New peer grading view on the lms side

lms/djangoapps/open_ended_grading/peer_grading_service.py

@@ -36,5 +36,59 @@ class PeerGradingService(GradingService):
                 'submission_id' : submission_id,
                 'score' : score,
                 'feedback' : feedback,
-                'submission_key', submission_key}
+                'submission_key': submission_key}
         return self.post(self.save_grade_url, False, data)
+
+
+def peer_grading_service():
+    """
+    Return a peer grading service instance--if settings.MOCK_PEER_GRADING is True,
+    returns a mock one, otherwise a real one.
+
+    Caches the result, so changing the setting after the first call to this
+    function will have no effect.
+    """
+    global _service
+    if _service is not None:
+        return _service
+
+    _service = PeerGradingService(settings.PEER_GRADING_INTERFACE)
+
+    return _service
+
+def _err_response(msg):
+    """
+    Return a HttpResponse with a json dump with success=False, and the given error message.
+    """
+    return HttpResponse(json.dumps({'success': False, 'error': msg}),
+                        mimetype="application/json")
+
+def get_next_submission(request, course_id):
+    required = set(['location'])
+    if request.method != 'POST':
+        raise Http404
+    actual = set(request.POST.keys())
+    missing = required - actual
+    if len(missing) > 0:
+        return _err_response('Missing required keys {0}'.format(
+            ', '.join(missing)))
+    grader_id = request.user.id
+    p = request.POST
+    location = p['location']
+
+    return HttpResponse(_get_next(course_id, request.user.id, location),
+                        mimetype="application/json")
+
+def _get_next_submission(course_id, grader_id, location):
+    """
+    Implementation of get_next (also called from save_grade) -- returns a json string
+    """
+    try:
+        return peer_grading_service().get_next_submission(location, grader_id)
+    except GradingServiceError:
+        log.exception("Error from grading service.  server url: {0}"
+                      .format(staff_grading_service().url))
+        return json.dumps({'success': False,
+                           'error': 'Could not connect to grading service'})
+
+

lms/djangoapps/open_ended_grading/views.py

@@ -48,10 +48,30 @@ def staff_grading(request, course_id):
         ajax_url += '/'
         
     return render_to_response('instructor/staff_grading.html', {
-        'view_html': grading.get_html(),
+        'view_html': '',
         'course': course,
         'course_id': course_id,
         'ajax_url': ajax_url,
         # Checked above
         'staff_access': True, })
 
+
+def peer_grading(request, course_id):
+    '''
+    Show a peer grading interface
+    '''
+    course = get_course_with_access(request.user, course_id, 'load')
+
+    ajax_url = reverse('peer_grading', kwargs={'course_id': course_id})
+    if not ajax_url.endswith('/'):
+        ajax_url += '/'
+
+    return render_to_response('peer_grading/peer_grading.html', { 
+        'view_html': '',
+        'course': course,
+        'course_id': course_id,
+        'ajax_url': ajax_url,
+        # Checked above
+        'staff_access': False, })
+    
+

lms/envs/common.py

@@ -418,6 +418,7 @@ main_vendor_js = [
 discussion_js = sorted(glob2.glob(PROJECT_ROOT / 'static/coffee/src/discussion/**/*.coffee'))
 
 staff_grading_js = sorted(glob2.glob(PROJECT_ROOT / 'static/coffee/src/staff_grading/**/*.coffee'))
+peer_grading_js = sorted(glob2.glob(PROJECT_ROOT / 'static/coffee/src/peer_grading/**/*.coffee'))
 
 
 # Load javascript from all of the available xmodules, and
@@ -526,8 +527,11 @@ PIPELINE_JS = {
     'staff_grading' : {
         'source_filenames': [pth.replace(PROJECT_ROOT / 'static/', '')  for pth in staff_grading_js],
         'output_filename': 'js/staff_grading.js'
+    },
+    'peer_grading' : {
+        'source_filenames': [pth.replace(PROJECT_ROOT / 'static/', '')  for pth in peer_grading_js],
+        'output_filename': 'js/peer_grading.js'
     }
-
 }
 
 PIPELINE_DISABLE_WRAPPER = True

lms/templates/instructor/staff_grading.html

@@ -24,6 +24,8 @@
 </div>
 <div class="message-container">
 </div>
+
+<! -- Problem List View -->
 <section class="problem-list-container">
 <h2>Instructions</h2>
 <div class="instructions">
@@ -35,6 +37,8 @@
     </ul>
 </section>
 
+<!-- Grading View -->
+
 <section class="prompt-wrapper">
     <h2 class="prompt-name"></h2>
     <div class="meta-info-wrapper">

lms/templates/peer_grading/peer_grading.html

+<%inherit file="/main.html" />
+<%block name="bodyclass">${course.css_class}</%block>
+<%namespace name='static' file='/static_content.html'/>
+
+<%block name="headextra">
+  <%static:css group='course'/>
+</%block>
+
+<%block name="title"><title>${course.number} Peer Grading</title></%block>
+
+<%include file="/courseware/course_navigation.html" args="active_page='staff_grading'" />
+
+<%block name="js_extra">
+  <%static:js group='peer_grading'/>
+</%block>
+
+<section class="container">
+    <div class="peer-grading">
+        <div class="problem-list">
+        </div>
+    </div>
+</section>

lms/urls.py

@@ -250,6 +250,11 @@ if settings.COURSEWARE_ENABLED:
             'open_ended_grading.staff_grading_service.save_grade', name='staff_grading_save_grade'),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/staff_grading/get_problem_list$',
             'open_ended_grading.staff_grading_service.get_problem_list', name='staff_grading_get_problem_list'),
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading/get_next_submission$',
+            'open_ended_grading.peer_grading_service.get_next_submission', name='peer_grading_get_next_submission'),
+        url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/peer_grading$',
+            'open_ended_grading.views.peer_grading', name='peer_grading'),
+
     )
 
     # discussion forums live within courseware, so courseware must be enabled first