promotion：增加创建砍价的接口

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/enums/ErrorCodeConstants.java

@@ -88,17 +88,16 @@ public interface ErrorCodeConstants {
     // ========== 砍价活动 1-013-012-000 ==========
     ErrorCode BARGAIN_ACTIVITY_NOT_EXISTS = new ErrorCode(1_013_012_000, "砍价活动不存在");
     ErrorCode BARGAIN_ACTIVITY_SPU_CONFLICTS = new ErrorCode(1_013_012_001, "存在商品参加了其它砍价活动");
-    ErrorCode BARGAIN_ACTIVITY_STATUS_DISABLE = new ErrorCode(1_013_012_002, "砍价活动已关闭不能修改");
+    ErrorCode BARGAIN_ACTIVITY_STATUS_DISABLE = new ErrorCode(1_013_012_002, "砍价活动已关闭，不能修改");
     ErrorCode BARGAIN_ACTIVITY_DELETE_FAIL_STATUS_NOT_CLOSED_OR_END = new ErrorCode(1_013_012_003, "砍价活动未关闭或未结束，不能删除");
-    ErrorCode BARGAIN_ACTIVITY_UPDATE_STOCK_FAIL = new ErrorCode(1_013_012_004, "砍价失败，原因：该砍价活动库存不足");
+    ErrorCode BARGAIN_ACTIVITY_STOCK_NOT_ENOUGH = new ErrorCode(1_013_012_004, "砍价活动库存不足");
+    ErrorCode BARGAIN_ACTIVITY_STATUS_CLOSED = new ErrorCode(1_013_012_005, "砍价活动已关闭");
+    ErrorCode BARGAIN_ACTIVITY_TIME_END = new ErrorCode(1_013_012_006, "砍价活动已经结束");
 
     // ========== 砍价记录 1-013-013-000 ==========
     ErrorCode BARGAIN_RECORD_NOT_EXISTS = new ErrorCode(1_013_013_000, "砍价记录不存在");
-    ErrorCode BARGAIN_RECORD_EXISTS = new ErrorCode(1_013_013_001, "砍价失败，已参与过该砍价");
-    ErrorCode BARGAIN_RECORD_HEAD_NOT_EXISTS = new ErrorCode(1_013_013_002, "砍价失败，父砍价不存在");
-    ErrorCode BARGAIN_RECORD_USER_FULL = new ErrorCode(1_013_013_003, "砍价失败，砍价人数已满");
-    ErrorCode BARGAIN_JOIN_RECORD_NOT_IN_PROGRESS = new ErrorCode(1_013_013_004, "砍价失败，砍价记录不在进行中");
-    ErrorCode BARGAIN_JOIN_FAILED_ACTIVITY_TIME_END = new ErrorCode(1_013_013_005, "砍价失败，活动已经结束");
-    ErrorCode BARGAIN_JOIN_ACTIVITY_STATUS_CLOSED = new ErrorCode(1_013_013_006, "砍价失败，原因：砍价活动已关闭");
+    ErrorCode BARGAIN_RECORD_CREATE_FAIL_EXISTS = new ErrorCode(1_013_013_001, "参与失败，您已经参与当前砍价活动");
+    ErrorCode BARGAIN_RECORD_CREATE_FAIL_LIMIT = new ErrorCode(1_013_013_002, "参与失败，您已达到当前砍价活动的参与上限");
+    ErrorCode BARGAIN_JOIN_RECORD_NOT_SUCCESS = new ErrorCode(1_013_013_004, "下单失败，砍价未成功");
 
 }

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/enums/bargain/BargainRecordStatusEnum.java

@@ -17,7 +17,7 @@ public enum BargainRecordStatusEnum implements IntArrayValuable {
 
     IN_PROGRESS(1, "砍价中"),
     SUCCESS(2, "砍价成功"),
-    FAILED(3, "砍价失败"),
+    FAILED(3, "砍价失败"), // 活动到期时，会自动将到期的砍价全部设置为过期
     ;
 
     public static final int[] ARRAYS = Arrays.stream(values()).mapToInt(BargainRecordStatusEnum::getStatus).toArray();

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/AppBargainRecordController.http

@@ -0,0 +1,9 @@
+### /promotion/bargain-record/create 创建砍价记录
+POST {{appApi}}/promotion/bargain-record/create
+Authorization: Bearer {{appToken}}
+Content-Type: application/json
+tenant-id: {{appTenentId}}
+
+{
+  "activityId": 1
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/AppBargainRecordController.java

