Add join/leave group

priv/repo/migrations/20190301143831_actor_group_openness.exs

@@ -0,0 +1,18 @@
+defmodule Mobilizon.Repo.Migrations.ActorGroupOpenness do
+  use Ecto.Migration
+  alias Mobilizon.Actors.ActorOpennessEnum
+
+  def up do
+    ActorOpennessEnum.create_type()
+
+    alter table(:actors) do
+      add(:openness, ActorOpennessEnum.type(), default: "moderated")
+    end
+  end
+
+  def down do
+    alter table(:actors) do
+      remove(:openness)
+    end
+  end
+end