重构 bpmn 任务的处理人的逻辑，收拢到 BpmTaskAssignRuleService

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/dal/dataobject/task/BpmTaskExtDO.java

@@ -29,7 +29,7 @@ public class BpmTaskExtDO extends BaseDO {
     private Long id;
 
     /**
-     * 流程任务key
+     * 流程任务key TODO 芋艿，看看这个字段的作用
      */
     private String taskDefKey;
     /**

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/domain/enums/definition/BpmTaskAssignRuleTypeEnum.java

@@ -17,8 +17,6 @@ public enum BpmTaskAssignRuleTypeEnum {
     DEPT_LEADER(21, "部门的负责人"),
     POST(22, "岗位"),
     USER(30, "用户"),
-    USER_SIGN(31, "用户---会签"),
-    USER_OR_SIGN(32, "用户---或签"),
     USER_GROUP(40, "用户组"),
     SCRIPT(50, "自定义脚本"), // 例如说，发起人所在部门的领导、发起人所在部门的领导的领导
     ;

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/config/BpmFlowableConfiguration.java

@@ -2,12 +2,7 @@ package cn.iocoder.yudao.module.bpm.framework.flowable.config;
 
 import cn.hutool.core.collection.ListUtil;
 import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.BpmActivityBehaviorFactory;
-import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
 import cn.iocoder.yudao.module.bpm.service.definition.BpmTaskAssignRuleService;
-import cn.iocoder.yudao.module.bpm.service.definition.BpmUserGroupService;
-import cn.iocoder.yudao.module.system.api.dept.DeptApi;
-import cn.iocoder.yudao.module.system.api.permission.PermissionApi;
-import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
 import org.flowable.common.engine.api.delegate.event.FlowableEventListener;
 import org.flowable.spring.SpringProcessEngineConfiguration;
 import org.flowable.spring.boot.EngineConfigurationConfigurer;
@@ -15,8 +10,6 @@ import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
-import java.util.List;
-
 /**
  * BPM 模块的 Flowable 配置类
  *
@@ -44,19 +37,10 @@ public class BpmFlowableConfiguration {
     }
 
     @Bean
-    public BpmActivityBehaviorFactory bpmActivityBehaviorFactory(BpmTaskAssignRuleService taskRuleService,
-                                                                 BpmUserGroupService userGroupService,
-                                                                 PermissionApi permissionApi,
-                                                                 DeptApi deptApi,
-                                                                 AdminUserApi adminUserApi,
-                                                                 List<BpmTaskAssignScript> scripts) {
+    public BpmActivityBehaviorFactory bpmActivityBehaviorFactory(BpmTaskAssignRuleService taskRuleService) {
         BpmActivityBehaviorFactory bpmActivityBehaviorFactory = new BpmActivityBehaviorFactory();
         bpmActivityBehaviorFactory.setBpmTaskRuleService(taskRuleService);
-        bpmActivityBehaviorFactory.setUserGroupService(userGroupService);
-        bpmActivityBehaviorFactory.setAdminUserApi(adminUserApi);
-        bpmActivityBehaviorFactory.setPermissionApi(permissionApi);
-        bpmActivityBehaviorFactory.setDeptApi(deptApi);
-        bpmActivityBehaviorFactory.setScripts(scripts);
         return bpmActivityBehaviorFactory;
     }
+
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/BpmActivityBehaviorFactory.java

@@ -1,11 +1,6 @@
 package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior;
 
-import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
 import cn.iocoder.yudao.module.bpm.service.definition.BpmTaskAssignRuleService;
-import cn.iocoder.yudao.module.bpm.service.definition.BpmUserGroupService;
-import cn.iocoder.yudao.module.system.api.dept.DeptApi;
-import cn.iocoder.yudao.module.system.api.permission.PermissionApi;
-import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.Setter;
@@ -17,8 +12,6 @@ import org.flowable.engine.impl.bpmn.behavior.ParallelMultiInstanceBehavior;
 import org.flowable.engine.impl.bpmn.behavior.UserTaskActivityBehavior;
 import org.flowable.engine.impl.bpmn.parser.factory.DefaultActivityBehaviorFactory;
 
-import java.util.List;
-
 /**
  * 自定义的 ActivityBehaviorFactory 实现类，目的如下：
  * 1. 自定义 {@link #createUserTaskActivityBehavior(UserTask)}：实现自定义的流程任务的 assignee 负责人的分配
@@ -32,41 +25,18 @@ public class BpmActivityBehaviorFactory extends DefaultActivityBehaviorFactory {
 
     @Setter
     private BpmTaskAssignRuleService bpmTaskRuleService;
-    @Setter
-    private BpmUserGroupService userGroupService;
-
-    @Setter
-    private PermissionApi permissionApi;
-    @Setter
-    private DeptApi deptApi;
-    @Setter
-    private AdminUserApi adminUserApi;
-    @Setter
-    private List<BpmTaskAssignScript> scripts;
 
     @Override
     public UserTaskActivityBehavior createUserTaskActivityBehavior(UserTask userTask) {
-        BpmUserTaskActivityBehavior userTaskActivityBehavior = new BpmUserTaskActivityBehavior(userTask);
-        userTaskActivityBehavior.setBpmTaskRuleService(bpmTaskRuleService);
-        userTaskActivityBehavior.setPermissionApi(permissionApi);
-        userTaskActivityBehavior.setDeptApi(deptApi);
-        userTaskActivityBehavior.setUserGroupService(userGroupService);
-        userTaskActivityBehavior.setAdminUserApi(adminUserApi);
-        userTaskActivityBehavior.setScripts(scripts);
-        return userTaskActivityBehavior;
+        return new BpmUserTaskActivityBehavior(userTask)
+                .setBpmTaskRuleService(bpmTaskRuleService);
     }
 
     @Override
     public ParallelMultiInstanceBehavior createParallelMultiInstanceBehavior(Activity activity,
                                                                              AbstractBpmnActivityBehavior innerActivityBehavior) {
-        BpmParallelMultiInstanceActivityBehavior bpmParallelMultiInstanceActivityBehavior =
-            new BpmParallelMultiInstanceActivityBehavior(activity, innerActivityBehavior);
-        bpmParallelMultiInstanceActivityBehavior.setBpmTaskRuleService(bpmTaskRuleService);
-        bpmParallelMultiInstanceActivityBehavior.setPermissionApi(permissionApi);
-        bpmParallelMultiInstanceActivityBehavior.setDeptApi(deptApi);
-        bpmParallelMultiInstanceActivityBehavior.setUserGroupService(userGroupService);
-        bpmParallelMultiInstanceActivityBehavior.setAdminUserApi(adminUserApi);
-        bpmParallelMultiInstanceActivityBehavior.setScripts(scripts);
-        return bpmParallelMultiInstanceActivityBehavior;
+        return new BpmParallelMultiInstanceBehavior(activity, innerActivityBehavior)
+                .setBpmTaskRuleService(bpmTaskRuleService);
     }
+
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/BpmParallelMultiInstanceActivityBehavior.java

