104 lines
2.3 KiB
C#
104 lines
2.3 KiB
C#
using CarRentContracts.BindingModels;
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using CarRentContracts.BusinessLogicContracts;
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using CarRentContracts.SearchModels;
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using CarRentContracts.StoragesContracts;
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using CarRentContracts.ViewModels;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace CarRentBusinessLogic.BusinessLogics
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{
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public class RentalLogic : IRentalLogic
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{
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private readonly IRentalStorage _rentalStorage;
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public RentalLogic(IRentalStorage RentalStorage)
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{
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_rentalStorage = RentalStorage;
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}
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public string TestInsertList(int num,
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List<ClientViewModel> clients,
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List<CarViewModel> cars)
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{
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return _rentalStorage.TestInsertList(num, clients, cars);
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}
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public string TestReadList(int num)
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{
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return _rentalStorage.TestReadList(num);
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}
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public List<RentalViewModel>? ReadList(RentalSearchModel? model)
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{
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var list = model == null ? _rentalStorage.GetFullList() :
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_rentalStorage.GetFilteredList(model);
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if (list == null)
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{
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return null;
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}
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return list;
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}
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public RentalViewModel? ReadElement(RentalSearchModel model)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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var element = _rentalStorage.GetElement(model);
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if (element == null)
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{
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return null;
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}
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return element;
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}
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public bool Create(RentalBindingModel model)
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{
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CheckModel(model);
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if (_rentalStorage.Insert(model) == null)
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{
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return false;
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}
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return true;
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}
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public bool Update(RentalBindingModel model)
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{
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CheckModel(model);
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if (_rentalStorage.Update(model) == null)
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{
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return false;
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}
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return true;
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}
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public bool Delete(RentalBindingModel model)
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{
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CheckModel(model, false);
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if (_rentalStorage.Delete(model) == null)
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{
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return false;
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}
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return true;
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}
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private void CheckModel(RentalBindingModel model, bool withParams = true)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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if (!withParams)
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{
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return;
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}
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if (model.RentalCost < 0)
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{
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throw new ArgumentNullException("Цена аренды должна быть больше 0",
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nameof(model.RentalCost));
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}
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if (model.StartDate > DateTime.Now)
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{
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throw new ArgumentNullException("Дата указана неверно",
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nameof(model.StartDate));
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}
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}
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}
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}
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