if ( ! class_exists( 'my_custom_buycred_gateway' ) ) :
	class my_custom_buycred_gateway extends myCRED_Payment_Gateway {

		function __construct( $gateway_prefs ) {

			// Add a default exchange rate for all point types
			$types            = mycred_get_types();
			$default_exchange = array();
			foreach ( $types as $type => $label )
				$default_exchange[ $type ] = 1;

			// Register settings
			parent::__construct( array(
				'id'               => 'my_custom_gateway',
				'label'            => 'My Custom Gateway',
				'defaults'         => array(
					'logo'             => '',
					'title'            => '',
					'currency'         => 'EUR',
					'exchange'         => $default_exchange
				)
			), $gateway_prefs );

		}

		public function buy() {

			// Example: Require that settings are saved before this gateway is used
			if ( empty( $this->prefs['currency'] ) ) wp_die( 'Please setup this payment gateway before trying to make a purchase.' );

			// Get the point type requested to be bought
			$type   = $this->get_point_type();

			// Load the selected point type
			$mycred = mycred( $type );

			// Format the amount requested
			$amount = $mycred->number( $_REQUEST['amount'] );
			$amount = abs( $amount );

			// Get the cost of purchasing the amount requested
			$cost  = $this->get_cost( $amount, $type );

			// Get the recipient of the purchase (in case this is a gift purchase)
			$to    = $this->get_to();

			// Get the buyers ID (always the current user)
			$from  = get_current_user_id();

			// If this is a request to pay an existing pending payment
			if ( isset( $_REQUEST['revisit'] ) )
				$this->transaction_id = strtoupper( $_REQUEST['revisit'] );

			// If this is a new request
			else {

				// Add a new pending payment
				$post_id              = $this->add_pending_payment( array( $to, $from, $amount, $cost, $this->prefs['currency'], $type ) );

				// The pending payment is a custom post type where the title is the unique purchase request ID
				$this->transaction_id = get_the_title( $post_id );

			}

			// Get the page we need to redirect users to if they select to cancel this request
			$cancel_url = $this->get_cancelled( $this->transaction_id );

			// Get the thank you page to redirect users to on successfull payments
			$thankyou_url = $this->get_thankyou();

			// Generate the checkout page

			// The page header
			$this->get_page_header( 'Redirecting you to payment processor' );

			// Arguments to pass into a form that is submitted to the remote server
			// For example, see the PayPal Payment Standard gateway
			$hidden_fields = array();

			// Location of the payment processor where we need to redirect a user
			// Example of the location PayPal uses.
			$location = 'https://www.paypal.com/cgi-bin/webscr';

			// This example requires us to redirect a user to a remote payment processor
			$this->get_page_redirect( $hidden_fields, $location );

			// The page footer
			$this->get_page_footer();

		}

	}
endif;