Ru.GameSchool.DataLayer.Repository.Announcement.FixupLevel C# (CSharp) Méthode

        private void FixupLevel(Level previousValue)
        {
            if (previousValue != null && previousValue.Announcements.Contains(this))
            {
                previousValue.Announcements.Remove(this);
            }
    
            if (Level != null)
            {
                if (!Level.Announcements.Contains(this))
                {
                    Level.Announcements.Add(this);
                }
                if (LevelId != Level.LevelId)
                {
                    LevelId = Level.LevelId;
                }
            }
        }