692 lines
21 KiB
PHP
692 lines
21 KiB
PHP
<?php
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/*
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* Simple Payments lets users embed a PayPal button fully integrated with wpcom to sell products on the site.
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* This is not a proper module yet, because not all the pieces are in place. Until everything is shipped, it can be turned
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* into module that can be enabled/disabled.
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*/
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class Jetpack_Simple_Payments {
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// These have to be under 20 chars because that is CPT limit.
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static $post_type_order = 'jp_pay_order';
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static $post_type_product = 'jp_pay_product';
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static $shortcode = 'simple-payment';
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static $css_classname_prefix = 'jetpack-simple-payments';
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// Increase this number each time there's a change in CSS or JS to bust cache.
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static $version = '0.25';
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// Classic singleton pattern:
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private static $instance;
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private function __construct() {}
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static function getInstance() {
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if ( ! self::$instance ) {
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self::$instance = new self();
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self::$instance->register_init_hooks();
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}
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return self::$instance;
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}
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private function register_scripts_and_styles() {
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/**
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* Paypal heavily discourages putting that script in your own server:
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* @see https://developer.paypal.com/docs/integration/direct/express-checkout/integration-jsv4/add-paypal-button/
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*/
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wp_register_script( 'paypal-checkout-js', 'https://www.paypalobjects.com/api/checkout.js', array(), null, true );
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wp_register_script( 'paypal-express-checkout', plugins_url( '/paypal-express-checkout.js', __FILE__ ),
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array( 'jquery', 'paypal-checkout-js' ), self::$version );
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wp_register_style( 'jetpack-simple-payments', plugins_url( '/simple-payments.css', __FILE__ ), array( 'dashicons' ) );
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}
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private function register_init_hooks() {
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add_action( 'init', array( $this, 'init_hook_action' ) );
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add_action( 'jetpack_register_gutenberg_extensions', array( $this, 'register_gutenberg_block' ) );
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add_action( 'rest_api_init', array( $this, 'register_meta_fields_in_rest_api' ) );
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}
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private function register_shortcode() {
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add_shortcode( self::$shortcode, array( $this, 'parse_shortcode' ) );
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}
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public function init_hook_action() {
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add_filter( 'rest_api_allowed_post_types', array( $this, 'allow_rest_api_types' ) );
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add_filter( 'jetpack_sync_post_meta_whitelist', array( $this, 'allow_sync_post_meta' ) );
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if ( ! is_admin() ) {
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$this->register_scripts_and_styles();
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}
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$this->register_shortcode();
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$this->setup_cpts();
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add_filter( 'the_content', array( $this, 'remove_auto_paragraph_from_product_description' ), 0 );
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}
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function register_gutenberg_block() {
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if ( $this->is_enabled_jetpack_simple_payments() ) {
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jetpack_register_block( 'jetpack/simple-payments' );
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} else {
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$required_plan = ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ? 'value_bundle' : 'jetpack_premium';
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Jetpack_Gutenberg::set_extension_unavailable(
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'jetpack/simple-payments',
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'missing_plan',
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array(
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'required_feature' => 'simple-payments',
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'required_plan' => ( defined( 'JETPACK_SHOW_BLOCK_UPGRADE_NUDGE' ) && JETPACK_SHOW_BLOCK_UPGRADE_NUDGE ) ? $required_plan : false
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)
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);
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}
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}
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function remove_auto_paragraph_from_product_description( $content ) {
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if ( get_post_type() === self::$post_type_product ) {
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remove_filter( 'the_content', 'wpautop' );
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}
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return $content;
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}
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function get_blog_id() {
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if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
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return get_current_blog_id();
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}
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return Jetpack_Options::get_option( 'id' );
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}
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/**
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* Used to check whether Simple Payments are enabled for given site.
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*
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* @return bool True if Simple Payments are enabled, false otherwise.
