Widgets */ add_action( 'widgets_init', 'jetpack_goodreads_widget_init' ); function jetpack_goodreads_widget_init() { register_widget( 'WPCOM_Widget_Goodreads' ); } /** * Goodreads widget class * Display a user's Goodreads shelf. * Customize user_id, title, and shelf * */ class WPCOM_Widget_Goodreads extends WP_Widget { private $goodreads_widget_id = 0; function __construct() { parent::__construct( 'wpcom-goodreads', /** This filter is documented in modules/widgets/facebook-likebox.php */ apply_filters( 'jetpack_widget_name', __( 'Goodreads', 'jetpack' ) ), array( 'classname' => 'widget_goodreads', 'description' => __( 'Display your books from Goodreads', 'jetpack' ), 'customize_selective_refresh' => true, ) ); // For user input sanitization and display $this->shelves = array( 'read' => _x( 'Read', 'past participle: books I have read', 'jetpack' ), 'currently-reading' => __( 'Currently Reading', 'jetpack' ), 'to-read' => _x( 'To Read', 'my list of books to read', 'jetpack' ) ); if ( is_active_widget( '', '', 'wpcom-goodreads' ) || is_customize_preview() ) { add_action( 'wp_print_styles', array( $this, 'enqueue_style' ) ); } } function enqueue_style() { if ( is_rtl() ) { wp_enqueue_style( 'goodreads-widget', plugins_url( 'goodreads/css/rtl/goodreads-rtl.css', __FILE__ ) ); } else { wp_enqueue_style( 'goodreads-widget', plugins_url( 'goodreads/css/goodreads.css', __FILE__ ) ); } } function widget( $args, $instance ) { /** This filter is documented in core/src/wp-includes/default-widgets.php */ $title = apply_filters( 'widget_title', isset( $instance['title'] ) ? $instance['title'] : '' ); if ( empty( $instance['user_id'] ) || 'invalid' === $instance['user_id'] ) { if ( current_user_can('edit_theme_options') ) { echo $args['before_widget']; echo '

' . sprintf( __( 'You need to enter your numeric user ID for the Goodreads Widget to work correctly. Full instructions.', 'jetpack' ), esc_url( admin_url( 'widgets.php' ) ), 'http://support.wordpress.com/widgets/goodreads-widget/#goodreads-user-id' ) . '

'; echo $args['after_widget']; } return; } if ( !array_key_exists( $instance['shelf'], $this->shelves ) ) return; $instance['user_id'] = absint( $instance['user_id'] ); // Set widget ID based on shelf. $this->goodreads_widget_id = $instance['user_id'] . '_' . $instance['shelf']; if ( empty( $title ) ) $title = esc_html__( 'Goodreads', 'jetpack' ); echo $args['before_widget']; echo $args['before_title'] . $title . $args['after_title']; $goodreads_url = 'https://www.goodreads.com/review/custom_widget/' . urlencode( $instance['user_id'] ) . '.' . urlencode( $instance['title'] ) . ':%20' . urlencode( $instance['shelf'] ) . '?cover_position=&cover_size=small&num_books=5&order=d&shelf=' . urlencode( $instance['shelf'] ) . '&sort=date_added&widget_bg_transparent=&widget_id=' . esc_attr( $this->goodreads_widget_id ) ; echo '
' . "\n"; echo '' . "\n"; echo $args['after_widget']; /** This action is already documented in modules/widgets/gravatar-profile.php */ do_action( 'jetpack_stats_extra', 'widget', 'goodreads' ); } function goodreads_user_id_exists( $user_id ) { $url = "http://www.goodreads.com/user/show/$user_id/"; $response = wp_remote_head( $url, array( 'httpversion'=>'1.1', 'timeout'=>3, 'redirection'=> 2 ) ); if ( wp_remote_retrieve_response_code( $response ) === 200 ) return true; else return false; } function update( $new_instance, $old_instance ) { $instance = $old_instance; $instance['user_id'] = trim( wp_kses( stripslashes( $new_instance['user_id'] ), array() ) ); if ( ! empty( $instance['user_id'] ) && ( ! isset( $old_instance['user_id'] ) || $instance['user_id'] !== $old_instance['user_id'] ) ) { if ( ! $this->goodreads_user_id_exists( $instance['user_id'] ) ) { $instance['user_id'] = 'invalid'; } } $instance['title'] = wp_kses( stripslashes( $new_instance['title'] ), array() ); $shelf = wp_kses( stripslashes( $new_instance['shelf'] ), array() ); if ( array_key_exists( $shelf, $this->shelves ) ) $instance['shelf'] = $shelf; return $instance; } function form( $instance ) { //Defaults $instance = wp_parse_args( (array) $instance, array( 'user_id' => '', 'title' => 'Goodreads', 'shelf' => 'read' ) ); echo '

'; } }