retrieve inline discussion by ajax

common/lib/xmodule/xmodule/discussion_module.py

@@ -13,16 +13,9 @@ import json
 class DiscussionModule(XModule):
     def get_html(self):
         context = {
-            'threads': comment_client.get_threads(self.discussion_id, recursive=False),
-            'time_ago_in_words': time_ago_in_words,
-            'parse': dateutil.parser.parse,
             'discussion_id': self.discussion_id,
-            'search_bar': '',
-            'user_info': comment_client.get_user_info(self.user_id, raw=True),
-            'tags': comment_client.get_threads_tags(raw=True),
-            'course_id': self.course_id,
         }
-        return self.system.render_template('discussion/inline.html', context)
+        return self.system.render_template('discussion/_show_discussion.html', context)
 
     def __init__(self, system, location, definition, instance_state=None, shared_state=None, **kwargs):
         XModule.__init__(self, system, location, definition, instance_state, shared_state, **kwargs)
@@ -33,8 +26,6 @@ class DiscussionModule(XModule):
         self.discussion_id = xml_data.attrib['id']
         self.title = xml_data.attrib['for']
         self.discussion_category = xml_data.attrib['discussion_category']
-        self.user_id = instance_state['user_id']
-        self.course_id = instance_state['course_id']
 
 class DiscussionDescriptor(RawDescriptor):
     module_class = DiscussionModule

lms/djangoapps/courseware/module_render.py

@@ -124,13 +124,6 @@ def get_module(user, request, location, student_module_cache, position=None):
     '''
     descriptor = modulestore().get_item(location)
 
-    user_id = user.id
-
-    import re
-    course_id = re.search(r'^/courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/', request.path)
-    if course_id:
-        course_id = course_id.group('course_id')
-
     instance_module = student_module_cache.lookup(descriptor.category,
                                                   descriptor.location.url())
 
@@ -142,11 +135,6 @@ def get_module(user, request, location, student_module_cache, position=None):
         shared_module = None
 
     instance_state = instance_module.state if instance_module is not None else {}
-
-    instance_hash = json.loads(instance_state) if isinstance(instance_state, str) or isinstance(instance_state, unicode) \
-                                               else instance_state
-
-    instance_state = json.dumps(dict(instance_hash.items() + [("user_id", user.id), ("course_id", course_id)]))
     shared_state = shared_module.state if shared_module is not None else None
 
     # TODO (vshnayder): fix hardcoded urls (use reverse)

lms/djangoapps/django_comment_client/forum/urls.py

@@ -4,5 +4,6 @@ import django_comment_client.forum.views
 urlpatterns = patterns('django_comment_client.forum.views',
     url(r'search$', 'search', name='search'),
     url(r'(?P<discussion_id>\w+)/threads/(?P<thread_id>\w+)$', 'single_thread', name='single_thread'),
+    url(r'(?P<discussion_id>\w+)/inline$', 'inline_discussion', name='inline_discussion'),
     url(r'(?P<discussion_id>\w+)$', 'forum_form_discussion', name='forum_form_discussion'),
 )

lms/djangoapps/django_comment_client/forum/views.py

@@ -40,6 +40,12 @@ def render_discussion(request, course_id, threads, discussion_id=None, search_te
     }
     return render_to_string('discussion/inline.html', context)
 
+def inline_discussion(request, course_id, discussion_id):
+    print "rendering inline"
+    threads = comment_client.get_threads(discussion_id, recursive=False)
+    html = render_discussion(request, course_id, threads, discussion_id)
+    return HttpResponse(html, content_type="text/plain")
+
 def render_search_bar(request, course_id, discussion_id=None, text=''):
     if not discussion_id:
         return ''
@@ -54,10 +60,6 @@ def forum_form_discussion(request, course_id, discussion_id):
 
     course = check_course(course_id)
 
