From cbbf373bd7b9f624ba00896aac59defeca1f4767 Mon Sep 17 00:00:00 2001
From: Jad <ad@imjad.cn>
Date: Mon, 3 Aug 2020 12:11:58 +0000
Subject: Initial commit

---
 index.js | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 index.js

(limited to 'index.js')

diff --git a/index.js b/index.js
new file mode 100644
index 0000000..e8f49b0
--- /dev/null
+++ b/index.js
@@ -0,0 +1,74 @@
+'use strict'
+
+const fs = require('fs')
+const express = require('express')
+const compression = require('compression')
+
+const db = require('./db')
+
+const numList = require('./num-list')
+
+const PLACES = 7
+
+function getCountImage(count) {
+  // 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="data:image/gif;base64,${numList[next]}" />
+`, '')
+
+  return `<?xml version="1.0" encoding="UTF-8"?>
+<svg width="${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(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
+
+  if (!name) return
+
+  const counter = await db.getNum(name)
+  const num = counter.num + 1
+
+  db.setNum(counter.name, num)
+
+  // 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'
+  })
+
+  // Send the generated SVG as the result
+  res.send(getCountImage(num))
+  console.log(counter)
+})
+
+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)
+})
-- 
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