content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   */
  
  package com.alibaba.cloudapp.seata.demo.service.impl;
  
  import com.alibaba.cloudapp.seata.demo.dao.OrderDao;
  import com.alibaba.cloudapp.seata.demo.dao.StockDao;
  import com.alibaba.cloudapp.seata.demo.entity.Order;
  import com.alibaba.cloudapp.seata.demo.entity.Stock;
  import com.alibaba.cloudapp.seata.demo.service.OrderService;
  import io.seata.core.context.RootContext;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.annotation.Transactional;
  
  import javax.annotation.Resource;
  import java.math.BigDecimal;
  
  /**
   * The type Order service.
   *
   * @author jimin.jm @alibaba-inc.com
   */
  @Service
  public class OrderServiceImpl implements OrderService {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(OrderService.class);
  
      @Resource
      private StockDao stockDao;
      @Resource
      private OrderDao orderDao;
  
      @Override
      @Transactional
      public Order create(String userId, String productCode, int count) {
          LOGGER.info("Order Service Begin ... xid: " + RootContext.getXID());
  
          Stock stock = stockDao.findByProductCode(productCode);
          
          if(stock == null) {
              throw new RuntimeException("product:" + productCode + " not exist");
          }
  
          BigDecimal orderMoney = new BigDecimal(count).multiply(stock.getPrice());
          
          LOGGER.info("create order(userId: {}, productCode: {}, count:{})", userId, productCode, count);
          
          Order order = new Order();
          order.setUserId(userId);
          order.setProductCode(productCode);
          order.setCount(count);
          order.setAmount(orderMoney);
          
          orderDao.insert(order);
  
          LOGGER.info("Order Service End ... Created order: {} ", order.getId());
          return order;
      }
  
  }
  