fix: 解决冲突

yudao-module-bpm/yudao-module-bpm-api/src/main/java/cn/iocoder/yudao/module/bpm/enums/ErrorCodeConstants.java

@@ -50,6 +50,9 @@ public interface ErrorCodeConstants {
     ErrorCode TASK_TARGET_NODE_NOT_EXISTS = new ErrorCode(1_009_005_004, " 目标节点不存在");
     ErrorCode TASK_RETURN_FAIL_NO_RETURN_TASK = new ErrorCode(1_009_005_005, "回退任务失败，选择回退的节点没有需要回滚的任务！请重新选择其他任务节点");
     ErrorCode TASK_RETURN_FAIL_SOURCE_TARGET_ERROR = new ErrorCode(1_009_005_006, "回退任务失败，目标节点是在并行网关上或非同一路线上，不可跳转");
+    ErrorCode TASK_DELEGATE_APPROVE_FAIL = new ErrorCode(1_009_005_007, "任务审批失败：委派任务找不到原审批人");
+    ErrorCode TASK_DELEGATE_USER_REPEAT = new ErrorCode(1_009_005_008, "任务委派失败，委派人和当前审批人为同一人");
+    ErrorCode TASK_DELEGATE_RECEIVE_USER_NULL = new ErrorCode(1_009_005_009, "任务委派失败，接收人不存在");
 
     // ========== 流程任务分配规则 1-009-006-000 ==========
     ErrorCode TASK_ASSIGN_RULE_EXISTS = new ErrorCode(1_009_006_000, "流程({}) 的任务({}) 已经存在分配规则");

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

@@ -492,6 +492,9 @@ public class BpmTaskServiceImpl implements BpmTaskService {
         // 添加审批意见
         AdminUserRespDTO currentUser = adminUserApi.getUser(WebFrameworkUtils.getLoginUserId());
         AdminUserRespDTO receiveUser = adminUserApi.getUser(reqVO.getReceiveId());
+        if (receiveUser == null) {
+            throw exception(TASK_DELEGATE_RECEIVE_USER_NULL);
+        }
         String comment = String.format("[%s]将任务委派给[%s]，委派理由为:%s", currentUser.getNickname(),
                 receiveUser.getNickname(), reqVO.getReason());
         String taskId = reqVO.getId();