fix(ai): 解决会员学习数据转换中的空指针异常

Administrator

yesterday d158eb66602278d6f02b767b6639463ec4b671cb

 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);