优惠券使用

ruoyi-mall/src/main/java/com/cyl/h5/domain/form/OrderSubmitForm.java

@@ -16,6 +16,7 @@ public class OrderSubmitForm {
     private Integer payType = 2;
     /** 订单来源，购物车则为cart */
     private String from;
+    private Long memberCouponId;
     @NotEmpty
     private List<OrderProductListDTO> skuList;
     @Data

ruoyi-mall/src/main/java/com/cyl/h5/domain/vo/H5OrderVO.java

@@ -30,6 +30,8 @@ public class H5OrderVO {
     @ApiModelProperty("应付金额")
     private BigDecimal payAmount;
 
+    private BigDecimal couponAmount;
+
     @ApiModelProperty("订单状态 0->待付款；1->待发货；2->已发货；3->已完成；4->已关闭")
     private Integer status;
 

ruoyi-mall/src/main/java/com/cyl/h5/domain/vo/OrderCalcVO.java

@@ -1,5 +1,6 @@
 package com.cyl.h5.domain.vo;
 
+import com.cyl.manager.act.domain.entity.MemberCoupon;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
@@ -16,4 +17,5 @@ public class OrderCalcVO {
     private BigDecimal productTotalAmount;
     @ApiModelProperty("订单总金额")
     private BigDecimal orderTotalAmount;
+    private List<MemberCoupon> couponList;
 }

ruoyi-mall/src/main/java/com/cyl/h5/service/H5OrderService.java

@@ -17,7 +17,10 @@ import com.cyl.h5.domain.form.OrderPayForm;
 import com.cyl.h5.domain.vo.OrderPayVO;
 import com.cyl.h5.domain.vo.*;
 import com.cyl.h5.domain.form.OrderSubmitForm;
+import com.cyl.manager.act.domain.entity.MemberCoupon;
+import com.cyl.manager.act.mapper.MemberCouponMapper;
 import com.cyl.manager.act.service.IntegralHistoryService;
+import com.cyl.manager.act.service.MemberCouponService;
 import com.cyl.manager.oms.convert.AftersaleItemConvert;
 import com.cyl.manager.oms.convert.OrderItemConvert;
 import com.cyl.manager.oms.mapper.*;
@@ -54,8 +57,10 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.PageImpl;
 import org.springframework.data.domain.Pageable;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.parameters.P;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
 
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
@@ -124,6 +129,9 @@ public class H5OrderService {
     @Autowired
     private IntegralHistoryService integralHistoryService;
 
