提交秒杀/团购定时开始结束功能实现

mitao

2024-05-24 24dc3cab15f21d4ebcd25aea20d45ede98a8a1ce

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package com.ruoyi.system.listener;
 
 
import com.ruoyi.common.core.utils.DateUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.system.api.constants.DelayTaskEnum;
import com.ruoyi.system.api.feignClient.GoodsSkuClient;
import java.util.Date;
import javax.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.connection.Message;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.data.redis.listener.KeyExpirationEventMessageListener;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;
 
 
/**
 * @author mitao
 * @date 2024/5/22
 */
@Slf4j
@Component
public class RedisListener extends KeyExpirationEventMessageListener {
 
    private RedisTemplate<String, Object> redisTemplate;
    @Resource
    private GoodsSkuClient goodsSkuClient;
    public RedisListener(RedisMessageListenerContainer listenerContainer,
                         RedisTemplate redisTemplate) {
        super(listenerContainer);
        this.redisTemplate=redisTemplate;
    }
 
    @Override
    public void onMessage(Message message, byte[] pattern) {
        // 用户做自己的业务处理即可,注意message.toString()可以获取失效的key
        String expiredKey = message.toString();
        log.info("RedisListener key={}", expiredKey);
        String time= DateUtils.dateTime(new Date());
        try {
            if(StringUtils.isNotBlank(expiredKey)){
                if(expiredKey.contains("-")){
                    String[] split = expiredKey.split("-");
                    String operation=split[0];
                    Long id = Long.valueOf(split[1]);
                    if(DelayTaskEnum.SECKILL_START_TASK.getCode().equals(operation)){
                        //自动开始秒杀任务
                        autoStartSeckill(id);
                    }else if(DelayTaskEnum.SECKILL_END_TASK.getCode().equals(operation)){
                        //自动结束秒杀任务
                        autoEndSeckill(id);
                    }else if(DelayTaskEnum.GROUP_PURCHASES_START_TASK.getCode().equals(operation)){
                        //自动开始团购任务
                        autoStartGroupPurchase(id);
                    }
                    else if(DelayTaskEnum.GROUP_PURCHASES_END_TASK.getCode().equals(operation)){
                        //自动结束团购任务
                        autoEndGroupPurchase(id);
                    }else if(DelayTaskEnum.ORDER_AUTOMATIC_CANCEL.getCode().equals(operation)){
                        //自动取消订单
                        autoCancelOrder(id);
                    }
                    //删除失效的key
                    redisTemplate.delete(expiredKey);
                }
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }
 
    public <T> T getAndSet(final String key, T value){
        T oldValue=null;
        try {
            ValueOperations<String, Object> operations = redisTemplate.opsForValue();
            oldValue =(T) operations.getAndSet(key, value);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return oldValue;
    }
 
    //延时任务表
    @Async
    public void autoStartSeckill(Long seckillId) {
        log.info("autoStartSeckill scheduler task is running :{}", seckillId);
        goodsSkuClient.startSeckill(seckillId);
 
    }
 
    @Async
    public void autoEndSeckill(Long seckillId) {
        log.info("autoEndSeckill scheduler task is running :{}", seckillId);
        goodsSkuClient.endSeckill(seckillId);
    }
 
    @Async
    public void autoStartGroupPurchase(Long GroupPurchaseId) {
        log.info("autoStartGroupPurchase scheduler task is running :{}", GroupPurchaseId);
        goodsSkuClient.startGroupPurchase(GroupPurchaseId);
    }
 
    @Async
    public void autoEndGroupPurchase(Long GroupPurchaseId) {
        log.info("autoEndGroupPurchase scheduler task is running :{}", GroupPurchaseId);
        goodsSkuClient.endGroupPurchase(GroupPurchaseId);
    }
 
    @Async
    public void autoCancelOrder(Long orderId) {
        log.info("autoCancelOrder scheduler task is running :{}", orderId);
    }
}