watch/unwatch threads; display current vote

lms/djangoapps/django_comment_client/base/urls.py

@@ -2,16 +2,23 @@ from django.conf.urls.defaults import url, patterns
 import django_comment_client.base.views
 
 urlpatterns = patterns('django_comment_client.base.views',
-    url(r'(?P<commentable_id>[\w\-]+)/threads/create$', 'create_thread', name='create_thread'),
+
     url(r'threads/(?P<thread_id>[\w\-]+)/update$', 'update_thread', name='update_thread'),
     url(r'threads/(?P<thread_id>[\w\-]+)/reply$', 'create_comment', name='create_comment'),
     url(r'threads/(?P<thread_id>[\w\-]+)/delete', 'delete_thread', name='delete_thread'),
+    url(r'threads/(?P<thread_id>[\w\-]+)/upvote$', 'vote_for_thread', {'value': 'up'}, name='upvote_thread'),
+    url(r'threads/(?P<thread_id>[\w\-]+)/downvote$', 'vote_for_thread', {'value': 'down'}, name='downvote_thread'),
+    url(r'threads/(?P<thread_id>[\w\-]+)/watch$', 'watch_thread', name='watch_thread'),
+    url(r'threads/(?P<thread_id>[\w\-]+)/unwatch$', 'unwatch_thread', name='unwatch_thread'),
+
     url(r'comments/(?P<comment_id>[\w\-]+)/update$', 'update_comment', name='update_comment'),
     url(r'comments/(?P<comment_id>[\w\-]+)/endorse$', 'endorse_comment', name='endorse_comment'),
     url(r'comments/(?P<comment_id>[\w\-]+)/reply$', 'create_sub_comment', name='create_sub_comment'),
     url(r'comments/(?P<comment_id>[\w\-]+)/delete$', 'delete_comment', name='delete_comment'),
     url(r'comments/(?P<comment_id>[\w\-]+)/upvote$', 'vote_for_comment', {'value': 'up'}, name='upvote_comment'),
     url(r'comments/(?P<comment_id>[\w\-]+)/downvote$', 'vote_for_comment', {'value': 'down'}, name='downvote_comment'),
-    url(r'threads/(?P<thread_id>[\w\-]+)/upvote$', 'vote_for_thread', {'value': 'up'}, name='upvote_thread'),
-    url(r'threads/(?P<thread_id>[\w\-]+)/downvote$', 'vote_for_thread', {'value': 'down'}, name='downvote_thread'),
+    
+    url(r'(?P<commentable_id>[\w\-]+)/threads/create$', 'create_thread', name='create_thread'),
+    url(r'(?P<commentable_id>[\w\-]+)/watch$', 'watch_commentable', name='watch_commentable'),
+    url(r'(?P<commentable_id>[\w\-]+)/unwatch$', 'unwatch_commentable', name='unwatch_commentable'),
 )

lms/djangoapps/django_comment_client/base/views.py

@@ -129,8 +129,47 @@ def vote_for_thread(request, thread_id, value):
     response = comment_client.vote_for_thread(thread_id, user_id, value)
     return JsonResponse(response)
 
-#undo vote: disabled for now
+@login_required
+@require_POST
+def watch_thread(request, thread_id):
+    user_id = request.user.id
+    response = comment_client.subscribe_thread(user_id, thread_id)
+    return JsonResponse(response)
+
+@login_required
+@require_POST
+def watch_commentable(request, commentable_id):
+    user_id = request.user.id
+    response = comment_client.subscribe_commentable(user_id, commentable_id)
+    return JsonResponse(response)
+
+@login_required
+@require_POST
+def follow(request, followed_user_id):
+    user_id = request.user.id
+    response = comment_client.follow(user_id, followed_user_id)
+    return JsonResponse(response)
 
