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仿钉钉流程设计- 新增连续多级部门负责人审批策略
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jason
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package cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy;
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import cn.hutool.core.lang.Assert;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateStrategy;
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import cn.iocoder.yudao.module.system.api.dept.DeptApi;
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import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
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import java.util.Collections;
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import java.util.LinkedHashSet;
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import java.util.Set;
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/**
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* 部门的负责人 {@link BpmTaskCandidateStrategy} 抽象类
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*
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* @author jason
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*/
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public abstract class BpmTaskCandidateAbstractDeptLeaderStrategy implements BpmTaskCandidateStrategy {
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protected DeptApi deptApi;
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public BpmTaskCandidateAbstractDeptLeaderStrategy(DeptApi deptApi) {
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this.deptApi = deptApi;
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}
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/**
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* 获取上级部门的负责人
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*
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* @param assignDept 指定部门
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* @param level 第几级
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* @return 部门负责人 Id
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*/
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protected Long getAssignLevelDeptLeaderId(DeptRespDTO assignDept, Integer level) {
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Assert.isTrue(level > 0, "level 必须大于 0");
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if (assignDept == null) {
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return null;
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}
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DeptRespDTO dept = assignDept;
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for (int i = 1; i < level; i++) {
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DeptRespDTO parentDept = deptApi.getDept(dept.getParentId());
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if (parentDept == null) { // 找不到父级部门，到了最高级。返回最高级的部门负责人
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break;
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}
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dept = parentDept;
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}
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return dept.getLeaderUserId();
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}
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/**
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* 获取连续上级部门的负责人, 包含指定部门的负责人
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*
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* @param assignDept 指定部门
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* @param level 第几级
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* @return 连续部门负责人 Id
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*/
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protected Set<Long> getMultiLevelDeptLeaderIds(DeptRespDTO assignDept, Integer level){
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Assert.isTrue(level > 0, "level 必须大于 0");
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if (assignDept == null) {
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return Collections.emptySet();
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}
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Set<Long> deptLeaderIds = new LinkedHashSet<>(); // 保证有序
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DeptRespDTO dept = assignDept;
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for (int i = 0; i < level; i++) {
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if (dept.getLeaderUserId() != null) {
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deptLeaderIds.add(dept.getLeaderUserId());
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}
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DeptRespDTO parentDept = deptApi.getDept(dept.getParentId());
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if (parentDept == null) { // 找不到父级部门. 已经到了最高层级了
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break;
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}
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dept = parentDept;
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}
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return deptLeaderIds;
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}
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}
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package cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.iocoder.yudao.framework.common.util.string.StrUtils;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateStrategy;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum;
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import cn.iocoder.yudao.module.system.api.dept.DeptApi;
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import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
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import org.flowable.engine.delegate.DelegateExecution;
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import org.springframework.stereotype.Component;
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import java.util.List;
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import java.util.Set;
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/**
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* 连续多级部门的负责人 {@link BpmTaskCandidateStrategy} 实现类
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*
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* @author jason
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*/
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@Component
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public class BpmTaskCandidateMultiLevelDeptLeaderStrategy extends BpmTaskCandidateAbstractDeptLeaderStrategy {
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public BpmTaskCandidateMultiLevelDeptLeaderStrategy(DeptApi deptApi) {
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super(deptApi);
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}
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@Override
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public BpmTaskCandidateStrategyEnum getStrategy() {
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return BpmTaskCandidateStrategyEnum.MULTI_LEVEL_DEPT_LEADER;
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}
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@Override
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public void validateParam(String param) {
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// 参数格式: ,分割。 前面一个指定指定部门Id, 后面一个是部门的层级
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List<Long> params = StrUtils.splitToLong(param, ",");
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Assert.isTrue(params.size() == 2, "参数格式不匹配");
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deptApi.validateDeptList(CollUtil.toList(params.get(0)));
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Assert.isTrue(params.get(1) > 0, "部门层级必须大于 0");
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}
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@Override
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public Set<Long> calculateUsers(DelegateExecution execution, String param) {
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// 参数格式: ,分割。 前面一个指定指定部门Id, 后面一个是审批的层级
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List<Long> params = StrUtils.splitToLong(param, ",");
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// TODO @芋艿 是否要支持多个部门。 是不是这种场景，一个部门就可以了
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Long deptId = params.get(0);
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Long level = params.get(1);
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DeptRespDTO dept = deptApi.getDept(deptId);
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return getMultiLevelDeptLeaderIds(dept, level.intValue());
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}
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}
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package cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy;
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import cn.hutool.core.lang.Assert;
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import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateStrategy;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum;
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import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceService;
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import cn.iocoder.yudao.module.system.api.dept.DeptApi;
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import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
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import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
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import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
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import jakarta.annotation.Resource;
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import org.flowable.engine.delegate.DelegateExecution;
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import org.flowable.engine.runtime.ProcessInstance;
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import org.springframework.context.annotation.Lazy;
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import org.springframework.stereotype.Component;
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import java.util.Set;
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import static cn.iocoder.yudao.framework.common.util.collection.SetUtils.asSet;
