SUBD_PIbd-21_Balberova_D.N./BeautySaloon/BeautySaloonBusinessLogic/ServiceLogic.cs
2023-03-30 13:59:00 +04:00

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using BeautySaloonContracts.BindingModels;
using BeautySaloonContracts.BusinessLogicsContracts;
using BeautySaloonContracts.SearchModels;
using BeautySaloonContracts.StoragesContracts;
using BeautySaloonContracts.ViewModels;
namespace BeautySaloonBusinessLogic
{
public class ServiceLogic : IServiceLogic
{
private readonly IServiceStorage _serviceStorage;
public ServiceLogic(IServiceStorage serviceStorage)
{
_serviceStorage = serviceStorage;
}
public bool Create(ServiceBindingModel model)
{
CheckModel(model);
if (_serviceStorage.Insert(model) == null)
{
return false;
}
return true;
}
public bool Delete(ServiceBindingModel model)
{
CheckModel(model, false);
if (_serviceStorage.Delete(model) == null)
{
return false;
}
return true;
}
public ServiceViewModel? ReadElement(ServiceSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
var element = _serviceStorage.GetElement(model);
if (element == null)
{
return null;
}
return element;
}
public List<ServiceViewModel>? ReadList(ServiceSearchModel? model)
{
var list = model == null ? _serviceStorage.GetFullList() :
_serviceStorage.GetFilteredList(model);
if (list == null)
{
return null;
}
return list;
}
public List<ReportViewModel>? ReadMostPopular()
{
var list = _serviceStorage.ReadMostPopular();
if (list == null)
{
return null;
}
return list;
}
public bool Update(ServiceBindingModel model)
{
CheckModel(model);
if (_serviceStorage.Update(model) == null)
{
return false;
}
return true;
}
private void CheckModel(ServiceBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.Name))
{
throw new ArgumentNullException("Нет названия у услуги", nameof(model.Name));
}
var element = _serviceStorage.GetElement(new ServiceSearchModel
{
Name = model.Name
});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Услуга с таким названием уже есть");
}
}
}
}