PIbd-21_KozyrevSS_SewingDre.../SewingDresses/SewingDressesBusinessLogic/BusinessLogic/DressLogic.cs

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C#
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using Microsoft.Extensions.Logging;
using SewingDressesContracts.BindingModels;
using SewingDressesContracts.BusinessLogicsContracts;
using SewingDressesContracts.SearchModels;
using SewingDressesContracts.StoragesContracts;
using SewingDressesContracts.ViewModels;
namespace SewingDressesBusinessLogic.BusinessLogic
{
public class DressLogic : IDressLogic
{
private readonly ILogger _logger;
private readonly IDressStorage _dressStorage;
public DressLogic(ILogger<DressLogic> logger, IDressStorage dressStorage)
{
_logger = logger;
_dressStorage = dressStorage;
}
public List<DressViewModel>? ReadList(DressSearchModel? model)
{
_logger.LogInformation("ReadList. DressName:{DressName}. Id:{Id}", model?.DressName, model?.Id);
var list = model == null ? _dressStorage.GetFullList() : _dressStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public DressViewModel? ReadElement(DressSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. DressName:{DressName}. Id: {Id}", model.DressName, model.Id);
var element = _dressStorage.GetElement(model);
if (element == null)
{
_logger.LogWarning("ReadElement element not found");
return null;
}
_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
return element;
}
private void CheckModel(DressBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.DressName))
{
throw new ArgumentNullException("Нет названия платья", nameof(model.DressComponents));
}
if (model.Price <= 0)
{
throw new ArgumentNullException("Цена платья должна быть больше 0", nameof(model.Price));
}
_logger.LogInformation("Dress. DressName:{DressName}. Price:{Price}. Id:{Id}", model.DressName, model.Price, model.Id);
var element = _dressStorage.GetElement(new DressSearchModel
{
DressName = model.DressName
});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Платье с таким названием уже есть");
}
}
public bool Create(DressBindingModel model)
{
CheckModel(model);
if (_dressStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Update(DressBindingModel model)
{
CheckModel(model);
if (_dressStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public bool Delete(DressBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id:{Id}", model.Id);
if (_dressStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
}
}