Mobilizon/Facebook-Events-iCal-Converter
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Ondrej Synacek 2019-10-15 09:22:08 +02:00
commit 7d1a7cfa32
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.gitignore vendored Normal file
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node_modules/
dist/

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lib/crawler.js Normal file
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const puppeteer = require('puppeteer')
const crawl = async (url) => {
const browser = await puppeteer.launch()
const page = await browser.newPage()
await page.goto(url)
const html = await page.evaluate(() => document.body.innerHTML)
await browser.close()
return html
}
module.exports = crawl

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const express = require('express')
const bodyParser = require('body-parser')
const path = require('path')
const crawl = require('./crawler')
const parseHTML = require('./parser')
const port = process.env.PORT || 3000
const app = express()
app.set('view engine', 'ejs')
app.set('views', path.join(__dirname, 'views'))
app.use(bodyParser())
app.get('/', (req, res) => {
res.render('index')
})
app.get('*', (req, res) => {
res.render('404')
})
app.post('/download', async (req, res) => {
const { url } = req.body
try {
const html = await crawl(url)
const data = parseHTML(html)
console.log(data)
} catch (err) {
console.error(err)
return res.render('error', { error: err.toString() })
}
return res.render('download', { url })
})
app.listen(port, () => {
console.log(`App running on port ${port}`)
})

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lib/parser.js Normal file
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const { parse } = require('node-html-parser')
const parseHTML = (html) => {
let data = {}
const root = parse(html)
const eventSummary = root.querySelector('#event_summary')
const timeInfo = eventSummary.querySelector('#event_time_info')
const timeContent = timeInfo.querySelector('[content]')
if (
timeContent &&
timeContent.attributes &&
timeContent.attributes.content
) {
data = {
...data,
time: timeContent.attributes.content.value,
}
}
return data
}
module.exports = parseHTML

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lib/views/404.ejs Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Facebook Events to iCal Converter | 404</title>
</head>
<body>
<h2>Page does not exist</h2>
<p>
The page you requested does not exist.
<a href="/">Go back</a>
</p>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Facebook Events to iCal Converter | download</title>
</head>
<body>
<h2>Your ICS file is ready</h2>
<p>
The <code>ics</code> file was created successfully from url
<a href="<%= url %>"><%= url %></a>.
</p>
<p>
Your download will start automatically.
</p>
<a href="/">Go back</a>
</body>
</html>

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lib/views/error.ejs Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Facebook Events to iCal Converter | error</title>
</head>
<body>
<h2>Error</h2>
<p>
There was an error parsing the URL:
<%= error || '' %>
</p>
<a href="/">Go back</a>
</body>
</html>

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lib/views/index.ejs Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Facebook Events to iCal Converter</title>
</head>
<body>
<h1>Facebook Events to iCal Converter</h1>
<p>
Insert Facebook event URL into the form. When you submit it
you will get <a href="https://en.wikipedia.org/wiki/ICalendar"><code>ics</code></a>
file that you can import
into your calendar.
</p>
<form action='/download' method='POST'>
<input type='text' name='url' placeholder='Paste / type FB event URL here...' />
<input type='submit' value='Submit' />
</form>
</body>
</html>

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package.json Normal file
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{
"name": "facebook-events-ical-converter",
"version": "1.0.0",
"description": "App that converts events on Facebook event page to iCal file.",
"main": "lib/index.js",
"scripts": {
"start": "PORT=80 node lib/index.js",
"start:dev": "nodemon lib/index.js",
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [
"facebook",
"event",
"ical",
"convert",
"download"
],
"author": "Ondrej Synacek <ondrejsynacek@fastmail.com>",
"license": "ISC",
"dependencies": {
"body-parser": "^1.19.0",
"ejs": "^2.7.1",
"express": "^4.17.1",
"node-html-parser": "^1.1.16",
"puppeteer": "^1.20.0"
},
"devDependencies": {
"nodemon": "^1.19.3"
}
}