Add ability to delete a group

priv/repo/migrations/20190125143718_group_delete_members_cascade.exs

@@ -0,0 +1,13 @@
+defmodule Mobilizon.Repo.Migrations.GroupDeleteMembersCascade do
+  use Ecto.Migration
+
+  def change do
+    drop constraint(:members, "members_account_id_fkey")
+    drop constraint(:members, "members_parent_id_fkey")
+
+    alter table(:members) do
+      modify :actor_id, references(:actors, on_delete: :delete_all)
+      modify :parent_id, references(:actors, on_delete: :delete_all)
+    end
+  end
+end