531 lines
26 KiB
Java
531 lines
26 KiB
Java
package io.dataease.service.panel;
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import com.alibaba.fastjson.JSON;
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import io.dataease.auth.annotation.DeCleaner;
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import io.dataease.commons.constants.*;
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import io.dataease.commons.utils.AuthUtils;
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import io.dataease.commons.utils.LogUtil;
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import io.dataease.commons.utils.TreeUtils;
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import io.dataease.controller.request.authModel.VAuthModelRequest;
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import io.dataease.controller.request.dataset.DataSetTableRequest;
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import io.dataease.controller.request.panel.PanelGroupQueryRequest;
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import io.dataease.controller.request.panel.PanelGroupRequest;
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import io.dataease.controller.request.panel.PanelViewDetailsRequest;
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import io.dataease.dto.PanelGroupExtendDataDTO;
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import io.dataease.dto.authModel.VAuthModelDTO;
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import io.dataease.dto.chart.ChartViewDTO;
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import io.dataease.dto.dataset.DataSetTableDTO;
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import io.dataease.dto.panel.PanelGroupDTO;
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import io.dataease.dto.panel.po.PanelViewInsertDTO;
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import io.dataease.excel.utils.EasyExcelExporter;
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import io.dataease.exception.DataEaseException;
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import io.dataease.ext.*;
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import io.dataease.i18n.Translator;
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import io.dataease.listener.util.CacheUtils;
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import io.dataease.plugins.common.base.domain.*;
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import io.dataease.plugins.common.base.mapper.*;
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import io.dataease.service.chart.ChartViewService;
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import io.dataease.service.dataset.DataSetTableService;
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import io.dataease.service.sys.SysAuthService;
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import org.apache.commons.collections4.CollectionUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.poi.hssf.usermodel.*;
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import org.apache.poi.ss.usermodel.*;
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import org.pentaho.di.core.util.UUIDUtil;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.stereotype.Service;
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import org.springframework.util.Assert;
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import org.springframework.util.Base64Utils;
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import javax.annotation.Resource;
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import javax.imageio.ImageIO;
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import javax.servlet.http.HttpServletResponse;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.net.URL;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* Author: wangjiahao
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* Date: 2021-03-05
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* Description:
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*/
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@Service
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public class PanelGroupService {
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private final Logger LOGGER = LoggerFactory.getLogger(this.getClass());
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private final static String DATA_URL_TITLE = "data:image/jpeg;base64,";
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@Resource
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private PanelGroupMapper panelGroupMapper;
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@Resource
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private ExtPanelGroupMapper extPanelGroupMapper;
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@Resource
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private ChartViewService chartViewService;
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@Resource
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private ChartViewMapper chartViewMapper;
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@Resource
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private StoreService storeService;
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@Resource
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private ShareService shareService;
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@Resource
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private PanelLinkService panelLinkService;
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@Resource
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private SysAuthService sysAuthService;
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@Resource
