129 lines
3.2 KiB
C#
129 lines
3.2 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 CarLogic : ICarLogic
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{
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private readonly ICarStorage _carStorage;
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public CarLogic(ICarStorage CarStorage)
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{
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_carStorage = CarStorage;
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}
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public List<CarViewModel>? ReadList(CarSearchModel? model)
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{
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var list = model == null ? _carStorage.GetFullList() :
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_carStorage.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 CarViewModel? ReadElement(CarSearchModel 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 = _carStorage.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(CarBindingModel model)
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{
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CheckModel(model);
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if (_carStorage.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(CarBindingModel model)
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{
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CheckModel(model);
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if (_carStorage.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(CarBindingModel model)
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{
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CheckModel(model, false);
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if (_carStorage.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(CarBindingModel 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 (string.IsNullOrEmpty(model.Brand))
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{
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throw new ArgumentNullException("Нет производителя авто",
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nameof(model.Brand));
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}
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if (string.IsNullOrEmpty(model.Model))
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{
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throw new ArgumentNullException("Нет адреса филиала",
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nameof(model.Model));
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}
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if (string.IsNullOrEmpty(model.Color))
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{
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throw new ArgumentNullException("Нет номера телефона филиала",
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nameof(model.Color));
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}
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if (string.IsNullOrEmpty(model.LicensePlate))
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{
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throw new ArgumentNullException("Нет номера телефона филиала",
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nameof(model.LicensePlate));
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}
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if(model.RentalCostPerHour < 0)
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{
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throw new ArgumentNullException("Цена аренды должна быть больше 0",
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nameof(model.RentalCostPerHour));
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}
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if(model.YearOfManuf > DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc))
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{
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throw new ArgumentNullException("Неверно указана дата выпуска автомобиля",
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nameof(model.YearOfManuf));
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}
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if (model.BranchId < 0)
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{
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throw new ArgumentNullException("Укажите филиал",
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nameof(model.BranchId));
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}
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var element = _carStorage.GetElement(
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new CarSearchModel
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{
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LicensePlate = model.LicensePlate
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}
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);
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Автомобиль с таким номером уже есть");
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}
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}
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}
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}
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