增加优惠券和余额计算

share-system/src/main/java/share/system/service/impl/SOrderServiceImpl.java

@@ -1960,6 +1960,32 @@ public class SOrderServiceImpl extends ServiceImpl<SOrderMapper, SOrder> impleme
                 priceResponse.setTotalFee(payPrice);
                 SConsumerCoupon consumerCoupon = consumerCouponService.getById(request.getCouponId());
                 computedCouponPrice(request, priceResponse, user, consumerCoupon);
+                priceResponse.setDuration(new BigDecimal(0));
+                priceResponse.setRemainingDuration(new BigDecimal(0));
+                if (priceResponse.getPayFee().compareTo(new BigDecimal(0)) > 0) {
+                    if (consumerWallet.getBalance().compareTo(priceResponse.getPayFee()) >= 0) {
+                        priceResponse.setBalance(priceResponse.getPayFee());
+                        priceResponse.setRemainingBalance(consumerWallet.getBalance().subtract(priceResponse.getPayFee()));
+                        totalFee = new BigDecimal(0);
+                    } else if (consumerWallet.getBalance().compareTo(priceResponse.getPayFee()) < 0) {
+                        priceResponse.setBalance(consumerWallet.getBalance());
+                        totalFee = priceResponse.getPayFee().subtract(consumerWallet.getBalance());
+                    }
+
+                    priceResponse.setPayFee(totalFee);
+                    if (ObjectUtil.isNotEmpty(consumerMember)) {
+                        MemberConfig memberConfig = memberConfigService.getOne(new LambdaQueryWrapper<MemberConfig>().eq(MemberConfig::getId, consumerMember.getMemberConfigId()));
+                        //总金额乘以折扣比例除以100
+                        priceResponse.setPayFee(priceResponse.getPayFee().multiply(memberConfig.getDiscountRatio()).divide(new BigDecimal(100)));
+                        priceResponse.setDiscountFee(priceResponse.getTotalFee().subtract(priceResponse.getPayFee()));
+                        priceResponse.setCouponFee(priceResponse.getDiscountFee());
+                        if (ObjectUtil.isNotEmpty(priceResponse.getDiscountFee()) && priceResponse.getTotalFee().compareTo(new BigDecimal(0.00)) > 0) {
+                            priceResponse.setDiscountRatio(priceResponse.getDiscountFee().divide(priceResponse.getTotalFee(), 2, RoundingMode.HALF_UP).multiply(new BigDecimal(100)));
+                        } else {
+                            priceResponse.setDiscountRatio(new BigDecimal(0));
+                        }
+                    }
+                }
             }
         }
         return priceResponse;