trade：砍价记录的详情 50%

YunaiV
1 parent aec8e853
Showing 15 changed files with 236 additions and 44 deletions
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/AppBargainActivityController.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/AppBargainHelpController.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/AppBargainRecordController.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/vo/activity/AppBargainActivityDetailRespVO.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/vo/help/AppBargainHelpRespVO.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/vo/record/AppBargainRecordDetailRespVO.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/bargain/BargainActivityConvert.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/bargain/BargainHelpConvert.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/bargain/BargainRecordConvert.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/bargain/BargainHelpMapper.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/bargain/BargainRecordMapper.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainHelpService.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainHelpServiceImpl.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainRecordService.java
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainRecordServiceImpl.java
@@ -10,7 +10,9 @@ import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.activity.AppB
 import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.activity.AppBargainActivityRespVO;
 import cn.iocoder.yudao.module.promotion.convert.bargain.BargainActivityConvert;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainActivityDO;
+import cn.iocoder.yudao.module.promotion.enums.bargain.BargainRecordStatusEnum;
 import cn.iocoder.yudao.module.promotion.service.bargain.BargainActivityService;
+import cn.iocoder.yudao.module.promotion.service.bargain.BargainRecordService;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import io.swagger.v3.oas.annotations.Operation;
@@ -53,6 +55,9 @@ public class AppBargainActivityController {
     @Resource
     private BargainActivityService bargainActivityService;
     @Resource
+    private BargainRecordService bargainRecordService;
+
+    @Resource
     private ProductSpuApi spuApi;
     @GetMapping("/list")
@@ -94,8 +99,9 @@ public class AppBargainActivityController {
             return success(null);
         }
         // 拼接数据
+        Integer successUserCount = bargainRecordService.getBargainRecordUserCount(id, BargainRecordStatusEnum.SUCCESS.getStatus());
         ProductSpuRespDTO spu = spuApi.getSpu(activity.getSpuId());
-        return success(BargainActivityConvert.INSTANCE.convert(activity, spu));
+        return success(BargainActivityConvert.INSTANCE.convert(activity, successUserCount, spu));
     }
 }
 package cn.iocoder.yudao.module.promotion.controller.app.bargain;
+import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.module.member.api.user.MemberUserApi;
+import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
 import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.help.AppBargainHelpCreateReqVO;
 import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.help.AppBargainHelpRespVO;
+import cn.iocoder.yudao.module.promotion.convert.bargain.BargainHelpConvert;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainHelpDO;
 import cn.iocoder.yudao.module.promotion.service.bargain.BargainHelpService;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
 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.LocalDateTime;
-import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
 import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
 @Tag(name = "用户 App - 砍价助力")
@@ -27,6 +33,9 @@ public class AppBargainHelpController {
     @Resource
     private BargainHelpService bargainHelpService;
+    @Resource
+    private MemberUserApi memberUserApi;
+
     @PostMapping("/create")
     @Operation(summary = "创建砍价助力", description = "给拼团记录砍一刀") // 返回结果为砍价金额，单位：分
     public CommonResult<Integer> createBargainHelp(@RequestBody AppBargainHelpCreateReqVO reqVO) {
@@ -36,18 +45,18 @@ public class AppBargainHelpController {
     @GetMapping("/list")
     @Operation(summary = "获得砍价助力列表")
-    // TODO 芋艿：swagger
+    @Parameter(name = "recordId", description = "砍价记录编号", required = true, example = "111")
     public CommonResult<List<AppBargainHelpRespVO>> getBargainHelpList(@RequestParam("recordId") Long recordId) {
-        List<AppBargainHelpRespVO> list = new ArrayList<>();
