private Result <TSuccess, OperationError> Modify <TSuccess>(int id, Func <DataProcessingRegistration, Result <TSuccess, OperationError> > mutation)
{
using var transaction = _transactionManager.Begin(IsolationLevel.ReadCommitted);
var result = _repository.GetById(id);
if (result.IsNone)
{
return(new OperationError(OperationFailure.NotFound));
}
var registration = result.Value;
if (!_authorizationContext.AllowModify(registration))
{
return(new OperationError(OperationFailure.Forbidden));
}
var mutationResult = mutation(registration);
if (mutationResult.Ok)
{
_repository.Update(registration);
transaction.Commit();
}
return(mutationResult);
}
public void Handle(EntityDeletedEvent <ItSystemUsage> domainEvent)
{
var usage = domainEvent.Entity;
foreach (var dataProcessingRegistration in usage.AssociatedDataProcessingRegistrations.ToList())
{
_assignmentService.RemoveSystem(dataProcessingRegistration, usage.ItSystemId);
_dataProcessingRegistrationRepository.Update(dataProcessingRegistration);
}
}