@@ -1,194 +0,0 @@
-package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior;
-
-import cn.hutool.core.collection.CollUtil;
-import cn.hutool.core.util.StrUtil;
-import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
-import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmTaskAssignRuleDO;
-import cn.iocoder.yudao.module.bpm.domain.enums.definition.BpmTaskAssignRuleTypeEnum;
-import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
-import cn.iocoder.yudao.module.bpm.service.definition.BpmTaskAssignRuleService;
-import cn.iocoder.yudao.module.bpm.service.definition.BpmUserGroupService;
-import cn.iocoder.yudao.module.system.api.dept.DeptApi;
-import cn.iocoder.yudao.module.system.api.permission.PermissionApi;
-import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
-import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
-import com.google.common.annotations.VisibleForTesting;
-import lombok.Setter;
-import lombok.extern.slf4j.Slf4j;
-import org.flowable.bpmn.model.Activity;
-import org.flowable.common.engine.api.FlowableException;
-import org.flowable.engine.delegate.DelegateExecution;
-import org.flowable.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior;
-import org.flowable.engine.impl.bpmn.behavior.ParallelMultiInstanceBehavior;
-import org.flowable.engine.impl.util.CommandContextUtil;
-
-import java.util.*;
-
-import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
-import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
-import static cn.iocoder.yudao.framework.common.util.json.JsonUtils.toJsonString;
-import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.TASK_CREATE_FAIL_NO_CANDIDATE_USER;
-
-/**
- * @author kemengkai
- * @create 2022-04-21 16:57
- */
-@Slf4j
-public class BpmParallelMultiInstanceActivityBehavior extends ParallelMultiInstanceBehavior {
-
-    @Setter
-    private BpmTaskAssignRuleService bpmTaskRuleService;
-    @Setter
-    private BpmUserGroupService userGroupService;
-    @Setter
-    private DeptApi deptApi;
-    @Setter
-    private AdminUserApi adminUserApi;
-    @Setter
-    private PermissionApi permissionApi;
-    /**
-     * EL表达式集合模板
-     */
-    private final static String EXPRESSION_TEXT_TEMPLATE = "${coll_userList}";
-
-    /**
-     * 任务分配脚本
-     */
-    private Map<Long, BpmTaskAssignScript> scriptMap = Collections.emptyMap();
-
-    public BpmParallelMultiInstanceActivityBehavior(Activity activity,
-        AbstractBpmnActivityBehavior innerActivityBehavior) {
-        super(activity, innerActivityBehavior);
-    }
-
-    public void setScripts(List<BpmTaskAssignScript> scripts) {
-        this.scriptMap = convertMap(scripts, script -> script.getEnum().getId());
-    }
-
-    /**
-     * 创建并行任务
-     *
-     * @param multiInstanceRootExecution 并行任务入参
-     *
-     * @return 返回结果
-     */
-    @Override
-    protected int createInstances(DelegateExecution multiInstanceRootExecution) {
-        // 查找任务信息
-        BpmTaskAssignRuleDO taskRule = getTaskRule(multiInstanceRootExecution);
-        // 获取任务用户
-        Set<Long> assigneeUserIds = calculateTaskCandidateUsers(multiInstanceRootExecution, taskRule);
-        // 设置任务集合变量
-        String expressionText = String.format("%s_userList", taskRule.getTaskDefinitionKey());
-        // 设置任务集合变量与任务关系
-        multiInstanceRootExecution.setVariable(expressionText, assigneeUserIds);
-        // 设置任务集合EL表达式
-        this.collectionExpression = CommandContextUtil.getProcessEngineConfiguration().getExpressionManager()
-            .createExpression(String.format("${%s}", expressionText));
-        // 根据会签，或签类型，设置会签,或签条件
-        if (BpmTaskAssignRuleTypeEnum.USER_SIGN.getType().equals(taskRule.getType())) {
-            // 会签
-            this.completionCondition = "${ nrOfInstances == nrOfCompletedInstances }";
-        } else {
-            // 或签
-            this.completionCondition = "${ nrOfCompletedInstances == 1 }";
-        }
-        // 设置取出集合变量
-        this.collectionElementVariable = "user";
-        return super.createInstances(multiInstanceRootExecution);
-    }
-
-    @Override
-    protected Object resolveCollection(DelegateExecution execution) {
-        Object collection = null;
-        if (EXPRESSION_TEXT_TEMPLATE.equals(this.collectionExpression.getExpressionText())) {
-            // 查找任务信息
-            BpmTaskAssignRuleDO taskRule = getTaskRule(execution);
-            // 设置任务集合变量
-            String expressionText = String.format("%s_userList", execution.getCurrentActivityId());
-            // 获取任务用户
-            Set<Long> assigneeUserIds = calculateTaskCandidateUsers(execution, taskRule);
-            // 设置任务集合变量与任务关系
-            execution.setVariable(expressionText, assigneeUserIds);
-            // 设置任务集合EL表达式
-            this.collectionExpression = CommandContextUtil.getProcessEngineConfiguration().getExpressionManager()
-                .createExpression(String.format("${%s}", expressionText));
-        }
-        if (this.collectionExpression != null) {
-            collection = this.collectionExpression.getValue(execution);
-        } else if (this.collectionVariable != null) {
-            collection = execution.getVariable(this.collectionVariable);
-        } else if (this.collectionString != null) {
-            collection = this.collectionString;
-        }
-
-        return collection;
-    }
-
-    private BpmTaskAssignRuleDO getTaskRule(DelegateExecution task) {
-        List<BpmTaskAssignRuleDO> taskRules =
-            bpmTaskRuleService.getTaskAssignRuleListByProcessDefinitionId(task.getProcessDefinitionId(),
-                task.getCurrentActivityId());
-        if (CollUtil.isEmpty(taskRules)) {
-            throw new FlowableException(
-                StrUtil.format("流程任务({}/{}/{}) 找不到符合的任务规则", task.getId(), task.getProcessDefinitionId(),
-                    task.getCurrentActivityId()));
-        }
-        if (taskRules.size() > 1) {
-            throw new FlowableException(
-                StrUtil.format("流程任务({}/{}/{}) 找到过多任务规则({})", task.getId(), task.getProcessDefinitionId(),
-                    task.getCurrentActivityId(), taskRules.size()));
-        }
-        return taskRules.get(0);
-    }
-
-    Set<Long> calculateTaskCandidateUsers(DelegateExecution task, BpmTaskAssignRuleDO rule) {
-        Set<Long> assigneeUserIds = null;
-        //        if (Objects.equals(BpmTaskAssignRuleTypeEnum.ROLE.getType(), rule.getType())) {
-        //            assigneeUserIds = calculateTaskCandidateUsersByRole(task, rule);
-        //        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.DEPT_MEMBER.getType(), rule.getType())) {
-        //            assigneeUserIds = calculateTaskCandidateUsersByDeptMember(task, rule);
-        //        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.DEPT_LEADER.getType(), rule.getType())) {
-        //            assigneeUserIds = calculateTaskCandidateUsersByDeptLeader(task, rule);
-        //        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.POST.getType(), rule.getType())) {
-        //            assigneeUserIds = calculateTaskCandidateUsersByPost(task, rule);
-        //        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER.getType(), rule.getType())) {
-        //            assigneeUserIds = calculateTaskCandidateUsersByUser(task, rule);
-        //        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER_GROUP.getType(), rule.getType())) {
-        //            assigneeUserIds = calculateTaskCandidateUsersByUserGroup(task, rule);
-        //        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.SCRIPT.getType(), rule.getType())) {
-        //            assigneeUserIds = calculateTaskCandidateUsersByScript(task, rule);
-        if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER_SIGN.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersSignByUser(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER_OR_SIGN.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersSignByUser(task, rule);
-        }
-
-        // 移除被禁用的用户
-        removeDisableUsers(assigneeUserIds);
-        // 如果候选人为空，抛出异常 TODO 芋艿：没候选人的策略选择。1 - 挂起；2 - 直接结束；3 - 强制一个兜底人
-        if (CollUtil.isEmpty(assigneeUserIds)) {
-            log.error("[calculateTaskCandidateUsers][流程任务({}/{}/{}) 任务规则({}) 找不到候选人]", task.getId(),
-                task.getProcessDefinitionId(), task.getCurrentActivityId(), toJsonString(rule));
-            throw exception(TASK_CREATE_FAIL_NO_CANDIDATE_USER);
-        }
-        return assigneeUserIds;
-    }
-
-    private Set<Long> calculateTaskCandidateUsersSignByUser(DelegateExecution task, BpmTaskAssignRuleDO rule) {
-        return rule.getOptions();
-    }
-
-    @VisibleForTesting
-    void removeDisableUsers(Set<Long> assigneeUserIds) {
-        if (CollUtil.isEmpty(assigneeUserIds)) {
-            return;
-        }
-        //TODO 芋艿 这里有数据权限的问题。默认会加上数据权限 dept_id IN (deptId). 导致查询不到数据
-        Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(assigneeUserIds);
-        assigneeUserIds.removeIf(id -> {
-            AdminUserRespDTO user = userMap.get(id);
-            return user == null || !CommonStatusEnum.ENABLE.getStatus().equals(user.getStatus());
-        });
-    }
-}

