Erro pagseguro

[Wagner Martins - SC 0]

Olá,

Estou com um problema em um código para fazer o checkout no pagseguro, quaando clico no botão Pagar do site está retornando esse erro:

Fatal error: Class 'PagSeguroParameter' not found in /home/casamarketingcom/public_html/audio/wp-content/plugins/edd-pagseguro-master/lib/PagSeguroLibrary/domain/PagSeguroPaymentRequest.class.php on line 644

Podem me ajudar nisso, pesquisei e não achei muita coisa

o código do arquivo que está retornando o erro eh esse

<?php
/**
 * 2007-2014 [PagSeguro Internet Ltda.]
 *
 * NOTICE OF LICENSE
 *
 *Licensed under the Apache License, Version 2.0 (the "License");
 *you may not use this file except in compliance with the License.
 *You may obtain a copy of the License at
 *
 *http://www.apache.org/licenses/LICENSE-2.0
 *
 *Unless required by applicable law or agreed to in writing, software
 *distributed under the License is distributed on an "AS IS" BASIS,
 *WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *See the License for the specific language governing permissions and
 *limitations under the License.
 *
 *  @author    PagSeguro Internet Ltda.
 *  @copyright 2007-2014 PagSeguro Internet Ltda.
 *  @license   http://www.apache.org/licenses/LICENSE-2.0
 */

/***
 * Represents a payment request
 */
class PagSeguroPaymentRequest
{

    /***
     * Party that will be sending the money
     * @var PagSeguroSender
     */
    private $sender;

    /***
     * Payment currency
     */
    private $currency;

    /***
     * Products/items in this payment request
     */
    private $items;

    /***
     * Uri to where the PagSeguro payment page should redirect the user after the payment information is processed.
     * Typically this is a confirmation page on your web site.
     * @var String
     */
    private $redirectURL;

    /***
     * Extra amount to be added to the transaction total
     *
     * This value can be used to add an extra charge to the transaction
     * or provide a discount in the case ExtraAmount is a negative value.
     * @var float
     */
    private $extraAmount;

    /***
     * Reference code
     *
     * Optional. You can use the reference code to store an identifier so you can
     * associate the PagSeguro transaction to a transaction in your system.
     */
    private $reference;

    /***
     * Shipping information associated with this payment request
     */
    private $shipping;

    /***
     * How long this payment request will remain valid, in seconds.
     *
     * Optional. After this payment request is submitted, the payment code returned
     * will remain valid for the period specified here.
     */
    private $maxAge;

    /***
     * How many times the payment redirect uri returned by the payment web service can be accessed.
     *
     * Optional. After this payment request is submitted, the payment redirect uri returned by
     * the payment web service will remain valid for the number of uses specified here.
     */
    private $maxUses;

    /***
     * Determines for which url PagSeguro will send the order related notifications codes.
     *
     * Optional. Any change happens in the transaction status, a new notification request will be send
     * to this url. You can use that for update the related order.
     */
    private $notificationURL;

    /***
     * Extra parameters that user can add to a PagSeguro checkout request
     *
     * Optional.
     * @var PagSeguroMetaData
     */
    private $metadata;

    /***
     * Extra parameters that user can add to a PagSeguro checkout request
     *
     * Optional.
     * @var $paymentMethodConfig
     */
    private $paymentMethodConfig;

    /***
     * Extra parameters that user can add to a PagSeguro checkout request
     *
     * Optional
     * @var PagSeguroParameter
     */
    private $parameter;

    /***
     * Class constructor to make sure the library was initialized.
     */
    public function __construct()
    {
        PagSeguroLibrary::init();
    }

    /***
     * @return PagSeguroSender the sender
     *
     * Party that will be sending the Uri to where the PagSeguro payment page should redirect the
     * user after the payment information is processed.
     */
    public function getSender()
    {
        return $this->sender;
    }

    /***
     * Sets the Sender, party that will be sending the money
     * @param String $name
     * @param String $email
     * @param String $areaCode
     * @param String $number
     * @param String $documentType
     * @param String $documentValue
     */
    public function setSender(
        $name,
        $email = null,
        $areaCode = null,
        $number = null,
        $documentType = null,
        $documentValue = null
    ) {
        $param = $name;
        if (is_array($param)) {
            $this->sender = new PagSeguroSender($param);
        } elseif ($param instanceof PagSeguroSender) {
            $this->sender = $param;
        } else {
            $sender = new PagSeguroSender();
            $sender->setName($param);
            $sender->setEmail($email);
            $sender->setPhone(new PagSeguroPhone($areaCode, $number));
            $sender->addDocument($documentType, $documentValue);
            $this->sender = $sender;
        }
    }