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private PanelViewService panelViewService;
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@Resource
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private ExtPanelLinkJumpMapper extPanelLinkJumpMapper;
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@Resource
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private ExtVAuthModelMapper extVAuthModelMapper;
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@Resource
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private VAuthModelMapper vAuthModelMapper;
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@Resource
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private PanelViewMapper panelViewMapper;
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@Resource
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private ExtPanelViewMapper extPanelViewMapper;
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@Resource
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private ExtPanelViewLinkageMapper extPanelViewLinkageMapper;
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@Resource
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private ExtChartViewMapper extChartViewMapper;
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@Resource
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private ExtDataSetTableMapper extDataSetTableMapper;
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@Resource
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private DataSetTableService dataSetTableService;
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@Resource
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private PanelTemplateMapper templateMapper;
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@Resource
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private ExtPanelGroupExtendDataMapper extPanelGroupExtendDataMapper;
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public List<PanelGroupDTO> tree(PanelGroupRequest panelGroupRequest) {
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String userId = String.valueOf(AuthUtils.getUser().getUserId());
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panelGroupRequest.setUserId(userId);
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List<PanelGroupDTO> panelGroupDTOList = extPanelGroupMapper.panelGroupList(panelGroupRequest);
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return TreeUtils.mergeTree(panelGroupDTOList, "panel_list");
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}
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public List<PanelGroupDTO> defaultTree(PanelGroupRequest panelGroupRequest) {
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String userId = String.valueOf(AuthUtils.getUser().getUserId());
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panelGroupRequest.setUserId(userId);
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List<PanelGroupDTO> panelGroupDTOList = extPanelGroupMapper.panelGroupListDefault(panelGroupRequest);
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return TreeUtils.mergeTree(panelGroupDTOList, "default_panel");
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}
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@DeCleaner(DePermissionType.PANEL)
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public PanelGroup saveOrUpdate(PanelGroupRequest request) {
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String userName = AuthUtils.getUser().getUsername();
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String panelId = request.getId();
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if (StringUtils.isNotEmpty(panelId)) {
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panelViewService.syncPanelViews(request);
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}
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if (StringUtils.isEmpty(panelId)) { // 新建
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checkPanelName(request.getName(), request.getPid(), PanelConstants.OPT_TYPE_INSERT, null, request.getNodeType());
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panelId = newPanel(request);
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panelGroupMapper.insert(request);
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// 清理权限缓存
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clearPermissionCache();
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sysAuthService.copyAuth(panelId, SysAuthConstants.AUTH_SOURCE_TYPE_PANEL);
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} else if ("toDefaultPanel".equals(request.getOptType())) { // 转存为默认仪表板
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panelId = UUID.randomUUID().toString();
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PanelGroupWithBLOBs newDefaultPanel = panelGroupMapper.selectByPrimaryKey(request.getId());
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newDefaultPanel.setPanelType(PanelConstants.PANEL_TYPE.SYSTEM);
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newDefaultPanel.setNodeType(PanelConstants.PANEL_NODE_TYPE_PANEL);
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newDefaultPanel.setName(request.getName());
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newDefaultPanel.setId(panelId);
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newDefaultPanel.setPid(PanelConstants.PANEL_GATHER_DEFAULT_PANEL);
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newDefaultPanel.setLevel(0);
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newDefaultPanel.setSource(request.getId());
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newDefaultPanel.setCreateBy(AuthUtils.getUser().getUsername());