-        for (int i = 0; i < 10; i++) {
-            AppBargainHelpRespVO vo = new AppBargainHelpRespVO();
-            vo.setNickname("用户" + i);
-            vo.setAvatar("https://www.iocoder.cn/avatar/" + i + ".jpg");
-            vo.setReducePrice((i + 1) * 100);
-            vo.setCreateTime(LocalDateTime.now());
-            list.add(vo);
+        List<BargainHelpDO> helps = bargainHelpService.getBargainHelpListByRecordId(recordId);
+        if (CollUtil.isEmpty(helps)) {
+            return success(Collections.emptyList());
         }
-        return success(list);
+        helps.sort((o1, o2) -> o2.getCreateTime().compareTo(o1.getCreateTime())); // 倒序展示
+
+        // 拼接数据
+        Map<Long, MemberUserRespDTO> userMap = memberUserApi.getUserMap(
+                convertSet(helps, BargainHelpDO::getUserId));
+        return success(BargainHelpConvert.INSTANCE.convertList(helps, userMap));
     }
 }
 package cn.iocoder.yudao.module.promotion.controller.app.bargain;
 import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.lang.Assert;
 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.member.api.user.MemberUserApi;
 import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
@@ -19,16 +19,18 @@ import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainActivityD
 import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainRecordDO;
 import cn.iocoder.yudao.module.promotion.enums.bargain.BargainRecordStatusEnum;
 import cn.iocoder.yudao.module.promotion.service.bargain.BargainActivityService;
+import cn.iocoder.yudao.module.promotion.service.bargain.BargainHelpService;
 import cn.iocoder.yudao.module.promotion.service.bargain.BargainRecordService;
 import cn.iocoder.yudao.module.trade.api.order.TradeOrderApi;
 import cn.iocoder.yudao.module.trade.api.order.dto.TradeOrderRespDTO;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.Parameters;
 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.Collections;
 import java.util.List;
 import java.util.Map;
@@ -47,6 +49,8 @@ public class AppBargainRecordController {
     private BargainRecordService bargainRecordService;
     @Resource
     private BargainActivityService bargainActivityService;
+    @Resource
+    private BargainHelpService bargainHelpService;
     @Resource
     private MemberUserApi memberUserApi;
@@ -78,23 +82,67 @@ public class AppBargainRecordController {
     @GetMapping("/get-detail")
     @Operation(summary = "获得砍价记录的明细")
-    // TODO 芋艿：swagger；id  和 activityId 二选一
+    @Parameters({
+            @Parameter(name = "id", description = "砍价记录编号", example = "111"), // 场景一：查看指定的砍价记录
+            @Parameter(name = "activityId", description = "砍价活动编号", example = "222") // 场景二：查看指定的砍价活动
+    })
     public CommonResult<AppBargainRecordDetailRespVO> getBargainRecordDetail(
             @RequestParam(value = "id", required = false) Long id,
             @RequestParam(value = "activityId", required = false) Long activityId) {
-        AppBargainRecordDetailRespVO detail = new AppBargainRecordDetailRespVO();
-        detail.setId(1L);
-        detail.setUserId(1L);
-        detail.setSpuId(1L);
-        detail.setSkuId(1L);
-        detail.setPrice(500);
-        detail.setActivityId(1L);
-        detail.setBargainPrice(150);
-        detail.setPrice(200);
-        detail.setPayPrice(180);
-        detail.setStatus(1);
-        detail.setExpireTime(LocalDateTimeUtils.addTime(Duration.ofDays(2)));
-        return success(detail);
+        // 1. 查询砍价记录 + 砍价活动
+        Assert.isTrue(id != null || activityId != null, "砍价记录编号和活动编号不能同时为空");
+        BargainRecordDO record = id != null ? bargainRecordService.getBargainRecord(id)
+                : bargainRecordService.getInProgressBargainRecord(getLoginUserId(), activityId);
+        if (activityId == null || record != null) {
+            activityId = record.getActivityId();
+        }
+        // 2. 查询助力记录
+        Integer helpAction = getHelpAction(record, activityId);
+        // 3. 如果是自己的订单，则查询订单信息
+        // TODO 继续查询别的字段
+
+        // 拼接返回
+        return success(BargainRecordConvert.INSTANCE.convert02(record, helpAction));
+//
+//        AppBargainRecordDetailRespVO detail = new AppBargainRecordDetailRespVO();
+//        detail.setId(1L);
+//        detail.setUserId(1L);
+//        detail.setSpuId(1L);
+//        detail.setSkuId(1L);
+//        detail.setPrice(500);
+//        detail.setActivityId(1L);
+//        detail.setBargainPrice(150);
+//        detail.setPrice(200);
+//        detail.setPayPrice(180);
