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.config.server.service.repository.extrnal;
  
  import com.alibaba.nacos.common.utils.MD5Utils;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.config.server.constant.Constants;
  import com.alibaba.nacos.config.server.model.ConfigInfo;
  import com.alibaba.nacos.config.server.model.ConfigInfoStateWrapper;
  import com.alibaba.nacos.config.server.model.ConfigInfoTagWrapper;
  import com.alibaba.nacos.config.server.model.ConfigOperateResult;
  import com.alibaba.nacos.config.server.service.repository.ConfigInfoTagPersistService;
  import com.alibaba.nacos.config.server.utils.LogUtil;
  import com.alibaba.nacos.persistence.configuration.condition.ConditionOnExternalStorage;
  import com.alibaba.nacos.persistence.datasource.DataSourceService;
  import com.alibaba.nacos.persistence.datasource.DynamicDataSource;
  import com.alibaba.nacos.api.model.Page;
  import com.alibaba.nacos.persistence.repository.PaginationHelper;
  import com.alibaba.nacos.persistence.repository.extrnal.ExternalStoragePaginationHelperImpl;
  import com.alibaba.nacos.plugin.datasource.MapperManager;
  import com.alibaba.nacos.plugin.datasource.constants.CommonConstant;
  import com.alibaba.nacos.plugin.datasource.constants.FieldConstant;
  import com.alibaba.nacos.plugin.datasource.constants.TableConstant;
  import com.alibaba.nacos.plugin.datasource.mapper.ConfigInfoTagMapper;
  import com.alibaba.nacos.plugin.datasource.model.MapperContext;
  import com.alibaba.nacos.plugin.datasource.model.MapperResult;
  import com.alibaba.nacos.sys.env.EnvUtil;
  import org.springframework.context.annotation.Conditional;
  import org.springframework.dao.EmptyResultDataAccessException;
  import org.springframework.jdbc.CannotGetJdbcConnectionException;
  import org.springframework.jdbc.core.JdbcTemplate;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.support.TransactionTemplate;
  
  import java.sql.Timestamp;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  
  import static com.alibaba.nacos.config.server.service.repository.ConfigRowMapperInjector.CONFIG_INFO_STATE_WRAPPER_ROW_MAPPER;
  import static com.alibaba.nacos.config.server.service.repository.ConfigRowMapperInjector.CONFIG_INFO_TAG_WRAPPER_ROW_MAPPER;
  
  /**
   * ExternalConfigInfoTagPersistServiceImpl.
   *
   * @author lixiaoshuang
   */
  @SuppressWarnings(value = {"PMD.MethodReturnWrapperTypeRule", "checkstyle:linelength"})
  @Conditional(value = ConditionOnExternalStorage.class)
  @Service("externalConfigInfoTagPersistServiceImpl")
  public class ExternalConfigInfoTagPersistServiceImpl implements ConfigInfoTagPersistService {
      
      private DataSourceService dataSourceService;
      
      protected JdbcTemplate jt;
      
      protected TransactionTemplate tjt;
      
      private MapperManager mapperManager;
      
      public ExternalConfigInfoTagPersistServiceImpl() {
          this.dataSourceService = DynamicDataSource.getInstance().getDataSource();
          this.jt = dataSourceService.getJdbcTemplate();
          this.tjt = dataSourceService.getTransactionTemplate();
          Boolean isDataSourceLogEnable = EnvUtil.getProperty(CommonConstant.NACOS_PLUGIN_DATASOURCE_LOG, Boolean.class,
                  false);
          this.mapperManager = MapperManager.instance(isDataSourceLogEnable);
      }
      
      @Override
      public <E> PaginationHelper<E> createPaginationHelper() {
          return new ExternalStoragePaginationHelperImpl<>(jt);
      }
      
      @Override
      public ConfigInfoStateWrapper findConfigInfo4TagState(final String dataId, final String group, final String tenant,
              String tag) {
          ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                  TableConstant.CONFIG_INFO_TAG);
          String tenantTmp = StringUtils.isBlank(tenant) ? StringUtils.EMPTY : tenant;
          try {
              return this.jt.queryForObject(
                      configInfoTagMapper.select(Arrays.asList("id", "data_id", "group_id", "tenant_id", "gmt_modified"),
                              Arrays.asList("data_id", "group_id", "tenant_id", "tag_id")),
                      new Object[] {dataId, group, tenantTmp, tag}, CONFIG_INFO_STATE_WRAPPER_ROW_MAPPER);
          } catch (EmptyResultDataAccessException e) {
              return null;
          }
      }
      
      private ConfigOperateResult getTagOperateResult(String dataId, String group, String tenant, String tag) {
          String tenantTmp = StringUtils.isBlank(tenant) ? StringUtils.EMPTY : tenant;
          