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checkPanelName(newDefaultPanel.getName(), newDefaultPanel.getPid(), PanelConstants.OPT_TYPE_INSERT, newDefaultPanel.getId(), newDefaultPanel.getNodeType());
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panelGroupMapper.insertSelective(newDefaultPanel);
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// 清理权限缓存
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clearPermissionCache();
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sysAuthService.copyAuth(panelId, SysAuthConstants.AUTH_SOURCE_TYPE_PANEL);
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} else if ("copy".equals(request.getOptType())) {
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panelId = this.panelGroupCopy(request, null, true);
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// 清理权限缓存
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clearPermissionCache();
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sysAuthService.copyAuth(panelId, SysAuthConstants.AUTH_SOURCE_TYPE_PANEL);
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} else if ("move".equals(request.getOptType())) {
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PanelGroupWithBLOBs panelInfo = panelGroupMapper.selectByPrimaryKey(request.getId());
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if (panelInfo.getPid().equalsIgnoreCase(request.getPid())) {
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DataEaseException.throwException(Translator.get("i18n_select_diff_folder"));
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}
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// 移动校验
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if (StringUtils.isNotEmpty(request.getName())) {
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checkPanelName(request.getName(), request.getPid(), PanelConstants.OPT_TYPE_INSERT, request.getId(), panelInfo.getNodeType());
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}
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PanelGroupWithBLOBs record = new PanelGroupWithBLOBs();
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record.setName(request.getName());
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record.setId(request.getId());
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record.setPid(request.getPid());
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panelGroupMapper.updateByPrimaryKeySelective(record);
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} else {
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// 更新
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if (StringUtils.isNotEmpty(request.getName())) {
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checkPanelName(request.getName(), request.getPid(), PanelConstants.OPT_TYPE_UPDATE, request.getId(), request.getNodeType());
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}
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panelGroupMapper.updateByPrimaryKeySelective(request);
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}
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//带有权限的返回
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PanelGroupRequest authRequest = new PanelGroupRequest();
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authRequest.setId(panelId);
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authRequest.setUserId(String.valueOf(AuthUtils.getUser().getUserId()));
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List<PanelGroupDTO> panelGroupDTOList = extPanelGroupMapper.panelGroupList(authRequest);
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if (!CollectionUtils.isNotEmpty(panelGroupDTOList)) {
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DataEaseException.throwException("未查询到用户对应的资源权限，请尝试刷新重新保存");
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}
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return panelGroupDTOList.get(0);
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}
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private void checkPanelName(String name, String pid, String optType, String id, String nodeType) {
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PanelGroupExample groupExample = new PanelGroupExample();
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if (PanelConstants.OPT_TYPE_INSERT.equalsIgnoreCase(optType)) {
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groupExample.createCriteria().andPidEqualTo(pid).andNameEqualTo(name).andNodeTypeEqualTo(nodeType);
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} else if (PanelConstants.OPT_TYPE_UPDATE.equalsIgnoreCase(optType)) {
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groupExample.createCriteria().andPidEqualTo(pid).andNameEqualTo(name).andIdNotEqualTo(id).andNodeTypeEqualTo(nodeType);
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}
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List<PanelGroup> checkResult = panelGroupMapper.selectByExample(groupExample);
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if (CollectionUtils.isNotEmpty(checkResult)) {
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DataEaseException.throwException(Translator.get("i18n_same_folder_can_not_repeat"));
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}
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}
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public void deleteCircle(String id) {
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Assert.notNull(id, "id cannot be null");
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sysAuthService.checkTreeNoManageCount("panel", id);
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//清理view 和 view cache
