COP3PLUSSagirov/BuisnessLogic/DeliveryLogic.cs

using Contracts.BindingModels;
using Contracts.BuisnessLogicsContracts;
using Contracts.SearchModels;
using Contracts.StorageContracts;
using Contracts.ViewModels;

namespace BuisnessLogic
{
    public class DeliveryLogic : IDeliveryLogic
    {
        IDeliveryStorage _deliveryStorage;

        public DeliveryLogic(IDeliveryStorage deliveryStorage)
        {
            _deliveryStorage = deliveryStorage;
        }

        public bool Create(DeliveryBindingModel model)
        {
            CheckModel(model);
            if (_deliveryStorage.Insert(model) == null)
            {
                return false;
            }
            return true;
        }

        public bool Delete(DeliveryBindingModel model)
        {
            CheckModel(model, false);
            if (_deliveryStorage.Delete(model) == null)
            {
                return false;
            }
            return true;
        }

        public DeliveryViewModel? ReadElement(DeliverySearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            var element = _deliveryStorage.GetElement(model);
            if (element == null)
            {
                return null;
            }
            return element;
        }

        public List<DeliveryViewModel>? ReadList(DeliverySearchModel? model)
        {
            var list = model == null ? _deliveryStorage.GetFullList() : _deliveryStorage.GetFilteredList(model);
            if (list == null)
            {
                return null;
            }
            return list;
        }

        public bool Update(DeliveryBindingModel model)
        {
            CheckModel(model);
            if (_deliveryStorage.Update(model) == null)
            {
                return false;
            }
            return true;
        }

        private void CheckModel(DeliveryBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty(model.CourierFIO))
            {
                throw new ArgumentNullException("Нет ФИО Курьера", nameof(model.CourierFIO));
            }
            if (string.IsNullOrEmpty(model.Phone))
            {
                throw new ArgumentNullException("Нет телефона офиса", nameof(model.Phone));
            }
            if (string.IsNullOrEmpty(model.Image))
            {
                throw new ArgumentNullException("Нет фото посылки", nameof(model.Image));
            }
            if (string.IsNullOrEmpty(model.Type))
            {
                throw new ArgumentNullException("Нет типа посылки", nameof(model.Type));
            }
        }
    }
}