          ConfigInfoStateWrapper configInfo4Tag = this.findConfigInfo4TagState(dataId, group, tenantTmp, tag);
          if (configInfo4Tag == null) {
              return new ConfigOperateResult(false);
          }
          return new ConfigOperateResult(configInfo4Tag.getId(), configInfo4Tag.getLastModified());
          
      }
      
      @Override
      public ConfigOperateResult addConfigInfo4Tag(ConfigInfo configInfo, String tag, String srcIp, String srcUser) {
          String appNameTmp = StringUtils.defaultEmptyIfBlank(configInfo.getAppName());
          String tenantTmp = StringUtils.defaultEmptyIfBlank(configInfo.getTenant());
          String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag.trim();
          String md5 = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
          try {
              ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                      TableConstant.CONFIG_INFO_TAG);
              Timestamp time = new Timestamp(System.currentTimeMillis());
              
              jt.update(configInfoTagMapper.insert(
                              Arrays.asList("data_id", "group_id", "tenant_id", "tag_id", "app_name", "content", "md5", "src_ip",
                                      "src_user", "gmt_create", "gmt_modified")), configInfo.getDataId(), configInfo.getGroup(),
                      tenantTmp, tagTmp, appNameTmp, configInfo.getContent(), md5, srcIp, srcUser, time, time);
              return getTagOperateResult(configInfo.getDataId(), configInfo.getGroup(), tenantTmp, tagTmp);
              
          } catch (CannotGetJdbcConnectionException e) {
              LogUtil.FATAL_LOG.error("[db-error] " + e, e);
              throw e;
          }
      }
      
      @Override
      public ConfigOperateResult insertOrUpdateTag(final ConfigInfo configInfo, final String tag, final String srcIp,
              final String srcUser) {
          if (findConfigInfo4TagState(configInfo.getDataId(), configInfo.getGroup(), configInfo.getTenant(), tag)
                  == null) {
              return addConfigInfo4Tag(configInfo, tag, srcIp, srcUser);
          } else {
              return updateConfigInfo4Tag(configInfo, tag, srcIp, srcUser);
          }
      }
      
      @Override
      public ConfigOperateResult insertOrUpdateTagCas(final ConfigInfo configInfo, final String tag, final String srcIp,
              final String srcUser) {
          if (findConfigInfo4TagState(configInfo.getDataId(), configInfo.getGroup(), configInfo.getTenant(), tag)
                  == null) {
              return addConfigInfo4Tag(configInfo, tag, srcIp, srcUser);
          } else {
              return updateConfigInfo4TagCas(configInfo, tag, srcIp, srcUser);
          }
      }
      
      @Override
      public void removeConfigInfoTag(final String dataId, final String group, final String tenant, final String tag,
              final String srcIp, final String srcUser) {
          String tenantTmp = StringUtils.isBlank(tenant) ? StringUtils.EMPTY : tenant;
          String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag;
          try {
              ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                      TableConstant.CONFIG_INFO_TAG);
              jt.update(configInfoTagMapper.delete(Arrays.asList("data_id", "group_id", "tenant_id", "tag_id")), dataId,
                      group, tenantTmp, tagTmp);
          } catch (CannotGetJdbcConnectionException e) {
              LogUtil.FATAL_LOG.error("[db-error] " + e, e);
              throw e;
          }
      }
      
      @Override
      public ConfigOperateResult updateConfigInfo4Tag(ConfigInfo configInfo, String tag, String srcIp, String srcUser) {
          String appNameTmp = StringUtils.defaultEmptyIfBlank(configInfo.getAppName());
          String tenantTmp = StringUtils.defaultEmptyIfBlank(configInfo.getTenant());
          String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag.trim();
          try {
              String md5 = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
              ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                      TableConstant.CONFIG_INFO_TAG);
              Timestamp time = new Timestamp(System.currentTimeMillis());
              jt.update(configInfoTagMapper.update(
                              Arrays.asList("content", "md5", "src_ip", "src_user", "gmt_modified", "app_name"),
                              Arrays.asList("data_id", "group_id", "tenant_id", "tag_id")), configInfo.getContent(), md5, srcIp,
                      srcUser, time, appNameTmp, configInfo.getDataId(), configInfo.getGroup(), tenantTmp, tagTmp);
              return getTagOperateResult(configInfo.getDataId(), configInfo.getGroup(), tenantTmp, tagTmp);
              
          } catch (CannotGetJdbcConnectionException e) {
              LogUtil.FATAL_LOG.error("[db-error] " + e, e);
              throw e;
          }
      }
      
      @Override
      public ConfigOperateResult updateConfigInfo4TagCas(ConfigInfo configInfo, String tag, String srcIp,
              String srcUser) {
          String appNameTmp = StringUtils.defaultEmptyIfBlank(configInfo.getAppName());
          String tenantTmp = StringUtils.defaultEmptyIfBlank(configInfo.getTenant());
          String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag.trim();
          try {
              String md5 = MD5Utils.md5Hex(configInfo.getContent(), Constants.ENCODE);
              ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                      TableConstant.CONFIG_INFO_TAG);
              Timestamp time = new Timestamp(System.currentTimeMillis());
              
