protected override async Task <object> OnPerform()
{
var response = await _restClient.VerifyTaxExempt(
_cacheManager.SaleNumber, _cacheManager.TillNumberForSale,
_cacheManager.RegisterNumber);
var data = await response.Content.ReadAsStringAsync();
switch (response.StatusCode)
{
case HttpStatusCode.OK:
var taxExemptVerification = new DeSerializer().MapTaxExemptVerification(data);
return(new Mapper().MapTaxExemptVerification(taxExemptVerification));
default:
return(await HandleExceptions(response));
}
}