+//        detail.setStatus(1);
+//        detail.setExpireTime(LocalDateTimeUtils.addTime(Duration.ofDays(2)));
+//        return success(detail);
+    }
+
+    private Integer getHelpAction(BargainRecordDO record, Long activityId) {
+        // 0.1 如果没有活动，无法帮砍
+        if (activityId == null) {
+            return null;
+        }
+        // 0.2 如果是自己的砍价记录，无法帮砍
+        Long userId = getLoginUserId();
+        if (record != null && record.getUserId().equals(userId)) {
+            return null;
+        }
+
+        // 1. 判断是否已经助力
+        if (record != null
+            && bargainHelpService.getBargainHelp(record.getId(), userId) != null) {
+            return AppBargainRecordDetailRespVO.HELP_ACTION_SUCCESS;
+        }
+        // 2. 判断是否满助力
+        BargainActivityDO activity = bargainActivityService.getBargainActivity(activityId);
+        if (activity != null
+            && bargainHelpService.getBargainHelpCountByActivity(activityId, userId) >= activity.getBargainCount()) {
+            return AppBargainRecordDetailRespVO.HELP_ACTION_FULL;
+        }
+
+        return AppBargainRecordDetailRespVO.HELP_ACTION_NONE;
     }
     @GetMapping("/page")
@@ -45,10 +45,13 @@ public class AppBargainActivityDetailRespVO {
     @Schema(description = "商品单位", requiredMode = Schema.RequiredMode.REQUIRED, example = "个") // 从 SPU 的 unit 读取，然后转换
     private String unitName;
+    @Schema(description = "砍价起始价格，单位：分", requiredMode = Schema.RequiredMode.REQUIRED, example = "200")
+    private Integer bargainFirstPrice;
+
     @Schema(description = "砍价最低金额，单位：分", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
-    private Integer bargainPrice;
+    private Integer bargainMinPrice;
     @Schema(description = "砍价成功数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
-    private Integer successCount;
+    private Integer successUserCount;
 }
@@ -9,6 +9,9 @@ import java.time.LocalDateTime;
 @Data
 public class AppBargainHelpRespVO {
+    @Schema(description = "用户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
+    private Long userId;
+
     @Schema(description = "助力用户的昵称", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
     private String nickname;
@@ -3,8 +3,6 @@ package cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.record;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import java.time.LocalDateTime;
-
 @Schema(description = "用户 App - 砍价记录的明细 Response VO")
 @Data
 public class AppBargainRecordDetailRespVO {
@@ -13,21 +11,44 @@ public class AppBargainRecordDetailRespVO {
     public static final int HELP_ACTION_FULL = 2; // 帮砍动作 - 未帮砍，无法帮砍（可帮砍次数已满)
     public static final int HELP_ACTION_SUCCESS = 3; // 帮砍动作 - 已帮砍
+    // ========== 砍价记录 ==========
+
+    @Schema(description = "砍价记录编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
     private Long id;
+
+    @Schema(description = "用户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "666")
     private Long userId;
+
+    @Schema(description = "商品 SPU 编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "2048")
     private Long spuId;
+    @Schema(description = "商品 SKU 编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "2048")
     private Long skuId;
+
+    @Schema(description = "活动编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "赵六")
     private Long activityId;
+
+    @Schema(description = "砍价起始价格，单位：分", requiredMode = Schema.RequiredMode.REQUIRED, example = "23")
+    private Integer bargainFirstPrice;
+
+    @Schema(description = "当前砍价，单位：分", requiredMode = Schema.RequiredMode.REQUIRED, example = "23")
     private Integer bargainPrice;
-    private Integer price;
-    private Integer payPrice;
+
+    @Schema(description = "砍价记录状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     private Integer status;
-    private LocalDateTime expireTime;
+    // ========== 订单相关 ========== 注意：只有是自己的砍价记录，才会返回，保证隐私性
+    @Schema(description = "订单编号", example = "1024")
     private Long orderId;
+
+    @Schema(description = "支付状态", example = "true")
     private Boolean payStatus;
+    @Schema(description = "支付订单编号", example = "1024")
+    private Long payOrderId;
+
+    // ========== 助力记录 ==========
+
     private Integer helpAction;
 }
@@ -61,12 +61,11 @@ public interface BargainActivityConvert {
     AppBargainActivityDetailRespVO convert1(BargainActivityDO bean);
-    default AppBargainActivityDetailRespVO convert(BargainActivityDO bean, ProductSpuRespDTO spu) {
-        AppBargainActivityDetailRespVO detail = convert1(bean);
