package org.dromara.workflow.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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import cn.hutool.core.util.StrUtil;
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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.DeptDTO;
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import org.dromara.common.core.domain.dto.TaskAssigneeDTO;
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import org.dromara.common.core.domain.dto.UserDTO;
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import org.dromara.common.core.domain.model.TaskAssigneeBody;
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import org.dromara.common.core.enums.FormatsType;
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import org.dromara.common.core.exception.ServiceException;
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import org.dromara.common.core.service.DeptService;
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import org.dromara.common.core.service.TaskAssigneeService;
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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.common.core.utils.StringUtils;
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import org.dromara.warm.flow.ui.dto.HandlerFunDto;
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import org.dromara.warm.flow.ui.dto.HandlerQuery;
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import org.dromara.warm.flow.ui.dto.TreeFunDto;
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import org.dromara.warm.flow.ui.service.HandlerSelectService;
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import org.dromara.warm.flow.ui.vo.HandlerSelectVo;
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import org.dromara.workflow.common.ConditionalOnEnable;
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import org.dromara.workflow.common.enums.TaskAssigneeEnum;
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import org.dromara.workflow.service.IFlwTaskAssigneeService;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Optional;
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/**
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* 流程设计器-获取办理人权限设置列表
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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 FlwTaskAssigneeServiceImpl implements IFlwTaskAssigneeService, HandlerSelectService {
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private static final String DEFAULT_GROUP_NAME = "默认分组";
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private final TaskAssigneeService taskAssigneeService;
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private final UserService userService;
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private final DeptService deptService;
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/**
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* 获取办理人权限设置列表tabs页签
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*
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* @return tabs页签
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*/
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@Override
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public List<String> getHandlerType() {
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return TaskAssigneeEnum.getAssigneeTypeList();
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}
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/**
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* 获取办理列表, 同时构建左侧部门树状结构
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*
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* @param query 查询条件
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* @return HandlerSelectVo
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*/
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@Override
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public HandlerSelectVo getHandlerSelect(HandlerQuery query) {
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// 获取任务办理类型
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TaskAssigneeEnum type = TaskAssigneeEnum.fromDesc(query.getHandlerType());
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// 转换查询条件为 TaskAssigneeBody
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TaskAssigneeBody taskQuery = BeanUtil.toBean(query, TaskAssigneeBody.class);
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// 统一查询并构建业务数据
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TaskAssigneeDTO dto = fetchTaskAssigneeData(type, taskQuery);
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List<DeptDTO> depts = fetchDeptData(type);
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return getHandlerSelectVo(buildHandlerData(dto, type), buildDeptTree(depts));
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}
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/**
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* 根据任务办理类型查询对应的数据
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*/
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private TaskAssigneeDTO fetchTaskAssigneeData(TaskAssigneeEnum type, TaskAssigneeBody taskQuery) {
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return switch (type) {
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case USER -> taskAssigneeService.selectUsersByTaskAssigneeList(taskQuery);
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case ROLE -> taskAssigneeService.selectRolesByTaskAssigneeList(taskQuery);
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case DEPT -> taskAssigneeService.selectDeptsByTaskAssigneeList(taskQuery);
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case POST -> taskAssigneeService.selectPostsByTaskAssigneeList(taskQuery);
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default -> throw new ServiceException("Unsupported handler type");
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};
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}
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/**
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* 根据任务办理类型获取部门数据
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*/
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private List<DeptDTO> fetchDeptData(TaskAssigneeEnum type) {
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if (type == TaskAssigneeEnum.USER || type == TaskAssigneeEnum.DEPT || type == TaskAssigneeEnum.POST) {
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return deptService.selectDeptsByList();
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}
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return new ArrayList<>();
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}
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/**
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* 构建部门树状结构
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*/
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private TreeFunDto<DeptDTO> buildDeptTree(List<DeptDTO> depts) {
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return new TreeFunDto<>(depts)
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.setId(dept -> String.valueOf(dept.getDeptId()))
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.setName(DeptDTO::getDeptName)
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.setParentId(dept -> String.valueOf(dept.getParentId()));
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}
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/**
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* 构建任务办理人数据
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*/
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private HandlerFunDto<TaskAssigneeDTO.TaskHandler> buildHandlerData(TaskAssigneeDTO dto, TaskAssigneeEnum type) {
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return new HandlerFunDto<>(dto.getList(), dto.getTotal())
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.setStorageId(assignee -> type.getCode() + assignee.getStorageId())
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.setHandlerCode(assignee -> StringUtils.blankToDefault(assignee.getHandlerCode(), "无"))
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.setHandlerName(assignee -> StringUtils.blankToDefault(assignee.getHandlerName(), "无"))
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.setGroupName(assignee -> StringUtils.defaultIfBlank(
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Optional.ofNullable(assignee.getGroupName())
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.map(deptService::selectDeptNameByIds)
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.orElse(DEFAULT_GROUP_NAME), DEFAULT_GROUP_NAME))
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.setCreateTime(assignee -> DateUtils.parseDateToStr(FormatsType.YYYY_MM_DD_HH_MM_SS, assignee.getCreateTime()));
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}
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/**
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* 根据存储标识符(storageId)解析分配类型和ID,并获取对应的用户列表
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*
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* @param storageId 包含分配类型和ID的字符串(例如 "user:123" 或 "role:456")
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* @return 与分配类型和ID匹配的用户列表,如果格式无效则返回空列表
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*/
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@Override
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public List<UserDTO> fetchUsersByStorageId(String storageId) {
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List<UserDTO> list = new ArrayList<>();
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for (String str : storageId.split(StrUtil.COMMA)) {
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String[] parts = str.split(StrUtil.COLON, 2);
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if (parts.length < 2) {
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list.addAll(getUsersByType(TaskAssigneeEnum.USER, List.of(Long.valueOf(parts[0]))));
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} else {
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list.addAll(getUsersByType(TaskAssigneeEnum.fromCode(parts[0] + StrUtil.COLON), List.of(Long.valueOf(parts[1]))));
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}
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}
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return list;
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}
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/**
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* 根据指定的任务分配类型(TaskAssigneeEnum)和 ID 列表,获取对应的用户信息列表
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*
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* @param type 任务分配类型,表示用户、角色、部门或其他(TaskAssigneeEnum 枚举值)
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* @param ids 与指定分配类型关联的 ID 列表(例如用户ID、角色ID、部门ID等)
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* @return 返回包含用户信息的列表。如果类型为用户(USER),则通过用户ID列表查询;
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* 如果类型为角色(ROLE),则通过角色ID列表查询;
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* 如果类型为部门(DEPT),则通过部门ID列表查询;
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* 如果类型为岗位(POST)或无法识别的类型,则返回空列表
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*/
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private List<UserDTO> getUsersByType(TaskAssigneeEnum type, List<Long> ids) {
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return switch (type) {
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case USER -> userService.selectListByIds(ids);
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case ROLE -> userService.selectUsersByRoleIds(ids);
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case DEPT -> userService.selectUsersByDeptIds(ids);
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case POST -> userService.selectUsersByPostIds(ids);
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};
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}
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}
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