Payment::init

private function init(): Result
{
	if ($this->initResult)
	{
		return $this->initResult;
	}

	$this->initResult = $this->initDataGenerator();
	if (!$this->initResult->isSuccess())
	{
		return $this->initResult;
	}

	if (!static::isBarcodeApiAvailable())
	{
		return $this->initResult->addError(
			new Error('UI Barcode API is not available', static::ERROR_CODE_API_NOT_AVAILABLE)
		);
	}

	$this->barcode = new Barcode();
	$this->barcode->type(BarcodeDictionary::TYPE_QR);
	$this->barcode->format(BarcodeDictionary::FORMAT_PNG);

	return $this->initResult;
}