ryanwong
102 lines
2.4 KiB
JavaScript
102 lines
2.4 KiB
JavaScript
/**
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* TODO:
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* - create basic express server
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* - connect to mysql database
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* - create proper docker compose file and dockerfile to setup mysql, express server
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* - make api to look like this:
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* /v1/api/rest/video/PAGINATE
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Method POST
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body
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{
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"payload": {},
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"page": 1,
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"limit": 10
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}
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Response
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http code 200
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{
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"error": false,
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"list": [
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{
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"id": 1,
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"title": "Rune raises $100,000 for marketing through NFT butterflies sale",
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"photo": "https://picsum.photos/200/200",
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"user_id": 1,
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"username": "boss",
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"create_at": "2022-01-01",
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"update_at": "2022-01-01T04:00:00.000Z",
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"like": 10
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}
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],
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"page": 1,
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"limit": 10,
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"total": 112,
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"num_pages": 12
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}
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*/
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const express = require('express');
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const mysql = require('mysql2/promise');
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const app = express();
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// Middleware to parse JSON bodies
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app.use(express.json());
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// Database connection configuration
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const dbConfig = {
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host: process.env.DB_HOST || 'mysql',
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user: process.env.DB_USER || 'user',
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password: process.env.DB_PASSWORD || 'password',
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database: process.env.DB_NAME || 'videodb'
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};
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// API endpoint for video pagination
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app.get('/', async (req, res) => {
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res.send('Hello World');
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});
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app.post('/v1/api/rest/video/PAGINATE', async (req, res) => {
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try {
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const page = parseInt(req.body.page) || 1;
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const limit = parseInt(req.body.limit) || 10;
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const offset = (page - 1) * limit;
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const connection = await mysql.createConnection(dbConfig);
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// Get total count
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const [countResult] = await connection.execute(
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'SELECT COUNT(*) as total FROM videos'
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);
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const total = countResult[0].total;
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// Fix: Use a different query format for LIMIT
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const [rows] = await connection.query(
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`SELECT
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v.id, v.title, v.photo, v.user_id,
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v.created_at, v.updated_at, v.likes
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FROM videos v
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LIMIT ${offset}, ${limit}`
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);
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await connection.end();
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res.json({
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error: false,
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list: rows,
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page: page,
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limit: limit,
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total,
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num_pages: Math.ceil(total / limit)
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});
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} catch (error) {
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console.error('Error:', error);
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res.status(500).json({ error: true, message: 'Internal server error' });
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}
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});
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const PORT = process.env.PORT || 3000;
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app.listen(PORT, () => {
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console.log(`Server running on port ${PORT}`);
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}); |