Initial commit

index.js

@@ -0,0 +1,75 @@
+const pdf = require("pdf-creator-node");
+const QRCode = require("qrcode");
+const fs = require("fs");
+const path = require("path");
+// Read HTML Template
+const html = fs.readFileSync(path.join(__dirname, "./template.html"), "utf8");
+
+// from https://stackoverflow.com/questions/58325771/how-to-generate-random-hex-string-in-javascript
+const genRanHex = (size) =>
+	[...Array(size)]
+		.map(() => Math.floor(Math.random() * 16).toString(16))
+		.join("");
+
+const options = {
+	format: "A4",
+	orientation: "portrait",
+	border: "0mm",
+};
+
+function generate_qrcodes(urldata) {
+	return QRCode.toDataURL([{data: urldata, mode: 'Byte'}], { errorCorrectionLevel: 'L', margin: 0 });
+}
+
+const allPromises = [];
+const promiseData = [];
+for (let i = 0; i < 6 * 8; i++) {
+	const randData = genRanHex(8);
+	allPromises.push(generate_qrcodes("https://inventory.internal.thegreydiamond.de/" + randData));
+	promiseData.push(randData);
+}
+
+Promise.all(allPromises).then((results) => {
+	// console.log(results);
+
+	const data = [];
+
+	// Group qr codes into 8 per list element
+	for (let i = 0; i < results.length; i += 6) {
+		data.push({
+			q0: {url: results[i], data: promiseData[i]},
+			q1: {url: results[i + 1], data: promiseData[i + 1]},
+			q2: {url: results[i + 2], data: promiseData[i + 2]},
+			q3: {url: results[i + 3], data: promiseData[i + 3]},
+			q4: {url: results[i + 4], data: promiseData[i + 4]},
+			q5: {url: results[i + 5], data: promiseData[i + 5]},
+		});
+	}
+
+	// console.log(users);
+
+	const document = {
+		html: html,
+		data: { data: data },
+		path: "./output.pdf",
+		type: "",
+	};
+	// By default a file is created but you could switch between Buffer and Streams by using "buffer" or "stream" respectively.
+
+	/* var document = {
+	html: html,
+	data: {
+		users,
+	},
+	path: "./output.pdf",
+	type: "", // "stream" || "buffer" || "" ("" defaults to)
+}; */
+
+	pdf.create(document, options)
+		.then((res) => {
+			console.log(res);
+		})
+		.catch((error) => {
+			console.error(error);
+		});
+});