laipower/wp-content/plugins/easy-digital-downloads/includes/gateways/paypal/buy-now.php

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<?php
/**
* PayPal Commerce "Buy Now" Buttons
*
* @package easy-digital-downloads
* @subpackage Gateways\PayPal
* @copyright Copyright (c) 2021, Sandhills Development, LLC
* @license GPL2+
*/
namespace EDD\Gateways\PayPal;
/**
* Determines whether or not Buy Now is enabled for PayPal.
*
* @since 2.11
* @return bool
*/
function is_buy_now_enabled() {
return edd_shop_supports_buy_now() && array_key_exists( 'paypal_commerce', edd_get_enabled_payment_gateways() );
}
/**
* Sets the gateway to `paypal_commerce` when building straight to gateway data.
* This is technically already set via `edd_build_straight_to_gateway_data()` but we want
* to make 100% sure we override PayPal Standard when PayPal Commerce is enabled.
*
* @param array $purchase_data
*
* @since 2.11
* @return array
*/
function straight_to_gateway_data( $purchase_data ) {
if ( is_buy_now_enabled() ) {
$_REQUEST['edd-gateway'] = 'paypal_commerce';
$purchase_data['gateway'] = 'paypal_commerce';
}
return $purchase_data;
}
add_filter( 'edd_straight_to_gateway_purchase_data', __NAMESPACE__ . '\straight_to_gateway_data' );
/**
* Adds the `edd-paypal-checkout-buy-now` class to qualified shortcodes.
*
* @param array $args
*
* @since 2.11
* @return array
*/
function maybe_add_purchase_link_class( $args ) {
if ( ! is_buy_now_enabled() ) {
return $args;
}
// Don't add class if "Free Downloads" is active and available for this download.
if ( function_exists( 'edd_free_downloads_use_modal' ) ) {
if ( edd_free_downloads_use_modal( $args['download_id'] ) && ! edd_has_variable_prices( $args['download_id'] ) ) {
return $args;
}
}
// Don't add class if Recurring is enabled for this download.
if ( function_exists( 'edd_recurring' ) ) {
// Overall download is recurring.
if ( edd_recurring()->is_recurring( $args['download_id'] ) ) {
return $args;
}
// Price ID is recurring.
if ( ! empty( $args['price_id'] ) && edd_recurring()->is_price_recurring( $args['download_id'], $args['price_id'] ) ) {
return $args;
}
}
if ( ! empty( $args['direct'] ) ) {
$args['class'] .= ' edd-paypal-checkout-buy-now';
}
return $args;
}
add_filter( 'edd_purchase_link_args', __NAMESPACE__ . '\maybe_add_purchase_link_class' );
/**
* Registers PayPal Commerce JavaScript if using "direct" buy now links.
*
* @param int $download_id ID of the download.
* @param array $args Purchase link arguments.
*
* @since 2.11
*/
function maybe_enable_buy_now_js( $download_id, $args ) {
if ( ! empty( $args['direct'] ) && is_buy_now_enabled() ) {
register_js( true );
$timestamp = time();
?>
<input type="hidden" name="edd_process_paypal_nonce" value="<?php echo esc_attr( wp_create_nonce( 'edd_process_paypal' ) ); ?>">
<input type="hidden" name="edd-process-paypal-token" data-timestamp="<?php echo esc_attr( $timestamp ); ?>" data-token="<?php echo esc_attr( \EDD\Utils\Tokenizer::tokenize( $timestamp ) ); ?>" />
<?php
}
}
add_action( 'edd_purchase_link_end', __NAMESPACE__ . '\maybe_enable_buy_now_js', 10, 2 );