Refactor Mobilizon.Federation.ActivityPub and add typespecs

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/federation/activity_pub/actions/delete.ex

@@ -0,0 +1,33 @@
+defmodule Mobilizon.Federation.ActivityPub.Actions.Delete do
+  @moduledoc """
+  Delete things
+  """
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Federation.ActivityPub.Activity
+  alias Mobilizon.Federation.ActivityPub.Types.{Entity, Managable, Ownable}
+  require Logger
+
+  import Mobilizon.Federation.ActivityPub.Utils,
+    only: [
+      create_activity: 2,
+      maybe_federate: 1,
+      maybe_relay_if_group_activity: 2,
+      check_for_actor_key_rotation: 1
+    ]
+
+  @doc """
+  Delete an entity, using an activity of type `Delete`
+  """
+  @spec delete(Entity.t(), Actor.t(), boolean, map) :: {:ok, Activity.t(), Entity.t()}
+  def delete(object, actor, local \\ true, additional \\ %{}) do
+    with {:ok, activity_data, actor, object} <-
+           Managable.delete(object, actor, local, additional),
+         group <- Ownable.group_actor(object),
+         :ok <- check_for_actor_key_rotation(actor),
+         {:ok, activity} <- create_activity(activity_data, local),
+         :ok <- maybe_federate(activity),
+         :ok <- maybe_relay_if_group_activity(activity, group) do
+      {:ok, activity, object}
+    end
+  end
+end