    /***
     * Sets the name of the sender, party that will be sending the money
     * @param String $senderName
     */
    public function setSenderName($senderName)
    {
        if ($this->sender == null) {
            $this->sender = new PagSeguroSender();
        }
        $this->sender->setName($senderName);
    }

    /***
     * Sets the name of the sender, party that will be sending the money
     * @param String $senderEmail
     */
    public function setSenderEmail($senderEmail)
    {
        if ($this->sender == null) {
            $this->sender = new PagSeguroSender();
        }
        $this->sender->setEmail($senderEmail);
    }

    /***
     * Sets the Sender phone number, phone of the party that will be sending the money
     *
     * @param areaCode
     * @param number
     */
    public function setSenderPhone($areaCode, $number = null)
    {
        $param = $areaCode;
        if ($this->sender == null) {
            $this->sender = new PagSeguroSender();
        }
        if ($param instanceof PagSeguroPhone) {
            $this->sender->setPhone($param);
        } else {
            $this->sender->setPhone(new PagSeguroPhone($param, $number));
        }
    }

    /***
     * @return String the currency
     * Example: BRL
     */
    public function getCurrency()
    {
        return $this->currency;
    }

    /***
     * Sets the currency
     * @param String $currency
     */
    public function setCurrency($currency)
    {
        $this->currency = $currency;
    }

    /***
     * @return array the items/products list in this payment request
     */
    public function getItems()
    {
        return $this->items;
    }

    /***
     * Sets the items/products list in this payment request
     * @param array $items
     */
    public function setItems(array $items)
    {
        if (is_array($items)) {
            $i = array();
            foreach ($items as $key => $item) {
                if ($item instanceof PagSeguroItem) {
                    $i[$key] = $item;
                } else {
                    if (is_array($item)) {
                        $i[$key] = new PagSeguroItem($item);
                    }
                }
            }
            $this->items = $i;
        }
    }

    /***
     * Adds a new product/item in this payment request
     *
     * @param String $id
     * @param String $description
     * @param String $quantity
     * @param String $amount
     * @param String $weight
     * @param String $shippingCost
     */
    public function addItem(
        $id,
        $description = null,
        $quantity = null,
        $amount = null,
        $weight = null,
        $shippingCost = null
    ) {
        $param = $id;
        if ($this->items == null) {
            $this->items = array();
        }
        if (is_array($param)) {
            array_push($this->items, new PagSeguroItem($param));
        } else {
            if ($param instanceof PagSeguroItem) {
                array_push($this->items, $param);
            } else {
                $item = new PagSeguroItem();
                $item->setId($param);
                $item->setDescription($description);
                $item->setQuantity($quantity);
                $item->setAmount($amount);
                $item->setWeight($weight);
                $item->setShippingCost($shippingCost);
                array_push($this->items, $item);
            }
        }
    }

    public function addSenderDocument($type, $value)
    {
        if ($this->getSender() instanceof PagSeguroSender) {
            $this->getSender()->addDocument($type, $value);
        }
    }

    /***
     * URI to where the PagSeguro payment page should redirect the user after the payment information is processed.
     * Typically this is a confirmation page on your web site.
     *
     * @return String the redirectURL
     */
    public function getRedirectURL()
    {
        return $this->redirectURL;
    }

    /***
     * Sets the redirect URL
     *
     * Uri to where the PagSeguro payment page should redirect the user after the payment information is processed.
     * Typically this is a confirmation page on your web site.
     *
     * @param String $redirectURL
     */
    public function setRedirectURL($redirectURL)
    {
        $this->redirectURL = $this->verifyURLTest($redirectURL);
    }

    /***
     * This value can be used to add an extra charge to the transaction
     * or provide a discount in the case ExtraAmount is a negative value.
     *
     * @return float the extra amount
     */
    public function getExtraAmount()
    {
        return $this->extraAmount;
    }

    /***
     * Sets the extra amount
     * This value can be used to add an extra charge to the transaction
     * or provide a discount in the case <b>extraAmount</b> is a negative value.
     *
     * @param extraAmount
     */
    public function setExtraAmount($extraAmount)
    {
        $this->extraAmount = $extraAmount;
    }

    /***
     * @return mixed the reference of this payment request
     */
    public function getReference()
    {
        return $this->reference;
    }

    /***
     * Sets the reference of this payment request
     * @param reference
     */
    public function setReference($reference)
    {
        $this->reference = $reference;
    }

