From 9bcc40d213a44498c46dae5e678e592b918b40b0 Mon Sep 17 00:00:00 2001 From: rentaiming <806181062@qq.com> Date: 星期四, 30 五月 2024 18:33:54 +0800 Subject: [PATCH] Merge remote-tracking branch 'origin/master' --- ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java | 189 ++++++++++++++++------------------------------- 1 files changed, 64 insertions(+), 125 deletions(-) diff --git a/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java b/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java index b41c374..6a9ff24 100644 --- a/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java +++ b/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java @@ -2,36 +2,42 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; import com.ruoyi.common.core.constant.CacheConstants; +import com.ruoyi.common.core.constant.SecurityConstants; +import com.ruoyi.common.core.enums.ListingStatusEnum; import com.ruoyi.common.core.enums.StartStatusEnum; +import com.ruoyi.common.core.exception.ServiceException; import com.ruoyi.common.core.utils.StringUtils; import com.ruoyi.common.core.utils.page.BeanUtils; import com.ruoyi.common.core.utils.page.PageDTO; import com.ruoyi.common.redis.service.RedisService; -import com.ruoyi.goods.controller.management.DTO.GoodsSeckillDTO; -import com.ruoyi.goods.controller.management.DTO.GoodsSeckillQuery; -import com.ruoyi.goods.controller.management.DTO.GoodsSeckillUpd; -import com.ruoyi.goods.controller.management.VO.GoodsSeckillVO; +import com.ruoyi.goods.controller.management.dto.GoodsSeckillDTO; +import com.ruoyi.goods.controller.management.dto.GoodsSeckillQuery; +import com.ruoyi.goods.controller.management.dto.GoodsSeckillUpd; +import com.ruoyi.goods.controller.management.vo.GoodsSeckillVO; import com.ruoyi.goods.mapper.GoodsSeckillMapper; import com.ruoyi.goods.service.IGoodsSeckillService; import com.ruoyi.goods.service.IGoodsSkuService; +import com.ruoyi.goods.service.async.AsyncMethodService; import com.ruoyi.system.api.constants.DelayTaskEnum; -import com.ruoyi.system.api.domain.DelayTask; +import com.ruoyi.system.api.constants.NotificationTypeConstant; import com.ruoyi.system.api.domain.GoodsSeckill; import com.ruoyi.system.api.domain.GoodsSku; import com.ruoyi.system.api.domain.dto.ListStatusDTO; import com.ruoyi.system.api.feignClient.OrderClient; import com.ruoyi.system.api.feignClient.SysUserClient; -import java.time.Duration; import java.time.LocalDateTime; import java.util.List; +import java.util.Map; import java.util.Optional; -import java.util.concurrent.TimeUnit; +import java.util.concurrent.ConcurrentHashMap; import lombok.RequiredArgsConstructor; import lombok.extern.slf4j.Slf4j; -import org.redisson.api.RedissonClient; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; +import util.WebSocketUsers; /** * <p> @@ -50,8 +56,9 @@ private final OrderClient orderClient; private final RedisService redisService; private final SysUserClient sysUserClient; - private final RedissonClient redissonClient; - + private final AsyncMethodService asyncMethodService; + // 创建一个静态共享的ObjectMapper实例以重用 + private static final ObjectMapper objectMapper = new ObjectMapper(); @Override @Transactional(rollbackFor = Exception.class) public void addGoodsSeckill(GoodsSeckillDTO dto) { @@ -67,117 +74,19 @@ this.saveBatch(goodsSeckills); for (GoodsSeckill goodsSeckill : goodsSeckills) { - LocalDateTime startTime = goodsSeckill.getStartTime(); - LocalDateTime endTime = goodsSeckill.getEndTime(); - LocalDateTime checkTime = LocalDateTime.now().plusHours(1); - //秒杀在一小时内开始 - if (checkTime.isAfter(startTime)) { - Long id = goodsSeckill.getId(); - LocalDateTime now = LocalDateTime.now(); - String seckillStartTaskKey = DelayTaskEnum.SECKILL_START_TASK.getCode() + "-" + id; - //秒杀已经开始 - if (now.isAfter(startTime)) { - //查询延时任务 - DelayTask startDelayTask = sysUserClient.getDelayTask( - seckillStartTaskKey).getData(); - if (StringUtils.isNull(startDelayTask)) { - redisService.setCacheObject( - seckillStartTaskKey, - startTime, 3L, TimeUnit.SECONDS); - startDelayTask = new DelayTask(); - startDelayTask.setDelFlag(0); - startDelayTask.setCreateTime(LocalDateTime.now()); - startDelayTask.setEndTime(LocalDateTime.now().plusSeconds(3)); - startDelayTask.setRedisKey( - seckillStartTaskKey); - sysUserClient.addDelayTask(startDelayTask); - } else { - if (!startDelayTask.getEndTime().isEqual(startTime)) { - sysUserClient.deleteDelayTask( - seckillStartTaskKey); - redisService.deleteObject( - seckillStartTaskKey); - redisService.setCacheObject( - seckillStartTaskKey, - startTime, 3L, TimeUnit.SECONDS); - startDelayTask = new DelayTask(); - startDelayTask.setDelFlag(0); - startDelayTask.setCreateTime(LocalDateTime.now()); - startDelayTask.setEndTime(LocalDateTime.now().plusSeconds(3)); - startDelayTask.setRedisKey( - seckillStartTaskKey); - sysUserClient.addDelayTask(startDelayTask); - } - } - } else { - DelayTask startDelayTask = sysUserClient.getDelayTask( - seckillStartTaskKey).getData(); - Duration duration = Duration.between(LocalDateTime.now(), startTime); - - if (StringUtils.isNull(startDelayTask)) { - redisService.setCacheObject( - seckillStartTaskKey, - startTime, duration.toMillis(), TimeUnit.MILLISECONDS); - startDelayTask = new DelayTask(); - startDelayTask.setDelFlag(0); - startDelayTask.setCreateTime(LocalDateTime.now()); - startDelayTask.setEndTime(startTime); - startDelayTask.setRedisKey( - seckillStartTaskKey); - sysUserClient.addDelayTask(startDelayTask); - } else { - if (!startDelayTask.getEndTime().isEqual(startTime)) { - sysUserClient.deleteDelayTask( - seckillStartTaskKey); - redisService.deleteObject( - seckillStartTaskKey); - redisService.setCacheObject( - seckillStartTaskKey, - startTime, duration.toMillis(), TimeUnit.MILLISECONDS); - startDelayTask = new DelayTask(); - startDelayTask.setDelFlag(0); - startDelayTask.setCreateTime(LocalDateTime.now()); - startDelayTask.setEndTime(startTime); - startDelayTask.setRedisKey( - seckillStartTaskKey); - sysUserClient.addDelayTask(startDelayTask); - } - } - } - String seckillEndTaskKey = DelayTaskEnum.SECKILL_END_TASK.getCode() + "-" + id; - DelayTask endDelayTask = sysUserClient.getDelayTask( - seckillEndTaskKey).getData(); - // 如果延时任务为空,创建延时任务控制活动定时开始和结束 - if (StringUtils.isNull(endDelayTask)) { - Duration duration = Duration.between(LocalDateTime.now(), endTime); - redisService.setCacheObject( - seckillEndTaskKey, - endTime, duration.toMillis(), TimeUnit.MILLISECONDS); - endDelayTask = new DelayTask(); - endDelayTask.setDelFlag(0); - endDelayTask.setCreateTime(LocalDateTime.now()); - endDelayTask.setEndTime(endTime); - endDelayTask.setRedisKey(seckillEndTaskKey); - sysUserClient.addDelayTask(endDelayTask); - } else { - Duration duration = Duration.between(LocalDateTime.now(), endTime); - if (!endDelayTask.getEndTime().isEqual(endTime)) { - sysUserClient.deleteDelayTask(seckillEndTaskKey); - redisService.deleteObject(seckillEndTaskKey); - redisService.setCacheObject( - seckillEndTaskKey, - endTime, duration.toMillis(), TimeUnit.MILLISECONDS); - endDelayTask = new DelayTask(); - endDelayTask.setDelFlag(0); - endDelayTask.setCreateTime(LocalDateTime.now()); - endDelayTask.setEndTime(endTime); - endDelayTask.setRedisKey(seckillEndTaskKey); - sysUserClient.addDelayTask(endDelayTask); - } - } + GoodsSku goodsSku = goodsSkuService.getById(goodsSeckill.getGoodsSkuId()); + if (StringUtils.isNull(goodsSku)) { + throw new ServiceException("商品不存在"); } + Integer seckillStock = goodsSeckill.getSeckillStock(); + goodsSkuService.lambdaUpdate() + .set(GoodsSku::getStock, goodsSku.getStock() - seckillStock) + .ge(GoodsSku::getStock, seckillStock) + .eq(GoodsSku::getId, goodsSku.getId()); + asyncMethodService.seckillScheduleTask(goodsSeckill); } } + /** * 