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*/
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function is_enabled_jetpack_simple_payments() {
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/**
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* Can be used by plugin authors to disable the conflicting output of Simple Payments.
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*
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* @since 6.3.0
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*
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* @param bool True if Simple Payments should be disabled, false otherwise.
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*/
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if ( apply_filters( 'jetpack_disable_simple_payments', false ) ) {
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return false;
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}
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// For WPCOM sites
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if ( defined( 'IS_WPCOM' ) && IS_WPCOM && function_exists( 'has_any_blog_stickers' ) ) {
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$site_id = $this->get_blog_id();
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return has_any_blog_stickers( array( 'premium-plan', 'business-plan', 'ecommerce-plan' ), $site_id );
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}
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// For all Jetpack sites
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return Jetpack::is_active() && Jetpack_Plan::supports( 'simple-payments');
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}
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function parse_shortcode( $attrs, $content = false ) {
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if ( empty( $attrs['id'] ) ) {
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return;
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}
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$product = get_post( $attrs['id'] );
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if ( ! $product || is_wp_error( $product ) ) {
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return;
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}
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if ( $product->post_type !== self::$post_type_product || 'publish' !== $product->post_status ) {
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return;
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}
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// We allow for overriding the presentation labels
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$data = shortcode_atts( array(
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'blog_id' => $this->get_blog_id(),
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'dom_id' => uniqid( self::$css_classname_prefix . '-' . $product->ID . '_', true ),
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'class' => self::$css_classname_prefix . '-' . $product->ID,
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'title' => get_the_title( $product ),
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'description' => $product->post_content,
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'cta' => get_post_meta( $product->ID, 'spay_cta', true ),
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'multiple' => get_post_meta( $product->ID, 'spay_multiple', true ) || '0'
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), $attrs );
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$data['price'] = $this->format_price(
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get_post_meta( $product->ID, 'spay_price', true ),
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get_post_meta( $product->ID, 'spay_currency', true )
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);
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$data['id'] = $attrs['id'];
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if( ! wp_style_is( 'jetpack-simple-payments', 'enqueued' ) ) {
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wp_enqueue_style( 'jetpack-simple-payments' );
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}
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if ( ! $this->is_enabled_jetpack_simple_payments() ) {
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return $this->output_admin_warning( $data );
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}
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if ( ! wp_script_is( 'paypal-express-checkout', 'enqueued' ) ) {
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wp_enqueue_script( 'paypal-express-checkout' );
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}
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wp_add_inline_script( 'paypal-express-checkout', sprintf(
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"try{PaypalExpressCheckout.renderButton( '%d', '%d', '%s', '%d' );}catch(e){}",
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esc_js( $data['blog_id'] ),
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esc_js( $attrs['id'] ),
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esc_js( $data['dom_id'] ),
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esc_js( $data['multiple'] )
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) );
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return $this->output_shortcode( $data );
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}
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function output_admin_warning( $data ) {
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if ( ! current_user_can( 'manage_options' ) ) {
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return;
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}
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$css_prefix = self::$css_classname_prefix;
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$support_url = ( defined( 'IS_WPCOM' ) && IS_WPCOM )
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? 'https://support.wordpress.com/simple-payments/'
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: 'https://jetpack.com/support/simple-payment-button/';
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return sprintf( '
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<div class="%1$s">
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<div class="%2$s">
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<div class="%3$s">
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<div class="%4$s" id="%5$s">
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<p>%6$s</p>
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<p>%7$s</p>
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</div>
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</div>
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</div>
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</div>
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',
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esc_attr( "{$data['class']} ${css_prefix}-wrapper" ),
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esc_attr( "${css_prefix}-product" ),
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esc_attr( "${css_prefix}-details" ),
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esc_attr( "${css_prefix}-purchase-message show error" ),
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esc_attr( "{$data['dom_id']}-message-container" ),
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sprintf(
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wp_kses(
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__( 'Your plan doesn\'t include Simple Payments. <a href="%s" rel="noopener noreferrer" target="_blank">Learn more and upgrade</a>.', 'jetpack' ),
