Статистика для дашборда #7

src/core/core_subscription.erl

@@ -10,6 +10,7 @@
   update_subscription/2,
   delete_subscription/1
 ]).
+-export([count_subscription/0]).
 
 -define(TRIAL_DAYS, 30).
 
@@ -214,4 +215,6 @@ apply_updates(Sub, Updates) ->
         Acc#subscription{expires_at = Value, updated_at = calendar:universal_time()};
       _ -> Acc
     end
-              end, Sub, maps:to_list(Updates)).
+              end, Sub, maps:to_list(Updates)).
+
+count_subscription() -> mnesia:table_info(subscription, size).