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<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Checkout\Block\Cart;

use Magento\Captcha\Block\Captcha;

/**
 * Block with apply-coupon form.
 *
 * @api
 * @since 100.0.2
 */
class Coupon extends \Magento\Checkout\Block\Cart\AbstractCart
{
    /**
     * @param \Magento\Framework\View\Element\Template\Context $context
     * @param \Magento\Customer\Model\Session $customerSession
     * @param \Magento\Checkout\Model\Session $checkoutSession
     * @param array $data
     * @codeCoverageIgnore
     */
    public function __construct(
        \Magento\Framework\View\Element\Template\Context $context,
        \Magento\Customer\Model\Session $customerSession,
        \Magento\Checkout\Model\Session $checkoutSession,
        array $data = []
    ) {
        parent::__construct($context, $customerSession, $checkoutSession, $data);
        $this->_isScopePrivate = true;
    }

    /**
     * Applied code.
     *
     * @return string
     * @codeCoverageIgnore
     */
    public function getCouponCode()
    {
        return $this->getQuote()->getCouponCode();
    }

    /**
     * @inheritDoc
     * @since 100.3.2
     */
    protected function _prepareLayout()
    {
        if (!$this->getChildBlock('captcha')) {
            $this->addChild(
                'captcha',
                Captcha::class,
                [
                    'cacheable' => false,
                    'after' => '-',
                    'form_id' => 'sales_rule_coupon_request',
                    'image_width' => 230,
                    'image_height' => 230
                ]
            );
        }

        return parent::_prepareLayout();
    }
}