    /***
     * @return PagSeguroShipping the shipping information for this payment request
     * @see PagSeguroShipping
     */
    public function getShipping()
    {
        return $this->shipping;
    }

    /***
     * Sets the shipping information for this payment request
     * @param PagSeguroShipping $address
     * @param PagSeguroShippingType $type
     */
    public function setShipping($address, $type = null)
    {
        $param = $address;
        if ($param instanceof PagSeguroShipping) {
            $this->shipping = $param;
        } else {
            $shipping = new PagSeguroShipping();
            if (is_array($param)) {
                $shipping->setAddress(new PagSeguroAddress($param));
            } else {
                if ($param instanceof PagSeguroAddress) {
                    $shipping->setAddress($param);
                }
            }
            if ($type) {
                if ($type instanceof PagSeguroShippingType) {
                    $shipping->setType($type);
                } else {
                    $shipping->setType(new PagSeguroShippingType($type));
                }
            }
            $this->shipping = $shipping;
        }
    }

    /***
     * Sets the shipping address for this payment request
     * @param String $postalCode
     * @param String $street
     * @param String $number
     * @param String $complement
     * @param String $district
     * @param String $city
     * @param String $state
     * @param String $country
     */
    public function setShippingAddress(
        $postalCode = null,
        $street = null,
        $number = null,
        $complement = null,
        $district = null,
        $city = null,
        $state = null,
        $country = null
    ) {
        $param = $postalCode;
        if ($this->shipping == null) {
            $this->shipping = new PagSeguroShipping();
        }
        if (is_array($param)) {
            $this->shipping->setAddress(new PagSeguroAddress($param));
        } elseif ($param instanceof PagSeguroAddress) {
            $this->shipping->setAddress($param);
        } else {
            $address = new PagSeguroAddress();
            $address->setPostalCode($postalCode);
            $address->setStreet($street);
            $address->setNumber($number);
            $address->setComplement($complement);
            $address->setDistrict($district);
            $address->setCity($city);
            $address->setState($state);
            $address->setCountry($country);
            $this->shipping->setAddress($address);
        }
    }

    /***
     * Sets the shipping type for this payment request
     * @param PagSeguroShippingType $type
     */
    public function setShippingType($type)
    {
        $param = $type;
        if ($this->shipping == null) {
            $this->shipping = new PagSeguroShipping();
        }
        if ($param instanceof PagSeguroShippingType) {
            $this->shipping->setType($param);
        } else {
            $this->shipping->setType(new PagSeguroShippingType($param));
        }
    }

    /***
     * Sets the shipping cost for this payment request
     * @param float $shippingCost
     */
    public function setShippingCost($shippingCost)
    {
        $param = $shippingCost;
        if ($this->shipping == null) {
            $this->shipping = new PagSeguroShipping();
        }

        $this->shipping->setCost($param);
    }

    /***
     * @return integer the max age of this payment request
     *
     * After this payment request is submitted, the payment code returned
     * will remain valid for the period specified.
     */
    public function getMaxAge()
    {
        return $this->maxAge;
    }

    /***
     * Sets the max age of this payment request
     * After this payment request is submitted, the payment code returned
     * will remain valid for the period specified here.
     *
     * @param maxAge
     */
    public function setMaxAge($maxAge)
    {
        $this->maxAge = $maxAge;
    }

    /***
     * After this payment request is submitted, the payment redirect uri returned by
     * the payment web service will remain valid for the number of uses specified here.
     *
     * @return integer the max uses configured for this payment request
     */
    public function getMaxUses()
    {
        return $this->maxUses;
    }

    /***
     * Sets the max uses of this payment request
     *
     * After this payment request is submitted, the payment redirect uri returned by
     * the payment web service will remain valid for the number of uses specified here.
     *
     * @param maxUses
     */
    public function setMaxUses($maxUses)
    {
        $this->maxUses = $maxUses;
    }

    /***
     * Get the notification status url
     *
     * @return String
     */
    public function getNotificationURL()
    {
        return $this->notificationURL;
    }

    /***
     * Sets the url that PagSeguro will send the new notifications statuses
     *
     * @param String $notificationURL
     */
    public function setNotificationURL($notificationURL)
    {
        $this->notificationURL = $this->verifyURLTest($notificationURL);
    }

    /***
     * Sets metadata for PagSeguro checkout requests
     *
     * @param PagSeguroMetaData $metaData
     */
    public function setMetaData($metaData)
    {
        $this->metadata = $metaData;
    }

