49 lines
1.5 KiB
Java
49 lines
1.5 KiB
Java
package org.springblade.seata.order.service.impl;
|
|
|
|
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
|
|
import io.seata.spring.annotation.GlobalTransactional;
|
|
import lombok.AllArgsConstructor;
|
|
import org.springblade.core.log.exception.ServiceException;
|
|
import org.springblade.seata.order.entity.Order;
|
|
import org.springblade.seata.order.feign.IStorageClient;
|
|
import org.springblade.seata.order.mapper.OrderMapper;
|
|
import org.springblade.seata.order.service.IOrderService;
|
|
import org.springframework.stereotype.Service;
|
|
import org.springframework.transaction.annotation.Transactional;
|
|
|
|
import java.math.BigDecimal;
|
|
|
|
/**
|
|
* OrderServiceImpl
|
|
*
|
|
* @author Chill
|
|
*/
|
|
@Service
|
|
@AllArgsConstructor
|
|
public class OrderServiceImpl extends ServiceImpl<OrderMapper, Order> implements IOrderService {
|
|
|
|
private IStorageClient storageClient;
|
|
|
|
@Override
|
|
@GlobalTransactional
|
|
@Transactional(rollbackFor = Exception.class)
|
|
public boolean createOrder(String userId, String commodityCode, Integer count) {
|
|
int maxCount = 100;
|
|
BigDecimal orderMoney = new BigDecimal(count).multiply(new BigDecimal(5));
|
|
Order order = new Order()
|
|
.setUserId(userId)
|
|
.setCommodityCode(commodityCode)
|
|
.setCount(count)
|
|
.setMoney(orderMoney);
|
|
int cnt1 = baseMapper.insert(order);
|
|
int cnt2 = storageClient.deduct(commodityCode, count);
|
|
if (cnt2 < 0) {
|
|
throw new ServiceException("创建订单失败");
|
|
} else if (count > maxCount) {
|
|
throw new ServiceException("超过订单最大值，创建订单失败");
|
|
}
|
|
return cnt1 > 0 && cnt2 > 0;
|
|
}
|
|
|
|
}
|