103 lines
2.7 KiB
JavaScript
103 lines
2.7 KiB
JavaScript
#!/usr/bin/env node
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/**
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* 静态资源 + API 服务。统计、点赞、分享、留言（弹幕）写入 SQLite。
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* 用法: node server.js [目录] 默认目录为项目根目录。
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*/
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const path = require('path');
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const express = require('express');
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const db = require('./db.js');
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const PORT = process.env.PORT || 3000;
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const ROOT = path.resolve(__dirname, process.argv[2] || '.');
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db.initDb();
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const app = express();
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app.use(express.json());
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app.use(express.static(ROOT));
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app.get('/api/stats', (req, res) => {
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try {
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res.json(db.getStats());
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} catch (e) {
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res.status(500).json({ error: String(e.message) });
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}
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});
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app.post('/api/view', (req, res) => {
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try {
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res.json(db.incView());
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} catch (e) {
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res.status(500).json({ error: String(e.message) });
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}
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});
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app.post('/api/like', (req, res) => {
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try {
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res.json(db.incLike());
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} catch (e) {
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res.status(500).json({ error: String(e.message) });
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}
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});
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app.post('/api/share', (req, res) => {
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try {
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res.json(db.incShare());
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} catch (e) {
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res.status(500).json({ error: String(e.message) });
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}
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});
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app.post('/api/join', (req, res) => {
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try {
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const viewerId = req.body && req.body.viewerId ? String(req.body.viewerId) : null;
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if (!viewerId) {
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return res.status(400).json({ error: 'viewerId required' });
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}
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const watchingNow = db.joinViewer(viewerId);
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res.json({ watchingNow });
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} catch (e) {
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res.status(500).json({ error: String(e.message) });
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}
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});
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app.post('/api/leave', (req, res) => {
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try {
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const viewerId = req.body && req.body.viewerId ? String(req.body.viewerId) : null;
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if (!viewerId) {
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return res.status(400).json({ error: 'viewerId required' });
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}
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const watchingNow = db.leaveViewer(viewerId);
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res.json({ watchingNow });
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} catch (e) {
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res.status(500).json({ error: String(e.message) });
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}
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});
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app.get('/api/comments', (req, res) => {
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try {
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const limit = Math.min(parseInt(req.query.limit, 10) || 100, 200);
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res.json(db.getComments(limit));
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} catch (e) {
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res.status(500).json({ error: String(e.message) });
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}
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});
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app.post('/api/comments', (req, res) => {
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try {
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const content = req.body && req.body.content != null ? String(req.body.content) : '';
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const nickname = req.body && req.body.nickname != null ? String(req.body.nickname) : '';
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if (!content.trim()) {
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return res.status(400).json({ error: 'content required' });
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}
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const comment = db.addComment(content.trim(), nickname.trim() || null);
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res.json(comment);
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} catch (e) {
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res.status(500).json({ error: String(e.message) });
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}
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});
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app.listen(PORT, () => {
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console.log('已启动: http://localhost:' + PORT);
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});
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