CourseWork_ServiceStation/ServiceStation/ServiceStationBusinessLogic/BusinessLogics/CarLogic.cs

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using Microsoft.Extensions.Logging;
using ServiceStationContracts.BindingModels;
using ServiceStationContracts.BusinessLogicsContracts;
using ServiceStationContracts.SearchModels;
using ServiceStationContracts.StoragesContracts;
using ServiceStationContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ServiceStationBusinessLogic.BusinessLogics
{
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. Car:{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 is not found");
return null;
}
_logger.LogInformation("ReadElement fing. 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);
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.CarBrand))
{
throw new ArgumentNullException("Нет названия бренда машины", nameof(model.CarBrand));
}
if (string.IsNullOrEmpty(model.CarNumber))
{
throw new ArgumentNullException("Нет номера машины", nameof(model.CarNumber));
}
_logger.LogInformation("Car. CarBrand:{CarBrand}. CarNumber:{CarNumber}. Id:{Id}", model.CarBrand, model.CarNumber, model.Id);
var element = _carStorage.GetElement(new CarSearchModel
{
CarNumber = model.CarNumber
});
if(element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Машина с таким номером уже есть");
}
}
}
}