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<?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_hook(); |
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} |
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return self::$instance; |
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} |
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private function register_scripts() { |
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/** |
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* Paypal heavily discourages putting that script in your own server: |
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* @see https://developer.paypal.com/docs/integration/direct/express-checkout/integration-jsv4/add-paypal-button/ |
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*/ |
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wp_register_script( 'paypal-checkout-js', 'https://www.paypalobjects.com/api/checkout.js', array(), null, true ); |
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wp_register_script( 'paypal-express-checkout', plugins_url( '/paypal-express-checkout.js', __FILE__ ), |
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array( 'jquery', 'paypal-checkout-js' ), self::$version ); |
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} |
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private function register_init_hook() { |
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add_action( 'init', array( $this, 'init_hook_action' ) ); |
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} |
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private function register_shortcode() { |
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add_shortcode( self::$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( $this, 'allow_sync_post_meta' ) ); |
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$this->register_scripts(); |
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$this->register_shortcode(); |
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$this->register_gutenberg_block(); |
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$this->setup_cpts(); |
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$this->setup_meta_fields_for_rest(); |
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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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private function register_gutenberg_block() { |
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add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_block_editor_assets' ) ); |
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add_action( 'enqueue_block_assets', array( $this, 'enqueue_block_assets' ) ); |
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if ( ! is_admin() ) { |
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register_block_type( 'jetpack/simple-payments-button', array( |
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'render_callback' => array( $this, 'render_gutenberg_block' ), |
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) ); |
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} |
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} |
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public function enqueue_block_editor_assets() { |
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wp_enqueue_script( |
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'gutenberg-simple-payments-button', |
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plugins_url( 'simple-payments-block.js', __FILE__ ), |
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array( 'wp-blocks', 'wp-element' ) |
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); |
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} |
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public function enqueue_block_assets() { |
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if ( is_admin() ) { |
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// Load the styles just in admin area and rely on custom PayPal |
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// styles on front end |
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wp_enqueue_style( |
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'gutenberg-simple-payments-button-styles', |
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plugins_url( 'simple-payments-block.css', __FILE__ ), |
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array(), |
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JETPACK__VERSION |
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); |
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// Reuse some front end styles in editor |
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wp_enqueue_style( |
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'simple-payments', |
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plugins_url( 'simple-payments.css', __FILE__ ), |
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array( 'dashicons' ) |
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); |
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} |
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} |
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/** |
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* This function is mostly similar on existing output_shortcode(), |
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* with some elements like product title and description removed, |
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* since we don't want to include these as part of the block. |
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* |
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* @param array $attributes Array of Gutenberg block attributes |
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* |
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* @return string HTML to be rendered on front end |
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*/ |
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public function render_gutenberg_block( $attributes ) { |
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$attribute_defaults = array( |