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array( 'a' => array( 'href' => array(), 'rel' => array(), 'target' => array() ) )
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),
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esc_url( $support_url )
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),
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esc_html__( '(Only administrators will see this message.)', 'jetpack' )
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);
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}
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function output_shortcode( $data ) {
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$items = '';
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$css_prefix = self::$css_classname_prefix;
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if ( $data['multiple'] ) {
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$items = sprintf( '
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<div class="%1$s">
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<input class="%2$s" type="number" value="1" min="1" id="%3$s" />
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</div>
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',
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esc_attr( "${css_prefix}-items" ),
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esc_attr( "${css_prefix}-items-number" ),
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esc_attr( "{$data['dom_id']}_number" )
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);
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}
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$image = "";
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if( has_post_thumbnail( $data['id'] ) ) {
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$image = sprintf( '<div class="%1$s"><div class="%2$s">%3$s</div></div>',
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esc_attr( "${css_prefix}-product-image" ),
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esc_attr( "${css_prefix}-image" ),
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get_the_post_thumbnail( $data['id'], 'full' )
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);
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}
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return sprintf( '
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<div class="%1$s">
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<div class="%2$s">
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%3$s
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<div class="%4$s">
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<div class="%5$s"><p>%6$s</p></div>
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<div class="%7$s"><p>%8$s</p></div>
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<div class="%9$s"><p>%10$s</p></div>
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<div class="%11$s" id="%12$s"></div>
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<div class="%13$s">
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%14$s
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<div class="%15$s" id="%16$s"></div>
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</div>
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</div>
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</div>
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</div>
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',
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esc_attr( "{$data['class']} ${css_prefix}-wrapper" ),
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esc_attr( "${css_prefix}-product" ),
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$image,
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esc_attr( "${css_prefix}-details" ),
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esc_attr( "${css_prefix}-title" ),
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esc_html( $data['title'] ),
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esc_attr( "${css_prefix}-description" ),
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wp_kses( $data['description'], wp_kses_allowed_html( 'post' ) ),
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esc_attr( "${css_prefix}-price" ),
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esc_html( $data['price'] ),
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esc_attr( "${css_prefix}-purchase-message" ),
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esc_attr( "{$data['dom_id']}-message-container" ),
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esc_attr( "${css_prefix}-purchase-box" ),
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$items,
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esc_attr( "${css_prefix}-button" ),
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esc_attr( "{$data['dom_id']}_button" )
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);
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}
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/**
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* Format a price with currency
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*
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* Uses currency-aware formatting to output a formatted price with a simple fallback.
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*
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* Largely inspired by WordPress.com's Store_Price::display_currency
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*
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* @param string $price Price.
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* @param string $currency Currency.
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* @return string Formatted price.
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*/
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private function format_price( $price, $currency ) {
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$currency_details = self::get_currency( $currency );
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if ( $currency_details ) {
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// Ensure USD displays as 1234.56 even in non-US locales.
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$amount = 'USD' === $currency
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? number_format( $price, $currency_details['decimal'], '.', ',' )
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: number_format_i18n( $price, $currency_details['decimal'] );
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return sprintf(
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$currency_details['format'],
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$currency_details['symbol'],
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$amount
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);
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}
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// Fall back to unspecified currency symbol like `¤1,234.05`.
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// @link https://en.wikipedia.org/wiki/Currency_sign_(typography).
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if ( ! $currency ) {
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return '¤' . number_format_i18n( $price, 2 );
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}
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return number_format_i18n( $price, 2 ) . ' ' . $currency;
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}
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/**
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* Allows custom post types to be used by REST API.
