[GraphQL] Move events endpoint to paginated event list

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

lib/graphql/resolvers/admin.ex

@@ -190,7 +190,7 @@ defmodule Mobilizon.GraphQL.Resolvers.Admin do
       when is_admin(role) do
     last_public_event_published =
       case Events.list_events(1, 1, :inserted_at, :desc) do
-        [event | _] -> event
+        %Page{elements: [event | _]} -> event
         _ -> nil
       end
 

lib/graphql/resolvers/event.ex

@@ -161,7 +161,9 @@ defmodule Mobilizon.GraphQL.Resolvers.Event do
     events =
       if @number_of_related_events - length(events) > 0 do
         events
-        |> Enum.concat(Events.list_events(1, @number_of_related_events, :begins_on, :asc, true))
+        |> Enum.concat(
+          Events.list_events(1, @number_of_related_events, :begins_on, :asc, true).elements
+        )
         |> uniq_events()
       else
         events