Stage 8

src/handlers/handler_calendars.erl

@@ -27,6 +27,18 @@ create_calendar(Req) ->
               Tags = maps:get(<<"tags">>, Decoded, []),
               Type = parse_type(maps:get(<<"type">>, Decoded, <<"personal">>)),
 
+              % Проверяем подписку для commercial календарей ДО создания
+              case Type of
+                commercial ->
+                  case logic_subscription:can_create_commercial_calendar(UserId) of
+                    true -> ok;
+                    false ->
+                      send_error(Req2, 402, <<"Subscription required for commercial calendar">>),
+                      throw(stop)
+                  end;
+                personal -> ok
+              end,
+
               case logic_calendar:create_calendar(UserId, Title, Description, Confirmation) of
                 {ok, Calendar} ->
                   % Обновляем теги и тип
@@ -46,6 +58,7 @@ create_calendar(Req) ->
         _ ->
           send_error(Req2, 400, <<"Invalid JSON">>)
       catch
+        throw:stop -> ok;  % Уже отправили ошибку
         _:_ ->
           send_error(Req2, 400, <<"Invalid JSON format">>)
       end;