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Simple Payment Widget: Manage Products from the Customizer (#9699)
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@rodrigoi
rodrigoi authored and Rodrigo Iloro committed Jun 26, 2018
1 parent 9cd7e9b commit a7564ef
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Showing 5 changed files with 787 additions and 32 deletions.
319 changes: 289 additions & 30 deletions modules/widgets/simple-payments.php
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,34 @@
* Display a Simple Payment Button as a Widget.
*/
class Jetpack_Simple_Payments_Widget extends WP_Widget {
// https://developer.paypal.com/docs/integration/direct/rest/currency-codes/
private static $supported_currency_list = array(
'USD' => '$',
'GBP' => '£',
'JPY' => '¥',
'BRL' => 'R$',
'EUR' => '€',
'NZD' => 'NZ$',
'AUD' => 'A$',
'CAD' => 'C$',
'INR' => '₹',
'ILS' => '₪',
'RUB' => '₽',
'MXN' => 'MX$',
'SEK' => 'Skr',
'HUF' => 'Ft',
'CHF' => 'CHF',
'CZK' => 'Kč',
'DKK' => 'Dkr',
'HKD' => 'HK$',
'NOK' => 'Kr',
'PHP' => '₱',
'PLN' => 'PLN',
'SGD' => 'S$',
'TWD' => 'NT$',
'THB' => '฿',
);

/**
* Constructor.
*/
Expand All @@ -28,58 +56,193 @@ function __construct() {
)
);

if ( is_customize_preview() ) {
add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_styles_and_scripts' ) );

add_filter( 'customize_refresh_nonces', array( $this, 'filter_nonces' ) );
add_action( 'wp_ajax_customize-jetpack-simple-payments-button-save', array( $this, 'ajax_save_payment_button' ) );
add_action( 'wp_ajax_customize-jetpack-simple-payments-button-delete', array( $this, 'ajax_delete_payment_button' ) );
}

if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );
}
}

function enqueue_style() {
wp_enqueue_style( 'jetpack-simple-payments-widget-style', plugins_url( 'simple-payments/style.css', __FILE__ ), array(), '20180518' );
}

/**
* Return an associative array of default values.
*
* These values are used in new widgets.
*
* @return array Default values for the widget options.
*/
public function defaults() {
private function defaults() {
$current_user = wp_get_current_user();

return array(
'title' => '',
'product_post_id' => 0,
'form_action' => '',
'form_product_id' => 0,
'form_product_title' => '',
'form_product_description' => '',
'form_product_image_id' => 0,
'form_product_image_src' => '',
'form_product_currency' => '',
'form_product_price' => '',
'form_product_multiple' => '',
'form_product_email' => $current_user->user_email,
);
}

/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
* Adds a nonce for customizing menus.
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
* @param array $nonces Array of nonces.
* @return array $nonces Modified array of nonces.
*/
function widget( $args, $instance ) {
if( ! empty( $instance['product_post_id'] ) ) {
$attrs = array( 'id' => $instance['product_post_id'] );
function filter_nonces( $nonces ) {
$nonces['customize-jetpack-simple-payments'] = wp_create_nonce( 'customize-jetpack-simple-payments' );
return $nonces;
}

function enqueue_style() {
wp_enqueue_style( 'jetpack-simple-payments-widget-style', plugins_url( 'simple-payments/style.css', __FILE__ ), array(), '20180518' );
}

function admin_enqueue_styles_and_scripts(){
wp_enqueue_style( 'jetpack-simple-payments-widget-customizer', plugins_url( 'simple-payments/customizer.css', __FILE__ ) );

wp_enqueue_media();
wp_enqueue_script( 'jetpack-simple-payments-widget-customizer', plugins_url( '/simple-payments/customizer.js', __FILE__ ), array( 'jquery' ), false, true );
wp_localize_script( 'jetpack-simple-payments-widget-customizer', 'jpSimplePaymentsStrings', array(
'deleteConfirmation' => __( 'Are you sure you want to delete this item? It will be disabled and removed from all locations where it currently appears.', 'jetpack' )
) );
}

public function ajax_save_payment_button() {
if ( ! check_ajax_referer( 'customize-jetpack-simple-payments', 'customize-jetpack-simple-payments-nonce', false ) ) {
wp_send_json_error( 'bad_nonce', 400 );
}

if ( ! current_user_can( 'customize' ) ) {
wp_send_json_error( 'customize_not_allowed', 403 );
}

$post_type_object = get_post_type_object( Jetpack_Simple_Payments::$post_type_product );
if ( ! current_user_can( $post_type_object->cap->create_posts ) || ! current_user_can( $post_type_object->cap->publish_posts ) ) {
wp_send_json_error( 'insufficient_post_permissions', 403 );
}

if ( empty( $_POST['params'] ) || ! is_array( $_POST['params'] ) ) {
wp_send_json_error( 'missing_params', 400 );
}

