/**
* 支付准备
*
* @param order 订单信息
* @param payConfig 支付配置
* @param payProduct 支付产品
* @param payer 付款人
* @return Payment
* @throws PayException
*/
public Payment ready(Order order, PayConfig payConfig, PayProduct payProduct, String payer)
throws PayException {
// 在线支付
if (PayConfig.PayConfigType.online != payConfig.getPayConfigType()) {
throw new PayException("暂时只支持在线支付");
}
// 支付配置类型（线下支付、在线支付）
Payment.PaymentType paymentType = Payment.PaymentType.online;
BigDecimal paymentFee = BigDecimal.ZERO; // 支付手续费
BigDecimal amountPayable = order.getPayableFee(); // 应付金额（含支付手续费）
Payment payment =
this.paymentDao.findUnique(
Restrictions.eq("payConfig.id", payConfig.getId()),
Restrictions.eq("orderType", order.getType()),
Restrictions.eq("orderSn", order.getSN()),
Restrictions.eq("paymentStatus", Payment.PaymentStatus.ready));
if (payment != null) {
// 如果存在未完成的支付信息
if (amountPayable.compareTo(payment.getTotalAmount().subtract(payment.getPaymentFee()))
== 0) {
return payment;
} else {
this.invalid(payment.getSn());
}
}
payment = new Payment();
// 在线支付
String bankName = payProduct.getName();
String bankAccount = payConfig.getBargainorId();
payment.setPaymentType(paymentType);
payment.setPaymentConfigName(payConfig.getName());
payment.setBankName(bankName);
payment.setBankAccount(bankAccount);
payment.setTotalAmount(amountPayable.add(paymentFee));
payment.setPaymentFee(paymentFee);
payment.setPayer(payer);
payment.setMemo(null);
payment.setPaymentStatus(Payment.PaymentStatus.ready);
payment.setPayConfig(payConfig);
payment.setOrderType(order.getType());
payment.setOrderSn(order.getSN());
return this.paymentDao.save(payment);
}