PIbd-23_Borschevskaya_A.A._.../FurnitureAssembly/FurnitureAssemblyBusinessLogic/FurnitureLogic.cs

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C#
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using FurnitureAssemblyContracts.BindingModels;
using FurnitureAssemblyContracts.BusinessLogicsContarcts;
using FurnitureAssemblyContracts.SearchModels;
using FurnitureAssemblyContracts.StoragesContracts;
using FurnitureAssemblyContracts.ViewModels;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace FurnitureAssemblyBusinessLogic
{
public class FurnitureLogic : IFurnitureLogic
{
private readonly ILogger _logger;
private readonly IFurnitureStorage _furnitureStorage;
public FurnitureLogic(ILogger<FurnitureLogic> logger, IFurnitureStorage furnitureStorage)
{
_logger = logger;
_furnitureStorage = furnitureStorage;
}
public bool Create(FurnitureBindingModel model)
{
CheckModel(model);
if (_furnitureStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Delete(FurnitureBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id:{Id}", model.Id);
if (_furnitureStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
public FurnitureViewModel? ReadElement(FurnitureSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. FurnitureName:{FurnitureName}. Id:{ Id}", model.FurnitureName, model.Id);
var element = _furnitureStorage.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<FurnitureViewModel>? ReadList(FurnitureSearchModel? model)
{
_logger.LogInformation("ReadList. FurnitureName:{FurnitureName}. Id:{ Id}", model?.FurnitureName, model?.Id);
var list = model == null ? _furnitureStorage.GetFullList() : _furnitureStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public bool Update(FurnitureBindingModel model)
{
CheckModel(model);
if (_furnitureStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
private void CheckModel(FurnitureBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.FurnitureName))
{
throw new ArgumentNullException("Нет названия изделия",
nameof(model.FurnitureName));
}
if (model.Price <= 0)
{
throw new ArgumentNullException("Цена изделия должна быть больше 0", nameof(model.Price));
}
_logger.LogInformation("Furniture. FurnitureName:{FurnitureName}. Price:{ Price}. Id: { Id}", model.FurnitureName, model.Price, model.Id);
var element = _furnitureStorage.GetElement(new FurnitureSearchModel { FurnitureName = model.FurnitureName });
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Изделие с таким названием уже есть");
}
}
}
}