$params = wp_unslash( $_POST['params'] );
$errors = $this->validate_ajax_params( $params );
if ( ! empty( $errors->errors ) ) {
wp_send_json_error( $errors );
}

$product_post_id = isset( $params['product_post_id'] ) ? intval( $params['product_post_id'] ) : 0;

$product_post = array(
'ID' => $product_post_id,
'post_type' => Jetpack_Simple_Payments::$post_type_product,
'post_status' => 'publish',
'post_title' => $params['post_title'],
'post_content' => $params['post_content'],
'_thumbnail_id' => ! empty( $params['image_id'] ) ? $params['image_id'] : -1,
'meta_input' => array(
'spay_currency' => $params['currency'],
'spay_price' => $params['price'],
'spay_multiple' => isset( $params['multiple'] ) ? intval( $params['multiple'] ) : 0,
'spay_email' => is_email( $params['email'] ),
),
);

if ( empty( $product_post_id ) ) {
$product_post_id = wp_insert_post( $product_post );
} else {
$product_posts = get_posts( array(
'numberposts' => 1,
'orderby' => 'date',
'post_type' => Jetpack_Simple_Payments::$post_type_product
) );
$product_post_id = wp_update_post( $product_post );
}

if ( ! $product_post_id || is_wp_error( $product_post_id ) ) {
wp_send_json_error( $product_post_id );
}

wp_send_json_success( [
'product_post_id' => $product_post_id,
'product_post_title' => $params['post_title'],
] );
}

public function ajax_delete_payment_button() {
if ( ! check_ajax_referer( 'customize-jetpack-simple-payments', 'customize-jetpack-simple-payments-nonce', false ) ) {
wp_send_json_error( 'bad_nonce', 400 );
}

if ( ! current_user_can( 'customize' ) ) {
wp_send_json_error( 'customize_not_allowed', 403 );
}

if ( empty( $_POST['params'] ) || ! is_array( $_POST['params'] ) ) {
wp_send_json_error( 'missing_params', 400 );
}

$attrs = array( 'id' => $product_posts[0]->ID );
$params = wp_unslash( $_POST['params'] );
$illegal_params = array_diff( array_keys( $params ), array( 'product_post_id' ) );
if ( ! empty( $illegal_params ) ) {
wp_send_json_error( 'illegal_params', 400 );
}

$jsp = Jetpack_Simple_Payments::getInstance();
$product_id = ( int ) $params['product_post_id'];
$product_post = get_post( $product_id );

$simple_payments_button = $jsp->parse_shortcode( $attrs );
$return = array( 'status' => $product_post->post_status );

if ( is_null( $simple_payments_button ) && ! is_customize_preview() ) {
return;
wp_delete_post( $product_id, true );
$status = get_post_status( $product_id );
if ( false === $status ) {
$return['status'] = 'deleted';
}

wp_send_json_success( $return );
}

public function validate_ajax_params( $params ) {
$errors = new WP_Error();

$illegal_params = array_diff( array_keys( $params ), array( 'product_post_id', 'post_title', 'post_content', 'image_id', 'currency', 'price', 'multiple', 'email' ) );
if ( ! empty( $illegal_params ) ) {
$errors.add( 'illegal_params' );
}

if ( empty( $params['post_title'] ) ) {
$errors->add( 'post_title', __( 'People need to know what they\'re paying for! Please add a brief title.' ) );
}

if ( empty( $params['price'] ) || intval( $params['price'] ) < 0 ) {
$errors->add( 'price', __( 'Everything comes with a price tag these days. Please add a your product price.' ) );
}

if ( empty( $params['email'] ) || ! is_email( $params['email'] ) ) {
$errors->add( 'email', __( 'We want to make sure payments reach you, so please add an email address.' ) );
}

return $errors;
}
/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
function widget( $args, $instance ) {
$instance = wp_parse_args( $instance, $this->defaults() );

echo $args['before_widget'];

/** This filter is documented in core/src/wp-includes/default-widgets.php */
Expand All @@ -90,7 +253,30 @@ function widget( $args, $instance ) {

echo '<div class="jetpack-simple-payments-content">';

echo $simple_payments_button;
if ( ! empty( $instance['form_action'] ) && in_array( $instance['form_action'], array( 'add', 'edit' ) ) && is_customize_preview() ) {
require( dirname( __FILE__ ) . '/simple-payments/widget.php' );
} else {
if ( ! empty( $instance['product_post_id'] ) ) {
$attrs = array( 'id' => $instance['product_post_id'] );
} else {
$product_posts = get_posts( array(
'numberposts' => 1,
'orderby' => 'date',
'post_type' => Jetpack_Simple_Payments::$post_type_product,
'post_status' => 'publish',
) );

$attrs = array( 'id' => $product_posts[0]->ID );
}

$jsp = Jetpack_Simple_Payments::getInstance();
$simple_payments_button = $jsp->parse_shortcode( $attrs );
if ( is_null( $simple_payments_button ) && ! is_customize_preview() ) {
return;
}

echo $simple_payments_button;
}

echo '</div><!--simple-payments-->';

