public async Task ListAllVacationsAsync([Summary(description: "Format: yyyy-MM-dd")] DateTime?dateFilter = null)
{
if (dateFilter == null)
{
var response = await _vacationProvider.GetVacations();
await RespondAsync(response);
}
else
{
var response = await _vacationProvider.GetVacations(dateFilter.Value);
await RespondAsync(response);
}
}
