public void Insert(ServicesBindingModel model)
{
using (var context = new ComputerRepairDatabase())
{
context.Services.Add(CreateModel(model, new Services()));
context.SaveChanges();
}
}
public List <ServicesViewModel> Read(ServicesBindingModel model)
{
if (model.Id.HasValue)
{
return(new List <ServicesViewModel> {
_servicesStorage.GetElement(model)
});
}
return(_servicesStorage.GetFullList());
}
public void Update(ServicesBindingModel model)
{
using (var context = new ComputerRepairDatabase())
{
var element = context.Services.FirstOrDefault(rec => rec.Id == model.Id);
if (element == null)
{
throw new Exception("Элемент не найден");
}
CreateModel(model, element);
context.SaveChanges();
}
}
public void Delete(ServicesBindingModel model)
{
var element = _servicesStorage.GetElement(new ServicesBindingModel
{
Id = model.Id
});
if (element == null)
{
throw new Exception("Элемент не найден");
}
_servicesStorage.Delete(model);
}
public ServicesViewModel GetElement(ServicesBindingModel model)
{
if (model == null)
{
return(null);
}
using (var context = new ComputerRepairDatabase())
{
var service = context.Materials.FirstOrDefault(rec => rec.Id == model.Id);
return(service != null ? new ServicesViewModel
{
Id = service.Id,
Name = service.Name,
Price = service.Price
} : null);
}
}
public void CreateOrUpdate(ServicesBindingModel model)
{
var element = _servicesStorage.GetElement(new ServicesBindingModel
{
Name = model.Name
});
if (element != null && element.Id != model.Id)
{
throw new Exception("Уже есть услуга с таким названием");
}
if (model.Id.HasValue)
{
_servicesStorage.Update(model);
}
else
{
_servicesStorage.Insert(model);
}
}
private Services CreateModel(ServicesBindingModel model, Services service)
{
service.Name = model.Name;
service.Price = model.Price;
return(service);
}