Expand All @@ -100,6 +286,48 @@ function widget( $args, $instance ) {
do_action( 'jetpack_stats_extra', 'widget_view', 'simple_payments' );
}

/**
* Gets the latests field value from either the old instance or the new instance.
*
* @param array $mixed Array of values for the new form instance.
* @param array $mixed Array of values for the old form instance.
* @return mixed $mixed Field value.
*/
private function get_latest_field_value( $new_instance, $old_instance, $field) {
return ! empty( $new_instance[ $field ] )
? sanitize_text_field( $new_instance[ $field ] )
: $old_instance[ $field ];
}

/**
* Gets the product fields from the product post. If no post found
* it returns the default values.
*
* @param int Product Post ID.
* @return array $fields Product Fields from the Product Post.
*/
private function get_product_from_post( $product_post_id ) {
$product_post = get_post( $product_post_id );
$form_product_id = $product_post_id;
if( ! empty( $product_post ) ) {
$form_product_image_id = get_post_thumbnail_id( $product_post_id );

return array(
'form_product_id' => $form_product_id,
'form_product_title' => get_the_title( $product_post ),
'form_product_description' => $product_post->post_content,
'form_product_image_id' => $form_product_image_id,
'form_product_image_src' => wp_get_attachment_image_url( $form_product_image_id, 'thumbnail' ),
'form_product_currency' => get_post_meta( $product_post_id, 'spay_currency', true ),
'form_product_price' => get_post_meta( $product_post_id, 'spay_price', true ),
'form_product_multiple' => get_post_meta( $product_post_id, 'spay_multiple', true ) || '0',
'form_product_email' => get_post_meta( $product_post_id, 'spay_email', true ),
);
}

return $this->defaults();
}

/**
* Sanitize widget form values as they are saved.
*
Expand All @@ -111,10 +339,42 @@ function widget( $args, $instance ) {
* @return array Updated safe values to be saved.
*/
function update( $new_instance, $old_instance ) {
return array(
'title' => ! empty( $new_instance['title'] ) ? sanitize_text_field( $new_instance['title'] ) : '',
'product_post_id' => (int) $new_instance['product_post_id'],
$new_instance = wp_parse_args( $new_instance, $this->defaults() );
$old_instance = wp_parse_args( $old_instance, $this->defaults() );

$required_widget_props = array(
'title' => $this->get_latest_field_value( $new_instance, $old_instance, 'title' ),
'product_post_id' => $this->get_latest_field_value( $new_instance, $old_instance, 'product_post_id' ),
'form_action' => $this->get_latest_field_value( $new_instance, $old_instance, 'form_action' ),
);

if ( strcmp( $new_instance['form_action'], $old_instance['form_action'] ) !== 0 ) {
if ( $new_instance['form_action'] == 'edit' ) {
return array_merge( $this->get_product_from_post( ( int ) $old_instance['product_post_id'] ), $required_widget_props );
}

if ( $new_instance['form_action'] == 'clear' ) {
return array_merge( $this->defaults(), $required_widget_props );
}
}

$form_product_image_id = (int) $new_instance['form_product_image_id'];

$form_product_email = ! empty( $new_instance['form_product_email'] )
? sanitize_text_field( $new_instance['form_product_email'] )
: $this->defaults()['form_product_email'];

return array_merge( $required_widget_props, array(
'form_product_id' => ( int ) $new_instance['form_product_id'],
'form_product_title' => sanitize_text_field( $new_instance['form_product_title'] ),
'form_product_description' => sanitize_text_field( $new_instance['form_product_description'] ),
'form_product_image_id' => $form_product_image_id,
'form_product_image_src' => wp_get_attachment_image_url( $form_product_image_id, 'thumbnail' ),
'form_product_currency' => sanitize_text_field( $new_instance['form_product_currency'] ),
'form_product_price' => sanitize_text_field( $new_instance['form_product_price'] ),
'form_product_multiple' => sanitize_text_field( $new_instance['form_product_multiple'] ),
'form_product_email' => $form_product_email,
) );
}

/**
Expand All @@ -130,7 +390,8 @@ function form( $instance ) {
$product_posts = get_posts( array(
'numberposts' => 100,
'orderby' => 'date',
'post_type' => Jetpack_Simple_Payments::$post_type_product
'post_type' => Jetpack_Simple_Payments::$post_type_product,
'post_status' => 'publish',
) );

require( dirname( __FILE__ ) . '/simple-payments/form.php' );
Expand All @@ -139,8 +400,6 @@ function form( $instance ) {

// Register Jetpack_Simple_Payments_Widget widget.
function register_widget_jetpack_simple_payments() {
// || ! Jetpack::active_plan_supports( 'simple-payment' )
// || ! shortcode_exists( Jetpack_Simple_Payments::$shortcode )
if ( ! Jetpack::is_active() ) {
return;
}
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