Backend support to get used media size for users and actors

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

lib/graphql/schema/actors/application.ex

@@ -3,6 +3,7 @@ defmodule Mobilizon.GraphQL.Schema.Actors.ApplicationType do
   Schema representation for Group.
   """
 
+  alias Mobilizon.GraphQL.Resolvers.Picture
   use Absinthe.Schema.Notation
 
   @desc """
@@ -34,5 +35,10 @@ defmodule Mobilizon.GraphQL.Schema.Actors.ApplicationType do
     field(:followers, list_of(:follower), description: "List of followers")
     field(:followersCount, :integer, description: "Number of followers for this actor")
     field(:followingCount, :integer, description: "Number of actors following this actor")
+
+    field(:media_size, :integer,
+      resolve: &Picture.actor_size/3,
+      description: "The total size of the media from this actor"
+    )
   end
 end