更新首页

server/routes/alerts.js

@@ -8,16 +8,21 @@ router.use(authRequired)
 // 报警列表: 按时间最新优先, cursor 分页 (cursor = id)
 router.get('/alerts', async (req, res, next) => {
   try {
-    const limit = Math.min(Number(req.query.limit) || 10, 50)
-    const cursor = req.query.cursor ? Number(req.query.cursor) : null
+    const rawLimit = Number(req.query.limit)
+    const limit = Number.isFinite(rawLimit) && rawLimit >= 1 ? Math.min(Math.floor(rawLimit), 50) : 10
+    const rawCursor = Number(req.query.cursor)
+    const cursor = Number.isInteger(rawCursor) && rawCursor > 0 ? rawCursor : null
     const where = cursor ? { id: { lt: cursor } } : {}
-    const items = await prisma.alert.findMany({
-      where,
-      orderBy: { id: 'desc' },
-      take: limit,
-    })
+    const [items, total] = await Promise.all([
+      prisma.alert.findMany({
+        where,
+        orderBy: { id: 'desc' },
+        take: limit,
+      }),
+      prisma.alert.count(),
+    ])
     const nextCursor = items.length === limit ? String(items[items.length - 1].id) : null
-    res.json({ items, nextCursor })
+    res.json({ items, nextCursor, total })
   } catch (e) { next(e) }
 })