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package org.dromara.workflow.service.impl;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.ObjectUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.dromara.common.core.domain.dto.UserDTO;
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import org.dromara.common.core.service.DeptService;
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import org.dromara.common.core.service.UserService;
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import org.dromara.common.core.utils.DateUtils;
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import org.dromara.warm.flow.core.dto.DefJson;
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import org.dromara.warm.flow.core.dto.NodeJson;
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import org.dromara.warm.flow.core.dto.PromptContent;
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import org.dromara.warm.flow.core.enums.NodeType;
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import org.dromara.warm.flow.orm.entity.FlowHisTask;
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import org.dromara.warm.flow.orm.mapper.FlowHisTaskMapper;
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import org.dromara.warm.flow.ui.service.ChartExtService;
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import org.dromara.workflow.common.ConditionalOnEnable;
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import org.springframework.stereotype.Service;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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/**
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* 流程图提示信息
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*
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* @author AprilWind
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*/
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@ConditionalOnEnable
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@Slf4j
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@RequiredArgsConstructor
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@Service
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public class FlwChartExtServiceImpl implements ChartExtService {
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/**
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* 悬浮窗整体样式(支持滚动)
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*/
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public static final Map<String, Object> DIALOG_STYLE = Map.ofEntries(
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Map.entry("position", "absolute"),
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Map.entry("backgroundColor", "#fff"),
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Map.entry("border", "1px solid #ccc"),
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Map.entry("borderRadius", "4px"),
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Map.entry("boxShadow", "0 2px 8px rgba(0, 0, 0, 0.15)"),
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Map.entry("padding", "8px 12px"),
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Map.entry("fontSize", "14px"),
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Map.entry("zIndex", 1000),
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Map.entry("maxWidth", "500px"),
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// 取消 maxHeight,让高度自适应
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Map.entry("overflowY", "visible"),
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Map.entry("overflowX", "hidden"),
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Map.entry("color", "#333"),
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Map.entry("pointerEvents", "auto"),
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Map.entry("scrollbarWidth", "thin")
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);
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public static final Map<String, Object> PREFIX_STYLE = Map.of(
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"textAlign", "right",
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"color", "#444",
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"userSelect", "none",
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"display", "inline-block",
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"width", "100px",
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"paddingRight", "8px",
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"fontWeight", "500",
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"fontSize", "14px",
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"lineHeight", "24px",
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"verticalAlign", "middle"
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);
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public static final Map<String, Object> CONTENT_STYLE = Map.of(
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"backgroundColor", "#f7faff",
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"color", "#005cbf",
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"padding", "4px 8px",
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"fontSize", "14px",
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"borderRadius", "4px",
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"whiteSpace", "normal",
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"border", "1px solid #d0e5ff",
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"userSelect", "text",
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"lineHeight", "20px"
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);
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public static final Map<String, Object> ROW_STYLE = Map.of(
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"color", "#222",
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"alignItems", "center",
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"display", "flex",
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"marginBottom", "6px",
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"fontWeight", "400",
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"fontSize", "14px"
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);
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private final UserService userService;
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private final DeptService deptService;
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private final FlowHisTaskMapper flowHisTaskMapper;
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/**
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* 设置流程图提示信息
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*
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* @param defJson 流程定义json对象
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*/
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@Override
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public void execute(DefJson defJson) {
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//TODO 等待下一版本更新传递 流程实例id
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Long instanceId = 1935591874325151746L;
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// 按 nodeCode 分组的历史任务列表
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Map<String, List<FlowHisTask>> groupedByNode = this.getHisTaskGroupedByNode(instanceId);
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// 遍历每个节点,处理扩展提示内容
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for (NodeJson nodeJson : defJson.getNodeList()) {
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List<FlowHisTask> taskList = groupedByNode.getOrDefault(nodeJson.getNodeCode(), Collections.emptyList());
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this.processNodeExtInfo(nodeJson, taskList);
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}
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}
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/**
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* 初始化流程图提示信息
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*
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* @param defJson 流程定义json对象
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*/
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@Override
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public void initPromptContent(DefJson defJson) {
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ChartExtService.super.initPromptContent(defJson);
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// 为每个节点设置统一的提示框样式
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defJson.getNodeList().forEach(nodeJson -> nodeJson.getPromptContent().setDialogStyle(DIALOG_STYLE));
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}
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/**
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* 处理每个节点的扩展信息,生成提示内容
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*
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* @param nodeJson 当前节点
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*/
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private void processNodeExtInfo(NodeJson nodeJson, List<FlowHisTask> taskList) {
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if (CollUtil.isEmpty(taskList)) {
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return;
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}
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List<PromptContent.InfoItem> info = nodeJson.getPromptContent().getInfo();
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for (FlowHisTask task : taskList) {
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UserDTO userDTO = userService.selectUserDtoById(Long.valueOf(task.getApprover()));
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if (ObjectUtil.isEmpty(userDTO)) {
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return;
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}
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String deptName = deptService.selectDeptNameByIds(String.valueOf(userDTO.getDeptId()));
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String displayName = String.format("👤 %s(%s)", userDTO.getNickName(), deptName);
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info.add(new PromptContent.InfoItem()
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.setPrefix(displayName)
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.setPrefixStyle(Map.of(
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"fontWeight", "bold",
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"fontSize", "15px",
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"color", "#333"
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))
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.setContent("")
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.setContentStyle(Collections.emptyMap())
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.setRowStyle(Map.of("margin", "8px 0", "borderBottom", "1px dashed #ccc"))
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);
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info.add(buildInfoItem("用户账号", userDTO.getUserName()));
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info.add(buildInfoItem("审批耗时", DateUtils.getTimeDifference(task.getUpdateTime(), task.getCreateTime())));
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info.add(buildInfoItem("办理时间", DateUtils.formatDateTime(task.getUpdateTime())));
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}
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}
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/**
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* 构建单条提示内容对象 InfoItem,用于悬浮窗显示(key: value)
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*
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* @param key 字段名(作为前缀)
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* @param value 字段值
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* @return 提示项对象
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*/
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private PromptContent.InfoItem buildInfoItem(String key, String value) {
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return new PromptContent.InfoItem()
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.setPrefix(key + ": ")
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.setPrefixStyle(PREFIX_STYLE)
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.setContent(value)
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.setContentStyle(CONTENT_STYLE)
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.setRowStyle(ROW_STYLE);
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}
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/**
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* 根据流程实例ID获取按节点编号分组的历史任务列表
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*
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* @param instanceId 流程实例ID
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* @return Map<节点编码, 对应的历史任务列表>
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*/
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public Map<String, List<FlowHisTask>> getHisTaskGroupedByNode(Long instanceId) {
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LambdaQueryWrapper<FlowHisTask> wrapper = Wrappers.lambdaQuery();
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wrapper.eq(FlowHisTask::getInstanceId, instanceId);
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wrapper.eq(FlowHisTask::getNodeType, NodeType.BETWEEN.getKey());
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wrapper.orderByDesc(FlowHisTask::getCreateTime).orderByDesc(FlowHisTask::getUpdateTime);
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List<FlowHisTask> flowHisTasks = flowHisTaskMapper.selectList(wrapper);
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return flowHisTasks.stream()
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.collect(Collectors.groupingBy(FlowHisTask::getNodeCode));
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}
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}
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