Ru.GameSchool.DataLayer.Repository.Comment.FixupLevelMaterial C# (CSharp) Method

        private void FixupLevelMaterial(LevelMaterial previousValue)
        {
            if (previousValue != null && previousValue.Comments.Contains(this))
            {
                previousValue.Comments.Remove(this);
            }
    
            if (LevelMaterial != null)
            {
                if (!LevelMaterial.Comments.Contains(this))
                {
                    LevelMaterial.Comments.Add(this);
                }
                if (LevelMaterialId != LevelMaterial.LevelMaterialId)
                {
                    LevelMaterialId = LevelMaterial.LevelMaterialId;
                }
            }
        }