From f83c4927201526c65d4ea7d787f05db6f9bb3a56 Mon Sep 17 00:00:00 2001
From: Piotr Mitros <pmitros@mit.edu>
Date: Mon, 20 Feb 2012 16:35:12 -0500
Subject: [PATCH] per-section rendering works, if unclean

--HG--
branch : pmitros-section
---
 courseware/content_parser.py | 26 ++++++++++++++++++++++--
 courseware/views.py          | 38 ++++++++++++++++++++++++++++++++++--
 urls.py                      |  2 ++
 3 files changed, 62 insertions(+), 4 deletions(-)

diff --git a/courseware/content_parser.py b/courseware/content_parser.py
index 7fb7a8a298..7e2ef9ca8e 100644
--- a/courseware/content_parser.py
+++ b/courseware/content_parser.py
@@ -1,6 +1,7 @@
 import hashlib
 import json
 import logging
+import os
 import re
 
 from datetime import timedelta
@@ -141,12 +142,15 @@ def propogate_downward_tag(element, attribute_name, parent_attribute = None):
             #to its children later.
             return
 
+def user_groups(user):
+    # TODO: Rewrite in Django
+    return [u.name for u in UserTestGroup.objects.raw("select * from auth_user, student_usertestgroup, student_usertestgroup_users where auth_user.id = student_usertestgroup_users.user_id and student_usertestgroup_users.usertestgroup_id = student_usertestgroup.id and auth_user.id = %s", [user.id])]
+
 def course_file(user):
     # TODO: Cache. 
     filename = UserProfile.objects.get(user=user).courseware
 
-    # TODO: Rewrite in Django
-    groups = [u.name for u in UserTestGroup.objects.raw("select * from auth_user, student_usertestgroup, student_usertestgroup_users where auth_user.id = student_usertestgroup_users.user_id and student_usertestgroup_users.usertestgroup_id = student_usertestgroup.id and auth_user.id = %s", [user.id])]
+    groups = user_groups(user)
 
     options = {'dev_content':settings.DEV_CONTENT, 
                'groups' : groups}
@@ -158,6 +162,24 @@ def course_file(user):
     propogate_downward_tag(tree, "graceperiod")
     return tree
 
+def section_file(user, section):
+    filename = section+".xml"
+
+    if filename not in os.listdir(settings.DATA_DIR + '/sections/'):
+        print filename+" not in "+str(os.listdir(settings.DATA_DIR + '/sections/'))
+        return None
+
+    options = {'dev_content':settings.DEV_CONTENT, 
+               'groups' : user_groups(user)}
+
+    tree = etree.XML(render_to_string(filename, options, namespace = 'sections'))
+    id_tag(tree)
+    propogate_downward_tag(tree, "due")
+    propogate_downward_tag(tree, "graded")
+    propogate_downward_tag(tree, "graceperiod")
+    return tree
+
+
 def module_xml(coursefile, module, id_tag, module_id):
     ''' Get XML for a module based on module and module_id. Assumes
         module occurs once in courseware XML file.. '''
diff --git a/courseware/views.py b/courseware/views.py
index c02e0e6459..42e59ee06e 100644
--- a/courseware/views.py
+++ b/courseware/views.py
@@ -71,8 +71,8 @@ def profile(request):
                         response = response_by_id[id]
                         if response.grade!=None:
                             correct=response.grade
-                    
-                    total=courseware.modules.capa_module.Module(etree.tostring(p), "id").max_score() # TODO: Add state. Not useful now, but maybe someday problems will have randomized max scores? 
+                    # TODO: Add state. Not useful now, but maybe someday problems will have randomized max scores? 
+                    total=courseware.modules.capa_module.Module(etree.tostring(p), "id").max_score() 
                     scores.append((int(correct),total, graded ))
                     
                     
@@ -247,6 +247,40 @@ def render_accordion(request,course,chapter,section):
     return {'init_js':render_to_string('accordion_init.js',context), 
             'content':render_to_string('accordion.html',context)}
 
+@cache_control(no_cache=True, no_store=True, must_revalidate=True)
+def render_section(request, section):
+    ''' TODO: Consolidate with index 
+    '''
+    user = request.user
+    if not settings.COURSEWARE_ENABLED or not user.is_authenticated():
+        return redirect('/')
+
+#    try: 
+    dom = content_parser.section_file(user, section)
+    #except:
+     #   raise Http404
+
+    accordion=render_accordion(request, '', '', '')
+
+    module_ids = dom.xpath("//@id")
+    
+    module_object_preload = list(StudentModule.objects.filter(student=user, 
+                                                              module_id__in=module_ids))
+    
+    module=render_module(user, request, dom, module_object_preload)
+
+    if 'init_js' not in module:
+        module['init_js']=''
+
+    context={'init':accordion['init_js']+module['init_js'],
+             'accordion':accordion['content'],
+             'content':module['content'],
+             'csrf':csrf(request)['csrf_token']}
+
+    result = render_to_response('courseware.html', context)
+    return result
+
+
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def index(request, course="6.002 Spring 2012", chapter="Using the System", section="Hints"): 
     ''' Displays courseware accordion, and any associated content. 
diff --git a/urls.py b/urls.py
index e876f4098f..6e882e1580 100644
--- a/urls.py
+++ b/urls.py
@@ -40,6 +40,7 @@ if settings.COURSEWARE_ENABLED:
     url(r'^courseware/(?P<course>[^/]*)/(?P<chapter>[^/]*)/(?P<section>[^/]*)/$', 'courseware.views.index', name="courseware_section"),
     url(r'^courseware/(?P<course>[^/]*)/(?P<chapter>[^/]*)/$', 'courseware.views.index', name="courseware_chapter"),
     url(r'^courseware/(?P<course>[^/]*)/$', 'courseware.views.index', name="courseware_course"),
+    url(r'^section/(?P<section>[^/]*)/$', 'courseware.views.render_section'),
     url(r'^modx/(?P<module>[^/]*)/(?P<id>[^/]*)/(?P<dispatch>[^/]*)$', 'courseware.views.modx_dispatch'), #reset_problem'),
     url(r'^profile$', 'courseware.views.profile'),
     url(r'^change_setting$', 'student.views.change_setting'),
@@ -63,3 +64,4 @@ if settings.ASKBOT_ENABLED:
                               )
 
 urlpatterns = patterns(*urlpatterns)
+