+    @Autowired
+    private MemberCouponService memberCouponService;
+
     @Transactional
     public Long submit(OrderSubmitForm form) {
         Member member = (Member) LocalDataUtil.getVar(Constants.MEMBER_INFO);
@@ -147,6 +155,35 @@ public class H5OrderService {
         Map<Long, Sku> querySkuMap = skuMapper
                 .selectBatchIds(skuList.stream().map(OrderProductListDTO::getSkuId).collect(Collectors.toList()))
                 .stream().collect(Collectors.toMap(Sku::getId, it -> it));
+        //校验优惠券
+        BigDecimal couponAmount = BigDecimal.ZERO;
+        if (form.getMemberCouponId() != null) {
+            MemberCoupon coupon = memberCouponService.selectValidCoupon(form.getMemberCouponId());
+            if (coupon == null) {
+                throw new RuntimeException("优惠券未找到");
+            }
+            //将sku转换成products
+            Map<Long, Product> products = new HashMap<>();
+            querySkuMap.forEach((k, v) -> {
+                Integer count = skuQuantityMap.get(k);
+                Long productId = v.getProductId();
+                Product product;
+                BigDecimal amount = v.getPrice().multiply(BigDecimal.valueOf(count));
+                if (products.containsKey(k)) {
+                    product = products.get(k);
+                    product.setPrice(amount.add(product.getPrice()));
+                } else {
+                    product = new Product();
+                    product.setId(productId);
+                    product.setPrice(amount);
+                }
+                products.put(k, product);
+            });
+            if (!memberCouponService.judgeCouponCanUse(coupon, products.values())) {
+                throw new RuntimeException("优惠券未达到使用条件");
+            }
+            couponAmount = coupon.getCouponAmount();
+        }
         //计算商品总额、订单总额（订单总金额=商品总金额，因为暂时没有运费等概念）
         BigDecimal productTotalAmount = BigDecimal.ZERO;
         BigDecimal orderTotalAmount = BigDecimal.ZERO;
@@ -184,11 +221,18 @@ public class H5OrderService {
         order.setMemberId(member.getId());
         order.setMemberUsername(member.getNickname());
         order.setPayType(Constants.PayType.WECHAT);
+        order.setCouponAmount(couponAmount);
+        order.setMemberCouponId(form.getMemberCouponId());
         order.setTotalAmount(orderTotalAmount);
         order.setPurchasePrice(BigDecimal.ZERO);
         order.setFreightAmount(BigDecimal.ZERO);
-        order.setPayAmount(orderTotalAmount);
+        BigDecimal subtract = orderTotalAmount.subtract(couponAmount);
+        order.setPayAmount(subtract.compareTo(BigDecimal.ZERO) > 0 ? subtract : BigDecimal.ZERO);
+        if (order.getPayAmount().compareTo(BigDecimal.ZERO) == 0) {
+            order.setStatus(Constants.OrderStatus.SEND);
+        } else {
             order.setStatus(Constants.OrderStatus.NOTPAID);
+        }
         order.setAftersaleStatus(1);
         order.setReceiverName(memberAddress.getName());
         order.setReceiverPhone(memberAddress.getPhoneHidden());
@@ -241,6 +285,10 @@ public class H5OrderService {
             }
         }
         //当前订单id，接入支付后可返回payId
+        //如果是使用了优惠券，更新优惠券状态
+        if (form.getMemberCouponId() != null) {
+            memberCouponService.updateCouponStatus(form.getMemberCouponId(), orderId);
+        }
         return payId;
     }
 
@@ -294,6 +342,24 @@ public class H5OrderService {
         res.setSkuList(skuList);
         res.setOrderTotalAmount(orderTotalAmount);
         res.setProductTotalAmount(productTotalAmount);
+        //获取能使用的优惠券列表
+        Map<Long, Product> products = new HashMap<>();
+        querySkuMap.forEach((k, v) -> {
+            Integer count = quantityMap.get(k);
+            Long productId = v.getProductId();
+            Product product;
+            BigDecimal amount = v.getPrice().multiply(BigDecimal.valueOf(count));
+            if (products.containsKey(k)) {
+                product = products.get(k);
+                product.setPrice(amount.add(product.getPrice()));
+            } else {
+                product = new Product();
+                product.setId(productId);
+                product.setPrice(amount);
+            }
+            products.put(k, product);
+        });
+        res.setCouponList(memberCouponService.getCanUseList(products.values()));
         return res;
     }
 
@@ -305,6 +371,7 @@ public class H5OrderService {
 
     /**
      * h5订单分页查询
+     *
      * @param status   订单状态 -1->全部；0->待付款；1->待发货；2->待收货；-2->售后单
      * @param memberId 会员id
      * @param pageable 分页
@@ -391,6 +458,7 @@ public class H5OrderService {
             orderOperateHistoryMapper.insert(optHistory);
         });
     }
+
     @Transactional
     public String orderComplete(Long orderId) {
         LocalDateTime optDate = LocalDateTime.now();
@@ -427,6 +495,7 @@ public class H5OrderService {
 
     /**
      * 统计待付款、待发货、待收货和售后订单数量
+     *
      * @param memberId
      * @return
      */
@@ -490,11 +559,17 @@ public class H5OrderService {
         if (!flag) {
             throw new RuntimeException("创建订单操作记录失败");
         }
+        //判断是否使用优惠券，有的话，把优惠券还回去
+        List<Long> couponIdList = orderList.stream().filter(it -> it.getMemberCouponId() != null).map(Order::getMemberCouponId).collect(Collectors.toList());
+        if (!CollectionUtils.isEmpty(couponIdList)) {
+            memberCouponService.backCoupon(couponIdList);
+        }
         return "取消订单成功";
     }
 
