barcodegenerator.php

<?php
 
namespace Bitrix\Sale\PaySystem;
 
use Bitrix\Main\Loader;
use Bitrix\UI\Barcode\Barcode;
use Bitrix\UI\Barcode\BarcodeDictionary;
 
class BarcodeGenerator
{
    private Barcode $barcode;
 
    private const DEFAULT_W = 380;
    private const DEFAULT_H = 380;
    private const DEFAULT_P = 0;
    private const DEFAULT_WQ = 0;
 
    public function __construct(?array $options = null)
    {
        if ($this->includeUiModule())
        {
            $this->createBarcode($options);
        }
    }
 
    private function createBarcode(?array $options = null): void
    {
        $options =
            is_null($options)
                ? [
                    'w' => self::DEFAULT_W,
                    'h' => self::DEFAULT_H,
                    'p' => self::DEFAULT_P,
                    'wq' => self::DEFAULT_WQ,
                ]
                : array_intersect_key($options, array_flip(self::getAllowedOptions()))
        ;
 
        $this->barcode = new Barcode();
        $this->barcode
            ->type(BarcodeDictionary::TYPE_QR)
            ->format(BarcodeDictionary::FORMAT_PNG)
            ->options($options)
        ;
    }
 
    private static function getAllowedOptions(): array
    {
        return [
            'w',
            'h',
            'p',
            'wq',
        ];
    }
 
    public function generate(string $data): ?string
    {
        $renderData = null;
 
        if ($this->includeUiModule())
        {
            $renderData = $this->barcode->render($data);
        }
 
        return $renderData ?: null;
    }
 
    private function includeUiModule(): bool
    {
        return Loader::includeModule('ui');
    }
}