获取秒杀商品列表的分页数据 @@ -198,14 +107,19 @@ * @param upd 商品秒杀数据传输对象 */ @Override + @Transactional(rollbackFor = Exception.class) public void updGoodsSeckill(GoodsSeckillUpd upd) { //查询秒杀商品 GoodsSeckill goodsSeckill = this.getById(upd.getId()); if (StringUtils.isNull(goodsSeckill)) { - throw new RuntimeException("秒杀商品不存在"); + throw new ServiceException("秒杀商品不存在"); + } + if (goodsSeckill.getStartStatus().equals(StartStatusEnum.STARTED)) { + throw new ServiceException("秒杀商品已开始秒杀,不能修改"); } GoodsSeckill goodsSeckillUpd = BeanUtils.copyBean(upd, GoodsSeckill.class); this.updateById(goodsSeckillUpd); + asyncMethodService.seckillScheduleTask(goodsSeckill); } /** @@ -215,10 +129,21 @@ */ @Override public void updStatus(ListStatusDTO dto) { + GoodsSeckill goodsSeckill = this.getById(dto.getId()); + if (StringUtils.isNull(goodsSeckill)) { + throw new ServiceException("秒杀商品不存在"); + } this.lambdaUpdate() .eq(GoodsSeckill::getId, dto.getId()) .set(GoodsSeckill::getListingStatus, dto.getListingStatus()) .update(); + if (dto.getListingStatus().equals(ListingStatusEnum.REMOVED_FROM_THE_SHELF)) { + //移除该秒杀商品的延时任务 + redisService.deleteObject( + DelayTaskEnum.SECKILL_START_TASK.getCode() + "-" + goodsSeckill.getId()); + redisService.deleteObject( + DelayTaskEnum.SECKILL_END_TASK.getCode() + "-" + goodsSeckill.getId()); + } } /** @@ -231,12 +156,13 @@ public GoodsSeckillVO getDetail(Long id) { GoodsSeckill goodsSeckill = this.getById(id); if (StringUtils.isNull(goodsSeckill)) { - throw new RuntimeException("秒杀商品不存在"); + throw new ServiceException("秒杀商品不存在"); } GoodsSeckillVO vo = BeanUtils.copyBean(goodsSeckill, GoodsSeckillVO.class); GoodsSku goods = goodsSkuService.getById(goodsSeckill.getGoodsSkuId()); Optional.of(goods).ifPresent(goodsSku -> vo.setGoodsSkuName(goodsSku.getSkuName())); - Integer num = orderClient.getSeckillMembers(goodsSeckill.getGoodsSkuId()).getData(); + Integer num = orderClient.getSeckillMembers(goodsSeckill.getGoodsSkuId(), + SecurityConstants.INNER).getData(); vo.setNumberOfPurchasedMembers(num); return vo; } @@ -247,7 +173,7 @@ * @param seckillId 秒杀id */ @Override - public void startSeckill(Long seckillId) { + public void startSeckill(Long seckillId) throws JsonProcessingException { log.info(">>>>>>>>>>>>>>>>>>>>{}秒杀开始<<<<<<<<<<<<<<<<<<<<", seckillId); GoodsSeckill goodsSeckill = this.getById(seckillId); //秒杀商品不能为空且状态为未开始 @@ -261,7 +187,14 @@ CacheConstants.SECKILL_GOODS + goodsSeckill.getId(), goodsSeckill.getSeckillStock()); } - //TODO websocket 推送秒杀开始消息 + //推送秒杀开始消息 + Map<String, Object> map = new ConcurrentHashMap<>(); + map.put("notification_type", NotificationTypeConstant.SECKILL); + map.put("notification_time", LocalDateTime.now()); + map.put("message_type", "start"); + String msg = objectMapper.writeValueAsString(map); + WebSocketUsers.sendMessageToUsersByText(msg); + log.info("===================>发送websocket通知,消息体{}", msg); } /** @@ -270,7 +203,7 @@ * @param seckillId 秒杀id */ @Override - public void endSeckill(Long seckillId) { + public void endSeckill(Long seckillId) throws JsonProcessingException { log.info(">>>>>>>>>>>>>>>>>>>>{}秒杀结束<<<<<<<<<<<<<<<<<<<<", seckillId); GoodsSeckill goodsSeckill = this.getById(seckillId); if (StringUtils.isNotNull(goodsSeckill) @@ -281,6 +214,12 @@ // 将秒杀商品从缓存中移除 redisService.deleteObject(CacheConstants.SECKILL_GOODS + goodsSeckill.getId()); } - //TODO websocket 推送秒杀结束消息 + Map<String, Object> map = new ConcurrentHashMap<>(); + map.put("notification_type", NotificationTypeConstant.SECKILL); + map.put("notification_time", LocalDateTime.now()); + map.put("message_type", "end"); + String msg = objectMapper.writeValueAsString(map); + WebSocketUsers.sendMessageToUsersByText(msg); + log.info("===================>发送websocket通知,消息体{}", msg); } } -- Gitblit v1.7.1