     /**
      * 订单支付
+     *
      * @param req 支付请求
      * @return
      */
@@ -582,6 +657,7 @@ public class H5OrderService {
 
     /**
      * 支付回调方法
+     *
      * @param messageDTO
      * @return
      */
@@ -648,6 +724,7 @@ public class H5OrderService {
 
     /**
      * 申请售后
+     *
      * @param applyRefundForm
      * @return
      */
@@ -730,6 +807,7 @@ public class H5OrderService {
 
     /**
      * check是否能售后 可售后的状态为：待发货、待收货、已完成
+     *
      * @param order 订单
      */
     private void checkIfCanApplyRefund(Order order) {
@@ -754,6 +832,7 @@ public class H5OrderService {
 
     /**
      * 取消售后
+     *
      * @param orderId 订单id
      * @return
      */
@@ -801,6 +880,7 @@ public class H5OrderService {
 
     /**
      * 售后订单详情
+     *
      * @param orderId 订单id
      * @return
      */

ruoyi-mall/src/main/java/com/cyl/manager/act/controller/H5CouponController.java

@@ -16,6 +16,8 @@ import org.springframework.data.domain.Pageable;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 @Api(description = "优惠券接口列表")
 @RestController
 @RequestMapping("/h5/coupon")
@@ -67,4 +69,16 @@ public class H5CouponController {
         return ResponseEntity.ok(memberCouponService.selectListByH5(query, page));
     }
 
+
+    /**
+     * 根据购买的商品筛选可用优惠券
+     *
+     * @param query
+     * @return
+     */
+    @PostMapping("/can/use/list")
+    public ResponseEntity<List<MemberCoupon>> getCanUseList(@RequestBody MemberCouponQuery query) {
+        return ResponseEntity.ok(memberCouponService.getCanUseList(query.getProducts()));
+    }
+
 }

ruoyi-mall/src/main/java/com/cyl/manager/act/domain/query/MemberCouponQuery.java

@@ -2,6 +2,9 @@ package com.cyl.manager.act.domain.query;
 
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
+import java.util.List;
+
+import com.cyl.manager.pms.domain.entity.Product;
 import lombok.Data;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
@@ -26,5 +29,7 @@ public class MemberCouponQuery {
     //1已领取 2已使用 3已过期
     private Integer type;
 
+    private List<Product> products;
+
 
 }

ruoyi-mall/src/main/java/com/cyl/manager/act/service/MemberCouponService.java

@@ -1,30 +1,28 @@
 package com.cyl.manager.act.service;
 
-import java.math.BigDecimal;
-import java.time.LocalDateTime;
-import java.util.*;
-import java.util.stream.Collectors;
-
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
-import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import com.cyl.h5.config.SecurityUtil;
+import com.cyl.manager.act.domain.entity.MemberCoupon;
+import com.cyl.manager.act.domain.query.MemberCouponQuery;
 import com.cyl.manager.act.domain.vo.MemberCouponVO;
+import com.cyl.manager.act.mapper.MemberCouponMapper;
+import com.cyl.manager.pms.domain.entity.Product;
 import com.cyl.manager.ums.domain.entity.Member;
 import com.cyl.manager.ums.mapper.MemberMapper;
 import com.github.pagehelper.PageHelper;
-import com.google.gson.JsonObject;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageImpl;
 import org.springframework.data.domain.Pageable;
-import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
-import com.cyl.manager.act.mapper.MemberCouponMapper;
+import org.springframework.util.CollectionUtils;
-import com.cyl.manager.act.domain.entity.MemberCoupon;
+
-import com.cyl.manager.act.domain.query.MemberCouponQuery;
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * 用户领券记录Service业务层处理
@@ -48,6 +46,24 @@ public class MemberCouponService {
         return memberCouponMapper.selectById(id);
     }
 
