lectures/202409/ConsoleApp1/Animals/Animal.cs

namespace ConsoleApp1.Animals
{
    internal class Animal
    {
        #region internal classes
        internal class MilkConsumerAreaInfo
        {
            public int Volume { get; set; }
            public DateTime MonitoringDate { get; set; }
        }

        private class MilkConsumer
        {
            public int MilkVolume { get; set; }
        }
        #endregion


        private List<MilkConsumer> knownMilkConsumers = new List<MilkConsumer>();
        private string _typeName;

        public void MeetMilkConsumer(int Volume)
        {
            knownMilkConsumers.Add(new MilkConsumer() { MilkVolume = Volume });
        }
        public void MeetMilkProduce(int Volume)
        {
            knownMilkConsumers.Add(new MilkConsumer() { MilkVolume = -Volume });
        }

        internal MilkConsumerAreaInfo GetAreaInfo()
        {
            return new MilkConsumerAreaInfo();
        }

        protected void SetAnimalTypeName(string sTypeName)
        {
            _typeName = sTypeName;
        }
    }

    internal class CatAnimal : Animal
    {
        public CatAnimal()
        {
            SetAnimalTypeName("cat");
        }

        
    }
}