+    default AppBargainActivityDetailRespVO convert(BargainActivityDO bean, Integer successUserCount, ProductSpuRespDTO spu) {
+        AppBargainActivityDetailRespVO detail = convert1(bean).setSuccessUserCount(successUserCount);
         if (spu != null) {
-            detail.setPicUrl(spu.getPicUrl());
-            detail.setMarketPrice(spu.getMarketPrice());
-            detail.setUnitName(DictFrameworkUtils.getDictDataLabel(DictTypeConstants.PRODUCT_UNIT, spu.getUnit()));
+            detail.setPicUrl(spu.getPicUrl()).setMarketPrice(spu.getMarketPrice())
+                    .setUnitName(DictFrameworkUtils.getDictDataLabel(DictTypeConstants.PRODUCT_UNIT, spu.getUnit()));
         }
         return detail;
     }
@@ -4,10 +4,12 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
 import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
 import cn.iocoder.yudao.module.promotion.controller.admin.bargain.vo.help.BargainHelpRespVO;
+import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.help.AppBargainHelpRespVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainHelpDO;
 import org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;
+import java.util.List;
 import java.util.Map;
 /**
@@ -31,4 +33,14 @@ public interface BargainHelpConvert {
     }
     PageResult<BargainHelpRespVO> convertPage(PageResult<BargainHelpDO> page);
+    default List<AppBargainHelpRespVO> convertList(List<BargainHelpDO> helps,
+                                                   Map<Long, MemberUserRespDTO> userMap) {
+        List<AppBargainHelpRespVO> helpVOs = convertList02(helps);
+        helpVOs.forEach(help ->
+                MapUtils.findAndThen(userMap, help.getUserId(),
+                        user -> help.setNickname(user.getNickname()).setAvatar(user.getAvatar())));
+        return helpVOs;
+    }
+    List<AppBargainHelpRespVO> convertList02(List<BargainHelpDO> helps);
+
 }
@@ -6,6 +6,7 @@ import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
 import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
 import cn.iocoder.yudao.module.product.api.spu.dto.ProductSpuRespDTO;
 import cn.iocoder.yudao.module.promotion.controller.admin.bargain.vo.recrod.BargainRecordPageItemRespVO;
+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.dal.dataobject.bargain.BargainActivityDO;
@@ -82,4 +83,6 @@ public interface BargainRecordConvert {
         return summary;
     }
+    AppBargainRecordDetailRespVO convert02(BargainRecordDO record, Integer helpAction);
+
 }
@@ -72,4 +72,9 @@ public interface BargainHelpMapper extends BaseMapperX&lt;BargainHelpDO&gt; {
                 .orderByDesc(BargainHelpDO::getId));
     }
+    default List<BargainHelpDO> selectListByRecordId(Long recordId) {
+        return selectList(new LambdaQueryWrapperX<BargainHelpDO>()
+                .eq(BargainHelpDO::getRecordId, recordId));
+    }
+
 }
@@ -15,6 +15,7 @@ import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 import org.apache.ibatis.annotations.Select;
+import java.time.LocalDateTime;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
@@ -71,9 +72,16 @@ public interface BargainRecordMapper extends BaseMapperX&lt;BargainRecordDO&gt; {
                 record -> MapUtil.getInt(record, "userCount" ));
     }
-    @Select("SELECT COUNT(DISTINCT(user_id)) FROM promotion_bargain_record WHERE status = #{status}")
+    @Select("SELECT COUNT(DISTINCT(user_id)) FROM promotion_bargain_record " +
+            "WHERE status = #{status}")
     Integer selectUserCountByStatus(@Param("status") Integer status);
+    @Select("SELECT COUNT(DISTINCT(user_id)) FROM promotion_bargain_record " +
+            "WHERE activity_id = #{activityId} " +
+            "AND status = #{status}")
+    Integer selectUserCountByActivityIdAndStatus(@Param("activityId") Long activityId,
+                                                 @Param("status") Integer status);
+
     default PageResult<BargainRecordDO> selectPage(BargainRecordPageReqVO reqVO) {
         return selectPage(reqVO, new LambdaQueryWrapperX<BargainRecordDO>()
                 .eqIfPresent(BargainRecordDO::getStatus, reqVO.getStatus())
@@ -101,7 +109,7 @@ public interface BargainRecordMapper extends BaseMapperX&lt;BargainRecordDO&gt; {
      * @return 更新数量
      */
     default int updateOrderIdById(Long id, Long orderId) {
-        return update(new BargainRecordDO().setOrderId(orderId),
+        return update(new BargainRecordDO().setOrderId(orderId).setEndTime(LocalDateTime.now()),
                 new LambdaQueryWrapper<>(BargainRecordDO.class)
