content: /*
   * Copyright 1999-2022 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.plugin.datasource.mapper;
  
  import com.alibaba.nacos.common.utils.CollectionUtils;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.plugin.datasource.constants.FieldConstant;
  import com.alibaba.nacos.plugin.datasource.constants.TableConstant;
  import com.alibaba.nacos.plugin.datasource.model.MapperContext;
  import com.alibaba.nacos.plugin.datasource.model.MapperResult;
  
  import java.util.Collections;
  import java.util.List;
  
  /**
   * The history config info mapper.
   *
   * @author hyx
   **/
  
  public interface HistoryConfigInfoMapper extends Mapper {
      
      /**
       * Delete data before startTime. The default sql: DELETE FROM his_config_info WHERE gmt_modified < ? LIMIT ?
       *
       * @param context sql paramMap
       * @return The sql of deleting data before startTime.
       */
      MapperResult removeConfigHistory(MapperContext context);
      
      /**
       * Get the number of configurations before the specified time. The default sql: SELECT count(*) FROM his_config_info
       * WHERE gmt_modified < ?
       *
       * @param context sql paramMap
       * @return The sql of getting the number of configurations before the specified time.
       */
      default MapperResult findConfigHistoryCountByTime(MapperContext context) {
          return new MapperResult("SELECT count(*) FROM his_config_info WHERE gmt_modified < ?",
                  Collections.singletonList(context.getWhereParameter(FieldConstant.START_TIME)));
      }
      
      /**
       * Query deleted config. The default sql: SELECT DISTINCT data_id, group_id, tenant_id FROM his_config_info WHERE
       * op_type = 'D' AND gmt_modified >=? AND gmt_modified <= ?
       *
       * @param context sql paramMap
       * @return The sql of querying deleted config.
       */
      default MapperResult findDeletedConfig(MapperContext context) {
          return new MapperResult(
                  "SELECT id, nid, data_id, group_id, app_name, content, md5, gmt_create, gmt_modified, src_user, src_ip, op_type, tenant_id, "
                          + "publish_type, gray_name, ext_info, encrypted_data_key FROM his_config_info WHERE op_type = 'D' AND "
                          + "publish_type = ? and gmt_modified >= ? and nid > ? order by nid limit ? ",
                  CollectionUtils.list(context.getWhereParameter(FieldConstant.PUBLISH_TYPE),
                          context.getWhereParameter(FieldConstant.START_TIME),
                          context.getWhereParameter(FieldConstant.LAST_MAX_ID),
                          context.getWhereParameter(FieldConstant.PAGE_SIZE)));
      }
      
      /**
       * List configuration history change record. The default sql: SELECT
       * nid,data_id,group_id,tenant_id,app_name,src_ip,src_user,op_type,gmt_create,gmt_modified FROM his_config_info
       * WHERE data_id = ? AND group_id = ? AND tenant_id = ? ORDER BY nid DESC
       *
       * @param context sql paramMap
       * @return The sql of listing configuration history change record.
       */
      default MapperResult findConfigHistoryFetchRows(MapperContext context) {
          return new MapperResult(
                  "SELECT nid,data_id,group_id,tenant_id,app_name,src_ip,src_user,publish_type,gray_name,op_type,"
                          + "gmt_create,gmt_modified FROM his_config_info "
                          + "WHERE data_id = ? AND group_id = ? AND tenant_id = ? ORDER BY nid DESC",
                  CollectionUtils.list(context.getWhereParameter(FieldConstant.DATA_ID),
                          context.getWhereParameter(FieldConstant.GROUP_ID),
                          context.getWhereParameter(FieldConstant.TENANT_ID)));
      }
      
      /**
       * page search List configuration history. SELECT
       * nid,data_id,group_id,tenant_id,app_name,src_ip,src_user,op_type,gmt_create,gmt_modified FROM his_config_info
       * WHERE data_id = ? AND group_id = ? AND tenant_id = ? ORDER BY nid DESC limit ?,?
       *
       * @param context pageNo
       * @return
       */
      MapperResult pageFindConfigHistoryFetchRows(MapperContext context);
      
      /**
       * Get previous config detail. The default sql: SELECT
       * nid,data_id,group_id,tenant_id,app_name,content,md5,src_user,src_ip,op_type,gmt_create,gmt_modified FROM
       * his_config_info WHERE nid = (SELECT max(nid) FROM his_config_info WHERE id = ?)
       *
       * @param context sql paramMap
       * @return The sql of getting previous config detail.
       */
      default MapperResult detailPreviousConfigHistory(MapperContext context) {
          return new MapperResult(
                  "SELECT nid,data_id,group_id,tenant_id,app_name,content,md5,src_user,src_ip,op_type,publish_type,gray_name,ext_info,gmt_create"
                          + ",gmt_modified,encrypted_data_key FROM his_config_info WHERE nid = (SELECT max(nid) FROM his_config_info WHERE id = ?)",
                  Collections.singletonList(context.getWhereParameter(FieldConstant.ID)));
      }
      
      /**
       * 获取返回表名.
       *
       * @return 表名
       */
      default String getTableName() {
          return TableConstant.HIS_CONFIG_INFO;
      }
  
      /**
       * Get updated history config detail of the history config. The default sql: SELECT
       * nid,data_id,group_id,tenant_id,app_name,content,md5,src_user,src_ip,op_type,gmt_create,gmt_modified FROM
       * his_config_info WHERE data_id = ? AND group_id = ? AND tenant_id = ? AND publish_type = ? AND gray_name = ?
       * AND nid > ? ORDER BY nid LIMIT 1
       *
       * @param context sql paramMap
       * @return The sql of getting the next history config detail of the history config.
       */
      default MapperResult getNextHistoryInfo(MapperContext context) {
          String sql = "SELECT nid,data_id,group_id,tenant_id,app_name,content,md5,src_user,src_ip,op_type,publish_type,"
                  + "gray_name,ext_info,gmt_create,gmt_modified,encrypted_data_key FROM his_config_info "
                  + "WHERE data_id = ? AND group_id = ? AND tenant_id = ? AND publish_type = ? "
                  + (StringUtils.isBlank(context.getContextParameter(FieldConstant.GRAY_NAME)) ? "" : "AND gray_name = ? ")
                  + "AND nid > ? ORDER BY nid LIMIT 1";
  
          List<Object> paramList = CollectionUtils.list(
                  context.getWhereParameter(FieldConstant.DATA_ID),
                  context.getWhereParameter(FieldConstant.GROUP_ID),
                  context.getWhereParameter(FieldConstant.TENANT_ID),
                  context.getWhereParameter(FieldConstant.PUBLISH_TYPE),
                  context.getWhereParameter(FieldConstant.NID));
          if (!StringUtils.isEmpty(context.getContextParameter(FieldConstant.GRAY_NAME))) {
              paramList.add(4, context.getWhereParameter(FieldConstant.GRAY_NAME));
          }
  
          return new MapperResult(sql, paramList);
      }
  }
  