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/BpmParallelMultiInstanceBehavior.java

@@ -0,0 +1,116 @@
+package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.iocoder.yudao.framework.common.util.collection.SetUtils;
+import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmTaskAssignRuleDO;
+import cn.iocoder.yudao.module.bpm.service.definition.BpmTaskAssignRuleService;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
+import org.flowable.bpmn.model.Activity;
+import org.flowable.engine.delegate.DelegateExecution;
+import org.flowable.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior;
+import org.flowable.engine.impl.bpmn.behavior.ParallelMultiInstanceBehavior;
+import org.flowable.engine.impl.util.CommandContextUtil;
+
+import java.util.Set;
+
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.framework.common.util.json.JsonUtils.toJsonString;
+import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.TASK_CREATE_FAIL_NO_CANDIDATE_USER;
+
+/**
+ * @author kemengkai
+ * @create 2022-04-21 16:57
+ */
+@Slf4j
+public class BpmParallelMultiInstanceBehavior extends ParallelMultiInstanceBehavior {
+
+    /**
+     * EL表达式集合模板
+     */
+    private final static String EXPRESSION_TEXT_TEMPLATE = "${coll_userList}";
+
+    @Setter
+    private BpmTaskAssignRuleService bpmTaskRuleService;
+
+    public BpmParallelMultiInstanceBehavior(Activity activity,
+                                            AbstractBpmnActivityBehavior innerActivityBehavior) {
+        super(activity, innerActivityBehavior);
+    }
+
+    /**
+     * 创建并行任务
+     *
+     * @param multiInstanceRootExecution 并行任务入参
+     *
+     * @return 返回结果
+     */
+    @Override
+    protected int createInstances(DelegateExecution multiInstanceRootExecution) {
+        // 查找任务信息
+//        BpmTaskAssignRuleDO taskRule = getTaskRule(multiInstanceRootExecution);
+        BpmTaskAssignRuleDO taskRule = null;
+        // 获取任务用户
+        Set<Long> assigneeUserIds = calculateTaskCandidateUsers(multiInstanceRootExecution, taskRule);
+        // 设置任务集合变量
+        String expressionText = String.format("%s_userList", taskRule.getTaskDefinitionKey());
+        // 设置任务集合变量与任务关系
+        multiInstanceRootExecution.setVariable(expressionText, assigneeUserIds);
+        // 设置任务集合EL表达式
+        this.collectionExpression = CommandContextUtil.getProcessEngineConfiguration().getExpressionManager()
+            .createExpression(String.format("${%s}", expressionText));
+        // 根据会签，或签类型，设置会签,或签条件
+//        if (BpmTaskAssignRuleTypeEnum.USER_SIGN.getType().equals(taskRule.getType())) {
+//            // 会签
+//            this.completionCondition = "${ nrOfInstances == nrOfCompletedInstances }";
+//        } else {
+//            // 或签
+//            this.completionCondition = "${ nrOfCompletedInstances == 1 }";
+//        }
+        // 设置取出集合变量
+        this.collectionElementVariable = "user";
+        return super.createInstances(multiInstanceRootExecution);
+    }
+
+    @Override
+    protected Object resolveCollection(DelegateExecution execution) {
+        Object collection = null;
+        if (EXPRESSION_TEXT_TEMPLATE.equals(this.collectionExpression.getExpressionText())) {
+            // 查找任务信息
+//            BpmTaskAssignRuleDO taskRule = getTaskRule(execution);
+            BpmTaskAssignRuleDO taskRule = null;
+            // 设置任务集合变量
+            String expressionText = String.format("%s_userList", execution.getCurrentActivityId());
+            // 获取任务用户
+            Set<Long> assigneeUserIds = calculateTaskCandidateUsers(execution, taskRule);
+            // 设置任务集合变量与任务关系
+            execution.setVariable(expressionText, assigneeUserIds);
+            // 设置任务集合EL表达式
+            this.collectionExpression = CommandContextUtil.getProcessEngineConfiguration().getExpressionManager()
+                .createExpression(String.format("${%s}", expressionText));
+        }
+        if (this.collectionExpression != null) {
+            collection = this.collectionExpression.getValue(execution);
+        } else if (this.collectionVariable != null) {
+            collection = execution.getVariable(this.collectionVariable);
+        } else if (this.collectionString != null) {
+            collection = this.collectionString;
+        }
+
+        return collection;
+    }
+
+    Set<Long> calculateTaskCandidateUsers(DelegateExecution task, BpmTaskAssignRuleDO rule) {
+        Set<Long> assigneeUserIds = SetUtils.asSet(1L, 104L);
+
+        // 移除被禁用的用户
+        // 如果候选人为空，抛出异常 TODO 芋艿：没候选人的策略选择。1 - 挂起；2 - 直接结束；3 - 强制一个兜底人
+        if (CollUtil.isEmpty(assigneeUserIds)) {
+            log.error("[calculateTaskCandidateUsers][流程任务({}/{}/{}) 任务规则({}) 找不到候选人]", task.getId(),
+                task.getProcessDefinitionId(), task.getCurrentActivityId(), toJsonString(rule));
+            throw exception(TASK_CREATE_FAIL_NO_CANDIDATE_USER);
+        }
+        return assigneeUserIds;
+    }
+
+}

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/BpmUserTaskActivityBehavior.java

@@ -2,25 +2,11 @@ package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.RandomUtil;
-import cn.hutool.core.util.StrUtil;
-import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
 import cn.iocoder.yudao.framework.datapermission.core.annotation.DataPermission;
-import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmTaskAssignRuleDO;
-import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmUserGroupDO;
-import cn.iocoder.yudao.module.bpm.domain.enums.definition.BpmTaskAssignRuleTypeEnum;
-import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
 import cn.iocoder.yudao.module.bpm.service.definition.BpmTaskAssignRuleService;
-import cn.iocoder.yudao.module.bpm.service.definition.BpmUserGroupService;
-import cn.iocoder.yudao.module.system.api.dept.DeptApi;
-import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
-import cn.iocoder.yudao.module.system.api.permission.PermissionApi;
-import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
-import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
-import com.google.common.annotations.VisibleForTesting;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.flowable.bpmn.model.UserTask;
-import org.flowable.common.engine.api.FlowableException;
 import org.flowable.common.engine.impl.el.ExpressionManager;
 import org.flowable.engine.delegate.DelegateExecution;
 import org.flowable.engine.impl.bpmn.behavior.UserTaskActivityBehavior;
@@ -29,14 +15,9 @@ import org.flowable.engine.impl.util.TaskHelper;
 import org.flowable.task.service.TaskService;
 import org.flowable.task.service.impl.persistence.entity.TaskEntity;
 
-import java.util.*;
-
-import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
-import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
-import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
-import static cn.iocoder.yudao.framework.common.util.json.JsonUtils.toJsonString;
-import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.TASK_ASSIGN_SCRIPT_NOT_EXISTS;
-import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.TASK_CREATE_FAIL_NO_CANDIDATE_USER;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
 /**
  * 自定义的流程任务的 assignee 负责人的分配
@@ -51,152 +32,23 @@ public class BpmUserTaskActivityBehavior extends UserTaskActivityBehavior {
 
