Add basic Ostatus user representer.

lib/pleroma/user.ex

@@ -18,6 +18,13 @@ defmodule Pleroma.User do
     timestamps()
   end
 
+  def avatar_url(user) do
+    case user.avatar do
+      %{"url" => [%{"href" => href} | _]} -> href
+      _ -> "https://placehold.it/48x48"
+    end
+  end
+
   def ap_id(%User{nickname: nickname}) do
     "#{Pleroma.Web.base_url}/users/#{nickname}"
   end

lib/pleroma/web/ostatus/user_representer.ex

@@ -0,0 +1,14 @@
+defmodule Pleroma.Web.OStatus.UserRepresenter do
+  alias Pleroma.User
+  def to_tuple(user, wrapper \\ :author) do
+    {
+      wrapper, [
+        { :id, user.ap_id },
+        { :"activity:object", "http://activitystrea.ms/schema/1.0/person" },
+        { :uri, user.ap_id },
+        { :name, user.nickname },
+        { :link, %{rel: "avatar", href: User.avatar_url(user)}}
+      ]
+    }
+  end
+end

lib/pleroma/web/twitter_api/representers/user_representer.ex

@@ -4,11 +4,7 @@ defmodule Pleroma.Web.TwitterAPI.Representers.UserRepresenter do
   alias Pleroma.User
 
   def to_map(user, opts) do
-    image = case user.avatar do
-      %{"url" => [%{"href" => href} | _]} -> href
-      _ -> "https://placehold.it/48x48"
-    end
-
+    image = User.avatar_url(user)
     following = if opts[:for] do
       User.following?(opts[:for], user)
     else