public JsonResult GetPrevPortion(long userId, long id)
{
if (UserLanguages.IsInvalid(_userLanguages))
{
return(JsonResultHelper.Error());
}
return(_shuffleController.GetPortion(userId, id,
userUnique =>
_query.GetPrevPortion(userId, id, _userLanguages)));
}
public JsonResult GetPrevPortion(string userUniqueId, long id)
{
return(_shuffleController.GetPortion(userUniqueId, id,
userUnique =>
_query.GetPrevPortion(userUnique, id, _userLanguages)));
}