116 lines
4.1 KiB
JavaScript
116 lines
4.1 KiB
JavaScript
const express = require('express');
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const { URL } = require('url');
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const { listApps, getApp, insertApp, updateApp, deleteApp } = require('../db');
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const router = express.Router();
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// ── store lookup helper ───────────────────────────────────────────────────────
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function metaContent(html, property) {
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// handles both attribute orderings
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const patterns = [
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new RegExp(`<meta[^>]+property="${property}"[^>]+content="([^"]*)"`, 'i'),
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new RegExp(`<meta[^>]+content="([^"]*)"[^>]+property="${property}"`, 'i'),
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];
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for (const re of patterns) {
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const m = html.match(re);
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if (m) return m[1];
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}
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return null;
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}
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async function fetchText(url) {
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const res = await fetch(url, {
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headers: {
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'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0 Safari/537.36',
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'Accept-Language': 'en-US,en;q=0.9',
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},
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signal: AbortSignal.timeout(10000),
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redirect: 'follow',
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});
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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return res.text();
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}
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async function lookupAppStore(storeUrl) {
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const m = storeUrl.match(/\/id(\d+)/);
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if (!m) throw new Error('Could not parse App Store app ID from URL');
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const body = await fetchText(`https://itunes.apple.com/lookup?id=${m[1]}`);
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const data = JSON.parse(body);
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const r = data.results?.[0];
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if (!r) throw new Error('App not found in iTunes catalogue');
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return {
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name: r.trackName,
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icon_url: r.artworkUrl512 || r.artworkUrl100 || r.artworkUrl60 || '',
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};
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}
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async function lookupPlayStore(storeUrl) {
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const m = storeUrl.match(/[?&]id=([^&]+)/);
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if (!m) throw new Error('Could not parse Play Store package ID from URL');
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const body = await fetchText(`https://play.google.com/store/apps/details?id=${m[1]}&hl=en`);
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const title = metaContent(body, 'og:title');
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if (!title) throw new Error('Could not extract app name from Play Store page');
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const name = title.replace(/\s*[-–]\s*Apps on Google Play\s*$/i, '').trim();
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const icon_url = metaContent(body, 'og:image') || '';
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return { name, icon_url };
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}
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// ── routes ────────────────────────────────────────────────────────────────────
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router.get('/lookup', async (req, res) => {
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const { url } = req.query;
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if (!url) return res.status(400).json({ error: 'url query param is required' });
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try {
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new URL(url); // validate
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} catch {
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return res.status(400).json({ error: 'Invalid URL' });
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}
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try {
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if (url.includes('apps.apple.com')) {
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return res.json(await lookupAppStore(url));
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}
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if (url.includes('play.google.com')) {
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return res.json(await lookupPlayStore(url));
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}
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return res.status(422).json({ error: 'URL must be an App Store or Play Store link' });
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} catch (err) {
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console.error('App lookup failed:', err.message);
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res.status(502).json({ error: err.message || 'Lookup failed' });
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}
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});
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router.get('/', (_req, res) => {
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res.json(listApps());
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});
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router.post('/', (req, res) => {
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const { name, ios_url, android_url, icon_url } = req.body;
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if (!name?.trim()) return res.status(400).json({ error: 'name is required' });
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const app = insertApp({ name: name.trim(), ios_url: ios_url || '', android_url: android_url || '', icon_url: icon_url || '' });
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res.status(201).json(app);
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});
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router.patch('/:id', (req, res) => {
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const existing = getApp(req.params.id);
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if (!existing) return res.status(404).json({ error: 'Not found' });
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const { name, ios_url, android_url, icon_url } = req.body;
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const updated = updateApp(req.params.id, {
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name: name ?? existing.name,
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ios_url: ios_url ?? existing.ios_url,
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android_url: android_url ?? existing.android_url,
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icon_url: icon_url ?? existing.icon_url,
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});
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res.json(updated);
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});
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router.delete('/:id', (req, res) => {
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const app = deleteApp(req.params.id);
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if (!app) return res.status(404).json({ error: 'Not found' });
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res.status(204).end();
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});
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module.exports = router;
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