Add "formerType" and "delete" attributes on Tombstones objects

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

lib/federation/activity_pub/types/actors.ex

@@ -98,6 +98,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.Actors do
       "actor" => actor_url,
       "object" => %{
         "type" => "Tombstone",
+        "formerType" => to_string(type),
+        "deleted" => DateTime.utc_now(),
         "id" => target_actor_url
       },
       "id" => target_actor_url <> "/delete",

lib/federation/activity_pub/types/comments.ex

@@ -84,6 +84,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.Comments do
       "actor" => actor.url,
       "object" => %{
         "type" => "Tombstone",
+        "formerType" => "Note",
+        "deleted" => DateTime.utc_now(),
         "id" => url
       },
       "id" => url <> "/delete",

lib/federation/activity_pub/types/discussions.ex

@@ -117,6 +117,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.Discussions do
           "actor" => actor.url,
           "object" => %{
             "type" => "Tombstone",
+            "formerType" => "Note",
+            "deleted" => DateTime.utc_now(),
             "url" => url
           },
           "id" => url <> "/delete",

lib/federation/activity_pub/types/events.ex

@@ -84,6 +84,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.Events do
       "actor" => actor.url,
       "object" => %{
         "type" => "Tombstone",
+        "formerType" => "Event",
+        "deleted" => DateTime.utc_now(),
         "id" => url
       },
       "to" => [actor.url <> "/followers", "https://www.w3.org/ns/activitystreams#Public"],

lib/federation/activity_pub/types/posts.ex

@@ -79,6 +79,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.Posts do
       "type" => "Delete",
       "object" => %{
         "type" => "Tombstone",
+        "formerType" => "Article",
+        "deleted" => DateTime.utc_now(),
         "id" => url
       },
       "id" => url <> "/delete",

lib/federation/activity_pub/types/resources.ex

@@ -150,7 +150,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.Resources do
   @spec delete(Resource.t(), Actor.t(), boolean, map()) ::
           {:ok, ActivityStream.t(), Actor.t(), Resource.t()} | {:error, Ecto.Changeset.t()}
   def delete(
-        %Resource{url: url, actor: %Actor{url: group_url, members_url: members_url}} = resource,
+        %Resource{url: url, type: type, actor: %Actor{url: group_url, members_url: members_url}} =
+          resource,
         %Actor{url: actor_url} = actor,
         _local,
         _additionnal
@@ -163,6 +164,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.Resources do
       "type" => "Delete",
       "object" => %{
         "type" => "Tombstone",
+        "formerType" => if(type == :folder, do: "ResourceCollection", else: "Document"),
+        "deleted" => DateTime.utc_now(),
         "id" => url
       },
       "id" => url <> "/delete",

lib/federation/activity_pub/types/todo_lists.ex

@@ -57,6 +57,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.TodoLists do
       "type" => "Delete",
       "object" => %{
         "type" => "Tombstone",
+        "formerType" => "TodoList",
+        "deleted" => DateTime.utc_now(),
         "id" => url
       },
       "id" => url <> "/delete",

lib/federation/activity_pub/types/todos.ex

@@ -97,6 +97,8 @@ defmodule Mobilizon.Federation.ActivityPub.Types.Todos do
       "type" => "Delete",
       "object" => %{
         "type" => "Tombstone",
+        "formerType" => "Todo",
+        "deleted" => DateTime.utc_now(),
         "id" => url
       },
       "id" => "#{url}/delete",