feat: complete day 10

day10/routes/code.js

@@ -0,0 +1,29 @@
+const express = require("express");
+const router = express.Router();
+const fs = require("fs");
+const path = require("path");
+const pdf = require("html-pdf-node");
+
+router.get("/:code", async (req, res) => {
+  const { amount = 1, service = "software service" } = req.query;
+
+  // Read the invoice template
+  const templatePath = path.join(__dirname, "../invoice.html");
+  let html = fs.readFileSync(templatePath, "utf8");
+
+  // Replace placeholders in the template
+  html = html
+    .replace("Website design", service)
+    .replace("$300.00", `$${amount}.00`)
+    .replace("Total: $385.00", `Total: $${amount}.00`);
+
+  // Generate PDF
+  let file = { content: html };
+  pdf.generatePdf(file, { format: "A4" }).then((pdfBuffer) => {
+    res.setHeader("Content-Type", "application/pdf");
+    res.setHeader("Content-Disposition", "attachment; filename=invoice.pdf");
+    res.send(pdfBuffer);
+  });
+});
+
+module.exports = router;

day10/routes/index.js

@@ -1,9 +1,22 @@
-var express = require('express');
+var express = require("express");
 var router = express.Router();
+const QRCode = require("qrcode");
 
 /* GET home page. */
-router.get('/', function(req, res, next) {
-  res.render('index', { title: 'Express' });
+router.get("/", function (req, res, next) {
+  res.render("index", { title: "Express" });
+});
+
+router.get("/code", async function (req, res, next) {
+  const code = Math.random().toString(36).substring(2, 8); // random code
+  const qrUrl = `/api/v1/code/${code}?amount=1&service=software%20service`;
+  const qrData = await QRCode.toDataURL(
+    `http://localhost:${process.env.PORT || 3000}${qrUrl}`
+  );
+  res.render("code", {
+    qrData,
+    qrUrl: `http://localhost:${process.env.PORT || 3000}${qrUrl}`,
+  });
 });
 
 module.exports = router;