qr generator

composer.json

@@ -10,7 +10,8 @@
     }],
     "require": {
         "php": ">=7.3.0",
-        "nesbot/carbon": "2.*"
+        "nesbot/carbon": "2.*",
+        "endroid/qr-code": "^5.0"
     },
     "require-dev": {
         "mockery/mockery": "^1.0",

src/QRGenerator.php

@@ -0,0 +1,38 @@
+<?php namespace Nticaric\Fiskalizacija;
+
+use DateTime;
+use Endroid\QrCode\QrCode;
+
+class QRGenerator
+{
+    private $jir;
+    private $date;
+    private $amount;
+
+    public function __construct($jir, $date, $amount)
+    {
+        $this->jir    = $jir;
+        $this->date   = $date;
+        $this->amount = $amount;
+    }
+
+    public function generateUrl()
+    {
+        $formattedDate   = DateTime::createFromFormat('d.m.Y\TH:i:s', $this->date)->format('Ymd_Hi');
+        $formattedAmount = number_format($this->amount, 2, ',', '');
+        $url             = sprintf(
+            'https://porezna.gov.hr/rn?jir=%s&datv=%s&izn=%s',
+            $this->jir,
+            $formattedDate,
+            $formattedAmount
+        );
+        return $url;
+    }
+
+    public function getQrCode()
+    {
+        $url    = $this->generateUrl();
+        $qrCode = new QrCode($url);
+        return base64_encode($qrCode->writeString());
+    }
+}