covery / php-client

     *

     * @return $this

     */

    public function addWebsiteData($websiteUrl = null, $traffic_source = null, $affiliate_id = null)

    {

        if ($websiteUrl !== null && !is_string($websiteUrl)) {

            throw new \InvalidArgumentException('Website URL must be string');

        }

        if ($traffic_source !== null && !is_string($traffic_source)) {

            throw new \InvalidArgumentException('Traffic source must be string');

        }

        if ($affiliate_id !== null && !is_string($affiliate_id)) {

            throw new \InvalidArgumentException('Affiliate ID must be string');

        }

        $this->replace('website_url', $websiteUrl);

        $this->replace('traffic_source', $traffic_source);

        $this->replace('affiliate_id', $affiliate_id);

        return $this;

    }

    /**

     * Provides IP information for envelope

     *

     * @return $this

     */

    public function addProductData(

        $productQuantity = null,

        $productName = null,

        $productDescription = null

    ) {

        if ($productQuantity !== null && !is_int($productQuantity) && !is_float($productQuantity)) {

            throw new \InvalidArgumentException('Product quantity must be int or float');

        }

        if ($productName !== null && !is_string($productName)) {

            throw new \InvalidArgumentException('Product name must be string');

        }

        if ($productDescription !== null && !is_string($productDescription)) {

            throw new \InvalidArgumentException('Product description must be string');

        }

        $this->replace('product_quantity', $productQuantity);

        $this->replace('product_name', $productName);

        $this->replace('product_description', $productDescription);

        return $this;

    }

    /**

     * Provides payout information to envelope