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Current File : /var/www/www-root/data/webdav/www/monolith-realty.ru/bitrix/modules/aspro.allcorp3/lib/basket.php

<?
namespace Aspro\Allcorp3;

use Bitrix\Main\Application;

class Basket {
    protected static $instance;

    protected static function getSession() {
        return Application::getInstance()->getSession();
    }
    
    public static function getInstance() {
        if (!static::$instance) {
            static::$instance = new static();
        }
        
        return static::$instance;


    }

    protected $userId;
    protected $siteId;

    protected function __construct() {
        global $USER;

        $this->siteId = SITE_ID;
        $this->userId = intval($USER->GetID());
    }

    protected function __wakeup() {}
    protected function __clone() {}

    public function __get($variable) {
        switch ($variable) {
            case 'items':
                return $this->getItems();
                break;
        }
        return null;
    }

    public function __set($variable, $value) {
        switch ($variable) {
            case 'items':
                return $this->setItems($value);
                break;
        }

        return null;
    }

    public function checkItems() {
        $session = static::getSession();

        if (!isset($session['BASKET'][$this->siteId][$this->userId])) {
            $session['BASKET'][$this->siteId][$this->userId] = [];
        }
    }

    public function getItems() :array {
        $session = static::getSession();
        $this->checkItems();
        return $session['BASKET'][$this->siteId][$this->userId];
    }

    public function setItems($arItems = []) {
        $session = static::getSession();
        $this->checkItems();

        $arItems = is_array($arItems) ? $arItems : [];
        $session['BASKET'][$this->siteId][$this->userId] = $arItems;
    }

    public function addItem(array $arItem) {
        if (
            $arItem &&
            $arItem['ID']
        ) {
            $session = static::getSession();
            $this->checkItems();

            if (!isset($session['BASKET'][$this->siteId][$this->userId][$arItem['ID']])) {
                $session['BASKET'][$this->siteId][$this->userId][$arItem['ID']] = $arItem;
            }
        }
    }

    public function removeItem($itemId) {
        if ($itemId) {
            $session = static::getSession();
            $this->checkItems();

            unset($session['BASKET'][$this->siteId][$this->userId][$itemId]);
        }
    }

    public function updateItemQuantity($itemId, $quantity) {
        if ($itemId) {
            $session = static::getSession();
            $this->checkItems();
            $session['BASKET'][$this->siteId][$this->userId][$itemId]['QUANTITY'] = $quantity;
        }
    }

    public function clean() {
        $this->items = [];
    }
}