ISEbd-22_Alimova_M.S._Confe.../Confectionery/ConfectioneryBusinessLogic/PastryLogic.cs

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using Microsoft.Extensions.Logging;
using ConfectioneryContracts.BindingModels;
using ConfectioneryContracts.BusinessLogicsContracts;
using ConfectioneryContracts.SearchModels;
using ConfectioneryContracts.StoragesContracts;
using ConfectioneryContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConfectioneryBusinessLogic
{
public class PastryLogic : IPastryLogic
{
private readonly ILogger _logger;
private readonly IPastryStorage _PastryStorage;
public PastryLogic(ILogger<PastryLogic> logger, IPastryStorage PastryStorage)
{
_logger = logger;
_PastryStorage = PastryStorage;
}
public List<PastryViewModel>? ReadList(PastrySearchModel? model)
{
_logger.LogInformation("ReadList. PastryName:{PastryName}.Id:{ Id}", model?.PastryName, model?.Id);
var list = model == null ? _PastryStorage.GetFullList() : _PastryStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public PastryViewModel? ReadElement(PastrySearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. PastryName:{PastryName}.Id:{ Id}", model.PastryName, model.Id);
var element = _PastryStorage.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(PastryBindingModel model)
{
CheckModel(model);
if (_PastryStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Update(PastryBindingModel model)
{
CheckModel(model);
if (_PastryStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public bool Delete(PastryBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id:{Id}", model.Id);
if (_PastryStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
private void CheckModel(PastryBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.PastryName))
{
throw new ArgumentNullException("Нет названия кондитерского изделия", nameof(model.PastryName));
}
if (model.Price <= 0)
{
throw new ArgumentNullException("Цена кондитерского изделия должна быть больше 0", nameof(model.Price));
}
if (model.PastryComponents == null || model.PastryComponents.Count == 0)
{
throw new ArgumentNullException("Перечень ингредиентов не может быть пустым", nameof(model.PastryComponents));
}
_logger.LogInformation("Pastry. PastryName:{PastryName}.Price:{Price}.Id: { Id}", model.PastryName, model.Price, model.Id);
var element = _PastryStorage.GetElement(new PastrySearchModel{PastryName = model.PastryName});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Кондитерское изделие с таким названием уже есть");
}
}
}
}