Ru.GameSchool.DataLayer.Repository.LevelExamResult.FixupLevelExam C# (CSharp) Method

        private void FixupLevelExam(LevelExam previousValue)
        {
            if (previousValue != null && previousValue.LevelExamResults.Contains(this))
            {
                previousValue.LevelExamResults.Remove(this);
            }
    
            if (LevelExam != null)
            {
                if (!LevelExam.LevelExamResults.Contains(this))
                {
                    LevelExam.LevelExamResults.Add(this);
                }
                if (LevelExamId != LevelExam.LevelExamId)
                {
                    LevelExamId = LevelExam.LevelExamId;
                }
            }
        }