🔴 P0 | KnowledgeItem 确保 sourceType 返回文件类型 #61
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opened 2026-05-30 16:25:30 +08:00 by wangdl
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area:activity
活动/统计
area:admin
管理后台
area:admin-api
area:ai
AI/RAG
area:ai-runtime
AI Runtime / AI 分析体系相关
area:analytics
area:api
API 接口
area:auth
认证与授权
area:cos
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audit:api-admin-info
audit:api-info
audit:planned
已完成宏观规划,尚未代码审查
audit:reviewed
blocked-by:api-info-aggregation
blocked-by:api-info-core
blocked-by:api-info-ops
blocked-by:api-info-schema
blocked-by:processor
blocked-by:schema
priority:p0
最高优先级,阻塞发布
priority:p1
高优先级,里程碑必需
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中优先级,后续版本
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type:aggregation
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type:refactor
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work:admin-api
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H0:iOS 对接阻断修复(P0)
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Reference: wangdl/api-server#61
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背景
iOS 知识点列表需要展示文件类型标签(PDF / MD / HTML / 图片 / 文件),当前大部分知识点的 sourceType 返回空值,前端不得不通过标题后缀推断。
需求
影响页面
wangdl referenced this issue2026-06-05 19:34:38 +08:00
wangdl referenced this issue2026-06-05 19:34:40 +08:00
wangdl referenced this issue2026-06-05 19:36:02 +08:00
wangdl referenced this issue2026-06-05 19:36:03 +08:00
修复汇报 (2026-06-05)
实现方案
在
KnowledgeItemsRepository.create()中新增detectSourceType()自动检测逻辑:<开头 →html#/-/[link]()模式 →markdowntext修改文件
src/modules/knowledge-items/knowledge-items.repository.ts— 新增detectSourceType()函数,create()自动填充 sourceType兼容性
sourceType字段,手动传入优先级高于自动检测状态
✅ 代码已完成,文件已传至服务器,需重启 NestJS 生效。
优化 (2026-06-06)
问题
detectSourceType()中 markdown 检测正则/\[.+\]\(.+\)/使用贪婪匹配.+,超长文本可能触发 ReDoS 回溯爆炸。修复
改为懒惰匹配
/\[.+?\]\(.+?\)/,显著减少回溯。状态
✅ 已修复。