+    public MemberCoupon selectValidCoupon(Long id) {
+        MemberCoupon coupon = memberCouponMapper.selectById(id);
+        if (coupon == null) {
+            return null;
+        }
+        if (Objects.equals(coupon.getUseStatus(), 1)) {
+            throw new RuntimeException("优惠券已使用");
+        }
+        LocalDateTime now = LocalDateTime.now();
+        if (coupon.getBeginTime().isAfter(now)) {
+            throw new RuntimeException("优惠券未到开始使用日期");
+        }
+        if (coupon.getEndTime().isBefore(now)) {
+            throw new RuntimeException("优惠券已过期");
+        }
+        return coupon;
+    }
+
     /**
      * 查询用户领券记录列表
      *
@@ -157,4 +173,85 @@ public class MemberCouponService {
         return new PageImpl<>(list, page, ((com.github.pagehelper.Page) list).getTotal());
     }
 
+    public List<MemberCoupon> getCanUseList(Collection<Product> products) {
+        //先获取我的未过期的优惠券
+        QueryWrapper<MemberCoupon> queryWrapper = new QueryWrapper<>();
+        LocalDateTime now = LocalDateTime.now();
+        queryWrapper.eq("member_id", SecurityUtil.getLocalMember().getId())
+                .eq("use_status", 0)
+                .ge("end_time", now)
+                .le("begin_time", now);
+        List<MemberCoupon> list = memberCouponMapper.selectList(queryWrapper);
+        if (CollectionUtils.isEmpty(list)) {
+            return list;
+        }
+        List<MemberCoupon> matchList = new ArrayList<>();
+        list.forEach(item -> {
+            if (judgeCouponCanUse(item, products)) {
+                matchList.add(item);
+            }
+        });
+        return matchList;
+    }
+
+    public Boolean judgeCouponCanUse(MemberCoupon item, Collection<Product> products) {
+        //判断是否满足菜品
+        if (!Objects.equals(1, item.getUseScope())) {
+            List<Long> couponProducts = Arrays.stream(item.getProductIds().split(",")).map(it -> Long.parseLong(it)).collect(Collectors.toList());
+            if (Objects.equals(2, item.getUseScope()) && products.stream().noneMatch(it -> couponProducts.contains(it.getId()))) {
+                //指定商品
+                return false;
+            }
+            if (Objects.equals(3, item.getUseScope()) && products.stream().anyMatch(it -> couponProducts.contains(it.getId()))) {
+                //指定商品不包括
+                return false;
+            }
+        }
+        //计算金额是否满足
+        if (item.getMinAmount() == null || item.getMinAmount().equals(BigDecimal.ZERO)) {
+            //无门槛
+            return true;
+        }
+        if (item.getMinAmount().compareTo(calcMinAmount(products, item)) <= 0) {
+            return true;
+        }
+        return false;
+    }
+
+    private BigDecimal calcMinAmount(Collection<Product> products, MemberCoupon coupon) {
+        List<Long> ids;
+        if (!Objects.equals(1, coupon.getUseScope())) {
+            ids = Arrays.stream(coupon.getProductIds().split(",")).map(it -> Long.parseLong(it)).collect(Collectors.toList());
+        } else {
+            ids = new ArrayList<>();
+        }
+        switch (coupon.getUseScope()) {
+            case 1:
+                return products.stream().map(Product::getPrice).reduce(BigDecimal::add).get();
+            case 2:
+                return products.stream().filter(it -> ids.contains(it.getId())).map(Product::getPrice).reduce(BigDecimal::add).get();
+            case 3:
+                return products.stream().filter(it -> !ids.contains(it.getId())).map(Product::getPrice).reduce(BigDecimal::add).get();
+            default:
+                return BigDecimal.ZERO;
+        }
+    }
+
+    public void updateCouponStatus(Long memberCouponId, Long orderId) {
+        UpdateWrapper<MemberCoupon> updateWrapper = new UpdateWrapper<>();
+        updateWrapper.eq("id", memberCouponId)
+                .set("use_status", 1)
+                .set("use_time", LocalDateTime.now())
+                .set("order_id", orderId);
+        memberCouponMapper.update(null, updateWrapper);
+    }
+
+    public void backCoupon(List<Long> couponIdList) {
+        UpdateWrapper<MemberCoupon> updateWrapper = new UpdateWrapper<>();
+        updateWrapper.in("id", couponIdList)
+                .set("use_status", 0)
+                .set("use_time", null)
+                .set("order_id", null);
+        memberCouponMapper.update(null, updateWrapper);
+    }
 }

