Introduce comments below events

Also add tomstones

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

lib/mobilizon_web/resolvers/admin.ex

@@ -7,7 +7,7 @@ defmodule MobilizonWeb.Resolvers.Admin do
 
   alias Mobilizon.Admin.ActionLog
   alias Mobilizon.Events
-  alias Mobilizon.Events.Event
+  alias Mobilizon.Events.{Event, Comment}
   alias Mobilizon.Reports.{Note, Report}
   alias Mobilizon.Service.Statistics
   alias Mobilizon.Users.User
@@ -90,6 +90,15 @@ defmodule MobilizonWeb.Resolvers.Admin do
     }
   end
 
+  defp transform_action_log(Comment, :delete, %ActionLog{
+         changes: changes
+       }) do
+    %{
+      action: :comment_deletion,
+      object: convert_changes_to_struct(Comment, changes)
+    }
+  end
+
   # Changes are stored as %{"key" => "value"} so we need to convert them back as struct
   defp convert_changes_to_struct(struct, %{"report_id" => _report_id} = changes) do
     with data <- for({key, val} <- changes, into: %{}, do: {String.to_atom(key), val}),