     @Setter
     private BpmTaskAssignRuleService bpmTaskRuleService;
-    @Setter
-    private BpmUserGroupService userGroupService;
-    @Setter
-    private DeptApi deptApi;
-    @Setter
-    private AdminUserApi adminUserApi;
-    @Setter
-    private PermissionApi permissionApi;
-
-    /**
-     * 任务分配脚本
-     */
-    private Map<Long, BpmTaskAssignScript> scriptMap = Collections.emptyMap();
 
     public BpmUserTaskActivityBehavior(UserTask userTask) {
         super(userTask);
     }
 
-    public void setScripts(List<BpmTaskAssignScript> scripts) {
-        this.scriptMap = convertMap(scripts, script -> script.getEnum().getId());
-    }
-
     @Override
     @DataPermission(enable = false) // 不需要处理数据权限， 不然会有问题，查询不到数据
     protected void handleAssignments(TaskService taskService, String assignee, String owner,
         List<String> candidateUsers, List<String> candidateGroups, TaskEntity task, ExpressionManager expressionManager,
         DelegateExecution execution, ProcessEngineConfigurationImpl processEngineConfiguration) {
-        /*boolean isMultiInstance = hasMultiInstanceCharacteristics();
-        if (isMultiInstance) {
-            //多实例 会签/或签,执行多次每个人 待办人都在execution里面获取
-            Integer assigneeUserId = execution.getVariableLocal("user", Integer.class);
-            TaskHelper.changeTaskAssignee(task, String.valueOf(assigneeUserId));
-        } else {
-            // 第一步，获得任务的规则
-            BpmTaskAssignRuleDO rule = getTaskRule(task);
-            // 第二步，获得任务的候选用户们
-            Set<Long> candidateUserIds = calculateTaskCandidateUsers(task, rule);
-            // 第三步，设置一个作为负责人
+        // 第一步，获得任务的候选用户们
+        Set<Long> candidateUserIds = bpmTaskRuleService.calculateTaskCandidateUsers(task);
+        // 第二步，选择一个作为候选人
         Long assigneeUserId = chooseTaskAssignee(execution, candidateUserIds);
+        // 第三步，设置作为负责人
         TaskHelper.changeTaskAssignee(task, String.valueOf(assigneeUserId));
     }
-        */
-        // 第一步，获得任务的规则
-        BpmTaskAssignRuleDO rule = getTaskRule(task);
-        // 第二步，获得任务的候选用户们
-        Set<Long> candidateUserIds = calculateTaskCandidateUsers(task, rule);
-        // 第三步，设置一个作为负责人
-        Long assigneeUserId = chooseTaskAssignee(execution, candidateUserIds);
-        TaskHelper.changeTaskAssignee(task, String.valueOf(assigneeUserId));
-    }
-
-    private BpmTaskAssignRuleDO getTaskRule(TaskEntity task) {
-        List<BpmTaskAssignRuleDO> taskRules =
-            bpmTaskRuleService.getTaskAssignRuleListByProcessDefinitionId(task.getProcessDefinitionId(),
-                task.getTaskDefinitionKey());
-        if (CollUtil.isEmpty(taskRules)) {
-            throw new FlowableException(
-                StrUtil.format("流程任务({}/{}/{}) 找不到符合的任务规则", task.getId(), task.getProcessDefinitionId(),
-                    task.getTaskDefinitionKey()));
-        }
-        if (taskRules.size() > 1) {
-            throw new FlowableException(
-                StrUtil.format("流程任务({}/{}/{}) 找到过多任务规则({})", task.getId(), task.getProcessDefinitionId(),
-                    task.getTaskDefinitionKey(), taskRules.size()));
-        }
-        return taskRules.get(0);
-    }
-
-    Set<Long> calculateTaskCandidateUsers(TaskEntity task, BpmTaskAssignRuleDO rule) {
-        Set<Long> assigneeUserIds = null;
-        if (Objects.equals(BpmTaskAssignRuleTypeEnum.ROLE.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByRole(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.DEPT_MEMBER.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByDeptMember(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.DEPT_LEADER.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByDeptLeader(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.POST.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByPost(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByUser(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER_GROUP.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByUserGroup(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.SCRIPT.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByScript(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER_SIGN.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByUser(task, rule);
-        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER_OR_SIGN.getType(), rule.getType())) {
-            assigneeUserIds = calculateTaskCandidateUsersByUser(task, rule);
-        }
-
-        // 移除被禁用的用户
-        removeDisableUsers(assigneeUserIds);
-        // 如果候选人为空，抛出异常 TODO 芋艿：没候选人的策略选择。1 - 挂起；2 - 直接结束；3 - 强制一个兜底人
-        if (CollUtil.isEmpty(assigneeUserIds)) {
-            log.error("[calculateTaskCandidateUsers][流程任务({}/{}/{}) 任务规则({}) 找不到候选人]", task.getId(),
-                task.getProcessDefinitionId(), task.getTaskDefinitionKey(), toJsonString(rule));
-            throw exception(TASK_CREATE_FAIL_NO_CANDIDATE_USER);
-        }
-        return assigneeUserIds;
-    }
-
-    private Set<Long> calculateTaskCandidateUsersByRole(TaskEntity task, BpmTaskAssignRuleDO rule) {
-        return permissionApi.getUserRoleIdListByRoleIds(rule.getOptions());
-    }
-
-    private Set<Long> calculateTaskCandidateUsersByDeptMember(TaskEntity task, BpmTaskAssignRuleDO rule) {
-        List<AdminUserRespDTO> users = adminUserApi.getUsersByDeptIds(rule.getOptions());
-        return convertSet(users, AdminUserRespDTO::getId);
-    }
-
-    private Set<Long> calculateTaskCandidateUsersByDeptLeader(TaskEntity task, BpmTaskAssignRuleDO rule) {
-        List<DeptRespDTO> depts = deptApi.getDepts(rule.getOptions());
-        return convertSet(depts, DeptRespDTO::getLeaderUserId);
-    }
-
-    private Set<Long> calculateTaskCandidateUsersByPost(TaskEntity task, BpmTaskAssignRuleDO rule) {
-        List<AdminUserRespDTO> users = adminUserApi.getUsersByPostIds(rule.getOptions());
-        return convertSet(users, AdminUserRespDTO::getId);
-    }
-
-    private Set<Long> calculateTaskCandidateUsersByUser(TaskEntity task, BpmTaskAssignRuleDO rule) {
-        return rule.getOptions();
-    }
-
-    private Set<Long> calculateTaskCandidateUsersByUserGroup(TaskEntity task, BpmTaskAssignRuleDO rule) {
-        List<BpmUserGroupDO> userGroups = userGroupService.getUserGroupList(rule.getOptions());
-        Set<Long> userIds = new HashSet<>();
-        userGroups.forEach(group -> userIds.addAll(group.getMemberUserIds()));
-        return userIds;
-    }
-
-    private Set<Long> calculateTaskCandidateUsersByScript(TaskEntity task, BpmTaskAssignRuleDO rule) {
-        // 获得对应的脚本
-        List<BpmTaskAssignScript> scripts = new ArrayList<>(rule.getOptions().size());
-        rule.getOptions().forEach(id -> {
-            BpmTaskAssignScript script = scriptMap.get(id);
-            if (script == null) {
-                throw exception(TASK_ASSIGN_SCRIPT_NOT_EXISTS, id);
-            }
-            scripts.add(script);
-        });
-        // 逐个计算任务
-        Set<Long> userIds = new HashSet<>();
-        scripts.forEach(script -> CollUtil.addAll(userIds, script.calculateTaskCandidateUsers(task)));
-        return userIds;
-    }
 
     private Long chooseTaskAssignee(DelegateExecution execution, Set<Long> candidateUserIds) {
         // 获取任务变量
@@ -214,16 +66,4 @@ public class BpmUserTaskActivityBehavior extends UserTaskActivityBehavior {
         return CollUtil.get(candidateUserIds, index);
     }
 