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extPanelGroupMapper.deleteCircleView(id);
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extPanelGroupMapper.deleteCircleViewCache(id);
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// 同时会删除对应默认仪表盘
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extPanelGroupMapper.deleteCircle(id);
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storeService.removeByPanelId(id);
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shareService.delete(id, null);
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panelLinkService.deleteByResourceId(id);
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//清理跳转信息
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extPanelLinkJumpMapper.deleteJumpTargetViewInfoWithPanel(id);
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extPanelLinkJumpMapper.deleteJumpInfoWithPanel(id);
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extPanelLinkJumpMapper.deleteJumpWithPanel(id);
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}
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/**
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* @Description 查询仪表板信息
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* @param panelId
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* @return
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*/
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public PanelGroupDTO findOne(String panelId) {
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Assert.notNull(panelId,"Method findOne panelId can not be null");
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PanelGroupDTO panelGroup = extPanelGroupMapper.findOneWithPrivileges(panelId, String.valueOf(AuthUtils.getUser().getUserId()));
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// 默认仪表板取源仪表板样式
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if (panelGroup != null && StringUtils.isNotEmpty(panelGroup.getSource())) {
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PanelGroupDTO sourcePanel = extPanelGroupMapper.findOneWithPrivileges(panelGroup.getSource(), String.valueOf(AuthUtils.getUser().getUserId()));
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panelGroup.setPanelData(sourcePanel.getPanelData());
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panelGroup.setPanelStyle(sourcePanel.getPanelStyle());
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panelGroup.setSourcePanelName(sourcePanel.getName());
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}
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return panelGroup;
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}
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public List<ChartViewDTO> getUsableViews() throws Exception {
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List<ChartViewDTO> chartViewDTOList = new ArrayList<>();
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List<ChartView> allChartView = chartViewMapper.selectByExample(null);
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Optional.ofNullable(allChartView).orElse(new ArrayList<>()).forEach(chartView -> {
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try {
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chartViewDTOList.add(chartViewService.getData(chartView.getId(), null));
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} catch (Exception e) {
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LOGGER.error("获取view详情出错：" + chartView.getId(), e);
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}
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});
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return chartViewDTOList;
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}
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public List<VAuthModelDTO> queryPanelViewTree() {
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List<VAuthModelDTO> result = new ArrayList<>();
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VAuthModelRequest panelRequest = new VAuthModelRequest();
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panelRequest.setUserId(String.valueOf(AuthUtils.getUser().getUserId()));
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panelRequest.setModelType("panel");
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List<VAuthModelDTO> panelResult = extVAuthModelMapper.queryAuthModel(panelRequest);
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// 获取仪表板下面的视图
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if (CollectionUtils.isNotEmpty(panelResult)) {
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result.addAll(panelResult);
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List<String> panelIds = panelResult.stream().map(VAuthModelDTO::getId).collect(Collectors.toList());
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VAuthModelRequest viewRequest = new VAuthModelRequest();
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viewRequest.setPids(panelIds);
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List<VAuthModelDTO> viewResult = extVAuthModelMapper.queryAuthModelViews(viewRequest);
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if (CollectionUtils.isNotEmpty(viewResult)) {
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result.addAll(viewResult);
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}
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result = TreeUtils.mergeTree(result, "panel_list");
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if (AuthUtils.getUser().getIsAdmin()) {
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// 原有视图的目录结构
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List<VAuthModelDTO> viewOriginal = extVAuthModelMapper.queryAuthViewsOriginal(viewRequest);
