init: Todo Monitor 初始提交

backend/src/routes/batch.js

@@ -0,0 +1,27 @@
+import { Router } from 'express'
+import { getDb } from '../db.js'
+
+const router = Router()
+
+router.post('/', (req, res) => {
+  const db = getDb()
+  const { notes = [] } = req.body
+
+  const updateNote = db.prepare(`
+    UPDATE notes
+    SET x = ?, y = ?, width = ?, height = ?, group_id = ?,
+        updated_at = datetime('now', 'localtime')
+    WHERE id = ?
+  `)
+
+  const transaction = db.transaction((items) => {
+    for (const item of items) {
+      updateNote.run(item.x, item.y, item.width, item.height, item.group_id ?? null, item.id)
+    }
+  })
+
+  transaction(notes)
+  res.json({ success: true, count: notes.length })
+})
+
+export default router