| 提交 | 用户 | 时间 | ||
| e7c126 | 1 | package com.iailab.module.bpm.framework.flowable.core.candidate.expression; |
| H | 2 | |
| 3 | import com.iailab.framework.common.util.number.NumberUtils; | |
| 4 | import com.iailab.module.bpm.service.task.BpmProcessInstanceService; | |
| 5 | import com.iailab.module.system.api.dept.DeptApi; | |
| 6 | import com.iailab.module.system.api.dept.dto.DeptRespDTO; | |
| 7 | import com.iailab.module.system.api.user.AdminUserApi; | |
| 8 | import com.iailab.module.system.api.user.dto.AdminUserRespDTO; | |
| 9 | import org.flowable.engine.delegate.DelegateExecution; | |
| 10 | import org.flowable.engine.runtime.ProcessInstance; | |
| 11 | import org.springframework.stereotype.Component; | |
| 12 | import org.springframework.util.Assert; | |
| 13 | ||
| 14 | import javax.annotation.Resource; | |
| 15 | import java.util.Set; | |
| 16 | ||
| 17 | import static com.iailab.framework.common.util.collection.SetUtils.asSet; | |
| 18 | import static java.util.Collections.emptySet; | |
| 19 | ||
| 20 | /** | |
| 21 | * 分配给发起人的 Leader 审批的 Expression 流程表达式 | |
| 22 | * 目前 Leader 的定义是，发起人所在部门的 Leader | |
| 23 | * | |
| 24 | * @author iailab | |
| 25 | */ | |
| 26 | @Component | |
| 27 | public class BpmTaskAssignLeaderExpression { | |
| 28 | ||
| 29 | @Resource | |
| 30 | private AdminUserApi adminUserApi; | |
| 31 | @Resource | |
| 32 | private DeptApi deptApi; | |
| 33 | ||
| 34 | @Resource | |
| 35 | private BpmProcessInstanceService processInstanceService; | |
| 36 | ||
| 37 | /** | |
| 38 | * 计算审批的候选人 | |
| 39 | * | |
| 40 | * @param execution 流程执行实体 | |
| 41 | * @param level 指定级别 | |
| 42 | * @return 指定级别的领导 | |
| 43 | */ | |
| 44 | public Set<Long> calculateUsers(DelegateExecution execution, int level) { | |
| 45 | Assert.isTrue(level > 0, "level 必须大于 0"); | |
| 46 | // 获得发起人 | |
| 47 | ProcessInstance processInstance = processInstanceService.getProcessInstance(execution.getProcessInstanceId()); | |
| 48 | Long startUserId = NumberUtils.parseLong(processInstance.getStartUserId()); | |
| 49 | // 获得对应 leve 的部门 | |
| 50 | DeptRespDTO dept = null; | |
| 51 | for (int i = 0; i < level; i++) { | |
| 52 | // 获得 level 对应的部门 | |
| 53 | if (dept == null) { | |
| 54 | dept = getStartUserDept(startUserId); | |
| 55 | if (dept == null) { // 找不到发起人的部门，所以无法使用该规则 | |
| 56 | return emptySet(); | |
| 57 | } | |
| 58 | } else { | |
| 59 | DeptRespDTO parentDept = deptApi.getDept(dept.getParentId()).getCheckedData(); | |
| 60 | if (parentDept == null) { // 找不到父级部门，所以只好结束寻找。原因是：例如说，级别比较高的人，所在部门层级比较少 | |
| 61 | break; | |
| 62 | } | |
| 63 | dept = parentDept; | |
| 64 | } | |
| 65 | } | |
| 66 | return dept.getLeaderUserId() != null ? asSet(dept.getLeaderUserId()) : emptySet(); | |
| 67 | } | |
| 68 | ||
| 69 | private DeptRespDTO getStartUserDept(Long startUserId) { | |
| 70 | AdminUserRespDTO startUser = adminUserApi.getUser(startUserId).getCheckedData(); | |
| 71 | if (startUser.getDeptId() == null) { // 找不到部门，所以无法使用该规则 | |
| 72 | return null; | |
| 73 | } | |
| 74 | return deptApi.getDept(startUser.getDeptId()).getCheckedData(); | |
| 75 | } | |
| 76 | ||
| 77 | } | |
