Add unfav to Mastodon API.

lib/pleroma/web/twitter_api/twitter_api.ex

@@ -115,19 +115,6 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
     end
   end
 
-  def unfavorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
-    object = Object.get_by_ap_id(object["id"])
-
-    {:ok, object} = ActivityPub.unlike(user, object)
-    new_data = activity.data
-    |> Map.put("object", object.data)
-
-    status = %{activity | data: new_data}
-    |> activity_to_status(%{for: user})
-
-    {:ok, status}
-  end
-
   def repeat(%User{} = user, ap_id_or_id) do
     with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(ap_id_or_id, user),
          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
@@ -144,6 +131,14 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
     end
   end
 
+  def unfav(%User{} = user, ap_id_or_id) do
+    with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
+         %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
+         status <- activity_to_status(activity, %{for: user}) do
+      {:ok, status}
+    end
+  end
+
   def upload(%Plug.Upload{} = file, format \\ "xml") do
     {:ok, object} = ActivityPub.upload(file)
 

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -155,12 +155,9 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   end
 
   def unfavorite(%{assigns: %{user: user}} = conn, %{"id" => id}) do
-    activity = get_by_id_or_ap_id(id)
-    {:ok, status} = TwitterAPI.unfavorite(user, activity)
-    response = Poison.encode!(status)
-
-    conn
-    |> json_reply(200, response)
+    with {:ok, status} <- TwitterAPI.unfav(user, id) do
+      json(conn, status)
+    end
   end
 
   def retweet(%{assigns: %{user: user}} = conn, %{"id" => id}) do