Improve member adding and excluding flow

Allow to exclude a member

Send emails to the member when it's excluded

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

test/federation/activity_pub/transmogrifier/join_test.exs

@@ -90,9 +90,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier.JoinTest do
       assert capture_log([level: :warn], fn ->
                assert :error == Transmogrifier.handle_incoming(reject_data)
              end) =~
-               "Unable to process Reject activity \"http://mastodon.example.org/users/admin#rejects/follows/4\". Object \"#{
-                 join_activity.data["id"]
-               }\" wasn't found."
+               "Tried to handle an Reject activity on a Join activity with a event object but the participant is already rejected"
 
       # Organiser is not present since we use factories directly
       assert event.id

test/federation/activity_pub/transmogrifier/undo_test.exs

@@ -39,7 +39,7 @@ defmodule Mobilizon.Federation.ActivityPub.Transmogrifier.UndoTest do
 
       assert data["type"] == "Undo"
       assert data["object"]["type"] == "Announce"
-      assert data["object"]["object"] == comment.url
+      assert data["object"]["object"]["id"] == comment.url
 
       assert data["object"]["id"] ==
                "https://framapiaf.org/users/peertube/statuses/104584600044284729/activity"

test/federation/activity_pub/utils_test.exs

@@ -33,7 +33,8 @@ defmodule Mobilizon.Federation.ActivityPub.UtilsTest do
                "id" => Routes.page_url(Endpoint, :comment, reply.uuid),
                "inReplyTo" => comment.url,
                "attributedTo" => reply.actor.url,
-               "mediaType" => "text/html"
+               "mediaType" => "text/html",
+               "published" => reply.published_at |> DateTime.to_iso8601()
              } == Converter.Comment.model_to_as(reply)
     end