chore: add server with sqlite

Author: taosin

.idea/jsLibraryMappings.xml

@@ -1,7 +1,7 @@
 const express = require('express');
-const mongoose = require('mongoose');
 const bodyParser = require('body-parser');
 const cors = require('cors');
+const notesRouter = require('./routes/notes');
 
 const app = express();
 const PORT = process.env.PORT || 9999;
@@ -10,32 +10,10 @@ const PORT = process.env.PORT || 9999;
 app.use(cors());
 app.use(bodyParser.json());
 
-// 连接 MongoDB
-mongoose.connect('mongodb://localhost:27017/flomo', {
-  useNewUrlParser: true,
-  useUnifiedTopology: true,
-});
-
-// 定义笔记模型
-const NoteSchema = new mongoose.Schema({
-  content: String,
-  createdAt: { type: Date, default: Date.now },
-});
-
-const Note = mongoose.model('Note', NoteSchema);
-
 // API 路由
-app.get('/api/notes', async (req, res) => {
-  const notes = await Note.find().sort({ createdAt: -1 });
-  res.json(notes);
-});
-
-app.post('/api/notes', async (req, res) => {
-  const newNote = new Note({ content: req.body.content });
-  await newNote.save();
-  res.json(newNote);
-});
+app.use('/api/notes', notesRouter);
 
+// 启动服务器
 app.listen(PORT, () => {
   console.log(`Server is running on port ${PORT}`);
 });

server/app.js

@@ -0,0 +1,7 @@
+-- server/db/init.sql
+CREATE TABLE IF NOT EXISTS notes (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title TEXT NOT NULL,
+    content TEXT NOT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);

server/db/init.sql

@@ -0,0 +1,28 @@
+const sqlite3 = require('sqlite3').verbose();
+const db = new sqlite3.Database('./db/notes.db');
+
+class Note {
+  // 获取所有笔记
+  static getAll(callback) {
+    db.all('SELECT * FROM notes ORDER BY created_at DESC', callback);
+  }
+
+  // 创建笔记
+  static create(title, content, callback) {
+    db.run(
+      'INSERT INTO notes (title, content) VALUES (?, ?)',
+      [title, content],
+      function (err) {
+        if (err) return callback(err);
+        callback(null, this.lastID);
+      }
+    );
+  }
+
+  // 删除笔记
+  static delete(id, callback) {
+    db.run('DELETE FROM notes WHERE id = ?', [id], callback);
+  }
+}
+
+module.exports = Note;