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<?php
/**
* Class LP_Gateways
*
* @author ThimPress
* @package LearnPress/Classes
* @version 1.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class LP_Gateways
*/
class LP_Gateways {
/**
* @var null
*/
protected static $_instance = null;
/**
* @var array
*/
protected $payment_gateways = array();
/**
* LP_Gateways constructor.
*/
public function __construct() {
$this->init();
}
/**
* Init gateways
*/
public function init() {
if ( ! $this->payment_gateways ) {
$gateways = array(
'paypal' => 'LP_Gateway_Paypal'
);
// Filter
$gateways = apply_filters( 'learn_press_payment_method', $gateways );
// 3.0.0
$gateways = apply_filters( 'learn-press/payment-methods', $gateways );
if ( $gateways ) {
foreach ( $gateways as $k => $gateway ) {
if ( is_string( $gateway ) && class_exists( $gateway ) ) {
$gateway = new $gateway();
}
$this->payment_gateways[ $k ] = apply_filters( 'learn-press/payment-gateway/init', $gateway );
}
}
}
}
/**
* Get all registered payments.
*
* @param boolean $with_order If true sort payments with the order saved in admin
*
* @return array
*/
public function get_gateways( $with_order = false ) {
$gateways = array();
if ( count( $this->payment_gateways ) ) {
foreach ( $this->payment_gateways as $gateway ) {
if ( is_string( $gateway ) && class_exists( $gateway ) ) {
$gateway = new $gateway();
}
if ( ! is_object( $gateway ) ) {
continue;
}
$gateways[ $gateway->id ] = $gateway;
}
}
if ( $with_order && $ordered = get_option( 'learn_press_payment_order' ) ) {
// Sort gateways by the keys stored.
usort( $gateways, array( $this, '_sort_gateways_callback' ) );
}
return $gateways;
}
/**
* Callback function for sorting payment gateways.
*
* @param LP_Gateway_Abstract $a
* @param LP_Gateway_Abstract $b
*
* @return bool|int
*/
public function _sort_gateways_callback( $a, $b ) {
if ( $ordered = get_option( 'learn_press_payment_order' ) ) {
return array_search( $a->id, $ordered ) > array_search( $b->id, $ordered );
}
return 0;
}
/**
* Get payment gateways are available for use.
*
* @return mixed
*/
public function get_available_payment_gateways() {
$this->init();
$_available_gateways = array();
$is_selected = false;
foreach ( $this->payment_gateways as $slug => $gateway ) {
/**
* @deprecated
*/
$gateway_available = apply_filters( 'learn_press_payment_gateway_available_' . $slug, true, $gateway );
if ( $gateway_available ) {
// Let custom addon can define how is enable/disable
if ( apply_filters( 'learn-press/payment-gateway/' . $slug . '/available', true, $gateway ) ) {
// If gateway has already selected before
if ( LP()->session->get( 'chosen_payment_method' ) == $gateway->id ) {
$gateway->is_selected = true;
$is_selected = $gateway;
}
$_available_gateways[ $slug ] = $gateway;
}
}
}
// Set default payment if there is no payment is selected
if ( $_available_gateways && ! $is_selected ) {
$gateway = reset( $_available_gateways );
$gateway->is_selected = true;
}
/**
* @deprecated
*/
$_available_gateways = apply_filters( 'learn_press_available_payment_gateways', $_available_gateways );
return apply_filters( 'learn-press/payment-gateways/available', $_available_gateways );
}
/**
* @return array
*/
public function get_availabe_gateways() {
return $this->payment_gateways;
}
/**
* @param string $id
*
* @since 3.0.0
*
* @return bool|LP_Gateway_Abstract
*/
public function get_gateway( $id ) {
if ( $gateways = $this->get_gateways() ) {
if ( isset( $gateways[ $id ] ) ) {
return $gateways[ $id ];
}
}
return false;
}
/**
* Ensure that only one instance of LP_Gateways is loaded
* @return LP_Gateways|null
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
}
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