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if (CollectionUtils.isNotEmpty(viewOriginal) && viewOriginal.size() > 1) {
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result.addAll(TreeUtils.mergeTree(viewOriginal, "public_chart"));
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}
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}
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}
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return result;
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}
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public String panelGroupCopy(PanelGroupRequest request, String newPanelId, boolean checkName) {
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String sourcePanelId = request.getId(); //源仪表板ID
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if (StringUtils.isEmpty(newPanelId)) {
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newPanelId = UUIDUtil.getUUIDAsString(); //目标仪表板ID
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}
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String copyId = UUIDUtil.getUUIDAsString(); // 本次复制执行ID
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// 复制仪表板
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PanelGroupWithBLOBs newPanel = panelGroupMapper.selectByPrimaryKey(sourcePanelId);
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if (checkName && StringUtils.isNotEmpty(request.getName())) {
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// 插入校验
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checkPanelName(request.getName(), newPanel.getPid(), PanelConstants.OPT_TYPE_INSERT, request.getId(), newPanel.getNodeType());
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}
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newPanel.setName(request.getName());
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newPanel.setId(newPanelId);
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newPanel.setCreateBy(AuthUtils.getUser().getUsername());
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//TODO copy panelView
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extPanelViewMapper.copyFromPanel(newPanelId, sourcePanelId, copyId);
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//TODO 复制视图 chart_view
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extChartViewMapper.chartCopyWithPanel(copyId);
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//TODO 替换panel_data viewId 数据
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List<PanelView> panelViewList = panelViewService.findPanelViews(copyId);
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//TODO 复制模板缓存数据
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extPanelGroupExtendDataMapper.copyWithCopyId(copyId);
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if (CollectionUtils.isNotEmpty(panelViewList)) {
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String panelData = newPanel.getPanelData();
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//TODO 替换panel_data viewId 数据 并保存
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for (PanelView panelView : panelViewList) {
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panelData = panelData.replaceAll(panelView.getCopyFromView(), panelView.getChartViewId());
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}
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newPanel.setPanelData(panelData);
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//TODO 复制跳转信息 copy panel_link_jump panel_link_jump_info panel_link_jump_target_view_info
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extPanelLinkJumpMapper.copyLinkJump(copyId);
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extPanelLinkJumpMapper.copyLinkJumpInfo(copyId);
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extPanelLinkJumpMapper.copyLinkJumpTarget(copyId);
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//TODO 复制联动信息 copy panel_view_linkage_field panel_view_linkage
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extPanelViewLinkageMapper.copyViewLinkage(copyId);
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extPanelViewLinkageMapper.copyViewLinkageField(copyId);
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}
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panelGroupMapper.insertSelective(newPanel);
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return newPanelId;
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}
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public String newPanel(PanelGroupRequest request) {
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String newPanelId = UUIDUtil.getUUIDAsString();
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String newFrom = request.getNewFrom();
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String templateStyle = null;
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String templateData = null;
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String dynamicData = null;
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if (PanelConstants.NEW_PANEL_FROM.NEW.equals(newFrom)) {
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} else {
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//内部模板新建
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if (PanelConstants.NEW_PANEL_FROM.NEW_INNER_TEMPLATE.equals(newFrom)) {
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PanelTemplateWithBLOBs panelTemplate = templateMapper.selectByPrimaryKey(request.getTemplateId());
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templateStyle = panelTemplate.getTemplateStyle();
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templateData = panelTemplate.getTemplateData();
