From d158eb66602278d6f02b767b6639463ec4b671cb Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Fri, 23 Jan 2026 10:43:59 +0800
Subject: [PATCH] fix(ai): 解决会员学习数据转换中的空指针异常
---
src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java | 31 +++++++++++++++++--------------
1 files changed, 17 insertions(+), 14 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java b/src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java
index b580e19..7d97403 100644
--- a/src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java
+++ b/src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java
@@ -253,13 +253,6 @@
return new FebsResponse().success().data(vos);
}
- // 按 productPointId 分组并计算每个分组的总学习时间
- Map<String, Integer> productPointTimeMap = aiMemberPoints.stream()
- .collect(Collectors.groupingBy(
- AiMemberPoint::getProductPointId,
- Collectors.summingInt(AiMemberPoint::getTotalTime)
- ));
-
// stream流操作aiMemberPoints，返回一个productPointId的set集合
Set<String> productPointIdSet = aiMemberPoints.stream()
.map(AiMemberPoint::getProductPointId)
@@ -270,18 +263,28 @@
.select(AiProductPoint::getId, AiProductPoint::getTitle)
.in(AiProductPoint::getId, productPointIdSet)
);
+ //stream操作aiProductPoints，返回一个根据Map<id,AiProductPoint>
+ Map<String, AiProductPoint> productPointMap = aiProductPoints.stream().collect(Collectors.toMap(AiProductPoint::getId, aiProductPoint -> aiProductPoint));
if (CollUtil.isEmpty(aiProductPoints)){
return new FebsResponse().success().data(vos);
}
- for (AiProductPoint aiProductPoint : aiProductPoints){
- ApiMemberTeamStudyVo vo = new ApiMemberTeamStudyVo();
- vo.setTitle(aiProductPoint.getTitle());
- Integer totalTime = productPointTimeMap.get(aiProductPoint.getId());
- // 添加 null 值保护，避免 NPE
- vo.setTotalTime(DateUtil.secondToTime(totalTime != null ? totalTime : 0));
- vos.add(vo);
+ for (AiMemberPoint aiMemberPoint : aiMemberPoints) {
+ String productPointId = aiMemberPoint.getProductPointId();
+ AiProductPoint productPoint = productPointMap.get(productPointId);
+
+ // 检查 productPoint 是否存在
+ if (productPoint != null) {
+ ApiMemberTeamStudyVo vo = new ApiMemberTeamStudyVo();
+ vo.setTitle(productPoint.getTitle());
+
+ // 检查 totalTime 是否为 null
+ Integer totalTime = aiMemberPoint.getTotalTime();
+ vo.setTotalTime(DateUtil.secondToTime(totalTime != null ? totalTime : 0));
+
+ vos.add(vo);
+ }
}
return new FebsResponse().success().data(vos);
--
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