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'price' => 1, |
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'currency' => 'US', |
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'showIcons' => true, |
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'multiple' => false, |
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); |
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// Gutenberg won't persist attribute default values so we |
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// have to provide defaults here again. |
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$attributes = array_merge( $attribute_defaults, $attributes ); |
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$data = array(); |
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$data['id'] = $attributes['id']; |
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$data['multiple'] = $attributes['multiple']; |
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$data['dom_id'] = uniqid( self::$css_classname_prefix . '-' . $data['id'] . '_', true ); |
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$data['class'] = self::$css_classname_prefix . '-' . $data['id']; |
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$data['price'] = $attributes['price']; |
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$data['blog_id'] = $this->get_blog_id(); |
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$data['currency'] = $attributes['currency']; |
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$currency_symbols = array( |
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'US' => '$', |
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'EU' => '€', |
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'CA' => '$', |
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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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View Code Duplication |
if ( ! wp_style_is( 'simple-payments', 'enqueued' ) ) { |
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wp_enqueue_style( 'simple-payments', plugins_url( 'simple-payments.css', __FILE__ ), array( 'dashicons' ) ); |
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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( $data['id'] ), |
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esc_js( $data['dom_id'] ), |
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esc_js( $data['multiple'] ) |
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) ); |
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$css_prefix = self::$css_classname_prefix; |
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$display_price = $currency_symbols[ $data['currency'] ] . $data['price']; |
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if ( $data['multiple'] ) { |
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$items = " |
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<div class='${css_prefix}-items'> |
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<input class='${css_prefix}-items-number' type='number' value='1' min='1' id='{$data['dom_id']}_number' /> |
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</div> |
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"; |
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} |
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return " |
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<div class='{$data['class']} ${css_prefix}-wrapper'> |
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<div class='${css_prefix}-product'> |
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<div class='${css_prefix}-details'> |
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<div class='${css_prefix}-price'><p>{$display_price}</p></div> |
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<div class='${css_prefix}-purchase-message' id='{$data['dom_id']}-message-container'></div> |
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<div class='${css_prefix}-purchase-box'> |
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{$items} |
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<div class='${css_prefix}-button' id='{$data['dom_id']}_button'></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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} |
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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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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 || 'trash' === $product->post_status ) { |
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return; |
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} |
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// We allow for overriding the presentation labels |
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$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_formatted_price', true ), |
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get_post_meta( $product->ID, 'spay_price', true ), |
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get_post_meta( $product->ID, 'spay_currency', true ), |
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$data |
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); |
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$data['id'] = $attrs['id']; |
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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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View Code Duplication |
if ( ! wp_style_is( 'simple-payments', 'enqueued' ) ) { |
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wp_enqueue_style( 'simple-payments', plugins_url( 'simple-payments.css', __FILE__ ), array( 'dashicons' ) ); |
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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_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="<div class='${css_prefix}-items'> |
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<input class='${css_prefix}-items-number' type='number' value='1' min='1' id='{$data['dom_id']}_number' /> |
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</div>"; |
