public async Task <LaserEntity> SaveLaser(LaserEntity entity)
        {
            var _item = await Query.Where(e => e.Id == entity.Id).FirstOrDefaultAsync();

            if (_item == null)
            {
                _item = (await SaveEntity(entity.ToLaser(null)));
            }
            else
            {
                _item = (await SaveEntity(entity.ToLaser(_item)));
            }
            return(await GetLaser(_item.Id));
        }
        public static LaserViewModel ToLaserViewModel(this LaserEntity entity)
        {
            LaserViewModel model = new LaserViewModel();

            model.Id              = entity.Id;
            model.Model           = entity.Model;
            model.Type            = entity.Type;
            model.Producer        = entity.Producer;
            model.WaveLength      = entity.WaveLength;
            model.MaxPower        = entity.MaxPower;
            model.OutputPower     = entity.OutputPower;
            model.DescriptionFORM = entity.Description;
            model.Name            = entity.Producer;
            return(model);
        }
        public static LaserEntity ToLaserEntity(this LaserViewModel model)
        {
            LaserEntity entity = new LaserEntity();

            if (model.Id > 0)
            {
                entity.Id = model.Id;
            }
            entity.Model       = model.Model;
            entity.Type        = model.Type;
            entity.Producer    = model.Producer;
            entity.WaveLength  = model.WaveLength;
            entity.MaxPower    = model.MaxPower;
            entity.OutputPower = model.OutputPower;
            entity.Description = model.DescriptionFORM;
            return(entity);
        }
        public static Laser ToLaser(this LaserEntity newEntity, Laser oldEntity = null)
        {
            Laser entity = oldEntity;

            if (entity == null)
            {
                entity = new Laser();
            }
            entity.Producer    = newEntity.Producer;
            entity.Model       = newEntity.Model;
            entity.Type        = newEntity.Type;
            entity.WaveLength  = newEntity.WaveLength;
            entity.OutputPower = newEntity.OutputPower;
            entity.MaxPower    = newEntity.MaxPower;
            entity.Description = newEntity.Description;
            return(entity);
        }
        public static LaserEntity ToLaserEntity(this Laser model)
        {
            if (model == null)
            {
                return(null);
            }

            LaserEntity entity = new LaserEntity();

            entity.Id          = model.Id;
            entity.Producer    = model.Producer;
            entity.Model       = model.Model;
            entity.Type        = model.Type;
            entity.WaveLength  = model.WaveLength;
            entity.OutputPower = model.OutputPower;
            entity.MaxPower    = model.MaxPower;
            entity.Description = model.Description;
            return(entity);
        }