PIbd-23_Starostin_I.K._Cour.../STOBusinessLogic/CarLogic.cs

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C#
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using Microsoft.Extensions.Logging;
using STOContracts.BindingModels;
using STOContracts.BusinessLogicsContracts;
using STOContracts.SearchModels;
using STOContracts.StorageContracts;
using STOContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ShipyardBusinessLogic
{
public class CarLogic: ICarLogic
{
private readonly ILogger _logger;
private readonly ICarStorage _CarStorage;
public CarLogic(ILogger<CarLogic> logger, ICarStorage CarStorage)
{
_logger = logger;
_CarStorage = CarStorage;
}
public List<CarViewModel>? ReadList(CarSearchModel? model)
{
_logger.LogInformation("ReadList. CarNumber:{CarNumber}. Id:{ Id}", model?.CarNumber, model?.Id);
var list = model == null ? _CarStorage.GetFullList() : _CarStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public CarViewModel? ReadElement(CarSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. CarNumber:{CarNumber}.Id:{ Id}", model.CarNumber, model.Id);
var element = _CarStorage.GetElement(model);
if (element == null)
{
_logger.LogWarning("ReadElement element not found");
return null;
}
_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
return element;
}
public bool Create(CarBindingModel model)
{
CheckModel(model);
if (_CarStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Update(CarBindingModel model)
{
CheckModel(model);
if (_CarStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public bool Delete(CarBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id:{Id}", model.Id);
if (_CarStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
private void CheckModel(CarBindingModel model, bool withParams =
true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.CarNumber))
{
throw new ArgumentNullException("Нет гос номера автомобиля",
nameof(model.CarNumber));
}
if (string.IsNullOrEmpty(model.CarBrand))
{
throw new ArgumentNullException("Нет марки автомобиля",
nameof(model.CarNumber));
}
if (string.IsNullOrEmpty(model.CarModel))
{
throw new ArgumentNullException("Нет модели автомобиля",
nameof(model.CarNumber));
}
_logger.LogInformation("Car. Car:{Car}. Id: { Id}", model.CarNumber, model.Id);
var element = _CarStorage.GetElement(new CarSearchModel
{
CarNumber = model.CarNumber
});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("авто с таким номером уже есть");
}
}
}
}