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dynamicData = panelTemplate.getDynamicData();
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} else if (PanelConstants.NEW_PANEL_FROM.NEW_OUTER_TEMPLATE.equals(newFrom)) {
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templateStyle = request.getPanelStyle();
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templateData = request.getPanelData();
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dynamicData = request.getDynamicData();
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}
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Map<String, String> dynamicDataMap = JSON.parseObject(dynamicData, Map.class);
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List<PanelViewInsertDTO> panelViews = new ArrayList<>();
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List<PanelGroupExtendDataDTO> viewsData = new ArrayList<>();
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for (Map.Entry<String, String> entry : dynamicDataMap.entrySet()) {
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String originViewId = entry.getKey();
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String originViewData = entry.getValue();
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ChartViewDTO chartView = JSON.parseObject(originViewData, ChartViewDTO.class);
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String position = chartView.getPosition();
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String newViewId = UUIDUtil.getUUIDAsString();
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chartView.setId(newViewId);
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chartView.setSceneId(newPanelId);
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chartView.setDataFrom(CommonConstants.VIEW_DATA_FROM.TEMPLATE);
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//TODO 数据处理 1.替换viewId 2.加入panelView 数据(数据来源为template) 3.加入模板view data数据
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templateData = templateData.replaceAll(originViewId, newViewId);
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panelViews.add(new PanelViewInsertDTO(newViewId, newPanelId, position));
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viewsData.add(new PanelGroupExtendDataDTO(newPanelId, newViewId, originViewData));
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chartViewMapper.insertSelective(chartView);
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extChartViewMapper.copyToCache(newViewId);
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}
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if (CollectionUtils.isNotEmpty(panelViews)) {
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extPanelViewMapper.savePanelView(panelViews);
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extPanelGroupExtendDataMapper.savePanelExtendData(viewsData);
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}
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request.setPanelData(templateData);
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request.setPanelStyle(templateStyle);
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}
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request.setId(newPanelId);
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request.setCreateTime(System.currentTimeMillis());
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request.setCreateBy(AuthUtils.getUser().getUsername());
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return newPanelId;
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}
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public void sysInit1HistoryPanel() {
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LogUtil.info("=====v1.8版本 仪表板私有化【开始】=====");
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List<PanelGroupDTO> needInitPanels = extPanelGroupMapper.panelGroupInit();
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for (PanelGroupDTO panelGroupDTO : needInitPanels) {
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LogUtil.info("==>" + panelGroupDTO.getName() + "&" + panelGroupDTO.getId());
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String sourcePanelId = panelGroupDTO.getId(); //仪表板ID
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String copyId = UUIDUtil.getUUIDAsString(); // 本次复制执行ID
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//TODO copy panelView
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extPanelViewMapper.copyFromPanel(sourcePanelId, sourcePanelId, copyId);
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//TODO 复制视图 chart_view
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extChartViewMapper.chartCopyWithPanel(copyId);
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//TODO 替换panel_data viewId 数据
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List<PanelView> panelViewList = panelViewService.findPanelViews(copyId);
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String panelData = panelGroupDTO.getPanelData();
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if (CollectionUtils.isNotEmpty(panelViewList) && StringUtils.isNotEmpty(panelData)) {
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PanelView panelViewtemp = new PanelView();
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try {
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//TODO 替换panel_data viewId 数据 并保存
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for (PanelView panelView : panelViewList) {
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panelViewtemp = panelView;
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panelData = panelData.replaceAll(panelView.getCopyFromView(), panelView.getChartViewId());
