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<?php
namespace Magecomp\Savecartpro\Controller\Index;

use Magento\Checkout\Model\Session;
use Magecomp\Savecartpro\Model\SavecartproFactory;
use Magecomp\Savecartpro\Model\SavecartprodetailFactory;
use Magento\Checkout\Model\Cart;
use Magento\Quote\Model\QuoteFactory;
use Magento\Catalog\Model\Product;
use Magento\Setup\Exception;
use Magento\Framework\Controller\Result\JsonFactory;

class Update extends \Magento\Framework\App\Action\Action{

    protected $messageManager;
    protected $_responseFactory;
    protected $_url;
    protected $_request;
    protected $cartsession;
    protected $modelsavecart;
    protected $modelsavecartdetail;
    protected $_modelCart;
    protected $quoteFactory;
    protected $product;
    protected $jsonFactory;
    protected $serialize;

    public function __construct(\Magento\Framework\App\Action\Context $context,
                                \Magento\Framework\App\ResponseFactory $responseFactory,
                                Session $session,
                                SavecartproFactory $modelsavecart,
                                SavecartprodetailFactory $modelsavecartdetail,
                                Cart $modelCart,
                                QuoteFactory $quoteFactory,
                                Product $product,
                                JsonFactory $jsonFactory,
                                \Magento\Framework\Serialize\Serializer\Json $serialize)
    {
        $this->_responseFactory = $responseFactory;
        $this->cartsession = $session;
        $this->modelsavecart = $modelsavecart;
        $this->modelsavecartdetail = $modelsavecartdetail;
        $this->_modelCart = $modelCart;
        $this->quoteFactory=$quoteFactory;
        $this->product=$product;
        $this->jsonFactory=$jsonFactory;
        $this->serialize = $serialize;
        parent::__construct($context);
    }

    public function execute()
    {
        try
        {
            $data = $this->_request->getParams();
            $quote = $this->_modelCart->getQuote();
            $cartid = $data['savecartid'];
            $quotedetailCollection = $this->modelsavecartdetail->create()
                ->getCollection()
                ->addFieldToFilter('savecart_id',$cartid);
            // Quote Data Save To Detail Tabel
            $quoteid=$quote->getId();
            $quote = $this->quoteFactory->create()->load($quoteid);
            $visitems = $quote->getAllVisibleItems();

            foreach ($visitems as $item)
            {
                $flag=false;
                if(isset($item)) {
                    foreach ($item->getOptions() as $option) {
                        try {
                            /* KDC modification start */
                            if ($option['value'] && $this->isJson($option['value'])) {
                                $itemOptions = $this->serialize->unserialize($option['value']);
                                break;
                            }
                            /* KDC modification end */
                        } catch (Exception $e) {
                            $this->messageManager->addError($e->getMessage());
                            $accUrl = $this->_url->getUrl('savecartpro/index/view');
                            $this->_responseFactory->create()->setRedirect($accUrl)->sendResponse();
                            $this->setRefererUrl($accUrl);
                        }
                    }
                }
                foreach ($quotedetailCollection as $cartitem) {
                    $objItem = $cartitem;
                    $currentQty = $cartitem->getQuotePrdQty();
                    $Configdata = $this->serialize->unserialize($cartitem->getQuoteConfigPrdData());
                    if ($cartitem->getQuotePrdId() == $item->getProductId()) {
                        $product = $this->product->load($cartitem->getQuotePrdId());
                        if($product->getTypeId()=="simple"){
                            if(isset($itemOptions['options'])) {
                                $customopt1 = $itemOptions['options'];
                                $customopt2 = $Configdata['options'];
                            }
                        }
                        if($product->getTypeId()=="configurable"){
                            if(isset($itemOptions['super_attribute'])) {
                                $customopt1 = $itemOptions['super_attribute'];
                                $customopt2 = $Configdata['super_attribute'];
                            }
                        }
                        if($product->getTypeId()=="bundle"){
                            if(isset($itemOptions['bundle_option'])) {
                                $customopt1 = $itemOptions['bundle_option'];
                                $customopt2 = $Configdata['bundle_option'];
                            }
                        }
                        if(isset($customopt1) and isset($customopt2)) {
                            if(is_array($customopt1) and is_array($customopt2))
                            {
                                $array_cmp = array_diff_assoc($customopt1, $customopt2);
                                if (count($array_cmp) == 0) {
                                    $flag = true;
                                    break;
                                }
                            }
                        }
                        else
                        {
                            if($cartitem->getQuotePrdId() == $item->getProductId()){
                                $flag=true;
                                break;
                            }

                        }
                    }
                }

                if ($flag) {
                    $finaQty=$item->getQty() + $currentQty;
                    $Configdata['qty']=$finaQty;
                    $objItem->setQuotePrdQty($finaQty)
                        ->setQuoteConfigPrdData($this->serialize->serialize($Configdata))
                        ->save();

                }
                else
                {
                    foreach ($item->getOptions() as $option) {
                        /* KDC modification start */
                        if (!$this->isJson($option['value'])) {
                            continue;
                        }
                        /* KDC modification end */
                        $itemOptions = $this->serialize->unserialize($option['value']);
                        $savecartdetailmodel = $this->modelsavecartdetail->create()
                            ->setSavecartId($cartid)
                            ->setQuotePrdId($item->getProductId())
                            ->setQuotePrdQty($item->getQty())
                            ->setQuotePrdPrice($item->getPrice())
                            ->setQuoteConfigPrdData($this->serialize->serialize($itemOptions))
                            ->save();
                        break;
                        //itemOptions contain all the custom option of an item
                    }
                }
            }

            $this->_modelCart->truncate();// Clear Shopping Cart
            $this->cartsession->clearQuote();// Clear Checkout Session
            // Clear Shopping Cart
            $visitems = $this->cartsession->getQuote()->getAllVisibleItems();
            foreach($visitems as $item)
            {
                $itemId = $item->getItemId();
            }
            $message = "Your cart has been successfully saved.";
            $this->messageManager->addSuccess($message);
            $response = array();
            $resultJson = $this->jsonFactory->create();
            $response['redirectUrl'] = $this->_url->getUrl('savecartpro/customer/cartlist');
            $resultJson->setData($response);
            return $resultJson;

        } catch (\Exception $e) {
            $this->messageManager->addError($e->getMessage());
            $accUrl = $this->_url->getUrl('savecartpro/index/view');
            $this->_responseFactory->create()->setRedirect($accUrl)->sendResponse();
            $this->setRefererUrl($accUrl);
        }
    }
    /* KDC modification start */
    /**
     * @param $string
     * @return bool
     */
    private function isJson($string): bool
    {
        json_decode($string);
        return (json_last_error() == JSON_ERROR_NONE);
    }
    /* KDC modification end */
}