-    @VisibleForTesting
-    void removeDisableUsers(Set<Long> assigneeUserIds) {
-        if (CollUtil.isEmpty(assigneeUserIds)) {
-            return;
-        }
-        //TODO 芋艿 这里有数据权限的问题。默认会加上数据权限 dept_id IN (deptId). 导致查询不到数据
-        Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(assigneeUserIds);
-        assigneeUserIds.removeIf(id -> {
-            AdminUserRespDTO user = userMap.get(id);
-            return user == null || !CommonStatusEnum.ENABLE.getStatus().equals(user.getStatus());
-        });
-    }
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmTaskAssignRuleService.java

@@ -4,10 +4,12 @@ import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAs
 import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAssignRuleRespVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAssignRuleUpdateReqVO;
 import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmTaskAssignRuleDO;
+import org.flowable.task.service.impl.persistence.entity.TaskEntity;
 import org.springframework.lang.Nullable;
 
 import javax.validation.Valid;
 import java.util.List;
+import java.util.Set;
 
 /**
  * BPM 任务分配规则 Service 接口
@@ -84,4 +86,6 @@ public interface BpmTaskAssignRuleService {
      */
     void checkTaskAssignRuleAllConfig(String id);
 
+    Set<Long> calculateTaskCandidateUsers(TaskEntity task);
+
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmTaskAssignRuleServiceImpl.java

@@ -3,25 +3,35 @@ package cn.iocoder.yudao.module.bpm.service.definition;
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
+import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
 import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
 import cn.iocoder.yudao.framework.common.util.object.ObjectUtils;
+import cn.iocoder.yudao.framework.datapermission.core.annotation.DataPermission;
 import cn.iocoder.yudao.framework.flowable.core.util.FlowableUtils;
 import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAssignRuleCreateReqVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAssignRuleRespVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAssignRuleUpdateReqVO;
 import cn.iocoder.yudao.module.bpm.convert.definition.BpmTaskAssignRuleConvert;
 import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmTaskAssignRuleDO;
+import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmUserGroupDO;
 import cn.iocoder.yudao.module.bpm.dal.mysql.definition.BpmTaskAssignRuleMapper;
-import cn.iocoder.yudao.module.bpm.enums.DictTypeConstants;
 import cn.iocoder.yudao.module.bpm.domain.enums.definition.BpmTaskAssignRuleTypeEnum;
+import cn.iocoder.yudao.module.bpm.enums.DictTypeConstants;
+import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
 import cn.iocoder.yudao.module.system.api.dept.DeptApi;
 import cn.iocoder.yudao.module.system.api.dept.PostApi;
+import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
 import cn.iocoder.yudao.module.system.api.dict.DictDataApi;
+import cn.iocoder.yudao.module.system.api.permission.PermissionApi;
 import cn.iocoder.yudao.module.system.api.permission.RoleApi;
 import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
+import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
+import com.google.common.annotations.VisibleForTesting;
 import lombok.extern.slf4j.Slf4j;
 import org.flowable.bpmn.model.BpmnModel;
 import org.flowable.bpmn.model.UserTask;
+import org.flowable.common.engine.api.FlowableException;
+import org.flowable.task.service.impl.persistence.entity.TaskEntity;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
@@ -31,6 +41,9 @@ import javax.validation.Valid;
 import java.util.*;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
+import static cn.iocoder.yudao.framework.common.util.json.JsonUtils.toJsonString;
 import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.*;
 
 /**
@@ -61,6 +74,17 @@ public class BpmTaskAssignRuleServiceImpl implements BpmTaskAssignRuleService {
     private AdminUserApi adminUserApi;
     @Resource
     private DictDataApi dictDataApi;
+    @Resource
+    private PermissionApi permissionApi;
+    /**
+     * 任务分配脚本
+     */
+    private Map<Long, BpmTaskAssignScript> scriptMap = Collections.emptyMap();
+
+    @Resource
+    public void setScripts(List<BpmTaskAssignScript> scripts) {
+        this.scriptMap = convertMap(scripts, script -> script.getEnum().getId());
+    }
 