-    _, course_name, _ = course_id.split('/')
-
-    url_course_id = course_id.replace('/', '_').replace('.', '_')
-
     search_text = request.GET.get('text', '')
 
     if len(search_text) > 0:
@@ -67,9 +69,7 @@ def forum_form_discussion(request, course_id, discussion_id):
 
     context = {
         'csrf': csrf(request)['csrf_token'],
-        'COURSE_TITLE': course.title,
         'course': course,
-        'init': '',
         'content': render_discussion(request, course_id, threads, discussion_id, search_text),
         'accordion': render_accordion(request, course, discussion_id),
     }

lms/static/coffee/src/discussion.coffee

@@ -9,9 +9,13 @@ $ ->
     $('#open_close_accordion a').click @toggle
     $('#accordion').show()
 
+  $(".discussion-module").each (index, elem) ->
+    Discussion.initializeDiscussionModule(elem)
+    
+
   $("section.discussion").each (index, discussion) ->
-    Discussion.bindDiscussionEvents(discussion)
     Discussion.initializeDiscussion(discussion)
+    Discussion.bindDiscussionEvents(discussion)
 
 
 generateLocal = (elem) ->
@@ -82,12 +86,52 @@ Discussion =
       upload              : "/courses/#{$$course_id}/discussion/upload"
       search              : "/courses/#{$$course_id}/discussion/forum/search"
       tags_autocomplete   : "/courses/#{$$course_id}/discussion/threads/tags/autocomplete"
+      retrieve_discussion : "/courses/#{$$course_id}/discussion/forum/#{param}/inline"
     }[name]
 
   handleAnchorAndReload: (response) ->
     #window.location = window.location.pathname + "#" + response['id']
     window.location.reload()
 
+  initializeDiscussionModule: (elem) ->
+    $discussionModule = $(elem)
+    $local = generateLocal($discussionModule)
+    handleShowDiscussion = (elem) ->
+      $elem = $(elem)
+      if $elem.attr("disabled")
+        return
+      if not $local("section.discussion").length
+        $elem.attr("disabled", "disabled")
+        discussion_id = $elem.attr("discussion_id")
+        url = Discussion.urlFor 'retrieve_discussion', discussion_id
+        $.ajax
+          url: url
+          method: "GET"
+          success: (data, textStatus, xhr) ->
+            $discussionModule.append(data)
+            discussion = $local("section.discussion")
+            Discussion.initializeDiscussion(discussion)
+            Discussion.bindDiscussionEvents(discussion)
+            $elem.removeAttr("disabled")
+            $elem.html("Hide Discussion")
+            $elem.unbind('click').click ->
+              handleHideDiscussion(this)
+          dataType: 'html'
+      else
+        $local("section.discussion").show()
+        $elem.html("Hide Discussion")
+        $elem.unbind('click').click ->
+          handleHideDiscussion(this)
+    handleHideDiscussion = (elem) ->
+      $local("section.discussion").hide()
+      $elem = $(elem)
+      $elem.html("Show Discussion")
+      $elem.unbind('click').click ->
+        handleShowDiscussion(this)
+
+    $local(".discussion-show").click ->
+      handleShowDiscussion(this)
+
   initializeDiscussion: (discussion) ->
 
     initializeVote = (index, content) ->
@@ -340,8 +384,9 @@ Discussion =
     converter = Markdown.getMathCompatibleConverter()
     $local(".content-body").html(converter.makeHtml(raw_text))
     id = $content.attr("_id")
-    if not ($$annotated_content_info[id] || [])['editable']
-      $local(".discussion-edit").remove()
+    if $$annotated_content_info?
+      if not ($$annotated_content_info[id] || [])['editable']
+        $local(".discussion-edit").remove()
 
     
 

lms/templates/courseware.html

@@ -36,6 +36,10 @@
     document.write('\x3Cscript type="text/javascript" src="' +
         document.location.protocol + '//www.youtube.com/player_api">\x3C/script>');
   </script>
+
+  <script type="text/javascript">
+    var $$course_id = "${course.id}";
+  </script>
 </%block>
 
 <%include file="course_navigation.html" args="active_page='courseware'" />

lms/templates/discussion/_show_discussion.html

+<div class="discussion-module">
+  <a class="discussion-show control-button" href="javascript:void(0)" discussion_id="${discussion_id}">Show Discussion</a>
+</div>