                         .eq(BargainRecordDO::getId, id)
                         .isNull(BargainRecordDO::getOrderId));
@@ -6,6 +6,7 @@ import cn.iocoder.yudao.module.promotion.controller.app.bargain.vo.help.AppBarga
 import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainHelpDO;
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 /**
@@ -41,6 +42,15 @@ public interface BargainHelpService {
     Map<Long, Integer> getBargainHelpUserCountMapByRecord(Collection<Long> recordIds);
     /**
+     * 【砍价活动】获得用户的助力次数
+     *
+     * @param activityId 活动编号
+     * @param userId 用户编号
+     * @return 助力次数
+     */
+    Long getBargainHelpCountByActivity(Long activityId, Long userId);
+
+    /**
      * 获得砍价助力分页
      *
      * @param pageReqVO 分页查询
@@ -48,4 +58,21 @@ public interface BargainHelpService {
      */
     PageResult<BargainHelpDO> getBargainHelpPage(BargainHelpPageReqVO pageReqVO);
+    /**
+     * 获得指定砍价记录编号，对应的砍价助力列表
+     *
+     * @param recordId 砍价记录编号
+     * @return 砍价助力列表
+     */
+    List<BargainHelpDO> getBargainHelpListByRecordId(Long recordId);
+
+    /**
+     * 获得助力记录
+     *
+     * @param recordId 砍价记录编号
+     * @param userId 用户编号
+     * @return 助力记录
+     */
+    BargainHelpDO getBargainHelp(Long recordId, Long userId);
+
 }
@@ -18,6 +18,7 @@ import org.springframework.validation.annotation.Validated;
 import javax.annotation.Resource;
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
@@ -115,8 +116,23 @@ public class BargainHelpServiceImpl implements BargainHelpService {
     }
     @Override
+    public Long getBargainHelpCountByActivity(Long activityId, Long userId) {
+        return bargainHelpMapper.selectCountByUserIdAndActivityId(userId, activityId);
+    }
+
+    @Override
     public PageResult<BargainHelpDO> getBargainHelpPage(BargainHelpPageReqVO pageReqVO) {
         return bargainHelpMapper.selectPage(pageReqVO);
     }
+    @Override
+    public List<BargainHelpDO> getBargainHelpListByRecordId(Long recordId) {
+        return bargainHelpMapper.selectListByRecordId(recordId);
+    }
+
+    @Override
+    public BargainHelpDO getBargainHelp(Long recordId, Long userId) {
+        return bargainHelpMapper.selectByUserIdAndRecordId(userId, recordId);
+    }
+
 }
@@ -74,6 +74,17 @@ public interface BargainRecordService {
     BargainRecordDO getBargainRecord(Long id);
     /**
+     * 获得用户当前正在【砍价中】+ 指定活动的砍价记录
+     *
+     * 因为一个用户，在一个砍价活动，【砍价中】只存在一条
+     *
+     * @param userId 用户编号
+     * @param activityId 砍价记录编号
+     * @return 砍价记录
+     */
+    BargainRecordDO getInProgressBargainRecord(Long userId, Long activityId);
+
+    /**
      * 获得砍价人数 Map
      *
      * @param activityIds 活动编号
@@ -83,7 +94,7 @@ public interface BargainRecordService {
     Map<Long, Integer> getBargainRecordUserCountMap(Collection<Long> activityIds, @Nullable Integer status);
     /**
-     * 获得砍价人数 Map
+     * 获得砍价人数
      *
      * @param status 砍价记录状态
      * @return 砍价人数
@@ -91,6 +102,15 @@ public interface BargainRecordService {
     Integer getBargainRecordUserCount(Integer status);
     /**
+     * 获得砍价人数
+     *
+     * @param activityId 砍价活动编号
+     * @param status 砍价记录状态
+     * @return 砍价人数
+     */
+    Integer getBargainRecordUserCount(Long activityId, Integer status);
+
+    /**
      * 【管理员】获得砍价记录分页
      *
      * @param pageReqVO 分页查询
@@ -115,6 +115,13 @@ public class BargainRecordServiceImpl implements BargainRecordService {
     }
     @Override
+    public BargainRecordDO getInProgressBargainRecord(Long userId, Long activityId) {
+        List<BargainRecordDO> list = bargainRecordMapper.selectListByUserIdAndActivityIdAndStatus(
+                userId, activityId, BargainRecordStatusEnum.IN_PROGRESS.getStatus());
+        return CollUtil.getFirst(list);
+    }
+
+    @Override
     public Map<Long, Integer> getBargainRecordUserCountMap(Collection<Long> activityIds, @Nullable Integer status) {
         return bargainRecordMapper.selectUserCountByActivityIdsAndStatus(activityIds, status);
     }
@@ -125,6 +132,11 @@ public class BargainRecordServiceImpl implements BargainRecordService {
     }
     @Override
+    public Integer getBargainRecordUserCount(Long activityId, Integer status) {
+        return bargainRecordMapper.selectUserCountByActivityIdAndStatus(activityId, status);
+    }
+
+    @Override
     public PageResult<BargainRecordDO> getBargainRecordPage(BargainRecordPageReqVO pageReqVO) {
         return bargainRecordMapper.selectPage(pageReqVO);
     }