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* @param $post_types
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* @see hook 'rest_api_allowed_post_types'
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* @return array
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*/
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function allow_rest_api_types( $post_types ) {
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$post_types[] = self::$post_type_order;
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$post_types[] = self::$post_type_product;
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return $post_types;
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}
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function allow_sync_post_meta( $post_meta ) {
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return array_merge( $post_meta, array(
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'spay_paypal_id',
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'spay_status',
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'spay_product_id',
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'spay_quantity',
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'spay_price',
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'spay_customer_email',
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'spay_currency',
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'spay_cta',
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'spay_email',
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'spay_multiple',
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'spay_formatted_price',
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) );
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}
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/**
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* Enable Simple payments custom meta values for access through the REST API.
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* Field’s value will be exposed on a .meta key in the endpoint response,
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* and WordPress will handle setting up the callbacks for reading and writing
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* to that meta key.
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*
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* @link https://developer.wordpress.org/rest-api/extending-the-rest-api/modifying-responses/
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*/
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public function register_meta_fields_in_rest_api() {
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register_meta( 'post', 'spay_price', array(
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'description' => esc_html__( 'Simple payments; price.', 'jetpack' ),
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'object_subtype' => self::$post_type_product,
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'sanitize_callback' => array( $this, 'sanitize_price' ),
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'show_in_rest' => true,
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'single' => true,
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'type' => 'number',
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) );
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register_meta( 'post', 'spay_currency', array(
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'description' => esc_html__( 'Simple payments; currency code.', 'jetpack' ),
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'object_subtype' => self::$post_type_product,
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'sanitize_callback' => array( $this, 'sanitize_currency' ),
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'show_in_rest' => true,
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'single' => true,
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'type' => 'string',
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) );
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register_meta( 'post', 'spay_cta', array(
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'description' => esc_html__( 'Simple payments; text with "Buy" or other CTA', 'jetpack' ),
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'object_subtype' => self::$post_type_product,
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'sanitize_callback' => 'sanitize_text_field',
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'show_in_rest' => true,
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'single' => true,
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'type' => 'string',
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) );
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register_meta( 'post', 'spay_multiple', array(
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'description' => esc_html__( 'Simple payments; allow multiple items', 'jetpack' ),
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'object_subtype' => self::$post_type_product,
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'sanitize_callback' => 'rest_sanitize_boolean',
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'show_in_rest' => true,
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'single' => true,
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'type' => 'boolean',
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) );
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register_meta( 'post', 'spay_email', array(
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'description' => esc_html__( 'Simple payments button; paypal email.', 'jetpack' ),
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'sanitize_callback' => 'sanitize_email',
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'show_in_rest' => true,
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'single' => true,
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'type' => 'string',
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) );
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register_meta( 'post', 'spay_status', array(
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'description' => esc_html__( 'Simple payments; status.', 'jetpack' ),
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'object_subtype' => self::$post_type_product,
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'sanitize_callback' => 'sanitize_text_field',
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'show_in_rest' => true,
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'single' => true,
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'type' => 'string',
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) );
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}
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/**
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* Sanitize three-character ISO-4217 Simple payments currency
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*
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* List has to be in sync with list at the client side:
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* @link https://github.com/Automattic/wp-calypso/blob/6d02ffe73cc073dea7270a22dc30881bff17d8fb/client/lib/simple-payments/constants.js
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*
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* Currencies should be supported by PayPal:
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* @link https://developer.paypal.com/docs/integration/direct/rest/currency-codes/
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*/
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public static function sanitize_currency( $currency ) {
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$valid_currencies = array(
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'USD',
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'EUR',
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'AUD',
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'BRL',
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'CAD',
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'CZK',
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'DKK',
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'HKD',
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'HUF',
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'ILS',
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'JPY',
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'MYR',
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'MXN',
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'TWD',
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'NZD',
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'NOK',
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'PHP',
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'PLN',
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'GBP',
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'RUB',
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'SGD',
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'SEK',
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'CHF',
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'THB',
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);
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return in_array( $currency, $valid_currencies ) ? $currency : false;
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}
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/**
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* Sanitize price:
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*
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* Positive integers and floats
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* Supports two decimal places.