     @Override
     public List<BpmTaskAssignRuleDO> getTaskAssignRuleListByProcessDefinitionId(String processDefinitionId,
@@ -198,10 +222,6 @@ public class BpmTaskAssignRuleServiceImpl implements BpmTaskAssignRuleService {
             adminUserApi.validUsers(options);
         } else if (Objects.equals(type, BpmTaskAssignRuleTypeEnum.USER_GROUP.getType())) {
             userGroupService.validUserGroups(options);
-        } else if (Objects.equals(type, BpmTaskAssignRuleTypeEnum.USER_SIGN.getType())) {
-            adminUserApi.validUsers(options);
-        } else if (Objects.equals(type, BpmTaskAssignRuleTypeEnum.USER_OR_SIGN.getType())) {
-            adminUserApi.validUsers(options);
         } else if (Objects.equals(type, BpmTaskAssignRuleTypeEnum.SCRIPT.getType())) {
             dictDataApi.validDictDatas(DictTypeConstants.TASK_ASSIGN_SCRIPT,
                 CollectionUtils.convertSet(options, String::valueOf));
@@ -209,4 +229,117 @@ public class BpmTaskAssignRuleServiceImpl implements BpmTaskAssignRuleService {
             throw new IllegalArgumentException(StrUtil.format("未知的规则类型({})", type));
         }
     }
+
+    @Override
+    @DataPermission(enable = false) // 忽略数据权限，不然分配会存在问题
+    public Set<Long> calculateTaskCandidateUsers(TaskEntity task) {
+        BpmTaskAssignRuleDO rule = getTaskRule(task);
+        return calculateTaskCandidateUsers(task, rule);
+    }
+
+    @VisibleForTesting
+    BpmTaskAssignRuleDO getTaskRule(TaskEntity task) {
+        List<BpmTaskAssignRuleDO> taskRules = getTaskAssignRuleListByProcessDefinitionId(
+                task.getProcessDefinitionId(), task.getTaskDefinitionKey());
+        if (CollUtil.isEmpty(taskRules)) {
+            throw new FlowableException(
+                    StrUtil.format("流程任务({}/{}/{}) 找不到符合的任务规则", task.getId(), task.getProcessDefinitionId(),
+                            task.getTaskDefinitionKey()));
+        }
+        if (taskRules.size() > 1) {
+            throw new FlowableException(
+                    StrUtil.format("流程任务({}/{}/{}) 找到过多任务规则({})", task.getId(), task.getProcessDefinitionId(),
+                            task.getTaskDefinitionKey(), taskRules.size()));
+        }
+        return taskRules.get(0);
+    }
+
+    @VisibleForTesting
+    Set<Long> calculateTaskCandidateUsers(TaskEntity task, BpmTaskAssignRuleDO rule) {
+        Set<Long> assigneeUserIds = null;
+        if (Objects.equals(BpmTaskAssignRuleTypeEnum.ROLE.getType(), rule.getType())) {
+            assigneeUserIds = calculateTaskCandidateUsersByRole(task, rule);
+        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.DEPT_MEMBER.getType(), rule.getType())) {
+            assigneeUserIds = calculateTaskCandidateUsersByDeptMember(task, rule);
+        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.DEPT_LEADER.getType(), rule.getType())) {
+            assigneeUserIds = calculateTaskCandidateUsersByDeptLeader(task, rule);
+        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.POST.getType(), rule.getType())) {
+            assigneeUserIds = calculateTaskCandidateUsersByPost(task, rule);
+        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER.getType(), rule.getType())) {
+            assigneeUserIds = calculateTaskCandidateUsersByUser(task, rule);
+        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER_GROUP.getType(), rule.getType())) {
+            assigneeUserIds = calculateTaskCandidateUsersByUserGroup(task, rule);
+        } else if (Objects.equals(BpmTaskAssignRuleTypeEnum.SCRIPT.getType(), rule.getType())) {
+            assigneeUserIds = calculateTaskCandidateUsersByScript(task, rule);
+        }
+
+        // 移除被禁用的用户
+        removeDisableUsers(assigneeUserIds);
+        // 如果候选人为空，抛出异常 TODO 芋艿：没候选人的策略选择。1 - 挂起；2 - 直接结束；3 - 强制一个兜底人
+        if (CollUtil.isEmpty(assigneeUserIds)) {
+            log.error("[calculateTaskCandidateUsers][流程任务({}/{}/{}) 任务规则({}) 找不到候选人]", task.getId(),
+                    task.getProcessDefinitionId(), task.getTaskDefinitionKey(), toJsonString(rule));
+            throw exception(TASK_CREATE_FAIL_NO_CANDIDATE_USER);
+        }
+        return assigneeUserIds;
+    }
+
+    private Set<Long> calculateTaskCandidateUsersByRole(TaskEntity task, BpmTaskAssignRuleDO rule) {
+        return permissionApi.getUserRoleIdListByRoleIds(rule.getOptions());
+    }
+
+    private Set<Long> calculateTaskCandidateUsersByDeptMember(TaskEntity task, BpmTaskAssignRuleDO rule) {
+        List<AdminUserRespDTO> users = adminUserApi.getUsersByDeptIds(rule.getOptions());
+        return convertSet(users, AdminUserRespDTO::getId);
+    }
+
+    private Set<Long> calculateTaskCandidateUsersByDeptLeader(TaskEntity task, BpmTaskAssignRuleDO rule) {
+        List<DeptRespDTO> depts = deptApi.getDepts(rule.getOptions());
+        return convertSet(depts, DeptRespDTO::getLeaderUserId);
+    }
+
+    private Set<Long> calculateTaskCandidateUsersByPost(TaskEntity task, BpmTaskAssignRuleDO rule) {
+        List<AdminUserRespDTO> users = adminUserApi.getUsersByPostIds(rule.getOptions());
+        return convertSet(users, AdminUserRespDTO::getId);
+    }
+
+    private Set<Long> calculateTaskCandidateUsersByUser(TaskEntity task, BpmTaskAssignRuleDO rule) {
+        return rule.getOptions();
+    }
+
+    private Set<Long> calculateTaskCandidateUsersByUserGroup(TaskEntity task, BpmTaskAssignRuleDO rule) {
+        List<BpmUserGroupDO> userGroups = userGroupService.getUserGroupList(rule.getOptions());
+        Set<Long> userIds = new HashSet<>();
+        userGroups.forEach(group -> userIds.addAll(group.getMemberUserIds()));
+        return userIds;
+    }
+
+    private Set<Long> calculateTaskCandidateUsersByScript(TaskEntity task, BpmTaskAssignRuleDO rule) {
+        // 获得对应的脚本
+        List<BpmTaskAssignScript> scripts = new ArrayList<>(rule.getOptions().size());
+        rule.getOptions().forEach(id -> {
+            BpmTaskAssignScript script = scriptMap.get(id);
+            if (script == null) {
+                throw exception(TASK_ASSIGN_SCRIPT_NOT_EXISTS, id);
+            }
+            scripts.add(script);
+        });
+        // 逐个计算任务
+        Set<Long> userIds = new HashSet<>();
+        scripts.forEach(script -> CollUtil.addAll(userIds, script.calculateTaskCandidateUsers(task)));
+        return userIds;
+    }
+
+    @VisibleForTesting
+    void removeDisableUsers(Set<Long> assigneeUserIds) {
+        if (CollUtil.isEmpty(assigneeUserIds)) {
+            return;
+        }
+        Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(assigneeUserIds);
+        assigneeUserIds.removeIf(id -> {
+            AdminUserRespDTO user = userMap.get(id);
+            return user == null || !CommonStatusEnum.ENABLE.getStatus().equals(user.getStatus());
+        });
+    }
+
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmTaskServiceImpl.java

@@ -15,7 +15,6 @@ import cn.iocoder.yudao.module.bpm.dal.dataobject.task.BpmTaskExtDO;
 import cn.iocoder.yudao.module.bpm.dal.mysql.definition.BpmTaskAssignRuleMapper;
 import cn.iocoder.yudao.module.bpm.dal.mysql.task.BpmActivityMapper;
 import cn.iocoder.yudao.module.bpm.dal.mysql.task.BpmTaskExtMapper;
-import cn.iocoder.yudao.module.bpm.domain.enums.definition.BpmTaskAssignRuleTypeEnum;
 import cn.iocoder.yudao.module.bpm.domain.enums.task.BpmProcessInstanceResultEnum;
 import cn.iocoder.yudao.module.bpm.service.message.BpmMessageService;
 import cn.iocoder.yudao.module.business.hi.task.inst.service.HiTaskInstService;
@@ -214,11 +213,12 @@ public class BpmTaskServiceImpl implements BpmTaskService {
             taskAssignRuleMapper.selectListByProcessDefinitionId(task.getProcessDefinitionId(),
                 task.getTaskDefinitionKey());
         if (CollUtil.isNotEmpty(bpmTaskAssignRuleList) && bpmTaskAssignRuleList.size() > 0) {
-            if (BpmTaskAssignRuleTypeEnum.USER_OR_SIGN.getType().equals(bpmTaskAssignRuleList.get(0).getType())) {
-                taskExtMapper.delTaskByProcInstIdAndTaskIdAndTaskDefKey(
-                    new BpmTaskExtDO().setTaskId(task.getId()).setTaskDefKey(task.getTaskDefinitionKey())
-                        .setProcessInstanceId(task.getProcessInstanceId()));
-            }
+            // edit by 芋艿
+//            if (BpmTaskAssignRuleTypeEnum.USER_OR_SIGN.getType().equals(bpmTaskAssignRuleList.get(0).getType())) {
+//                taskExtMapper.delTaskByProcInstIdAndTaskIdAndTaskDefKey(
+//                    new BpmTaskExtDO().setTaskId(task.getId()).setTaskDefKey(task.getTaskDefinitionKey())
+//                        .setProcessInstanceId(task.getProcessInstanceId()));
+//            }
         }
     }
 

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/business/hi/task/inst/service/HiTaskInstService.java

@@ -9,7 +9,6 @@ import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task.BpmTaskTodoPage
 import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmTaskAssignRuleDO;
 import cn.iocoder.yudao.module.bpm.dal.dataobject.task.BpmTaskExtDO;
 import cn.iocoder.yudao.module.bpm.dal.mysql.definition.BpmTaskAssignRuleMapper;
-import cn.iocoder.yudao.module.bpm.domain.enums.definition.BpmTaskAssignRuleTypeEnum;
 import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceService;
 import cn.iocoder.yudao.module.system.dal.dataobject.dept.DeptDO;
 import cn.iocoder.yudao.module.system.dal.dataobject.user.AdminUserDO;
@@ -21,14 +20,18 @@ import org.flowable.common.engine.impl.de.odysseus.el.ExpressionFactoryImpl;
 import org.flowable.common.engine.impl.de.odysseus.el.util.SimpleContext;
 import org.flowable.common.engine.impl.javax.el.ExpressionFactory;
 import org.flowable.common.engine.impl.javax.el.ValueExpression;
-import org.flowable.engine.*;
+import org.flowable.engine.HistoryService;
+import org.flowable.engine.RepositoryService;
 import org.flowable.engine.history.HistoricProcessInstance;
 import org.flowable.task.api.history.HistoricTaskInstance;
 import org.flowable.variable.api.history.HistoricVariableInstance;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
-import java.util.*;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
@@ -259,10 +262,11 @@ public class HiTaskInstService {
                     DeptDO deptDO = deptMap.get(adminUserDO.getDeptId());
                     bpmTaskRespVO.setAssigneeUser(setUser(adminUserDO));
                     bpmTaskRespVO.getAssigneeUser().setDeptName(deptDO.getName());
-                    if (!bpmTaskAssignRuleDO.getType().equals(BpmTaskAssignRuleTypeEnum.USER_OR_SIGN.getType())
-                        && !bpmTaskAssignRuleDO.getType().equals(BpmTaskAssignRuleTypeEnum.USER_SIGN.getType())) {
-                        break;
-                    }
+                    // edit by 芋艿
+//                    if (!bpmTaskAssignRuleDO.getType().equals(BpmTaskAssignRuleTypeEnum.USER_OR_SIGN.getType())
+//                        && !bpmTaskAssignRuleDO.getType().equals(BpmTaskAssignRuleTypeEnum.USER_SIGN.getType())) {
+//                        break;
+//                    }
                 }
             }
             getFlow(bpmnModel, nextTaskDefKey, tmpBpmTaskAssignRuleDOList, bpmTaskRespVOList, userDoMap, deptMap,

