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新增优惠券使用

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This commit is contained in:
b2894lxlx
2025-08-11 20:36:19 +08:00
parent 02cf28ca13
commit cfc0b3ff38
4 changed files with 53 additions and 10 deletions
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2
src/main/java/com/gxwebsoft/shop/entity/ShopUserCoupon.java
View File

@@ -79,7 +79,7 @@ public class ShopUserCoupon implements Serializable {
private LocalDateTime useTime;
@Schema(description = "使用订单ID")
private Long orderId;
private Integer orderId;
@Schema(description = "是否已使用")
private Integer isUse;

44
src/main/java/com/gxwebsoft/shop/service/OrderBusinessService.java
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@@ -14,6 +14,7 @@ import org.springframework.util.CollectionUtils;
import javax.annotation.Resource;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
@@ -46,6 +47,8 @@ public class OrderBusinessService {
@Resource
private ShopUserAddressService shopUserAddressService;
@Resource
private ShopUserCouponService shopUserCouponService;
/**
* 创建订单
@@ -104,7 +107,7 @@ public class OrderBusinessService {
// 检查前端传入的总金额是否正确（允许小的误差，比如0.01）
if (request.getTotalPrice() != null &&
request.getTotalPrice().subtract(calculatedTotal).abs().compareTo(new BigDecimal("0.01")) > 0) {
request.getTotalPrice().subtract(calculatedTotal).abs().compareTo(new BigDecimal("0.01")) > 0) {
log.warn("订单金额计算不一致，前端传入：{}，后台计算：{}", request.getTotalPrice(), calculatedTotal);
throw new BusinessException("订单金额计算错误，请刷新重试");
}
@@ -126,7 +129,7 @@ public class OrderBusinessService {
*/
private BigDecimal validateAndCalculateTotal(OrderCreateRequest request) {
if (CollectionUtils.isEmpty(request.getGoodsItems())) {
throw new BusinessException("订单商品列表不能为空");
throw new BusinessException("订单商品列表不能为空");
}
BigDecimal total = BigDecimal.ZERO;
@@ -193,7 +196,7 @@ public class OrderBusinessService {
// 验证购买数量限制（使用商品级别的限制）
if (goods.getCanBuyNumber() != null && goods.getCanBuyNumber() > 0 &&
item.getQuantity() > goods.getCanBuyNumber()) {
item.getQuantity() > goods.getCanBuyNumber()) {
throw new BusinessException("商品购买数量超过限制：" + productName + "，最大购买数量：" + goods.getCanBuyNumber());
}
@@ -202,7 +205,7 @@ public class OrderBusinessService {
total = total.add(itemTotal);
log.debug("商品验证通过 - ID：{}，SKU ID：{}，名称：{}，单价：{}，数量：{}，小计：{}",
goods.getGoodsId(), item.getSkuId(), productName, actualPrice, item.getQuantity(), itemTotal);
goods.getGoodsId(), item.getSkuId(), productName, actualPrice, item.getQuantity(), itemTotal);
}
log.info("订单商品验证完成，总金额：{}", total);
@@ -274,6 +277,29 @@ public class OrderBusinessService {
shopOrder.setPayType(1); // 默认微信支付
}
// 优惠券
if (shopOrder.getCouponId() != null && shopOrder.getCouponId() > 0) {
ShopUserCoupon coupon = shopUserCouponService.getById(shopOrder.getCouponId());
if (coupon != null) {
BigDecimal reducePrice = BigDecimal.ZERO;
boolean doReduce = true;
if (coupon.getType().equals(10)) {
reducePrice = coupon.getReducePrice();
if (shopOrder.getTotalPrice().compareTo(coupon.getMinPrice()) < 0) doReduce = false;
} else if (coupon.getType().equals(20)) {
reducePrice = shopOrder.getTotalPrice()
.multiply(BigDecimal.valueOf(coupon.getDiscount()).divide(new BigDecimal(100), RoundingMode.HALF_UP));
} else if (coupon.getType().equals(30)) {
reducePrice = shopOrder.getTotalPrice();
}
if (doReduce) {
shopOrder.setReducePrice(shopOrder.getReducePrice().add(reducePrice));
shopOrder.setPayPrice(shopOrder.getPayPrice().subtract(reducePrice));
}
// todo 商品/分类限制
}
}
return shopOrder;
}
@@ -334,7 +360,7 @@ public class OrderBusinessService {
*/
private boolean isAddressInfoComplete(OrderCreateRequest request) {
return request.getAddress() != null && !request.getAddress().trim().isEmpty() &&
request.getRealName() != null && !request.getRealName().trim().isEmpty();
request.getRealName() != null && !request.getRealName().trim().isEmpty();
}
/**
@@ -375,7 +401,7 @@ public class OrderBusinessService {
}
log.debug("地址信息快照创建完成 - 地址ID：{}，收货人：{}，地址：{}",
userAddress.getId(), userAddress.getName(), shopOrder.getAddress());
userAddress.getId(), userAddress.getName(), shopOrder.getAddress());
}
/**
@@ -511,7 +537,7 @@ public class OrderBusinessService {
orderGoodsList.add(orderGoods);
log.debug("准备保存订单商品 - 商品ID：{}，名称：{}，单价：{}，数量：{}，小计：{}",
goods.getGoodsId(), goods.getName(), goods.getPrice(), item.getQuantity(), itemTotal);
goods.getGoodsId(), goods.getName(), goods.getPrice(), item.getQuantity(), itemTotal);
}
// 批量保存订单商品
@@ -542,7 +568,7 @@ public class OrderBusinessService {
sku.setStock(newStock);
shopGoodsSkuService.updateById(sku);
log.debug("扣减SKU库存 - SKU ID：{}，扣减数量：{}，剩余库存：{}",
item.getSkuId(), item.getQuantity(), newStock);
item.getSkuId(), item.getQuantity(), newStock);
}
} else {
// 单规格商品，扣减商品库存
@@ -555,7 +581,7 @@ public class OrderBusinessService {
goods.setStock(newStock);
shopGoodsService.updateById(goods);
log.debug("扣减商品库存 - 商品ID：{}，扣减数量：{}，剩余库存：{}",
item.getGoodsId(), item.getQuantity(), newStock);
item.getGoodsId(), item.getQuantity(), newStock);
}
}
}

