Revert Activity tombstones, add ObjectTombstone struct

lib/pleroma/activity.ex

@@ -1,7 +1,7 @@
 defmodule Pleroma.Activity do
   use Ecto.Schema
   alias Pleroma.{Repo, Activity, Notification}
-  import Ecto.{Query, Changeset}
+  import Ecto.Query
 
   # https://github.com/tootsuite/mastodon/blob/master/app/models/notification.rb#L19
   @mastodon_notification_types %{
@@ -103,25 +103,4 @@ defmodule Pleroma.Activity do
   end
 
   def mastodon_notification_type(%Activity{}), do: nil
-
-  def get_tombstone(%Activity{data: data}, deleted \\ DateTime.utc_now()) do
-    %{
-      id: data["id"],
-      context: data["context"],
-      type: "Tombstone",
-      published: data["published"],
-      deleted: deleted
-    }
-  end
-
-  def swap_data_with_tombstone(activity) do
-    with tombstone = get_tombstone(activity),
-         Notification.clear(activity),
-         {:ok, changed_activity} =
-           activity
-           |> change(%{data: tombstone})
-           |> Repo.update() do
-      {:ok, changed_activity}
-    end
-  end
 end

lib/pleroma/object.ex

@@ -1,6 +1,6 @@
 defmodule Pleroma.Object do
   use Ecto.Schema
-  alias Pleroma.{Repo, Object, User, Activity}
+  alias Pleroma.{Repo, Object, User, Activity, ObjectTombstone}
   import Ecto.{Query, Changeset}
 
   schema "objects" do
@@ -62,16 +62,17 @@ defmodule Pleroma.Object do
     Object.change(%Object{}, %{data: %{"id" => context}})
   end
 
-  def get_tombstone(%Object{data: data}, deleted \\ DateTime.utc_now()) do
-    %{
-      id: data["id"],
-      type: "Tombstone",
+  def make_tombstone(%Object{data: %{"id" => id, "type" => type}}, deleted \\ DateTime.utc_now()) do
+    %ObjectTombstone{
+      id: id,
+      formerType: type,
       deleted: deleted
     }
+    |> Map.from_struct()
   end
 
-  def swap_data_with_tombstone(object) do
-    tombstone = get_tombstone(object)
+  def swap_object_with_tombstone(object) do
+    tombstone = make_tombstone(object)
 
     object
     |> Object.change(%{data: tombstone})
@@ -79,10 +80,8 @@ defmodule Pleroma.Object do
   end
 
   def delete(%Object{data: %{"id" => id}} = object) do
-    with swap_data_with_tombstone(object),
-         Activity.all_non_create_by_object_ap_id_q(id)
-         |> Repo.all()
-         |> Enum.each(&Activity.swap_data_with_tombstone/1),
+    with {:ok, _obj} = swap_object_with_tombstone(object),
+         Repo.delete_all(Activity.all_non_create_by_object_ap_id_q(id)),
          {:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
       {:ok, object}
     end

lib/pleroma/object_tombstone.ex

@@ -0,0 +1,4 @@
+defmodule Pleroma.ObjectTombstone do
+  @enforce_keys [:id, :formerType, :deleted]
+  defstruct [:id, :formerType, :deleted, type: "Tombstone"]
+end