public async Task <int> GetUniqueAchievementsCountByUserId(Guid userId)
 {
     return(await AchievementsRepositoryHelper.GetUniqueAchievementsCountByUserId(userId.ToByteArray()));
 }
 public async Task <int> GetBlackBeltAchievementCountByUserId(Guid userId)
 {
     return(await AchievementsRepositoryHelper.GetAchievementCountByUserIdAndBeltColour(userId.ToByteArray(), "Black"));
 }