PIbd-22_Shabunov_O.A._SushiBar/SushiBarBusinessLogic/CookLogic.cs

using SushiBarContracts.BindingModels;
using SushiBarContracts.SearchModels;
using SushiBarContracts.ViewModels;
using SushiBarDatabaseImplement.Storages;

namespace SushiBarBusinessLogic
{
    public class CookLogic
    {
        private readonly CookStorage _cookStorage;

        public CookLogic(CookStorage CookStorage)
        {
            _cookStorage = CookStorage;
        }

        public List<CookViewModel>? ReadList(CookSearchModel? Model)
        {
            var List = Model is null ? _cookStorage.GetFullList() : _cookStorage.GetFilteredList(Model);

            if (List is null)
            {
                return null;
            }
            return List;
        }

        public CookViewModel? ReadElement(CookSearchModel? Model)
        {
            if (Model is null)
                throw new ArgumentNullException(nameof(Model));

            var Element = _cookStorage.GetElement(Model);

            if (Element is null)
            {
                return null;
            }
            return Element;
        }

        public bool Create(CookBindingModel Model)
        {
            if (_cookStorage.Insert(Model) is null)
            {
                return false;
            }
            return true;
        }

        public bool Update(CookBindingModel Model)
        {
            if (_cookStorage.Update(Model) is null)
            {
                return false;
            }
            return true;
        }

        public bool Delete(CookBindingModel Model)
        {
            if (_cookStorage.Delete(Model) is null)
            {
                return false;
            }
            return true;
        }
    }
}