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