public async Task <Voucher> BuyAsync(Guid customerId, Guid spendRuleId)
{
var customerProfileResponse =
await _customerProfileClient.CustomerProfiles.GetByCustomerIdAsync(customerId.ToString());
if (customerProfileResponse?.Profile == null)
{
throw new CustomerNotFoundException();
}
var customerWalletStatusResponse =
await _walletManagementClient.Api.GetCustomerWalletBlockStateAsync(customerId.ToString());
if (customerWalletStatusResponse.Status == CustomerWalletActivityStatus.Blocked)
{
throw new CustomerWalletBlockedException();
}
var spendRuleResult = await _campaignClient.BurnRules.GetByIdAsync(spendRuleId);
if (spendRuleResult.ErrorCode == CampaignServiceErrorCodes.EntityNotFound)
{
throw new SpendRuleNotFoundException();
}
if (spendRuleResult.Vertical != Vertical.Retail)
{
throw new InvalidSpendRuleVerticalException();
}
if (!spendRuleResult.Price.HasValue)
{
throw new InvalidSpendRulePriceException();
}
var amount = await ConvertVoucherPriceToTokensAsync(customerId, spendRuleId, spendRuleResult.Price.Value);
var customerBalanceResponse = await _privateBlockchainFacadeClient.CustomersApi.GetBalanceAsync(customerId);
if (customerBalanceResponse.Total - customerBalanceResponse.Staked < amount)
{
throw new NoEnoughTokensException();
}
var voucher =
await _vouchersService.ReserveAsync(spendRuleId, customerId, spendRuleResult.Price.Value, amount);
try
{
await _transfersService.CreateAsync(customerId, spendRuleId, voucher.Id, amount);
}
catch
{
await _vouchersService.ReleaseAsync(voucher.Id);
throw;
}
return(voucher);
}