Basic status creation and retrieval.

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -1,8 +1,16 @@
 defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.Repo
   alias Pleroma.Activity
+  import Ecto.Query
 
   def insert(map) when is_map(map) do
     Repo.insert(%Activity{data: map})
   end
+
+  def fetch_public_activities do
+    query = from activity in Activity,
+    where: fragment(~s(? @> '{"to": ["https://www.w3.org/ns/activitystreams#Public"]}'), activity.data)
+
+    Repo.all(query)
+  end
 end