75 lines
1.7 KiB
JavaScript
75 lines
1.7 KiB
JavaScript
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'use strict'
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const fs = require('fs')
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const express = require('express')
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const compression = require('compression')
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const db = require('./db')
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const numList = require('./num-list')
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const PLACES = 7
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function getCountImage(count) {
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// This is not the greatest way for generating an SVG but it'll do for now
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const countArray = count.toString().padStart(PLACES, '0').split('')
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const parts = countArray.reduce((acc, next, index) => `
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${acc}
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<image x="${index * 45}" y="0" width="45px" height="100px" xlink:href="data:image/gif;base64,${numList[next]}" />
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`, '')
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return `<?xml version="1.0" encoding="UTF-8"?>
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<svg width="${PLACES * 45}" height="100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<title>Kawaii Count</title>
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<g>
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${parts}
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</g>
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</svg>
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`
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}
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const app = express()
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app.use(compression())
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app.set('view engine', 'pug')
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app.get('/', (req, res) => {
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res.render('index')
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});
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// get the image
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app.get('/get/@:name', async (req, res) => {
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const name = req.params.name
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if (!name) return
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const counter = await db.getNum(name)
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const num = counter.num + 1
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db.setNum(counter.name, num)
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// This helps with GitHub's image cache
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res.set({
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'content-type': 'image/svg+xml',
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'cache-control': 'max-age=0, no-cache, no-store, must-revalidate'
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})
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// Send the generated SVG as the result
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res.send(getCountImage(num))
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console.log(counter)
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})
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app.get('/heart-beat', (req, res) => {
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res.set({
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'cache-control': 'max-age=0, no-cache, no-store, must-revalidate'
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})
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res.send('alive')
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console.log('heart-beat')
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});
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const listener = app.listen(process.env.PORT, () => {
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console.log('Your app is listening on port ' + listener.address().port)
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})
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