FIX: user avatar urls need to be absolute in wordpress api

app/serializers/post_wordpress_serializer.rb

@@ -0,0 +1,14 @@
+# The most basic attributes of a topic that we need to create a link for it.
+class PostWordpressSerializer < BasicPostSerializer
+
+  include UrlHelper
+
+  def avatar_template
+    if object.user
+      absolute object.user.avatar_template
+    else
+      nil
+    end
+  end
+
+end

app/serializers/topic_view_wordpress_serializer.rb

@@ -6,8 +6,8 @@ class TopicViewWordpressSerializer < ApplicationSerializer
              :filtered_posts_count,
              :posts
 
-  has_many :participants, serializer: BasicUserSerializer, embed: :objects
-  has_many :posts, serializer: BasicPostSerializer, embed: :objects
+  has_many :participants, serializer: UserWordpressSerializer, embed: :objects
+  has_many :posts, serializer: PostWordpressSerializer, embed: :objects
 
   def id
     object.topic.id

app/serializers/user_wordpress_serializer.rb

@@ -0,0 +1,13 @@
+class UserWordpressSerializer < BasicUserSerializer
+
+  include UrlHelper
+
+  def avatar_template
+    if Hash === object
+      absolute User.avatar_template(user[:username], user[:uploaded_avatar_id])
+    else
+      absolute object.avatar_template
+    end
+  end
+
+end

spec/controllers/topics_controller_spec.rb

@@ -24,7 +24,7 @@ describe TopicsController do
       post = json['posts'][0]
       post['id'].should == p2.id
       post['username'].should == user.username
-      post['avatar_template'].should == user.avatar_template
+      post['avatar_template'].should == "#{Discourse.base_url_no_prefix}#{user.avatar_template}"
       post['name'].should == user.name
       post['created_at'].should be_present
       post['cooked'].should == p2.cooked
@@ -34,7 +34,7 @@ describe TopicsController do
       participant = json['participants'][0]
       participant['id'].should == user.id
       participant['username'].should == user.username
-      participant['avatar_template'].should == user.avatar_template
+      participant['avatar_template'].should == "#{Discourse.base_url_no_prefix}#{user.avatar_template}"
     end
   end