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* Maximum length: 10.
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*
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* See `price` from PayPal docs:
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* @link https://developer.paypal.com/docs/api/orders/v1/#definition-item
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*
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* @param $value
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* @return null|string
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*/
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public static function sanitize_price( $price ) {
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return preg_match( '/^[0-9]{0,10}(\.[0-9]{0,2})?$/', $price ) ? $price : false;
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}
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/**
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* Sets up the custom post types for the module.
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*/
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function setup_cpts() {
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/*
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* ORDER data structure. holds:
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* title = customer_name | 4xproduct_name
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* excerpt = customer_name + customer contact info + customer notes from paypal form
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* metadata:
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* spay_paypal_id - paypal id of transaction
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* spay_status
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* spay_product_id - post_id of bought product
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* spay_quantity - quantity of product
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* spay_price - item price at the time of purchase
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* spay_customer_email - customer email
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* ... (WIP)
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*/
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$order_capabilities = array(
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'edit_post' => 'edit_posts',
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'read_post' => 'read_private_posts',
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||
'delete_post' => 'delete_posts',
|
||
'edit_posts' => 'edit_posts',
|
||
'edit_others_posts' => 'edit_others_posts',
|
||
'publish_posts' => 'publish_posts',
|
||
'read_private_posts' => 'read_private_posts',
|
||
);
|
||
$order_args = array(
|
||
'label' => esc_html_x( 'Order', 'noun: a quantity of goods or items purchased or sold', 'jetpack' ),
|
||
'description' => esc_html__( 'Simple Payments orders', 'jetpack' ),
|
||
'supports' => array( 'custom-fields', 'excerpt' ),
|
||
'hierarchical' => false,
|
||
'public' => false,
|
||
'show_ui' => false,
|
||
'show_in_menu' => false,
|
||
'show_in_admin_bar' => false,
|
||
'show_in_nav_menus' => false,
|
||
'can_export' => true,
|
||
'has_archive' => false,
|
||
'exclude_from_search' => true,
|
||
'publicly_queryable' => false,
|
||
'rewrite' => false,
|
||
'capabilities' => $order_capabilities,
|
||
'show_in_rest' => true,
|
||
);
|
||
register_post_type( self::$post_type_order, $order_args );
|
||
|
||
/*
|
||
* PRODUCT data structure. Holds:
|
||
* title - title
|
||
* content - description
|
||
* thumbnail - image
|
||
* metadata:
|
||
* spay_price - price
|
||
* spay_formatted_price
|
||
* spay_currency - currency code
|
||
* spay_cta - text with "Buy" or other CTA
|
||
* spay_email - paypal email
|
||
* spay_multiple - allow for multiple items
|
||
* spay_status - status. { enabled | disabled }
|
||
*/
|
||
$product_capabilities = array(
|
||
'edit_post' => 'edit_posts',
|
||
'read_post' => 'read_private_posts',
|
||
'delete_post' => 'delete_posts',
|
||
'edit_posts' => 'publish_posts',
|
||
'edit_others_posts' => 'edit_others_posts',
|
||
'publish_posts' => 'publish_posts',
|
||
'read_private_posts' => 'read_private_posts',
|
||
);
|
||
$product_args = array(
|
||
'label' => esc_html__( 'Product', 'jetpack' ),
|
||
'description' => esc_html__( 'Simple Payments products', 'jetpack' ),
|
||
'supports' => array( 'title', 'editor','thumbnail', 'custom-fields', 'author' ),
|
||
'hierarchical' => false,
|
||
'public' => false,
|
||
'show_ui' => false,
|
||
'show_in_menu' => false,
|
||
'show_in_admin_bar' => false,
|
||
'show_in_nav_menus' => false,
|
||
'can_export' => true,
|
||
'has_archive' => false,
|
||
'exclude_from_search' => true,
|
||
'publicly_queryable' => false,
|
||
'rewrite' => false,
|
||
'capabilities' => $product_capabilities,
|
||
'show_in_rest' => true,
|
||
);
|
||
register_post_type( self::$post_type_product, $product_args );
|
||
}
|
||
|
||
/**
|
||
* Format a price for display
|
||
*
|
||
* Largely taken from WordPress.com Store_Price class
|
||
*
|
||
* The currency array will have the shape:
|
||
* format => string sprintf format with placeholders `%1$s`: Symbol `%2$s`: Price.
