content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * 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
   *
   *      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.nacos.console.handler.impl.inner.config;
  
  import com.alibaba.nacos.api.config.model.ConfigBasicInfo;
  import com.alibaba.nacos.api.config.model.ConfigHistoryBasicInfo;
  import com.alibaba.nacos.api.config.model.ConfigHistoryDetailInfo;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.exception.api.NacosApiException;
  import com.alibaba.nacos.api.model.Page;
  import com.alibaba.nacos.api.model.v2.ErrorCode;
  import com.alibaba.nacos.config.server.model.ConfigHistoryInfo;
  import com.alibaba.nacos.config.server.model.ConfigInfoWrapper;
  import com.alibaba.nacos.config.server.service.HistoryService;
  import com.alibaba.nacos.config.server.utils.ResponseUtil;
  import com.alibaba.nacos.console.handler.config.HistoryHandler;
  import com.alibaba.nacos.console.handler.impl.ConditionFunctionEnabled;
  import com.alibaba.nacos.console.handler.impl.inner.EnabledInnerHandler;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Conditional;
  import org.springframework.dao.DataAccessException;
  import org.springframework.http.HttpStatus;
  import org.springframework.stereotype.Service;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  /**
   * .
   *
   * @author zhangyukun on:2024/8/16
   */
  @Service
  @EnabledInnerHandler
  @Conditional(ConditionFunctionEnabled.ConditionConfigEnabled.class)
  public class HistoryInnerHandler implements HistoryHandler {
      
      private final HistoryService historyService;
      
      @Autowired
      public HistoryInnerHandler(HistoryService historyService) {
          this.historyService = historyService;
      }
      
      @Override
      public ConfigHistoryDetailInfo getConfigHistoryInfo(String dataId, String group, String namespaceId, Long nid)
              throws NacosException {
          ConfigHistoryDetailInfo result;
          try {
              ConfigHistoryInfo configHistoryInfo = historyService.getConfigHistoryInfo(dataId, group, namespaceId, nid);
              result = ResponseUtil.transferToConfigHistoryDetailInfo(configHistoryInfo);
          } catch (DataAccessException e) {
              throw new NacosApiException(HttpStatus.NOT_FOUND.value(), ErrorCode.RESOURCE_NOT_FOUND,
                      "certain config history for nid = " + nid + " not exist");
          }
          return result;
      }
      
      @Override
      public Page<ConfigHistoryBasicInfo> listConfigHistory(String dataId, String group, String namespaceId,
              Integer pageNo, Integer pageSize) throws NacosException {
          Page<ConfigHistoryInfo> configHistoryInfoPage = historyService.listConfigHistory(dataId, group, namespaceId,
                  pageNo, pageSize);
          Page<ConfigHistoryBasicInfo> result = new Page<>();
          result.setPagesAvailable(configHistoryInfoPage.getPagesAvailable());
          result.setPageNumber(configHistoryInfoPage.getPageNumber());
          result.setTotalCount(configHistoryInfoPage.getTotalCount());
          result.setPageItems(
                  configHistoryInfoPage.getPageItems().stream().map(ResponseUtil::transferToConfigHistoryBasicInfo)
                          .collect(Collectors.toList()));
          return result;
      }
      
      @Override
      public ConfigHistoryDetailInfo getPreviousConfigHistoryInfo(String dataId, String group, String namespaceId,
              Long id) throws NacosException {
          ConfigHistoryDetailInfo result;
          try {
              ConfigHistoryInfo configHistoryInfo = historyService.getPreviousConfigHistoryInfo(dataId, group,
                      namespaceId, id);
              result = ResponseUtil.transferToConfigHistoryDetailInfo(configHistoryInfo);
          } catch (DataAccessException e) {
              throw new NacosApiException(HttpStatus.NOT_FOUND.value(), ErrorCode.RESOURCE_NOT_FOUND,
                      "previous config history for id = " + id + " not exist");
          }
          return result;
      }
      
      @Override
      public List<ConfigBasicInfo> getConfigsByTenant(String namespaceId) {
          List<ConfigInfoWrapper> configListByNamespace = historyService.getConfigListByNamespace(namespaceId);
          return configListByNamespace.stream().map(ResponseUtil::transferToConfigBasicInfo).toList();
      }
  }