search for similar posts without any styling..

lms/djangoapps/django_comment_client/base/urls.py

@@ -23,8 +23,8 @@ urlpatterns = patterns('django_comment_client.base.views',
     url(r'comments/(?P<comment_id>[\w\-]+)/unvote$', 'undo_vote_for_comment', name='undo_vote_for_comment'),
     
     url(r'(?P<commentable_id>[\w\-]+)/threads/create$', 'create_thread', name='create_thread'),
+    # TODO should we search within the board?
+    url(r'(?P<commentable_id>[\w\-]+)/threads/search_similar$', 'search_similar_threads', name='search_similar_threads'),
     url(r'(?P<commentable_id>[\w\-]+)/follow$', 'follow_commentable', name='follow_commentable'),
     url(r'(?P<commentable_id>[\w\-]+)/unfollow$', 'unfollow_commentable', name='unfollow_commentable'),
-
-    url(r'search$', 'search', name='search'),
 )

lms/djangoapps/django_comment_client/base/views.py

@@ -235,17 +235,28 @@ def unfollow_user(request, course_id, followed_user_id):
     response = comment_client.unfollow(user_id, followed_user_id)
     return JsonResponse(response)
 
+@require_POST
+@login_required
+def unfollow_user(request, course_id, followed_user_id):
+    user_id = request.user.id
+    response = comment_client.unfollow(user_id, followed_user_id)
+    return JsonResponse(response)
+
 @require_GET
-def search(request, course_id):
+def search_similar_threads(request, course_id, commentable_id):
     text = request.GET.get('text', None)
-    commentable_id = request.GET.get('commentable_id', None)
-    tags = request.GET.get('tags', None)
-    response = comment_client.search_threads({
-        'text': text,
-        'commentable_id': commentable_id,
-        'tags': tags,
-    })
-    return JsonResponse(response)
+    if text:
+        return JsonResponse(
+                comment_client.search_similar_threads(
+                    course_id,
+                    recursive=False,
+                    query_params={
+                        'text': text,
+                        'commentable_id': commentable_id,
+                    },
+                ))
+    else:
+        return JsonResponse([])
 
 @require_GET
 def tags_autocomplete(request, course_id):

lms/lib/comment_client.py

@@ -16,19 +16,24 @@ def delete_threads(commentable_id, *args, **kwargs):
     return _perform_request('delete', _url_for_commentable_threads(commentable_id), *args, **kwargs)
 
 def get_threads(commentable_id, recursive=False, query_params={}, *args, **kwargs):
-    default_params = {'page': 1, 'per_page': 20}
+    default_params = {'page': 1, 'per_page': 20, 'recursive': recursive}
     attributes = dict(default_params.items() + query_params.items())
     response = _perform_request('get', _url_for_threads(commentable_id), \
             attributes, *args, **kwargs)
     return response.get('collection', []), response.get('page', 1), response.get('num_pages', 1)
 
 def search_threads(course_id, recursive=False, query_params={}, *args, **kwargs):
-    default_params = {'page': 1, 'per_page': 20, 'course_id': course_id}
+    default_params = {'page': 1, 'per_page': 20, 'course_id': course_id, 'recursive': recursive}
     attributes = dict(default_params.items() + query_params.items())
     response = _perform_request('get', _url_for_search_threads(), \
             attributes, *args, **kwargs)
     return response.get('collection', []), response.get('page', 1), response.get('num_pages', 1)
 
+def search_similar_threads(course_id, recursive=False, query_params={}, *args, **kwargs):
+    default_params = {'course_id': course_id, 'recursive': recursive}
+    attributes = dict(default_params.items() + query_params.items())
+    return _perform_request('get', _url_for_search_similar_threads(), attributes, *args, **kwargs)
+
 def create_user(attributes, *args, **kwargs):
     return _perform_request('post', _url_for_users(), attributes, *args, **kwargs)
 
@@ -159,6 +164,9 @@ def _url_for_user(user_id):
 def _url_for_search_threads():
     return "{prefix}/search/threads".format(prefix=PREFIX)
 
+def _url_for_search_similar_threads():
+    return "{prefix}/search/threads/more_like_this".format(prefix=PREFIX)
+
 def _url_for_threads_tags():
     return "{prefix}/threads/tags".format(prefix=PREFIX)
 
@@ -167,3 +175,4 @@ def _url_for_threads_tags_autocomplete():
 
 def _url_for_users():
     return "{prefix}/users".format(prefix=PREFIX)
+

lms/static/coffee/src/discussion/discussion.coffee

@@ -61,6 +61,29 @@ initializeFollowDiscussion = (discussion) ->
       $local(".new-post-form").hide()
       $local(".discussion-new-post").show()
 
+    handleSimilarPost = (elem) ->
+      Discussion.safeAjax
+        $elem: $(elem)
+        url: Discussion.urlFor 'search_similar_threads', id
+        type: "GET"
+        dateType: 'json'
+        data:
+          text: $local(".new-post-title").val()
+        success: (response, textStatus) ->
+          $wrapper = $local(".new-post-similar-posts-wrapper")
+          $similarPosts = $local(".new-post-similar-posts")
+          $similarPosts.empty()
+          if $.type(response) == "array" and response.length
+            $wrapper.show()
+            for thread in response
+              #singleThreadUrl = Discussion.urlFor 'retrieve_single_thread 
+              $similarPost = $("<a>").addClass("simialr-post")
+                                     .html(thread["title"])
+                                     .attr("href", "javascript:void(0)") #TODO
+                                     .appendTo($similarPosts)
+          else
+            $wrapper.hide()
+
     handleNewPost = (elem) ->
       newPostForm = $local(".new-post-form")
       if newPostForm.length
@@ -76,6 +99,9 @@ initializeFollowDiscussion = (discussion) ->
 
         $local(".new-post-tags").tagsInput Discussion.tagsInputOptions()
 
+        $local(".new-post-title").blur ->
+          handleSimilarPost(this)
+
         $local(".discussion-submit-post").click ->
           handleSubmitNewPost(this)
         $local(".discussion-cancel-post").click ->

lms/static/coffee/src/discussion/templates.coffee

@@ -10,6 +10,10 @@ Discussion = @Discussion
     <form class="new-post-form" _id="{{discussion_id}}">
       <ul class="discussion-errors"></ul>    
       <input type="text" class="new-post-title title-input" placeholder="Title"/>
+      <div class="new-post-similar-posts-wrapper" style="display: none">
+        Do you mean...
+        <div class="new-post-similar-posts"></div>
+      </div>
       <div class="new-post-body body-input"></div>
       <input class="new-post-tags" placeholder="Tags"/>
       <div class = "new-post-control">

lms/static/coffee/src/discussion/utils.coffee

@@ -21,6 +21,7 @@ wmdEditors = {}
       follow_discussion      : "/courses/#{$$course_id}/discussion/#{param}/follow"
       unfollow_discussion    : "/courses/#{$$course_id}/discussion/#{param}/unfollow"
       create_thread          : "/courses/#{$$course_id}/discussion/#{param}/threads/create"
+      search_similar_threads : "/courses/#{$$course_id}/discussion/#{param}/threads/search_similar"
       update_thread          : "/courses/#{$$course_id}/discussion/threads/#{param}/update"
       create_comment         : "/courses/#{$$course_id}/discussion/threads/#{param}/reply"
       delete_thread          : "/courses/#{$$course_id}/discussion/threads/#{param}/delete"