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;
  
  import com.alibaba.cloud.examples.BusinessApplication.OrderService;
  import com.alibaba.cloud.examples.BusinessApplication.StorageService;
  import io.seata.spring.annotation.GlobalTransactional;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.springframework.http.HttpEntity;
  import org.springframework.http.HttpHeaders;
  import org.springframework.http.MediaType;
  import org.springframework.http.ResponseEntity;
  import org.springframework.util.LinkedMultiValueMap;
  import org.springframework.util.MultiValueMap;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.RestController;
  import org.springframework.web.client.RestTemplate;
  
  /**
   * @author xiaojing
   */
  @RestController
  public class HomeController {
  
  	private static final Logger LOGGER = LoggerFactory.getLogger(HomeController.class);
  
  	private static final String SUCCESS = "SUCCESS";
  
  	private static final String FAIL = "FAIL";
  
  	private static final String USER_ID = "U100001";
  
  	private static final String COMMODITY_CODE = "C00321";
  
  	private static final int ORDER_COUNT = 2;
  
  	private final RestTemplate restTemplate;
  
  	private final OrderService orderService;
  
  	private final StorageService storageService;
  
  	public HomeController(RestTemplate restTemplate, OrderService orderService,
  			StorageService storageService) {
  		this.restTemplate = restTemplate;
  		this.orderService = orderService;
  		this.storageService = storageService;
  	}
  
  	@GlobalTransactional(timeoutMills = 300000, name = "spring-cloud-demo-tx")
  	@GetMapping(value = "/seata/rest", produces = "application/json")
  	public String rest() {
  
  		String result = restTemplate.getForObject(
  				"http://127.0.0.1:18082/storage/" + COMMODITY_CODE + "/" + ORDER_COUNT,
  				String.class);
  
  		if (!SUCCESS.equals(result)) {
  			throw new RuntimeException();
  		}
  
  		String url = "http://127.0.0.1:18083/order";
  		HttpHeaders headers = new HttpHeaders();
  		headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
  
  		MultiValueMap<String, String> map = new LinkedMultiValueMap<String, String>();
  		map.add("userId", USER_ID);
  		map.add("commodityCode", COMMODITY_CODE);
  		map.add("orderCount", ORDER_COUNT + "");
  
  		HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<MultiValueMap<String, String>>(
  				map, headers);
  
  		ResponseEntity<String> response;
  		try {
  			response = restTemplate.postForEntity(url, request, String.class);
  		}
  		catch (Exception exx) {
  			throw new RuntimeException("mock error");
  		}
  		result = response.getBody();
  		if (!SUCCESS.equals(result)) {
  			throw new RuntimeException();
  		}
  
  		return SUCCESS;
  	}
  
  	@GlobalTransactional(timeoutMills = 300000, name = "spring-cloud-demo-tx")
  	@GetMapping(value = "/seata/feign", produces = "application/json")
  	public String feign() {
  
  		String result = storageService.storage(COMMODITY_CODE, ORDER_COUNT);
  
  		if (!SUCCESS.equals(result)) {
  			throw new RuntimeException();
  		}
  
  		result = orderService.order(USER_ID, COMMODITY_CODE, ORDER_COUNT);
  
  		if (!SUCCESS.equals(result)) {
  			throw new RuntimeException();
  		}
  
  		return SUCCESS;
  
  	}
  
  }
  