yudao-module-bpm/yudao-module-bpm-biz/src/main/resources/mapper/BpmActivityMapper.xml

@@ -21,6 +21,7 @@
         SELECT *
         FROM act_hi_taskinst;
     </select>
+
     <select id="listAllByProcInstIdAndDelete"
             resultType="cn.iocoder.yudao.module.bpm.dal.dataobject.task.BpmActivityDO">
         SELECT id_                AS `id`,

yudao-module-bpm/yudao-module-bpm-biz/src/test/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/script/impl/BpmTaskAssignLeaderX2ScriptTest.java

@@ -0,0 +1,96 @@
+package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.impl;
+
+import cn.iocoder.yudao.framework.test.core.ut.BaseMockitoUnitTest;
+import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceService;
+import cn.iocoder.yudao.module.system.api.dept.DeptApi;
+import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
+import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
+import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
+import org.flowable.task.service.impl.persistence.entity.TaskEntity;
+import org.flowable.task.service.impl.persistence.entity.TaskEntityImpl;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+
+import java.util.Set;
+
+import static cn.iocoder.yudao.framework.common.util.collection.SetUtils.asSet;
+import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomPojo;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.when;
+
+public class BpmTaskAssignLeaderX2ScriptTest extends BaseMockitoUnitTest {
+
+    @InjectMocks
+    private BpmTaskAssignLeaderX2Script script;
+
+    @Mock
+    private AdminUserApi adminUserApi;
+    @Mock
+    private DeptApi deptApi;
+    @Mock
+    private BpmProcessInstanceService bpmProcessInstanceService;
+
+    @Test
+    public void testCalculateTaskCandidateUsers_noDept() {
+        // 准备参数
+        TaskEntity task = buildTaskEntity(1L);
+        // mock 方法(startUser)
+        AdminUserRespDTO startUser = randomPojo(AdminUserRespDTO.class, o -> o.setDeptId(10L));
+        when(adminUserApi.getUser(eq(1L))).thenReturn(startUser);
+
+        // 调用
+        Set<Long> result = script.calculateTaskCandidateUsers(task);
+        // 断言
+        assertEquals(0, result.size());
+    }
+
+    @Test
+    public void testCalculateTaskCandidateUsers_noParentDept() {
+        // 准备参数
+        TaskEntity task = buildTaskEntity(1L);
+        // mock 方法(startUser)
+        AdminUserRespDTO startUser = randomPojo(AdminUserRespDTO.class, o -> o.setDeptId(10L));
+        when(adminUserApi.getUser(eq(1L))).thenReturn(startUser);
+        DeptRespDTO startUserDept = randomPojo(DeptRespDTO.class, o -> o.setId(10L).setParentId(100L)
+                .setLeaderUserId(20L));
+        when(deptApi.getDept(eq(10L))).thenReturn(startUserDept);
+
+        // 调用
+        Set<Long> result = script.calculateTaskCandidateUsers(task);
+        // 断言
+        assertEquals(asSet(20L), result);
+    }
+
+    @Test
+    public void testCalculateTaskCandidateUsers_existParentDept() {
+        // 准备参数
+        TaskEntity task = buildTaskEntity(1L);
+        // mock 方法(startUser)
+        AdminUserRespDTO startUser = randomPojo(AdminUserRespDTO.class, o -> o.setDeptId(10L));
+        when(adminUserApi.getUser(eq(1L))).thenReturn(startUser);
+        DeptRespDTO startUserDept = randomPojo(DeptRespDTO.class, o -> o.setId(10L).setParentId(100L)
+                .setLeaderUserId(20L));
+        when(deptApi.getDept(eq(10L))).thenReturn(startUserDept);
+        // mock 方法（父 dept）
+        DeptRespDTO parentDept = randomPojo(DeptRespDTO.class, o -> o.setId(100L).setParentId(1000L)
+                .setLeaderUserId(200L));
+        when(deptApi.getDept(eq(100L))).thenReturn(parentDept);
+
+        // 调用
+        Set<Long> result = script.calculateTaskCandidateUsers(task);
+        // 断言
+        assertEquals(asSet(200L), result);
+    }
+
+    @SuppressWarnings("SameParameterValue")
+    private TaskEntity buildTaskEntity(Long startUserId) {
+        TaskEntityImpl task = new TaskEntityImpl();
+//        task.setProcessInstance(new ExecutionEntityImpl());
+//        task.getProcessInstance().setStartUserId(String.valueOf(startUserId));
+        // TODO
+        return task;
+    }
+
+}

yudao-module-bpm/yudao-module-bpm-biz/src/test/java/cn/iocoder/yudao/module/bpm/service/definition/BpmTaskAssignRuleServiceImplTest.java