@@ -4,19 +4,23 @@ import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils;
+import cn.iocoder.yudao.framework.security.core.annotations.PreAuthenticated;
 import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.record.AppBargainRecordCreateReqVO;
 import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.record.AppBargainRecordDetailRespVO;
 import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.record.AppBargainRecordRespVO;
 import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.record.AppBargainRecordSummaryRespVO;
+import cn.iocoder.yudao.module.promotion.service.bargain.BargainRecordService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import javax.annotation.Resource;
 import java.time.Duration;
 import java.util.ArrayList;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
 
 @Tag(name = "用户 App - 砍价记录")
 @RestController
@@ -24,6 +28,9 @@ import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 @Validated
 public class AppBargainRecordController {
 
+    @Resource
+    private BargainRecordService bargainRecordService;
+
     @GetMapping("/get-summary")
     @Operation(summary = "获得砍价记录的概要信息", description = "用于小程序首页")
     // TODO 芋艿：增加 @Cache 缓存，1 分钟过期
@@ -137,9 +144,11 @@ public class AppBargainRecordController {
     }
 
     @PostMapping("/create")
-    @Operation(summary = "创建砍价记录", description = "参与拼团活动")
+    @Operation(summary = "创建砍价记录", description = "参与砍价活动")
+    @PreAuthenticated
     public CommonResult<Long> createBargainRecord(@RequestBody AppBargainRecordCreateReqVO reqVO) {
-         return success(1L);
+        Long recordId = bargainRecordService.createBargainRecord(getLoginUserId(), reqVO);
+        return success(recordId);
     }
 
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/dataobject/bargain/BargainActivityDO.java

@@ -60,24 +60,29 @@ public class BargainActivityDO extends BaseDO {
      */
     private Long skuId;
     /**
-     * 砍价起始价格，单位分
+     * 砍价起始价格，单位：分
      */
     private Integer bargainFirstPrice;
     /**
      * 砍价底价，单位：分
      */
-    private Integer bargainPrice;
+    private Integer bargainMinPrice;
     /**
      * 砍价活动库存
      */
     private Integer stock;
 
     /**
-     * 达到该人数，才能砍到低价
+     * 砍价人数
+     *
+     * 需要多少人，砍价才能成功，即 {@link BargainRecordDO#getStatus()} 更新为 {@link BargainRecordDO#getStatus()} 成功状态
      */
     private Integer userSize;
     /**
-     * 最大帮砍次数
+     * 帮砍次数
+     *
+     * 单个活动，用户可以帮砍的次数。
+     * 例如说：帮砍次数为 1 时，A 和 B 同时将该活动链接发给 C，C 只能帮其中一个人砍价。
      */
     private Integer bargainCount;
 
@@ -93,6 +98,9 @@ public class BargainActivityDO extends BaseDO {
      * 用户每次砍价的最大金额，单位：分
      */
     private Integer randomMaxPrice;
+
+    // ========== 统计字段 ==========
+
     /**
      * 砍价成功数量
      */

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/dataobject/bargain/BargainRecordDO.java

@@ -29,17 +29,17 @@ public class BargainRecordDO extends BaseDO {
      */
     @TableId
     private Long id;
-
-    /**
-     * 砍价活动编号
-     */
-    private Long activityId;
-
     /**
      * 用户编号
      */
     private Long userId;
 
+    /**
+     * 砍价活动编号
+     *
+     * 关联 {@link BargainActivityDO#getId()} 字段
+     */
+    private Long activityId;
     /**
      * 商品 SPU 编号
      */
@@ -50,17 +50,13 @@ public class BargainRecordDO extends BaseDO {
     private Long skuId;
 
     /**
-     * 砍价底价，单位：分
-     */
-    private Integer bargainPrice;
-    /**
-     * 商品原价，单位：分
+     * 砍价起始价格，单位：分
      */
-    private Integer price;
+    private Integer bargainFirstPrice;
     /**
-     * 应付金额，单位：分
+     * 当前砍价，单位：分
      */
-    private Integer payPrice;
+    private Integer bargainPrice;
 
     /**
      * 砍价状态
@@ -68,22 +64,14 @@ public class BargainRecordDO extends BaseDO {
      * 枚举 {@link BargainRecordStatusEnum}
      */
     private Integer status;
-
-    /**
-     * 订单编号
-     */
-    private Long orderId;
-
     /**
      * 结束时间
      */
     private LocalDateTime endTime;
 
     /**
-     * 过期时间
-     *
-     * 到达该时间时，其他用户无法帮助砍价，但是还是允许下单
+     * 订单编号
      */
-    private LocalDateTime expireTime;
+    private Long orderId;
 
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/bargain/BargainRecordMapper.java

