feedback" placeholder="Feedback for student"
                     class="feedback-area" cols="70" ></textarea>
-          <p class="flag-student-container">Flag this submission for review by course staff (use if the submission contains inappropriate content): <input type="checkbox" class="flag-checkbox" value="student_is_flagged"></p>
-          <p class="answer-unknown-container">I do not know how to grade this question: <input type="checkbox" class="answer-unknown-checkbox" value="answer_is_unknown"></p>
+          <div class="flag-student-container"> <input type="checkbox" class="flag-checkbox" value="student_is_flagged"> Flag this submission for review by course staff (use if the submission contains inappropriate content) </div>
+          <div class="answer-unknown-container"> <input type="checkbox" class="answer-unknown-checkbox" value="answer_is_unknown"> I do not know how to grade this question </div>
         </div>