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更新了优惠券模块

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This commit is contained in:
chen-xin-zhi 2025-02-25 00:21:56 +08:00
parent c58606137f
commit c21e809108
4 changed files with 80 additions and 13 deletions
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18
src/main/java/com/cultural/heritage/listener/CouponStatusListener.java
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@ -12,6 +12,7 @@ import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.stereotype.Component;
@Component
@ -22,6 +23,10 @@ public class CouponStatusListener {
private CouponService couponService;
@Resource
private RabbitTemplate rabbitTemplate;
@RabbitListener(bindings = @QueueBinding(
value = @Queue(MqConstant.DELAY_COUPON_QUEUE),
@ -43,6 +48,19 @@ public class CouponStatusListener {
if (!sourceCoupon.getEndTime().equals(targetCoupon.getEndTime())) {
return ;
}
// 3.优惠券未到截止日期，判断是否还有剩余延时时间
if (msg.hasNextDelay()) {
// 有延迟时间，需要重发延迟消息，先获取延迟时间的int值
// 发送延时消息
int delayValue = msg.removeNextDelay().intValue();
rabbitTemplate.convertAndSend(MqConstant.DELAY_EXCHANGE,
MqConstant.DELAY_ORDER_ROUTING_KEY, msg, message -> {
// 添加延迟消息属性
message.getMessageProperties().setDelay(delayValue * 1000);
return message;
});
return ;
}
// 4.更新优惠券状态
UpdateWrapper<Coupon> updateWrapper = new UpdateWrapper<>();
updateWrapper.eq("id", couponId).set("status", "已过期");

21
src/main/java/com/cultural/heritage/listener/UserCouponStatusListener.java
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@ -14,6 +14,7 @@ import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.stereotype.Component;
@ -24,6 +25,10 @@ public class UserCouponStatusListener {
private UserCouponService userCouponService;
@Resource
private RabbitTemplate rabbitTemplate;
@RabbitListener(bindings = @QueueBinding(
value = @Queue(MqConstant.DELAY_USER_COUPON_QUEUE),
exchange = @Exchange(name = MqConstant.DELAY_EXCHANGE, delayed = "true"),
@ -32,7 +37,21 @@ public class UserCouponStatusListener {
public void listenDelayMessage(MultiDelayMessage<Long> msg) {
System.out.println("\n\n\n\n\nUserCouponStatusListener.listenerDelayMessage msg-------------------------------->：" + msg);
// 1.获取消用户优惠券id
// 3.我的优惠券未到截止日期，判断是否还有剩余延时时间
if (msg.hasNextDelay()) {
// 有延迟时间，需要重发延迟消息，先获取延迟时间的int值
// 发送延时消息
int delayValue = msg.removeNextDelay().intValue();
rabbitTemplate.convertAndSend(MqConstant.DELAY_EXCHANGE,
MqConstant.DELAY_ORDER_ROUTING_KEY, msg, message -> {
// 添加延迟消息属性
message.getMessageProperties().setDelay(delayValue * 1000);
return message;
});
return ;
}
// 1.获取用户优惠券id
Long userCouponId = msg.getData();
// 2.获取优惠券信息
UserCoupon userCoupon = userCouponService.getById(userCouponId);

26
src/main/java/com/cultural/heritage/service/good/impl/CouponServiceImpl.java
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@ -16,6 +16,7 @@ import com.cultural.heritage.model.entity.UserCoupon;
import com.cultural.heritage.service.good.CouponService;
import com.cultural.heritage.utils.MultiDelayMessage;
import com.cultural.heritage.utils.SqlUtils;
import com.cultural.heritage.utils.TimeSplitterUtils;
import jakarta.annotation.Resource;
import org.apache.commons.lang3.ObjectUtils;
import org.apache.commons.lang3.StringUtils;
@ -24,6 +25,7 @@ import org.springframework.stereotype.Service;
import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
@Service
public class CouponServiceImpl extends ServiceImpl<CouponMapper, Coupon> implements CouponService {
@ -110,16 +112,18 @@ public class CouponServiceImpl extends ServiceImpl<CouponMapper, Coupon> impleme
*/
@Override
public void sendCouponCreateMessage(Coupon coupon) {
// 延迟检查优惠券是否过期
MultiDelayMessage<Coupon> msg = new MultiDelayMessage<>(coupon);
rabbitTemplate.convertAndSend(MqConstant.DELAY_EXCHANGE,
MqConstant.DELAY_COUPON_ROUTING_KEY, msg, message -> {
//计算优惠券截止日期和当前的时间差
DateTime now = new DateTime();
DateTime end = DateUtil.parse(coupon.getEndTime());
long seconds = DateUtil.between(now, end, DateUnit.SECOND);
List<Long> splitTimeList = TimeSplitterUtils.splitTime(seconds);
// 延迟检查优惠券是否过期
MultiDelayMessage<Coupon> msg = new MultiDelayMessage<>(coupon, splitTimeList);
int delayValue = msg.removeNextDelay().intValue();
rabbitTemplate.convertAndSend(MqConstant.DELAY_EXCHANGE,
MqConstant.DELAY_COUPON_ROUTING_KEY, msg, message -> {
// 添加延迟消息属性
message.getMessageProperties().setDelay((int) (seconds * 1000));
message.getMessageProperties().setDelay(delayValue * 1000);
return message;
});
}
@ -132,16 +136,18 @@ public class CouponServiceImpl extends ServiceImpl<CouponMapper, Coupon> impleme
*/
@Override
public void sendUserCouponCreateMessage(UserCoupon userCoupon, Coupon coupon) {
// 延迟检查优惠券是否过期
MultiDelayMessage<Long> msg = new MultiDelayMessage<>(userCoupon.getId());
rabbitTemplate.convertAndSend(MqConstant.DELAY_EXCHANGE,
MqConstant.DELAY_USER_COUPON_ROUTING_KEY, msg, message -> {
//计算优惠券截止日期和当前的时间差
DateTime now = new DateTime();
DateTime end = DateUtil.parse(coupon.getEndTime());
long seconds = DateUtil.between(now, end, DateUnit.SECOND);
List<Long> splitTimeList = TimeSplitterUtils.splitTime(seconds);
// 延迟检查优惠券是否过期
MultiDelayMessage<Long> msg = new MultiDelayMessage<>(userCoupon.getId(), splitTimeList);
int delayValue = msg.removeNextDelay().intValue();
rabbitTemplate.convertAndSend(MqConstant.DELAY_EXCHANGE,
MqConstant.DELAY_USER_COUPON_ROUTING_KEY, msg, message -> {
// 添加延迟消息属性
message.getMessageProperties().setDelay((int) (seconds * 1000));
message.getMessageProperties().setDelay(delayValue * 1000);
return message;
});
}

24
src/main/java/com/cultural/heritage/utils/TimeSplitterUtils.java Normal file
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@ -0,0 +1,24 @@
package com.cultural.heritage.utils;
import java.util.ArrayList;
import java.util.List;
public class TimeSplitterUtils {
public static List<Long> splitTime(long totalSeconds) {
List<Long> timeIntervals = new ArrayList<>();
long oneDayInSeconds = 86400; // 1天的秒数
// 拆分完整的天数
while (totalSeconds >= oneDayInSeconds) {
timeIntervals.add(oneDayInSeconds); // 每天加一个完整的时间段
totalSeconds -= oneDayInSeconds; // 减去已拆分的天数
}
// 如果剩余时间大于0，则加上剩余的时间
if (totalSeconds > 0) {
timeIntervals.add(totalSeconds); // 剩余时间
}
return timeIntervals;
}
}