              MapperContext context = new MapperContext();
              context.putUpdateParameter(FieldConstant.CONTENT, configInfo.getContent());
              context.putUpdateParameter(FieldConstant.MD5, md5);
              context.putUpdateParameter(FieldConstant.SRC_IP, srcIp);
              context.putUpdateParameter(FieldConstant.SRC_USER, srcUser);
              context.putUpdateParameter(FieldConstant.GMT_MODIFIED, time);
              context.putUpdateParameter(FieldConstant.APP_NAME, appNameTmp);
              
              context.putWhereParameter(FieldConstant.DATA_ID, configInfo.getDataId());
              context.putWhereParameter(FieldConstant.GROUP_ID, configInfo.getGroup());
              context.putWhereParameter(FieldConstant.TENANT_ID, tenantTmp);
              context.putWhereParameter(FieldConstant.TAG_ID, tagTmp);
              context.putWhereParameter(FieldConstant.MD5, configInfo.getMd5());
              
              final MapperResult mapperResult = configInfoTagMapper.updateConfigInfo4TagCas(context);
              
              boolean success = jt.update(mapperResult.getSql(), mapperResult.getParamList().toArray()) > 0;
              if (success) {
                  return getTagOperateResult(configInfo.getDataId(), configInfo.getGroup(), tenantTmp, tagTmp);
              } else {
                  return new ConfigOperateResult(false);
              }
          } catch (CannotGetJdbcConnectionException e) {
              LogUtil.FATAL_LOG.error("[db-error] " + e, e);
              throw e;
          }
      }
      
      @Override
      public ConfigInfoTagWrapper findConfigInfo4Tag(final String dataId, final String group, final String tenant,
              final String tag) {
          String tenantTmp = StringUtils.isBlank(tenant) ? StringUtils.EMPTY : tenant;
          String tagTmp = StringUtils.isBlank(tag) ? StringUtils.EMPTY : tag.trim();
          try {
              ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                      TableConstant.CONFIG_INFO_TAG);
              return this.jt.queryForObject(configInfoTagMapper.select(
                              Arrays.asList("id", "data_id", "group_id", "tenant_id", "tag_id", "app_name", "content",
                                      "gmt_modified"), Arrays.asList("data_id", "group_id", "tenant_id", "tag_id")),
                      new Object[] {dataId, group, tenantTmp, tagTmp}, CONFIG_INFO_TAG_WRAPPER_ROW_MAPPER);
          } catch (EmptyResultDataAccessException e) { // Indicates that the data does not exist, returns null.
              return null;
          } catch (CannotGetJdbcConnectionException e) {
              LogUtil.FATAL_LOG.error("[db-error] " + e, e);
              throw e;
          }
      }
      
      @Override
      public int configInfoTagCount() {
          ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                  TableConstant.CONFIG_INFO_TAG);
          String sql = configInfoTagMapper.count(null);
          Integer result = jt.queryForObject(sql, Integer.class);
          if (result == null) {
              throw new IllegalArgumentException("configInfoTagCount error");
          }
          return result;
      }
      
      @Override
      public Page<ConfigInfoTagWrapper> findAllConfigInfoTagForDumpAll(final int pageNo, final int pageSize) {
          final int startRow = (pageNo - 1) * pageSize;
          ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                  TableConstant.CONFIG_INFO_TAG);
          String sqlCountRows = configInfoTagMapper.count(null);
          MapperResult sqlFetchRows = configInfoTagMapper.findAllConfigInfoTagForDumpAllFetchRows(
                  new MapperContext(startRow, pageSize));
          
          PaginationHelper<ConfigInfoTagWrapper> helper = createPaginationHelper();
          
          try {
              return helper.fetchPageLimit(sqlCountRows, sqlFetchRows.getSql(), sqlFetchRows.getParamList().toArray(),
                      pageNo, pageSize, CONFIG_INFO_TAG_WRAPPER_ROW_MAPPER);
              
          } catch (CannotGetJdbcConnectionException e) {
              LogUtil.FATAL_LOG.error("[db-error] " + e, e);
              throw e;
          }
      }
      
      @Override
      public List<String> findConfigInfoTags(final String dataId, final String group, final String tenant) {
          String tenantTmp = StringUtils.isBlank(tenant) ? StringUtils.EMPTY : tenant;
          ConfigInfoTagMapper configInfoTagMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                  TableConstant.CONFIG_INFO_TAG);
          String selectSql = configInfoTagMapper.select(Collections.singletonList("tag_id"),
                  Arrays.asList("data_id", "group_id", "tenant_id"));
          return jt.queryForList(selectSql, new Object[] {dataId, group, tenantTmp}, String.class);
      }
      
  }
  