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server/routes/news.js

@@ -5,21 +5,47 @@ import { authRequired } from '../middleware.js'
 const router = Router()
 router.use(authRequired)
 
-// 新闻列表: 按时间最新优先, cursor 分页 (cursor = publishedAt ISO 字符串)
-// 用 prisma cursor 配合 id 兜底 (同一秒发布的新闻)
+// 新闻列表: 按时间最新优先, cursor 分页
+// cursor 格式: "<publishedAt ISO>|<lastId>", 兼容旧版纯时间戳 (不带 |)
+// 同秒多条时用 id 兜底, 避免翻页时整批漏掉
 router.get('/news', async (req, res, next) => {
   try {
-    const limit = Math.min(Number(req.query.limit) || 10, 50)
-    const cursor = req.query.cursor || null
-    const where = cursor ? { publishedAt: { lt: new Date(cursor) } } : {}
+    const rawLimit = Number(req.query.limit)
+    const limit = Number.isFinite(rawLimit) && rawLimit >= 1 ? Math.min(Math.floor(rawLimit), 50) : 10
+    let where = {}
+    const cursor = req.query.cursor || ''
+    if (cursor) {
+      const [ts, idRaw] = cursor.split('|')
+      const c = new Date(ts)
+      if (!isNaN(c.getTime())) {
+        const id = Number(idRaw)
+        where = id > 0
+          ? { OR: [{ publishedAt: { lt: c } }, { publishedAt: c, id: { lt: id } }] }
+          : { publishedAt: { lt: c } }
+      }
+    }
     const items = await prisma.news.findMany({
+      select: { id: true, title: true, summary: true, source: true, url: true, publishedAt: true, impactRank: true },
       where,
       orderBy: [{ publishedAt: 'desc' }, { id: 'desc' }],
       take: limit,
     })
-    const nextCursor = items.length === limit ? items[items.length - 1].publishedAt.toISOString() : null
+    const nextCursor = items.length === limit && items.length > 0
+      ? items[items.length - 1].publishedAt.toISOString() + '|' + items[items.length - 1].id
+      : null
     res.json({ items, nextCursor })
   } catch (e) { next(e) }
 })
 
+// 新闻详情: 含正文 content
+router.get('/news/:id', async (req, res, next) => {
+  try {
+    const id = Number(req.params.id)
+    if (!Number.isInteger(id) || id <= 0) return res.status(400).json({ error: '无效的新闻 id' })
+    const item = await prisma.news.findUnique({ where: { id } })
+    if (!item) return res.status(404).json({ error: '新闻不存在' })
+    res.json({ item })
+  } catch (e) { next(e) }
+})
+
 export default router