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} |
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$image = ""; |
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if( has_post_thumbnail( $data['id'] ) ) { |
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$image = "<div class='${css_prefix}-product-image'><div class='${css_prefix}-image'>" . get_the_post_thumbnail( $data['id'], 'full' ) . "</div></div>"; |
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} |
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return " |
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<div class='{$data['class']} ${css_prefix}-wrapper'> |
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<div class='${css_prefix}-product'> |
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{$image} |
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<div class='${css_prefix}-details'> |
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<div class='${css_prefix}-title'><p>{$data['title']}</p></div> |
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<div class='${css_prefix}-description'><p>{$data['description']}</p></div> |
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<div class='${css_prefix}-price'><p>{$data['price']}</p></div> |
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<div class='${css_prefix}-purchase-message' id='{$data['dom_id']}-message-container'></div> |
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<div class='${css_prefix}-purchase-box'> |
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{$items} |
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<div class='${css_prefix}-button' id='{$data['dom_id']}_button'></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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} |
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function format_price( $formatted_price, $price, $currency, $all_data ) { |
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if ( $formatted_price ) { |
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return $formatted_price; |
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} |
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return "$price $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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* 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', |
332
|
|
|
'delete_post' => 'delete_posts', |
333
|
|
|
'edit_posts' => 'edit_posts', |
334
|
|
|
'edit_others_posts' => 'edit_others_posts', |
335
|
|
|
'publish_posts' => 'publish_posts', |
336
|
|
|
'read_private_posts' => 'read_private_posts', |
337
|
|
|
); |
338
|
|
|
$order_args = array( |
339
|
|
|
'label' => esc_html__( 'Order', 'jetpack' ), |
340
|
|
|
'description' => esc_html__( 'Simple Payments orders', 'jetpack' ), |
341
|
|
|
'supports' => array( 'custom-fields', 'excerpt' ), |
342
|
|
|
'hierarchical' => false, |
343
|
|
|
'public' => false, |
344
|
|
|
'show_ui' => false, |
345
|
|
|
'show_in_menu' => false, |
346
|
|
|
'show_in_admin_bar' => false, |
347
|
|
|
'show_in_nav_menus' => false, |
348
|
|
|
'can_export' => true, |
349
|
|
|
'has_archive' => false, |
350
|
|
|
'exclude_from_search' => true, |
351
|
|
|
'publicly_queryable' => false, |
352
|
|
|
'rewrite' => false, |
353
|
|
|
'capabilities' => $order_capabilities, |
354
|
|
|
'show_in_rest' => true, |
355
|
|
|
); |
356
|
|
|
register_post_type( self::$post_type_order, $order_args ); |
357
|
|
|
|
358
|
|
|
/* |
359
|
|
|
* PRODUCT data structure. Holds: |
360
|
|
|
* title - title |
361
|
|
|
* content - description |
362
|
|
|
* thumbnail - image |
363
|
|
|
* metadata: |
364
|
|
|
* spay_price - price |
365
|
|
|
* spay_formatted_price |
366
|
|
|
* spay_currency - currency code |
367
|
|
|
* spay_cta - text with "Buy" or other CTA |
368
|
|
|
* spay_email - paypal email |
369
|
|
|
* spay_multiple - allow for multiple items |
370
|
|
|
* spay_status - status. { enabled | disabled } |
371
|
|
|
*/ |
372
|
|
|
$product_capabilities = array( |
373
|
|
|
'edit_post' => 'edit_posts', |
374
|
|
|
'read_post' => 'read_private_posts', |
375
|
|
|
'delete_post' => 'delete_posts', |
376
|
|
|
'edit_posts' => 'edit_posts', |
377
|
|
|
'edit_others_posts' => 'edit_others_posts', |
378
|
|
|
'publish_posts' => 'publish_posts', |
379
|
|
|
'read_private_posts' => 'read_private_posts', |
380
|
|
|
); |
381
|
|
|
$product_args = array( |
382
|
|
|
'label' => esc_html__( 'Product', 'jetpack' ), |
383
|
|
|
'description' => esc_html__( 'Simple Payments products', 'jetpack' ), |
384
|
|
|
'supports' => array( 'title', 'editor','thumbnail', 'custom-fields' ), |
385
|
|
|
'hierarchical' => false, |
386
|
|
|
'public' => false, |
387
|
|
|
'show_ui' => false, |
388
|
|
|
'show_in_menu' => false, |
389
|
|
|
'show_in_admin_bar' => false, |
390
|
|
|
'show_in_nav_menus' => false, |
391
|
|
|
'can_export' => true, |
392
|
|
|
'has_archive' => false, |
393
|
|
|
'exclude_from_search' => true, |
394
|
|
|
'publicly_queryable' => false, |
395
|
|
|
'rewrite' => false, |
396
|
|
|
'capabilities' => $product_capabilities, |
397
|
|
|
'show_in_rest' => true, |
398
|
|
|
); |
399
|
|
|
register_post_type( self::$post_type_product, $product_args ); |
400
|
|
|
} |
401
|
|
|
|
402
|
|
|
public function update_post_meta_for_api( $meta_arr, $object ) { |
403
|
|
|
//get the id of the post object array |
404
|
|
|
$post_id = $object->ID; |
405
|
|
|
|
406
|
|
|
foreach( $meta_arr as $meta_key => $meta_val ) { |
407
|
|
|
update_post_meta( $post_id, $meta_key, $meta_val ); |
408
|
|
|
} |
409
|
|
|
|
410
|
|
|
return true; |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
function setup_meta_fields_for_rest() { |
414
|
|
|
$args = array( |
415
|
|
|
'update_callback' => array( $this, 'update_post_meta_for_api'), |
416
|
|
|
); |
417
|
|
|
|
418
|
|
|
register_rest_field( self::$post_type_product, 'meta', $args ); |
419
|
|
|
} |
420
|
|
|
|
421
|
|
|
} |
422
|
|
|
Jetpack_Simple_Payments::getInstance(); |
423
|
|
|
|
The PSR-2 coding standard requires that all properties in a class have their visibility explicitly declared. If you declare a property using
the property is implicitly global.
To learn more about the PSR-2, please see the PHP-FIG site on the PSR-2.