@@ -0,0 +1,217 @@
+package cn.iocoder.yudao.module.bpm.service.definition;
+
+import cn.hutool.core.map.MapUtil;
+import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
+import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
+import cn.iocoder.yudao.framework.test.core.ut.BaseDbUnitTest;
+import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmTaskAssignRuleDO;
+import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmUserGroupDO;
+import cn.iocoder.yudao.module.bpm.domain.enums.definition.BpmTaskAssignRuleTypeEnum;
+import cn.iocoder.yudao.module.bpm.domain.enums.definition.BpmTaskRuleScriptEnum;
+import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
+import cn.iocoder.yudao.module.system.api.dept.DeptApi;
+import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
+import cn.iocoder.yudao.module.system.api.permission.PermissionApi;
+import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
+import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
+import org.flowable.task.service.impl.persistence.entity.TaskEntity;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.context.annotation.Import;
+
+import javax.annotation.Resource;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import static cn.iocoder.yudao.framework.common.util.collection.SetUtils.asSet;
+import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomPojo;
+import static java.util.Collections.singleton;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.when;
+
+/**
+ * {@link BpmTaskAssignRuleService} 的单元测试
+ *
+ * @author 芋道源码
+ */
+@Import(BpmTaskAssignRuleServiceImpl.class)
+public class BpmTaskAssignRuleServiceImplTest extends BaseDbUnitTest {
+
+    @Resource
+    private BpmTaskAssignRuleServiceImpl bpmTaskRuleService;
+
+    @MockBean
+    private BpmUserGroupService userGroupService;
+    @MockBean
+    private DeptApi deptApi;
+    @MockBean
+    private AdminUserApi adminUserApi;
+    @MockBean
+    private PermissionApi permissionApi;
+
+    @Test
+    public void testCalculateTaskCandidateUsers_Role() {
+        // 准备参数
+        BpmTaskAssignRuleDO rule = new BpmTaskAssignRuleDO().setOptions(asSet(1L, 2L))
+                .setType(BpmTaskAssignRuleTypeEnum.ROLE.getType());
+        // mock 方法
+        when(permissionApi.getUserRoleIdListByRoleIds(eq(rule.getOptions())))
+                .thenReturn(asSet(11L, 22L));
+        mockGetUserMap(asSet(11L, 22L));
+
+        // 调用
+        Set<Long> results = bpmTaskRuleService.calculateTaskCandidateUsers(null, rule);
+        // 断言
+        assertEquals(asSet(11L, 22L), results);
+    }
+
+    @Test
+    public void testCalculateTaskCandidateUsers_DeptMember() {
+        // 准备参数
+        BpmTaskAssignRuleDO rule = new BpmTaskAssignRuleDO().setOptions(asSet(1L, 2L))
+                .setType(BpmTaskAssignRuleTypeEnum.DEPT_MEMBER.getType());
+        // mock 方法
+        List<AdminUserRespDTO> users = CollectionUtils.convertList(asSet(11L, 22L),
+                id -> new AdminUserRespDTO().setId(id));
+        when(adminUserApi.getUsersByDeptIds(eq(rule.getOptions()))).thenReturn(users);
+        mockGetUserMap(asSet(11L, 22L));
+
+        // 调用
+        Set<Long> results = bpmTaskRuleService.calculateTaskCandidateUsers(null, rule);
+        // 断言
+        assertEquals(asSet(11L, 22L), results);
+    }
+
+    @Test
+    public void testCalculateTaskCandidateUsers_DeptLeader() {
+        // 准备参数
+        BpmTaskAssignRuleDO rule = new BpmTaskAssignRuleDO().setOptions(asSet(1L, 2L))
+                .setType(BpmTaskAssignRuleTypeEnum.DEPT_LEADER.getType());
+        // mock 方法
+        DeptRespDTO dept1 = randomPojo(DeptRespDTO.class, o -> o.setLeaderUserId(11L));
+        DeptRespDTO dept2 = randomPojo(DeptRespDTO.class, o -> o.setLeaderUserId(22L));
+        when(deptApi.getDepts(eq(rule.getOptions()))).thenReturn(Arrays.asList(dept1, dept2));
+        mockGetUserMap(asSet(11L, 22L));
+
+        // 调用
+        Set<Long> results = bpmTaskRuleService.calculateTaskCandidateUsers(null, rule);
+        // 断言
+        assertEquals(asSet(11L, 22L), results);
+    }
+
+    @Test
+    public void testCalculateTaskCandidateUsers_Post() {
+        // 准备参数
+        BpmTaskAssignRuleDO rule = new BpmTaskAssignRuleDO().setOptions(asSet(1L, 2L))
+                .setType(BpmTaskAssignRuleTypeEnum.POST.getType());
+        // mock 方法
+        List<AdminUserRespDTO> users = CollectionUtils.convertList(asSet(11L, 22L),
+                id -> new AdminUserRespDTO().setId(id));
+        when(adminUserApi.getUsersByPostIds(eq(rule.getOptions()))).thenReturn(users);
+        mockGetUserMap(asSet(11L, 22L));
+
+        // 调用
+        Set<Long> results = bpmTaskRuleService.calculateTaskCandidateUsers(null, rule);
+        // 断言
+        assertEquals(asSet(11L, 22L), results);
+    }
+
+    @Test
+    public void testCalculateTaskCandidateUsers_User() {
+        // 准备参数
+        BpmTaskAssignRuleDO rule = new BpmTaskAssignRuleDO().setOptions(asSet(1L, 2L))
+                .setType(BpmTaskAssignRuleTypeEnum.USER.getType());
+        // mock 方法
+        mockGetUserMap(asSet(1L, 2L));
+
+        // 调用
+        Set<Long> results = bpmTaskRuleService.calculateTaskCandidateUsers(null, rule);
+        // 断言
+        assertEquals(asSet(1L, 2L), results);
+    }
+
+    @Test
+    public void testCalculateTaskCandidateUsers_UserGroup() {
+        // 准备参数
+        BpmTaskAssignRuleDO rule = new BpmTaskAssignRuleDO().setOptions(asSet(1L, 2L))
+                .setType(BpmTaskAssignRuleTypeEnum.USER_GROUP.getType());
+        // mock 方法
+        BpmUserGroupDO userGroup1 = randomPojo(BpmUserGroupDO.class, o -> o.setMemberUserIds(asSet(11L, 12L)));
+        BpmUserGroupDO userGroup2 = randomPojo(BpmUserGroupDO.class, o -> o.setMemberUserIds(asSet(21L, 22L)));
+        when(userGroupService.getUserGroupList(eq(rule.getOptions()))).thenReturn(Arrays.asList(userGroup1, userGroup2));
+        mockGetUserMap(asSet(11L, 12L, 21L, 22L));
+
+        // 调用
+        Set<Long> results = bpmTaskRuleService.calculateTaskCandidateUsers(null, rule);
+        // 断言
+        assertEquals(asSet(11L, 12L, 21L, 22L), results);
+    }
+
+    @Test
+    public void testCalculateTaskCandidateUsers_Script() {
+        // 准备参数
+        BpmTaskAssignRuleDO rule = new BpmTaskAssignRuleDO().setOptions(asSet(20L, 21L))
+                .setType(BpmTaskAssignRuleTypeEnum.SCRIPT.getType());
+        // mock 方法
+        BpmTaskAssignScript script1 = new BpmTaskAssignScript() {
+
+            @Override
+            public Set<Long> calculateTaskCandidateUsers(TaskEntity task) {
+                return singleton(11L);
+            }
+
+            @Override
+            public BpmTaskRuleScriptEnum getEnum() {
+                return BpmTaskRuleScriptEnum.LEADER_X1;
+            }
+        };
+        BpmTaskAssignScript script2 = new BpmTaskAssignScript() {
+
+            @Override
+            public Set<Long> calculateTaskCandidateUsers(TaskEntity task) {
+                return singleton(22L);
+            }
+
+            @Override
+            public BpmTaskRuleScriptEnum getEnum() {
+                return BpmTaskRuleScriptEnum.LEADER_X2;
+            }
+        };
+        bpmTaskRuleService.setScripts(Arrays.asList(script1, script2));
+        mockGetUserMap(asSet(11L, 22L));
+
+        // 调用
+        Set<Long> results = bpmTaskRuleService.calculateTaskCandidateUsers(null, rule);
+        // 断言
+        assertEquals(asSet(11L, 22L), results);
+    }
+
+    @Test
+    public void testRemoveDisableUsers() {
+        // 准备参数. 1L 可以找到；2L 是禁用的；3L 找不到
+        Set<Long> assigneeUserIds = asSet(1L, 2L, 3L);
+        // mock 方法
+        AdminUserRespDTO user1 = randomPojo(AdminUserRespDTO.class, o -> o.setId(1L)
+                .setStatus(CommonStatusEnum.ENABLE.getStatus()));
+        AdminUserRespDTO user2 = randomPojo(AdminUserRespDTO.class, o -> o.setId(2L)
+                .setStatus(CommonStatusEnum.DISABLE.getStatus()));
+        Map<Long, AdminUserRespDTO> userMap = MapUtil.builder(user1.getId(), user1)
+                .put(user2.getId(), user2).build();
+        when(adminUserApi.getUserMap(eq(assigneeUserIds))).thenReturn(userMap);
+
+        // 调用
+        bpmTaskRuleService.removeDisableUsers(assigneeUserIds);
+        // 断言
+        assertEquals(asSet(1L), assigneeUserIds);
+    }
+
+    private void mockGetUserMap(Set<Long> assigneeUserIds) {
+        Map<Long, AdminUserRespDTO> userMap = CollectionUtils.convertMap(assigneeUserIds, id -> id,
+                id -> new AdminUserRespDTO().setId(id).setStatus(CommonStatusEnum.ENABLE.getStatus()));
+        when(adminUserApi.getUserMap(eq(assigneeUserIds))).thenReturn(userMap);
+    }
+
+}