|
||
* symbol => string Symbol string
|
||
* desc => string Text description of currency
|
||
* decimal => int Number of decimal places
|
||
*
|
||
* @param string $the_currency The desired currency, e.g. 'USD'.
|
||
* @return ?array Currency object or null if not found.
|
||
*/
|
||
private static function get_currency( $the_currency ) {
|
||
$currencies = array(
|
||
'USD' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => '$',
|
||
'decimal' => 2,
|
||
),
|
||
'GBP' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => '£',
|
||
'decimal' => 2,
|
||
),
|
||
'JPY' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => '¥',
|
||
'decimal' => 0,
|
||
),
|
||
'BRL' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'R$',
|
||
'decimal' => 2,
|
||
),
|
||
'EUR' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => '€',
|
||
'decimal' => 2,
|
||
),
|
||
'NZD' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'NZ$',
|
||
'decimal' => 2,
|
||
),
|
||
'AUD' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'A$',
|
||
'decimal' => 2,
|
||
),
|
||
'CAD' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'C$',
|
||
'decimal' => 2,
|
||
),
|
||
'ILS' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => '₪',
|
||
'decimal' => 2,
|
||
),
|
||
'RUB' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => '₽',
|
||
'decimal' => 2,
|
||
),
|
||
'MXN' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'MX$',
|
||
'decimal' => 2,
|
||
),
|
||
'MYR' => array(
|
||
'format' => '%2$s%1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'RM',
|
||
'decimal' => 2,
|
||
),
|
||
'SEK' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'Skr',
|
||
'decimal' => 2,
|
||
),
|
||
'HUF' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'Ft',
|
||
'decimal' => 0, // Decimals are supported by Stripe but not by PayPal.
|
||
),
|
||
'CHF' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'CHF',
|
||
'decimal' => 2,
|
||
),
|
||
'CZK' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'Kč',
|
||
'decimal' => 2,
|
||
),
|
||
'DKK' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'Dkr',
|
||
'decimal' => 2,
|
||
),
|
||
'HKD' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'HK$',
|
||
'decimal' => 2,
|
||
),
|
||
'NOK' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'Kr',
|
||
'decimal' => 2,
|
||
),
|
||
'PHP' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => '₱',
|
||
'decimal' => 2,
|
||
),
|
||
'PLN' => array(
|
||
'format' => '%2$s %1$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'PLN',
|
||
'decimal' => 2,
|
||
),
|
||
'SGD' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'S$',
|
||
'decimal' => 2,
|
||
),
|
||
'TWD' => array(
|
||
'format' => '%1$s%2$s', // 1: Symbol 2: currency value
|
||
'symbol' => 'NT$',
|
||
'decimal' => 0, // Decimals are supported by Stripe but not by PayPal.
|
||
),
|
||
'THB' => array(
|
||
'format' => '%2$s%1$s', // 1: Symbol 2: currency value
|
||
'symbol' => '฿',
|
||
'decimal' => 2,
|
||
),
|
||
);
|
||
|
||
if ( isset( $currencies[ $the_currency ] ) ) {
|
||
return $currencies[ $the_currency ];
|
||
}
|
||
return null;
|
||
}
|
||
}
|
||
Jetpack_Simple_Payments::getInstance();
|