public async Task <Wage> Handle(ChangeSalaryCommand request, CancellationToken cancellationToken)
{
if (!request.IsValid())
{
throw new BusinessException("Change salary command is invalid");
}
var employee = await employeeQuery.Get(request.EmployeeId, cancellationToken);
employee.ChangeSalary(request.CountUnit, request.Amount);
return(await wageRepository.Create(employee.Id, employee.Wages.Last()));
}
