Merge branch 'feature/in-reply-to-screen-name' into 'develop'

initial graph traversal support

Closes #68

See merge request pleroma/pleroma!387

lib/pleroma/activity.ex

@@ -82,4 +82,10 @@ def get_create_activity_by_object_ap_id(_), do: nil
   def normalize(obj) when is_map(obj), do: Activity.get_by_ap_id(obj["id"])
   def normalize(ap_id) when is_binary(ap_id), do: Activity.get_by_ap_id(ap_id)
   def normalize(_), do: nil
+
+  def get_in_reply_to_activity(%Activity{data: %{"object" => %{"inReplyTo" => ap_id}}}) do
+    get_create_activity_by_object_ap_id(ap_id)
+  end
+
+  def get_in_reply_to_activity(_), do: nil
 end

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

@@ -180,6 +180,15 @@ def to_map(
 
     attachments = (object["attachment"] || []) ++ video
 
+    reply_parent = Activity.get_in_reply_to_activity(activity)
+
+    reply_user_nickname =
+      if reply_parent do
+        User.get_cached_by_ap_id(reply_parent.actor).nickname
+      else
+        nil
+      end
+
     %{
       "id" => activity.id,
       "uri" => activity.data["object"]["id"],
@@ -190,6 +199,7 @@ def to_map(
       "is_post_verb" => true,
       "created_at" => created_at,
       "in_reply_to_status_id" => object["inReplyToStatusId"],
+      "in_reply_to_screen_name" => reply_user_nickname,
       "statusnet_conversation_id" => conversation_id,
       "attachments" => attachments |> ObjectRepresenter.enum_to_list(opts),
       "attentions" => attentions,

lib/pleroma/web/twitter_api/views/activity_view.ex

@@ -236,6 +236,15 @@ def render(
       HTML.filter_tags(content, User.html_filter_policy(opts[:for]))
       |> Formatter.emojify(object["emoji"])
 
+    reply_parent = Activity.get_in_reply_to_activity(activity)
+
+    reply_user_nickname =
+      if reply_parent do
+        User.get_cached_by_ap_id(reply_parent.actor).nickname
+      else
+        nil
+      end
+
     %{
       "id" => activity.id,
       "uri" => activity.data["object"]["id"],
@@ -246,6 +255,7 @@ def render(
       "is_post_verb" => true,
       "created_at" => created_at,
       "in_reply_to_status_id" => object["inReplyToStatusId"],
+      "in_reply_to_screen_name" => reply_user_nickname,
       "statusnet_conversation_id" => conversation_id,
       "attachments" => (object["attachment"] || []) |> ObjectRepresenter.enum_to_list(opts),
       "attentions" => attentions,

test/web/twitter_api/representers/activity_representer_test.exs

@@ -139,6 +139,7 @@ test "an activity" do
       "is_post_verb" => true,
       "created_at" => "Tue May 24 13:26:08 +0000 2016",
       "in_reply_to_status_id" => 213_123,
+      "in_reply_to_screen_name" => nil,
       "statusnet_conversation_id" => convo_object.id,
       "attachments" => [
         ObjectRepresenter.to_map(object)

test/web/twitter_api/views/activity_view_test.exs

@@ -36,6 +36,7 @@ test "a create activity with a note" do
       "favorited" => false,
       "id" => activity.id,
       "in_reply_to_status_id" => nil,
+      "in_reply_to_screen_name" => nil,
       "is_local" => true,
       "is_post_verb" => true,
       "possibly_sensitive" => false,