+@login_required
+@require_POST
+def unwatch_thread(request, thread_id):
+    user_id = request.user.id
+    response = comment_client.unsubscribe_thread(user_id, thread_id)
+    return JsonResponse(response)
+
+@login_required
+@require_POST
+def unwatch_commentable(request, commentable_id):
+    user_id = request.user.id
+    response = comment_client.unsubscribe_commentable(user_id, commentable_id)
+    return JsonResponse(response)
+
+@login_required
+@require_POST
+def unfollow(request, followed_user_id):
+    user_id = request.user.id
+    response = comment_client.unfollow(user_id, followed_user_id)
+    return JsonResponse(response)
 
 @login_required
 @require_GET

lms/djangoapps/django_comment_client/forum/views.py

@@ -22,6 +22,7 @@ from datehelper import time_ago_in_words
 
 import operator
 import itertools
+import json
 
 _FULLMODULES = None
 _DISCUSSIONINFO = None
@@ -80,11 +81,12 @@ def get_categorized_discussion_info(request, user, course, course_name, url_cour
     return _DISCUSSIONINFO
 
 def render_accordion(request, course, discussion_info, discussion_id):
-    context = dict([
-        ('course', course),
-        ('discussion_info', discussion_info),
-        ('active', discussion_id), # TODO change this later
-        ('csrf', csrf(request)['csrf_token'])])
+    context = {
+        'course': course,
+        'discussion_info': discussion_info,
+        'active': discussion_id,
+        'csrf': csrf(request)['csrf_token'],
+    }
 
     return render_to_string('discussion/accordion.html', context)
 
@@ -147,6 +149,7 @@ def single_thread(request, thread_id):
         'init': '',
         'content': render_single_thread(request, thread_id),
         'accordion': '',
+        'user_info': json.dumps(comment_client.get_user_info(request.user.id)),
     }
 
     return render_to_response('discussion/index.html', context)

lms/static/coffee/src/discussion.coffee

@@ -9,26 +9,39 @@ $ ->
     $('#open_close_accordion a').click @toggle
     $('#accordion').show()
 
-
   $("section.discussion").each (index, discussion) ->
     Discussion.bindDiscussionEvents(discussion)
+    Discussion.initializeDiscussion(discussion)
+
+generateLocal = (elem) ->
+  (selector) -> $(elem).find(selector)
+
+generateDiscussionLink = (cls, txt, handler) ->
+  $("<a>").addClass("discussion-link").
+           attr("href", "javascript:void(0)").
+           addClass(cls).html(txt).
+           click(-> handler(this))
 
 Discussion =
 
   urlFor: (name, param) ->
     {
+      watch_commentable   : "/discussions/#{param}/watch"
+      unwatch_commentable : "/discussions/#{param}/unwatch"
       create_thread       : "/discussions/#{param}/threads/create"
       update_thread       : "/discussions/threads/#{param}/update"
       create_comment      : "/discussions/threads/#{param}/reply"
       delete_thread       : "/discussions/threads/#{param}/delete"
+      upvote_thread       : "/discussions/threads/#{param}/upvote"
+      downvote_thread     : "/discussions/threads/#{param}/downvote"
+      watch_thread        : "/discussions/threads/#{param}/watch"
+      unwatch_thread      : "/discussions/threads/#{param}/unwatch"
       update_comment      : "/discussions/comments/#{param}/update"
       endorse_comment     : "/discussions/comments/#{param}/endorse"
       create_sub_comment  : "/discussions/comments/#{param}/reply"
       delete_comment      : "/discussions/comments/#{param}/delete"
       upvote_comment      : "/discussions/comments/#{param}/upvote"
       downvote_comment    : "/discussions/comments/#{param}/downvote"
-      upvote_thread      : "/discussions/threads/#{param}/upvote"
-      downvote_thread    : "/discussions/threads/#{param}/downvote"
       search              : "/discussions/forum/search"
     }[name]
 
@@ -36,11 +49,53 @@ Discussion =
     #window.location = window.location.pathname + "#" + response['id']
     window.location.reload()
 