@@ -2,8 +2,11 @@ package cn.iocoder.yudao.module.promotion.dal.mysql.bargain;
 
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainRecordDO;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import org.apache.ibatis.annotations.Mapper;
 
+import java.util.List;
+
 /**
  * 砍价记录 Mapper
  *
@@ -17,4 +20,20 @@ public interface BargainRecordMapper extends BaseMapperX<BargainRecordDO> {
                 BargainRecordDO::getUserId, userId);
     }
 
+    default List<BargainRecordDO> selectListByUserIdAndActivityIdAndStatus(
+            Long userId, Long activityId, Integer status) {
+        return selectList(new LambdaQueryWrapper<>(BargainRecordDO.class)
+                .eq(BargainRecordDO::getUserId, userId)
+                .eq(BargainRecordDO::getActivityId, activityId)
+                .eq(BargainRecordDO::getStatus, status));
+    }
+
+    default Long selectCountByUserIdAndActivityIdAndStatus(
+            Long userId, Long activityId, Integer status) {
+        return selectCount(new LambdaQueryWrapper<>(BargainRecordDO.class)
+                .eq(BargainRecordDO::getUserId, userId)
+                .eq(BargainRecordDO::getActivityId, activityId)
+                .eq(BargainRecordDO::getStatus, status));
+    }
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainActivityService.java

@@ -55,6 +55,14 @@ public interface BargainActivityService {
      */
     BargainActivityDO getBargainActivity(Long id);
 
+    /**
+     * 校验砍价活动，是否可以参与（发起砍价、下单、帮好友砍价）
+     *
+     * @param id 编号
+     * @return 砍价活动
+     */
+    BargainActivityDO validateBargainActivityCanJoin(Long id);
+
     /**
      * 获得砍价活动分页
      *

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainActivityServiceImpl.java

@@ -1,5 +1,6 @@
 package cn.iocoder.yudao.module.promotion.service.bargain;
 
+import cn.hutool.core.util.ObjUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
@@ -82,13 +83,13 @@ public class BargainActivityServiceImpl implements BargainActivityService {
             throw exception(BARGAIN_ACTIVITY_NOT_EXISTS);
         }
         if (count > activity.getStock()) {
-            throw exception(BARGAIN_ACTIVITY_UPDATE_STOCK_FAIL);
+            throw exception(BARGAIN_ACTIVITY_STOCK_NOT_ENOUGH);
         }
 
         // 更新砍价库存
         int updateCount = bargainActivityMapper.updateStock(id, count);
         if (updateCount == 0) {
-            throw exception(BARGAIN_ACTIVITY_UPDATE_STOCK_FAIL);
+            throw exception(BARGAIN_ACTIVITY_STOCK_NOT_ENOUGH);
         }
     }
 
@@ -138,6 +139,21 @@ public class BargainActivityServiceImpl implements BargainActivityService {
         return bargainActivityMapper.selectById(id);
     }
 
+    @Override
+    public BargainActivityDO validateBargainActivityCanJoin(Long id) {
+        BargainActivityDO activity = bargainActivityMapper.selectById(id);
+        if (activity == null) {
+            throw exception(BARGAIN_ACTIVITY_NOT_EXISTS);
+        }
+        if (ObjUtil.notEqual(activity.getStatus(), CommonStatusEnum.ENABLE.getStatus())) {
+            throw exception(BARGAIN_ACTIVITY_STATUS_CLOSED);
+        }
+        if (activity.getStock() <= 0) {
+            throw exception(BARGAIN_ACTIVITY_STOCK_NOT_ENOUGH);
+        }
+        return activity;
+    }
+
     @Override
     public PageResult<BargainActivityDO> getBargainActivityPage(BargainActivityPageReqVO pageReqVO) {
         return bargainActivityMapper.selectPage(pageReqVO);

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainRecordService.java

@@ -2,6 +2,7 @@ package cn.iocoder.yudao.module.promotion.service.bargain;
 
 
 import cn.iocoder.yudao.module.promotion.api.bargain.dto.BargainValidateJoinRespDTO;
+import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.record.AppBargainRecordCreateReqVO;
 
 /**
  * 砍价记录 service 接口
@@ -10,6 +11,15 @@ import cn.iocoder.yudao.module.promotion.api.bargain.dto.BargainValidateJoinResp
  */
 public interface BargainRecordService {
 
+    /**
+     * 【会员】创建砍价记录（参与参加活动）
+     *
+     * @param userId 用户编号
+     * @param reqVO 创建信息
+     * @return 砍价记录编号
+     */
+    Long createBargainRecord(Long userId, AppBargainRecordCreateReqVO reqVO);
+
     /**
      * 【下单前】校验是否参与砍价活动
      * <p>

