public async Task <ActionResult <List <EmploymentDto> > > GetAllEmployments([FromQuery] int?subscriptionId)
{
var employments = subscriptionId == null
? await _employmentService.GetEmploymentsAsync()
: await _employmentService.GetEmploymentsBySubscriptionIdAsync(subscriptionId.Value);
var response = _mapper.Map <List <EmploymentDto> >(employments);
return(Ok(response));
}