+  initializeDiscussion: (discussion) ->
+    initializeVote = (index, content) ->
+      $content = $(content)
+      $local = generateLocal($content.children(".discussion-content"))
+      id = $content.attr("_id")
+      if id in user_info.upvoted_ids
+        $local(".discussion-vote-up").addClass("voted")
+      else if id in user_info.downvoted_ids
+        $local(".discussion-vote-down").addClass("voted")
+
+
+    initializeWatchThreads = (index, thread) ->
+      $thread = $(thread)
+      id = $thread.attr("_id")
+      $local = generateLocal($thread.children(".discussion-content"))
+
+      handleWatchThread = (elem) ->
+        url = Discussion.urlFor('watch_thread', id)
+        console.log url
+        $.post url, {}, (response, textStatus) ->
+          if textStatus == "success"
+            Discussion.handleAnchorAndReload(response)
+        , 'json'
+
+      handleUnwatchThread = (elem) ->
+        url = Discussion.urlFor('unwatch_thread', id)
+        $.post url, {}, (response, textStatus) ->
+          if textStatus == "success"
+            Discussion.handleAnchorAndReload(response)
+        , 'json'
+
+      if id in user_info.subscribed_thread_ids
+        unwatchThread = generateDiscussionLink("discussion-unwatch-thread", "Unwatch", handleUnwatchThread)
+        $local(".info").append(unwatchThread)
+      else
+        watchThread = generateDiscussionLink("discussion-watch-thread", "Watch", handleWatchThread)
+        $local(".info").append(watchThread)
+
+    if user_info?
+      $(discussion).find(".comment").each(initializeVote)
+      $(discussion).find(".thread").each(initializeVote).each(initializeWatchThreads)
+
   bindContentEvents: (content) ->
 
     $content = $(content)
     $discussionContent = $content.children(".discussion-content")
-    $local = (selector) -> $discussionContent.find(selector)
+    $local = generateLocal($discussionContent)
 
     discussionContentHoverIn = ->
       status = $discussionContent.attr("status") || "normal"
@@ -58,11 +113,7 @@ Discussion =
 
     $discussionContent.hover(discussionContentHoverIn, discussionContentHoverOut)
 
-    generateDiscussionLink = (cls, txt, handler) ->
-      $("<a>").addClass("discussion-link").
-               attr("href", "javascript:void(0)").
-               addClass(cls).html(txt).
-               click(-> handler(this))
+    
 
     handleReply = (elem) ->
       editView = $local(".discussion-content-edit")

lms/static/sass/_discussion.scss

@@ -66,6 +66,9 @@ $discussion_input_width: 60%;
       &.discussion-vote-down {
         margin-top: 3px;
       }
+      &.voted {
+        color: #1d9dd9;
+      }
     }
   }
   .discussion-right-wrapper {

lms/templates/discussion/index.html

@@ -8,11 +8,10 @@
 </%block>
 
 <%block name="js_extra">
-<!-- TODO: http://docs.jquery.com/Plugins/Validation -->
 <script type="text/javascript">
-  document.write('\x3Cscript type="text/javascript" src="' +
-      document.location.protocol + '//www.youtube.com/player_api">\x3C/script>');
+  var user_info = JSON.parse('${user_info}');
 </script>
+
 </%block>
 
 ##<%include file="../course_navigation.html" args="active_page='discussion'" />

lms/templates/discussion/thread.html

@@ -2,8 +2,6 @@
 <%! from datehelper import time_ago_in_words %>
 <%! from dateutil.parser import parse %>
 
-
-
 <%def name="render_thread(thread, edit_thread=False, show_comments=False)">
   <%
     if show_comments:
@@ -24,7 +22,6 @@
             % if edit_thread:
               ${render_reply()}
               ${render_edit()}
-              ${render_watch_thread()}
             % endif
           </div>
         </div>