File classes/models/Customer.php | HJI WP Membership Code Reference

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<?php
namespace hji\membership\models;


class Customer
{
    private static $_instance;

    // Option name where customer data is being saved,
    // Which is returned on license key authentication:
    // customer, products, markets etc.

    const AUTH_DATA = 'hji-membership-customer';

    public $license     = null;
    public $customer    = null;
    public $markets     = null;


    static function getInstance()
    {
        if (!( self::$_instance instanceof self))
        {
            self::$_instance = new self();
        }

        return self::$_instance;
    }


    function __construct()
    {
        $this->init();
    }


    function init()
    {
        $authData       = $this->getSession();
        $settingsData   = get_option(Settings::KEY);

        if (isset($authData->license->licenseKey))
        {
            $this->license = $authData->license;
        }
        else
        {
            $this->license              = new \stdClass();

            $this->license->licenseKey  = !empty($settingsData['license-key']) ? trim($settingsData['license-key']) : false;

            $this->license->token       = null;
            $this->license->expires     = null;
        }

        if (isset($authData->customer))
        {
            $this->customer = $authData->customer;
        }

        if (isset($authData->markets))
        {
            $this->markets = $authData->markets;
        }
    }


    /**
     * Returns array of Markets licensed to Customer
     *  market ids to market names
     *
     * @return (string|string)[]|null
     */
    function getMarkets()
    {
        return ($this->markets) ? $this->markets : null;
    }


    function update($data = false)
    {
        $this->destroySession();

        if (isset($data->licenseKey)
            && isset($data->token)
            && isset($data->expires))
        {
            $this->license->licenseKey  = $data->licenseKey;

            // TODO: token and its expiration is related to website visitor - not hji customer
            /// their instances should be removed.

            $this->license->token       = $data->token;
            $this->license->expires     = $data->expires;

            if (isset($data->customer))
            {
                $customer = new \stdClass();

                foreach ($data->customer as $k => $v)
                {
                    $customer->$k = $v;
                }

                $this->customer = $customer;
            }

            if (isset($data->markets) && is_array($data->markets))
            {
                // Convert array of markets into an object
                // where each market can be accessed by its ID
                // i.e.: $market->sandicor

                $obj = new \stdClass();

                foreach ($data->markets as $market)
                {
                    $obj->{$market->id} = $market;
                }

                $this->markets = $obj;
            }
        }
        else
        {
            $this->customer         = null;
            $this->markets          = null;
            $this->license->licenseKey   = null;
            $this->license->token   = null;
            $this->license->expires = null;
        }

        $this->updateSession($this);
    }


    private function getSession()
    {
        if (isset($_SESSION[self::getSessionId()]))
        {
            return $_SESSION[self::getSessionId()];
        }
    }


    private function destroySession()
    {
        if (isset($_SESSION[self::getSessionId()]))
        {
            unset($_SESSION[self::getSessionId()]);
        }
    }


    private function updateSession($authData)
    {
        // Convert object into standard since we can't load our User class definition
        // before session starts, otherwise it throws __PHP_Incomplete_Class
        $data = get_object_vars($authData);

        if ($data)
        {
            $authData = new \stdClass();

            foreach($data as $k => $v)
            {
                $authData->$k = $v;
            }

            $_SESSION[self::getSessionId()] = $authData;
        }
        else
        {
            unset($_SESSION[self::getSessionId()]);
        }

        $this->init();
    }


    private static function getSessionId()
    {
        return self::AUTH_DATA . get_current_blog_id();
    }
}

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