81 lines
2.0 KiB
JavaScript
81 lines
2.0 KiB
JavaScript
'use strict'
|
|
|
|
const fs = require('fs')
|
|
const express = require('express')
|
|
const compression = require('compression')
|
|
|
|
const db = require('./utils/db')
|
|
const themify = require('./utils/themify')
|
|
|
|
const PLACES = 7
|
|
|
|
function getCountImage({ count, theme='konachan', PLACES=PLACES }) {
|
|
// This is not the greatest way for generating an SVG but it'll do for now
|
|
const countArray = count.toString().padStart(PLACES, '0').split('')
|
|
|
|
const parts = countArray.reduce((acc, next, index) => `
|
|
${acc}
|
|
<image x="${index * 45}" y="0" width="45px" height="100px" xlink:href="${themify.wrap(next, theme)}" />
|
|
`, '')
|
|
|
|
return `<?xml version="1.0" encoding="UTF-8"?>
|
|
<svg width="${PLACES * 45}" height="100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
|
|
<title>Kawaii Count</title>
|
|
<g>
|
|
${parts}
|
|
</g>
|
|
</svg>
|
|
`
|
|
}
|
|
|
|
|
|
const app = express()
|
|
app.use(express.static('assets'))
|
|
app.use(compression())
|
|
app.set('view engine', 'pug')
|
|
|
|
app.get('/', (req, res) => {
|
|
res.render('index')
|
|
});
|
|
|
|
// get the image
|
|
app.get('/get/@:name', async (req, res) => {
|
|
const name = req.params.name
|
|
const theme = req.query.theme || 'konachan'
|
|
let length = PLACES, num = 0
|
|
|
|
// This helps with GitHub's image cache
|
|
res.set({
|
|
'content-type': 'image/svg+xml',
|
|
'cache-control': 'max-age=0, no-cache, no-store, must-revalidate'
|
|
})
|
|
|
|
if (name === 'demo') {
|
|
num = '0123456789'
|
|
length = 10
|
|
|
|
} else {
|
|
const counter = await db.getNum(name)
|
|
num = counter.num + 1
|
|
|
|
db.setNum(counter.name, num)
|
|
console.log(counter, `theme: ${theme}`)
|
|
}
|
|
|
|
// Send the generated SVG as the result
|
|
res.send(getCountImage({ count: num, theme, PLACES: length }))
|
|
})
|
|
|
|
app.get('/heart-beat', (req, res) => {
|
|
res.set({
|
|
'cache-control': 'max-age=0, no-cache, no-store, must-revalidate'
|
|
})
|
|
|
|
res.send('alive')
|
|
console.log('heart-beat')
|
|
});
|
|
|
|
const listener = app.listen(process.env.PORT, () => {
|
|
console.log('Your app is listening on port ' + listener.address().port)
|
|
})
|