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}
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panelGroupDTO.setPanelData(panelData);
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panelGroupMapper.updateByPrimaryKeySelective(panelGroupDTO);
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//TODO 复制跳转信息 copy panel_link_jump panel_link_jump_info panel_link_jump_target_view_info
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extPanelLinkJumpMapper.copyLinkJump(copyId);
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extPanelLinkJumpMapper.copyLinkJumpInfo(copyId);
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extPanelLinkJumpMapper.copyLinkJumpTarget(copyId);
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//TODO 复制联动信息 copy panel_view_linkage_field panel_view_linkage
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extPanelViewLinkageMapper.copyViewLinkage(copyId);
|
||
extPanelViewLinkageMapper.copyViewLinkageField(copyId);
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
System.out.println("错误===》panel:" + panelGroupDTO.getId() + ";panelView:" + JSON.toJSONString(panelViewtemp));
|
||
}
|
||
}
|
||
}
|
||
//TODO 清理已经复制过的Panel_view
|
||
PanelViewExample clearViewExample = new PanelViewExample();
|
||
clearViewExample.createCriteria().andCopyFromIsNull();
|
||
panelViewMapper.deleteByExample(clearViewExample);
|
||
|
||
LogUtil.info("=====v1.8版本 仪表板私有化【结束】=====");
|
||
}
|
||
|
||
// 获取仪表板的视图信息
|
||
public Map queryPanelComponents(String panelId) {
|
||
try {
|
||
Map result, tableWithFields, viewWithViewInfo, tableWithTableInfo;
|
||
//查找所有view
|
||
List<ChartViewDTO> views = extChartViewMapper.searchViewsWithPanelId(panelId);
|
||
viewWithViewInfo = views.stream().collect(Collectors.toMap(ChartViewDTO::getId, ChartViewDTO -> ChartViewDTO));
|
||
//查找所有dataset
|
||
List<DataSetTableDTO> tables = extDataSetTableMapper.searchDataSetTableWithPanelId(panelId, String.valueOf(AuthUtils.getUser().getUserId()));
|
||
tableWithTableInfo = tables.stream().collect(Collectors.toMap(DataSetTableDTO::getId, DataSetTableDTO -> DataSetTableDTO));
|
||
//查找所有datasetFields
|
||
tableWithFields = new HashMap();
|
||
if (CollectionUtils.isNotEmpty(tables)) {
|
||
for (DataSetTableDTO table : tables) {
|
||
DataSetTableRequest dataSetTableRequest = new DataSetTableRequest();
|
||
dataSetTableRequest.setId(table.getId());
|
||
Map<String, List<DatasetTableField>> tableDataSetFields = dataSetTableService.getFieldsFromDE(dataSetTableRequest);
|
||
tableWithFields.put(table.getId(), tableDataSetFields);
|
||
}
|
||
}
|
||
|
||
result = new HashMap();
|
||
result.put("tableWithFields", tableWithFields);
|
||
result.put("viewWithViewInfo", viewWithViewInfo);
|
||
result.put("tableWithTableInfo", tableWithTableInfo);
|
||
return result;
|
||
} catch (Exception e) {
|
||
e.printStackTrace();
|
||
LogUtil.error(e);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
private void clearPermissionCache() {
|
||
CacheUtils.removeAll(AuthConstants.USER_PANEL_NAME);
|
||
CacheUtils.removeAll(AuthConstants.ROLE_PANEL_NAME);
|
||
CacheUtils.removeAll(AuthConstants.DEPT_PANEL_NAME);
|
||
}
|
||
|
||
|
||
public void exportPanelViewDetails(PanelViewDetailsRequest request, HttpServletResponse response) throws IOException {
|
||
OutputStream outputStream = response.getOutputStream();
|
||
try {
|
||
String snapshot = request.getSnapshot();
|
||
List<String[]> details = request.getDetails();
|
||
details.add(0,request.getHeader());
|
||
HSSFWorkbook wb = new HSSFWorkbook();
|
||
//明细sheet
|
||
HSSFSheet detailsSheet = wb.createSheet("数据");
|
||
|
||
//给单元格设置样式
|
||
CellStyle cellStyle = wb.createCellStyle();
|
||
Font font = wb.createFont();
|
||
//设置字体大小
|
||
font.setFontHeightInPoints((short) 12);
|
||
//设置字体加粗
|
||
font.setBold(true);
|
||
//给字体设置样式
|
||
cellStyle.setFont(font);
|
||
//设置单元格背景颜色
|
||
cellStyle.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
|
||
//设置单元格填充样式(使用纯色背景颜色填充)
|
||
cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
|
||
|
||
if (CollectionUtils.isNotEmpty(details)) {
|
||
for (int i = 0; i < details.size(); i++) {
|
||
HSSFRow row = detailsSheet.createRow(i);
|
||
String[] rowData = details.get(i);
|
||
if (rowData != null) {
|
||
for (int j = 0; j < rowData.length; j++) {
|
||
HSSFCell cell = row.createCell(j);
|
||
cell.setCellValue(rowData[j]);
|
||
if(i==0){// 头部
|
||
cell.setCellStyle(cellStyle);
|
||
//设置列的宽度
|
||
detailsSheet.setColumnWidth(j, 255*20);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if(StringUtils.isNotEmpty(snapshot)){
|
||
//截图sheet 1px ≈ 2.33dx ≈ 0.48 dy 8*24 个单元格
|
||
HSSFSheet snapshotSheet = wb.createSheet("图表");
|
||
short reDefaultRowHeight = (short)Math.round(request.getSnapshotHeight()*3.5/8);
|
||
int reDefaultColumnWidth = (int)Math.round(request.getSnapshotWidth()*0.25/24);
|
||
snapshotSheet.setDefaultColumnWidth(reDefaultColumnWidth);
|
||
snapshotSheet.setDefaultRowHeight(reDefaultRowHeight);
|
||
|
||
//画图的顶级管理器，一个sheet只能获取一个（一定要注意这点）i
|
||
HSSFPatriarch patriarch = snapshotSheet.createDrawingPatriarch();
|
||
HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, reDefaultColumnWidth, reDefaultColumnWidth,(short) 0, 0, (short)8, 24);
|
||
anchor.setAnchorType(ClientAnchor.AnchorType.DONT_MOVE_DO_RESIZE);
|
||
patriarch.createPicture(anchor, wb.addPicture(Base64Utils.decodeFromString(snapshot.replace(DATA_URL_TITLE,"")), HSSFWorkbook.PICTURE_TYPE_JPEG));
|
||
}
|
||
response.setContentType("application/vnd.ms-excel");
|
||
//文件名称
|
||
response.setHeader("Content-disposition", "attachment;filename=" + request.getViewName() + ".xls");
|
||
wb.write(outputStream);
|
||
outputStream.flush();
|
||
outputStream.close();
|
||
} catch (Exception e) {
|
||
DataEaseException.throwException(e);
|
||
}
|
||
}
|
||
}
|