PIbd-23_Minhasapov_R.H._Aut.../AutomobilePlant/AutomobilePlantBusinessLogic/BusinessLogics/CarLogic.cs

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C#
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using AutomobilePlantContracts.BusinessLogicContracts;
using AutomobilePlantContracts.StorageContracts;
using AutomobilePlantContracts.BindingModels;
using AutomobilePlantContracts.SearchModels;
using AutomobilePlantContracts.ViewModels;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AutomobilePlantBusinessLogic.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 bool Create(CarBindingModel model)
{
CheckModel(model);
if (_carStorage.Insert(model) == null)
{
_logger.LogWarning("Insert 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;
}
public bool Update(CarBindingModel model)
{
CheckModel(model);
if (_carStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public CarViewModel? ReadElement(CarSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. CarName:{CarName}.Id:{ Id}", model.CarName, 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 List<CarViewModel>? ReadList(CarSearchModel? model)
{
_logger.LogInformation("ReadList. CarName:{CarName}.Id:{ Id}", model?.CarName, 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;
}
private void CheckModel(CarBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.CarName))
{
throw new ArgumentNullException("Нет названия авто", nameof(model.CarName));
}
if (model.Price <= 0)
{
throw new ArgumentNullException("Стоимость авто должна быть больше 0", nameof(model.Price));
}
_logger.LogInformation("Car. CarName:{CarName}.Price:{ Price}. Id: { Id}", model.CarName, model.Price, model.Id);
var element = _carStorage.GetElement(new CarSearchModel
{
CarName = model.CarName
});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Авто с таким названием уже есть");
}
}
}
}