woocommerce/includes/class-wc-payment-gateways.php

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<?php
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if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
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/**
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* WooCommerce Payment Gateways class
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*
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* Loads payment gateways via hooks for use in the store.
*
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* @class WC_Payment_Gateways
* @version 2.2.0
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* @package WooCommerce/Classes/Payment
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* @category Class
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* @author WooThemes
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*/
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class WC_Payment_Gateways {
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/** @var array Array of payment gateway classes. */
public $payment_gateways;
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/**
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* @var WC_Payment_Gateways The single instance of the class
* @since 2.1
*/
protected static $_instance = null;
/**
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* Main WC_Payment_Gateways Instance.
*
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* Ensures only one instance of WC_Payment_Gateways is loaded or can be loaded.
*
* @since 2.1
* @static
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* @return WC_Payment_Gateways Main instance
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Cloning is forbidden.
*
* @since 2.1
*/
public function __clone() {
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_doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'woocommerce' ), '2.1' );
}
/**
* Unserializing instances of this class is forbidden.
*
* @since 2.1
*/
public function __wakeup() {
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_doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'woocommerce' ), '2.1' );
}
/**
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* Initialize payment gateways.
*/
public function __construct() {
$this->init();
}
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/**
* Load gateways and hook in functions.
*/
public function init() {
$load_gateways = array(
'WC_Gateway_BACS',
'WC_Gateway_Cheque',
'WC_Gateway_COD',
'WC_Gateway_Paypal',
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);
/**
* Simplify Commerce is @deprecated in 2.6.0. Only load when enabled.
*/
if ( ! class_exists( 'WC_Gateway_Simplify_Commerce_Loader' ) && in_array( WC()->countries->get_base_country(), apply_filters( 'woocommerce_gateway_simplify_commerce_supported_countries', array( 'US', 'IE' ) ) ) ) {
$simplify_options = get_option( 'woocommerce_simplify_commerce_settings', array() );
if ( ! empty( $simplify_options['enabled'] ) && 'yes' === $simplify_options['enabled'] ) {
if ( function_exists( 'wcs_create_renewal_order' ) ) {
$load_gateways[] = 'WC_Addons_Gateway_Simplify_Commerce';
} else {
$load_gateways[] = 'WC_Gateway_Simplify_Commerce';
}
}
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}
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// Filter
$load_gateways = apply_filters( 'woocommerce_payment_gateways', $load_gateways );
// Get sort order option
$ordering = (array) get_option( 'woocommerce_gateway_order' );
$order_end = 999;
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// Load gateways in order
foreach ( $load_gateways as $gateway ) {
$load_gateway = is_string( $gateway ) ? new $gateway() : $gateway;
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if ( isset( $ordering[ $load_gateway->id ] ) && is_numeric( $ordering[ $load_gateway->id ] ) ) {
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// Add in position
$this->payment_gateways[ $ordering[ $load_gateway->id ] ] = $load_gateway;
} else {
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// Add to end of the array
$this->payment_gateways[ $order_end ] = $load_gateway;
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$order_end++;
}
}
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ksort( $this->payment_gateways );
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}
/**
* Get gateways.
*
* @access public
* @return array
*/
public function payment_gateways() {
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$_available_gateways = array();
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if ( sizeof( $this->payment_gateways ) > 0 ) {
foreach ( $this->payment_gateways as $gateway ) {
$_available_gateways[ $gateway->id ] = $gateway;
}
}
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return $_available_gateways;
}
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/**
* Get available gateways.
*
* @return array
*/
public function get_available_payment_gateways() {
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$_available_gateways = array();
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foreach ( $this->payment_gateways as $gateway ) {
if ( $gateway->is_available() ) {
if ( ! is_add_payment_method_page() ) {
$_available_gateways[ $gateway->id ] = $gateway;
} else if( $gateway->supports( 'add_payment_method' ) ) {
$_available_gateways[ $gateway->id ] = $gateway;
} else if ( $gateway->supports( 'tokenization' ) ) {
$_available_gateways[ $gateway->id ] = $gateway;
}
}
}
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return apply_filters( 'woocommerce_available_payment_gateways', $_available_gateways );
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}
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/**
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* Set the current, active gateway.
*
* @param array $gateway Available payment gateways.
*/
public function set_current_gateway( $gateways ) {
// Be on the defensive
if ( ! is_array( $gateways ) || empty( $gateways ) ) {
return;
}
if ( is_user_logged_in() ) {
$default_token = WC_Payment_Tokens::get_customer_default_token( get_current_user_id() );
if ( ! is_null( $default_token ) ) {
$default_token_gateway = $default_token->get_gateway_id();
}
}
$current = ( isset( $default_token_gateway ) ? $default_token_gateway : WC()->session->get( 'chosen_payment_method' ) );
if ( $current && isset( $gateways[ $current ] ) ) {
$current_gateway = $gateways[ $current ];
} else {
$current_gateway = current( $gateways );
}
// Ensure we can make a call to set_current() without triggering an error
if ( $current_gateway && is_callable( array( $current_gateway, 'set_current' ) ) ) {
$current_gateway->set_current();
}
}
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/**
* Save options in admin.
*/
public function process_admin_options() {
$gateway_order = isset( $_POST['gateway_order'] ) ? $_POST['gateway_order'] : '';
$order = array();
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if ( is_array( $gateway_order ) && sizeof( $gateway_order ) > 0 ) {
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$loop = 0;
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foreach ( $gateway_order as $gateway_id ) {
$order[ esc_attr( $gateway_id ) ] = $loop;
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$loop++;
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}
}
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update_option( 'woocommerce_gateway_order', $order );
}
}