    /***
     * Gets metadata for PagSeguro checkout requests
     *
     * @return PagSeguroMetaData $metaData
     */
    public function getMetaData()
    {

        if ($this->metadata == null) {
            $this->metadata = new PagSeguroMetaData();
        }
        return $this->metadata;
    }

    /***
     * add a parameter for PagSeguro metadata checkout request
     *
     * @param PagSeguroMetaDataItem $itemKey key
     * @param PagSeguroMetaDataItem $itemValue value
     * @param PagSeguroMetaDataItem $itemGroup group
     */
    public function addMetaData($itemKey, $itemValue, $itemGroup = null)
    {
        $this->getMetaData()->addItem(new PagSeguroMetaDataItem($itemKey, $itemValue, $itemGroup));
    }

    /***
     * Sets payment method config for PagSeguro checkout requests
     * @param PagSeguroPaymentMethodConfig $paymentMethodConfig
     */
    public function setPaymentMethodConfig($paymentMethodConfig)
    {
        $this->paymentMethodConfig = $paymentMethodConfig;
    }

    /***
     * Gets payment method config for PagSeguro checkout requests
     * @return PagSeguroPaymentMethodConfig $paymentMethodConfig
     */
    public function getPaymentMethodConfig()
    {

        if ($this->paymentMethodConfig == null) {
            $this->paymentMethodConfig = new PagSeguroPaymentMethodConfig();
        }
        return $this->paymentMethodConfig;
    }

    /***
     * add a parameter for PagSeguro payment method config checkout request
     * @param PagSeguroPaymentMethodConfig $itemKey key
     * @param PagSeguroPaymentMethodConfig $itemValue value
     * @param PagSeguroPaymentMethodGroups $itemGroup group
     */
    public function addPaymentMethodConfig($itemGroup, $itemValue, $itemKey)
    {
        $this->getPaymentMethodConfig()->addConfig(
            new PagSeguroPaymentMethodConfigItem($itemGroup,$itemValue,$itemKey)
        );
    }

    /***
     * Sets parameter for PagSeguro checkout requests
     *
     * @param PagSeguroParameter $parameter
     */
    public function setParameter($parameter)
    {
        $this->parameter = $parameter;
    }

    /***
     * Gets parameter for PagSeguro checkout requests
     *
     * @return PagSeguroParameter
     */
    public function getParameter()
    {
        if ($this->parameter == null) {
            $this->parameter = new PagSeguroParameter();
        }
        return $this->parameter;
    }

    /***
     * add a parameter for PagSeguro checkout request
     *
     * @param PagSeguroParameterItem $parameterName key
     * @param PagSeguroParameterItem $parameterValue value
     */
    public function addParameter($parameterName, $parameterValue)
    {
        $this->getParameter()->addItem(new PagSeguroParameterItem($parameterName, $parameterValue));
    }

    /***
     * add a parameter for PagSeguro checkout request
     *
     * @param PagSeguroParameterItem $parameterName key
     * @param PagSeguroParameterItem $parameterValue value
     * @param PagSeguroParameterItem $parameterIndex group
     */
    public function addIndexedParameter($parameterName, $parameterValue, $parameterIndex)
    {
        $this->getParameter()->addItem(new PagSeguroParameterItem($parameterName, $parameterValue, $parameterIndex));
    }

    /***
     * Calls the PagSeguro web service and register this request for payment
     *
     * @param PagSeguroCredentials $credentials, lighbox
     * @return String The URL to where the user needs to be redirected to in order to complete the payment process or
     * the CODE when use lightbox
     */
    public function register(PagSeguroCredentials $credentials, $onlyCheckoutCode = false)
    {
        return PagSeguroPaymentService::createCheckoutRequest($credentials, $this, $onlyCheckoutCode);
    }

    /***
     * @return String a string that represents the current object
     */
    public function toString()
    {
        $email = $this->sender ? $this->sender->getEmail() : "null";

        $request = array();
        $request['Reference'] = $this->reference;
        $request['SenderEmail'] = $email;

        return "PagSeguroPaymentRequest: " . var_export($request, true);
    }

    /***
     * Verify if the adress of NotificationURL or RedirectURL is for tests and return empty
     * @param type $url
     * @return type
     */
    public function verifyURLTest($url)
    {
        $adress = array(
            '127.0.0.1',
            '::1'
        );

        foreach ($adress as $item) {
            $find = strpos($url, $item);

            if ($find) {
                $urlReturn = '';
                break;
            } else {
                $urlReturn = $url;
            }
        }

        return $urlReturn;
    }
}