public async Task <Unit> SaveUnitAsync(Unit unit, CancellationToken cancellationToken = default(CancellationToken))
{
var saved = await _unitsRepository.SaveOrUpdateAsync(unit, cancellationToken);
_eventAggregator.SendMessage <DepartmentSettingsUpdateEvent>(new DepartmentSettingsUpdateEvent()
{
DepartmentId = saved.DepartmentId
});
return(saved);
}