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainRecordServiceImpl.java

@@ -1,10 +1,10 @@
 package cn.iocoder.yudao.module.promotion.service.bargain;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.util.ObjUtil;
-import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
-import cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils;
 import cn.iocoder.yudao.module.promotion.api.bargain.dto.BargainValidateJoinRespDTO;
+import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.record.AppBargainRecordCreateReqVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainActivityDO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainRecordDO;
 import cn.iocoder.yudao.module.promotion.dal.mysql.bargain.BargainRecordMapper;
@@ -13,7 +13,6 @@ import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
 import javax.annotation.Resource;
-
 import java.util.Objects;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
@@ -34,7 +33,30 @@ public class BargainRecordServiceImpl implements BargainRecordService {
     @Resource
     private BargainRecordMapper bargainRecordMapper;
 
-    // TODO puhui999：create 时，需要校验下限购数量；
+    @Override
+    public Long createBargainRecord(Long userId, AppBargainRecordCreateReqVO reqVO) {
+        // 1. 校验砍价活动
+        BargainActivityDO activity = bargainActivityService.validateBargainActivityCanJoin(reqVO.getActivityId());
+
+        // 2.1 校验当前是否已经有参与中的砍价活动
+        if (CollUtil.isNotEmpty(bargainRecordMapper.selectListByUserIdAndActivityIdAndStatus(
+                userId, reqVO.getActivityId(), BargainRecordStatusEnum.IN_PROGRESS.getStatus()))) {
+            throw exception(BARGAIN_RECORD_CREATE_FAIL_EXISTS);
+        }
+        // 2.2 是否超过参与的上限
+        if (bargainRecordMapper.selectCountByUserIdAndActivityIdAndStatus(
+                userId, reqVO.getActivityId(), BargainRecordStatusEnum.SUCCESS.getStatus()) >= activity.getTotalLimitCount()) {
+            throw exception(BARGAIN_RECORD_CREATE_FAIL_LIMIT);
+        }
+
+        // 3. 创建砍价记录
+        BargainRecordDO record = BargainRecordDO.builder().userId(userId)
+                .activityId(reqVO.getActivityId()).spuId(activity.getSpuId()).skuId(activity.getSkuId())
+                .bargainFirstPrice(activity.getBargainFirstPrice()).bargainPrice(activity.getBargainFirstPrice())
+                .status(BargainRecordStatusEnum.IN_PROGRESS.getStatus()).build();
+        bargainRecordMapper.insert(record);
+        return record.getId();
+    }
 
     @Override
     public BargainValidateJoinRespDTO validateJoinBargain(Long userId, Long bargainRecordId, Long skuId) {
@@ -45,28 +67,14 @@ public class BargainRecordServiceImpl implements BargainRecordService {
         }
         // 1.2 拼团记录未在进行中
         if (ObjUtil.notEqual(record.getStatus(), BargainRecordStatusEnum.IN_PROGRESS)) {
-            throw exception(BARGAIN_JOIN_RECORD_NOT_IN_PROGRESS);
+            throw exception(BARGAIN_JOIN_RECORD_NOT_SUCCESS);
         }
 
-        // 2.1 砍价活动不存在
-        BargainActivityDO activity = bargainActivityService.getBargainActivity(record.getActivityId());
-        if (activity == null) {
-            throw exception(BARGAIN_ACTIVITY_NOT_EXISTS);
-        }
-        if (ObjUtil.notEqual(activity.getStatus(), CommonStatusEnum.ENABLE.getStatus())) {
-            throw exception(BARGAIN_JOIN_ACTIVITY_STATUS_CLOSED);
-        }
+        // 2. 校验砍价活动
+        BargainActivityDO activity = bargainActivityService.validateBargainActivityCanJoin(record.getActivityId());
         Assert.isTrue(Objects.equals(skuId, activity.getSkuId()), "砍价商品不匹配"); // 防御性校验
-        // 2.2 活动已过期
-        if (LocalDateTimeUtils.isBetween(activity.getStartTime(), activity.getEndTime())) {
-            throw exception(BARGAIN_JOIN_FAILED_ACTIVITY_TIME_END);
-        }
-        // 2.3 库存不足
-        if (activity.getStock() <= 0) {
-            throw exception(BARGAIN_ACTIVITY_UPDATE_STOCK_FAIL);
-        }
         return new BargainValidateJoinRespDTO().setActivityId(activity.getId()).setName(activity.getName())
-                .setBargainPrice(record.getPayPrice());
+                .setBargainPrice(record.getBargainPrice());
     }
 
 }