PIbd-23_Polevoy_S.V._Flower.../FlowerShop/FlowerShopBusinessLogic/BouquetLogic.cs

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using FlowerShopContracts.BindingModels;
using FlowerShopContracts.BusinessLogicsContracts;
using FlowerShopContracts.SearchModels;
using FlowerShopContracts.StoragesContracts;
using FlowerShopContracts.ViewModels;
using Microsoft.Extensions.Logging;
namespace FlowerShopBusinessLogic.BusinessLogics
{
public class BouquetLogic : IBouquetLogic
{
private readonly ILogger _logger;
private readonly IBouquetStorage _bouquetStorage;
public BouquetLogic(ILogger<BouquetLogic> logger, IBouquetStorage bouquetStorage)
{
_logger = logger;
_bouquetStorage = bouquetStorage;
}
public List<BouquetViewModel>? ReadList(BouquetSearchModel? model)
{
_logger.LogInformation("ReadList. BouquetName: {BouquetName}. Id: {Id}", model?.BouquetName, model?.Id);
var list = model == null ? _bouquetStorage.GetFullList() : _bouquetStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public BouquetViewModel? ReadElement(BouquetSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. BouquetName: {BouquetName}. Id: {Id}", model.BouquetName, model.Id);
var element = _bouquetStorage.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(BouquetBindingModel model)
{
CheckModel(model);
if (_bouquetStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Update(BouquetBindingModel model)
{
CheckModel(model);
if (_bouquetStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public bool Delete(BouquetBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id: {Id}", model.Id);
if (_bouquetStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
private void CheckModel(BouquetBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.BouquetName))
{
throw new ArgumentNullException("Нет названия букета", nameof(model.BouquetName));
}
if (model.Price <= 0)
{
throw new ArgumentNullException("Цена букета должна быть больше 0", nameof(model.Price));
}
_logger.LogInformation("Bouquet. BouquetName: {BouquetName}. Price: {Price}. Id: {Id}", model.BouquetName, model.Price, model.Id);
var element = _bouquetStorage.GetElement(new BouquetSearchModel { BouquetName = model.BouquetName });
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Компонент с таким названием уже есть");
}
}
}
}