content: /*
   * Copyright 2013-2023 the original author or authors.
   *
   * Licensed 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
   *
   *      https://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.cloud.examples.controller;
  
  import io.seata.core.context.RootContext;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.springframework.jdbc.core.JdbcTemplate;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RestController;
  
  /**
   * @author xiaojing
   */
  @RestController
  public class StorageController {
  
  	private static final Logger LOGGER = LoggerFactory.getLogger(StorageController.class);
  
  	private static final String SUCCESS = "SUCCESS";
  
  	private static final String FAIL = "FAIL";
  
  	private final JdbcTemplate jdbcTemplate;
  
  	public StorageController(JdbcTemplate jdbcTemplate) {
  		this.jdbcTemplate = jdbcTemplate;
  	}
  
  	@GetMapping(value = "/storage/{commodityCode}/{count}", produces = "application/json")
  	public String echo(@PathVariable String commodityCode, @PathVariable int count) {
  		LOGGER.info("Storage Service Begin ... xid: " + RootContext.getXID());
  		int result = jdbcTemplate.update(
  				"update storage_tbl set count = count - ? where commodity_code = ?",
  				new Object[] { count, commodityCode });
  		LOGGER.info("Storage Service End ... ");
  		if (result == 1) {
  			return SUCCESS;
  		}
  		return FAIL;
  	}
  
  }
  