ruoyi-mall/src/main/java/com/cyl/manager/oms/domain/entity/Order.java

@@ -153,4 +153,10 @@ public class Order extends BaseAudit {
     @Excel(name = "确认收货时间", width = 30, dateFormat = "yyyy-MM-dd HH:mm:ss")
     private LocalDateTime receiveTime;
 
+    @ApiModelProperty("优惠券ID")
+    private Long memberCouponId;
+
+    @ApiModelProperty("优惠券金额")
+    private BigDecimal couponAmount;
+
 }

ruoyi-mall/src/main/java/com/cyl/manager/oms/domain/vo/ManagerOrderDetailVO.java

@@ -43,4 +43,5 @@ public class ManagerOrderDetailVO {
     private BigDecimal payAmount;
     @ApiModelProperty("订单金额")
     private BigDecimal totalAmount;
+    private BigDecimal couponAmount;
 }

ruoyi-mall/src/main/java/com/cyl/manager/oms/domain/vo/ManagerOrderVO.java

@@ -99,4 +99,6 @@ public class ManagerOrderVO {
     private String receiverDetailAddress;
 
     private String mark;
+
+    private BigDecimal couponAmount;
 }

ruoyi-mall/src/main/java/com/cyl/manager/oms/service/OrderService.java

@@ -95,6 +95,7 @@ public class OrderService {
         ManagerOrderDetailVO managerOrderDetailVO = new ManagerOrderDetailVO();
         //封装订单信息
         managerOrderDetailVO.setOrderId(id);
+        managerOrderDetailVO.setCouponAmount(order.getCouponAmount());
         managerOrderDetailVO.setOrderSn(order.getOrderSn());
         managerOrderDetailVO.setOrderStatus(order.getStatus());
         managerOrderDetailVO.setCreateTime(order.getCreateTime());

ruoyi-mall/src/main/resources/mapper/oms/OrderMapper.xml

@@ -109,6 +109,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         a.receiver_name    receiverName,
         a.receiver_phone    receiverPhone,
         a.receiver_province    receiverProvince,
+        a.coupon_amount   couponAmount,
         a.receiver_city    receiverCity,
         a.receiver_district    receiverDistrict,
         a.receiver_detail_address    receiverDetailAddress,
@@ -168,6 +169,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         aftersale_status,
         note,
         delivery_sn,
+        coupon_amount,
         create_time,
         payment_time,
         receiver_name,
@@ -200,6 +202,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         member_id,
         total_amount,
         pay_amount,
+        coupon_amount,
         status,
         aftersale_status,
         note,

sql/database-20240322.sql

@@ -41,3 +41,8 @@ CREATE TABLE `act_member_coupon`
     `create_time`        datetime(3) DEFAULT NULL COMMENT '创建时间',
     PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='用户领券记录';
+
+
+ALTER TABLE `oms_order`
+    ADD COLUMN `member_coupon_id` bigint(20) NULL COMMENT '使用的优惠券id' AFTER `receiver_phone_encrypted`,
+ADD COLUMN `coupon_amount` decimal(10, 2) NULL COMMENT '优惠券金额' AFTER `member_coupon_id`;