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import static java.util.Collections.emptySet;
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/**
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* 发起人的部门负责人, 可以是上级部门负责人 {@link BpmTaskCandidateStrategy} 实现类
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*
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* @author jason
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*/
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@Component
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public class BpmTaskCandidateStartUserDeptLeaderStrategy extends BpmTaskCandidateAbstractDeptLeaderStrategy {
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@Resource
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@Lazy
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private BpmProcessInstanceService processInstanceService;
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@Resource
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private AdminUserApi adminUserApi;
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@Override
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public BpmTaskCandidateStrategyEnum getStrategy() {
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return BpmTaskCandidateStrategyEnum.START_USER_DEPT_LEADER;
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}
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public BpmTaskCandidateStartUserDeptLeaderStrategy(DeptApi deptApi) {
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super(deptApi);
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}
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@Override
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public void validateParam(String param) {
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// 参数是部门的层级
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Assert.isTrue(Integer.parseInt(param) > 0, "部门的层级必须大于 0");
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}
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@Override
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public Set<Long> calculateUsers(DelegateExecution execution, String param) {
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// 获得流程发起人
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ProcessInstance processInstance = processInstanceService.getProcessInstance(execution.getProcessInstanceId());
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Long startUserId = NumberUtils.parseLong(processInstance.getStartUserId());
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DeptRespDTO dept = getStartUserDept(startUserId);
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Long deptLeaderId = getAssignLevelDeptLeaderId(dept, Integer.valueOf(param)); // 参数是部门的层级
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return deptLeaderId != null ? asSet(deptLeaderId) : emptySet();
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}
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/**
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* 获取发起人的部门
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*
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* @param startUserId 发起人 Id
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*/
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protected DeptRespDTO getStartUserDept(Long startUserId) {
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AdminUserRespDTO startUser = adminUserApi.getUser(startUserId);
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if (startUser.getDeptId() == null) { // 找不到部门
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return null;
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}
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return deptApi.getDept(startUser.getDeptId());
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}
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}
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@ -0,0 +1,73 @@
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package cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy;
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import cn.hutool.core.lang.Assert;
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import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateStrategy;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum;
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import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceService;
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import cn.iocoder.yudao.module.system.api.dept.DeptApi;
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import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
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import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
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import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
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import jakarta.annotation.Resource;
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import org.flowable.engine.delegate.DelegateExecution;
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import org.flowable.engine.runtime.ProcessInstance;
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import org.springframework.context.annotation.Lazy;
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import org.springframework.stereotype.Component;
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import java.util.Set;
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/**
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* 发起人连续多级部门的负责人 {@link BpmTaskCandidateStrategy} 实现类
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*
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* @author jason
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*/
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@Component
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public class BpmTaskCandidateStartUserMultiLevelDeptLeaderStrategy extends BpmTaskCandidateAbstractDeptLeaderStrategy {
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@Resource
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@Lazy
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private BpmProcessInstanceService processInstanceService;
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@Resource
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private AdminUserApi adminUserApi;
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public BpmTaskCandidateStartUserMultiLevelDeptLeaderStrategy(AdminUserApi adminUserApi, DeptApi deptApi) {
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super(deptApi);
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}
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@Override
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public BpmTaskCandidateStrategyEnum getStrategy() {
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return BpmTaskCandidateStrategyEnum.START_USER_MULTI_LEVEL_DEPT_LEADER;
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}
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@Override
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public void validateParam(String param) {
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// 参数是部门的层级
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Assert.isTrue(Integer.parseInt(param) > 0, "部门的层级必须大于 0");
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}
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@Override
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public Set<Long> calculateUsers(DelegateExecution execution, String param) {
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// 获得流程发起人
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ProcessInstance processInstance = processInstanceService.getProcessInstance(execution.getProcessInstanceId());
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Long startUserId = NumberUtils.parseLong(processInstance.getStartUserId());
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DeptRespDTO dept = getStartUserDept(startUserId);
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return getMultiLevelDeptLeaderIds(dept, Integer.valueOf(param)); // 参数是部门的层级
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}
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/**
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* 获取发起人的部门
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*
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* @param startUserId 发起人 Id
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*/
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protected DeptRespDTO getStartUserDept(Long startUserId) {
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AdminUserRespDTO startUser = adminUserApi.getUser(startUserId);
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if (startUser.getDeptId() == null) { // 找不到部门
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return null;
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}
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return deptApi.getDept(startUser.getDeptId());
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}
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}
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@ -21,10 +21,13 @@ public enum BpmTaskCandidateStrategyEnum implements IntArrayValuable {
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ROLE(10, "角色"),
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DEPT_MEMBER(20, "部门的成员"), // 包括负责人
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DEPT_LEADER(21, "部门的负责人"),
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MULTI_LEVEL_DEPT_LEADER(23, "连续多级部门的负责人"),
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POST(22, "岗位"),
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USER(30, "用户"),
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START_USER_SELECT(35, "发起人自选"), // 申请人自己，可在提交申请时选择此节点的审批人
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START_USER(36, "发起人自己"), // 申请人自己, 一般紧挨开始节点，常用于发起人信息审核场景
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START_USER_DEPT_LEADER(37, "发起人部门负责人"), // 可以是发起人上级部门负责人
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START_USER_MULTI_LEVEL_DEPT_LEADER(38, "发起人连续多级部门的负责人"),
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USER_GROUP(40, "用户组"),
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EXPRESSION(60, "流程表达式"), // 表达式 ExpressionManager
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;
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