15
src/main/java/com/gxwebsoft/shop/service/impl/ShopOrderServiceImpl.java
View File

@@ -34,6 +34,7 @@ import org.springframework.util.CollectionUtils;
import javax.annotation.Resource;
import java.math.BigDecimal;
import java.sql.Date;
import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.Collectors;
@@ -74,6 +75,8 @@ public class ShopOrderServiceImpl extends ServiceImpl<ShopOrderMapper, ShopOrder
private WechatPayCertificateDiagnostic certificateDiagnostic;
@Resource
private ShopOrderUpdate10550Service shopOrderUpdate10550Service;
@Resource
private ShopUserCouponService shopUserCouponService;
@Override
@@ -249,6 +252,18 @@ public class ShopOrderServiceImpl extends ServiceImpl<ShopOrderMapper, ShopOrder
@Override
public void updateByOutTradeNo(ShopOrder order) {
baseMapper.updateByOutTradeNo(order);
// 使用优惠券
if (order.getCouponId() != null && order.getCouponId() > 0) {
ShopUserCoupon coupon = shopUserCouponService.getById(order.getCouponId());
if (coupon != null) {
coupon.setStatus(1);
coupon.setIsUse(1);
coupon.setUseTime(LocalDateTime.now());
coupon.setOrderId(order.getOrderId());
coupon.setOrderNo(order.getOrderNo());
shopUserCouponService.updateById(coupon);
}
}
if (order.getTenantId().equals(10550)) {
shopOrderUpdate10550Service.update(order);
}