package org.dromara.workflow.handler;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.convert.Convert;
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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.utils.StreamUtils;
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import org.dromara.common.core.utils.StringUtils;
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import org.dromara.common.satoken.utils.LoginHelper;
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import org.dromara.warm.flow.core.dto.FlowParams;
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import org.dromara.warm.flow.core.handler.PermissionHandler;
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import org.dromara.workflow.common.ConditionalOnEnable;
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import org.dromara.workflow.service.IFlwTaskAssigneeService;
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import org.springframework.stereotype.Component;
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import java.util.Collections;
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import java.util.List;
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/**
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* 办理人权限处理器
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*
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* @author AprilWind
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*/
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@ConditionalOnEnable
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@RequiredArgsConstructor
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@Component
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@Slf4j
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public class WorkflowPermissionHandler implements PermissionHandler {
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private final IFlwTaskAssigneeService flwTaskAssigneeService;
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/**
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* 办理人权限标识,比如用户,角色,部门等,用于校验是否有权限办理任务
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* 后续在{@link FlowParams#getPermissionFlag} 中获取
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* 返回当前用户权限集合
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*/
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@Override
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public List<String> permissions() {
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return Collections.singletonList(LoginHelper.getUserIdStr());
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}
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/**
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* 获取当前办理人
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*
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* @return 当前办理人
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*/
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@Override
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public String getHandler() {
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return LoginHelper.getUserIdStr();
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}
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/**
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* 转换办理人,比如设计器中预设了能办理的人,如果其中包含角色或者部门id等,可以通过此接口进行转换成用户id
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*/
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@Override
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public List<String> convertPermissions(List<String> permissions) {
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if (CollUtil.isEmpty(permissions)) {
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return permissions;
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}
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String storageIds = CollUtil.join(permissions, StringUtils.SEPARATOR);
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List<UserDTO> users = flwTaskAssigneeService.fetchUsersByStorageIds(storageIds);
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return StreamUtils.toList(users, userDTO -> Convert.toStr(userDTO.getUserId()));
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}
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}
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