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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName // phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files. add_action( 'widgets_init', 'jetpack_goodreads_widget_init' ); /** * Register the widget for use in Appearance -> Widgets */ 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 { /** * Widget ID based on Goodreads user ID and shelf. * * @var int */ private $goodreads_widget_id = 0; /** * WPCOM_Widget_Goodreads constructor. */ public 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, 'show_instance_in_rest' => 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' ) ); } add_filter( 'widget_types_to_hide_from_legacy_widget_block', array( $this, 'hide_widget_in_block_editor' ) ); } /** * Remove the "Goodreads" widget from the Legacy Widget block * * @param array $widget_types List of widgets that are currently removed from the Legacy Widget block. * @return array $widget_types New list of widgets that will be removed. */ public function hide_widget_in_block_editor( $widget_types ) { $widget_types[] = 'wpcom-goodreads'; return $widget_types; } /** * Enqueue widget styles. */ public function enqueue_style() { wp_enqueue_style( 'goodreads-widget', plugins_url( 'goodreads/css/goodreads.css', __FILE__ ), array(), JETPACK__VERSION ); wp_style_add_data( 'goodreads-widget', 'rtl', 'replace' ); } /** * Display the widget. * * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The settings for the particular instance of the widget. */ public function widget( $args, $instance ) { /** This action is documented in modules/widgets/gravatar-profile.php */ do_action( 'jetpack_stats_extra', 'widget_view', 'goodreads' ); /** 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 $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped echo '<p>' . sprintf( wp_kses( /* translators: %1$s: link to the widget settings page. %2$s: support article URL for Goodreads widget. */ __( 'You need to enter your numeric user ID for the <a href="%1$s">Goodreads Widget</a> to work correctly. <a href="%2$s" target="_blank">Full instructions</a>.', 'jetpack' ), array( 'a' => array( 'href' => array(), 'target' => array(), ), ) ), esc_url( admin_url( 'widgets.php' ) ), 'https://wordpress.com/support/widgets/goodreads-widget/#set-up-the-widget' ) . '</p>'; echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } 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']; $this->goodreads_widget_id = str_replace( '-', '_', $this->goodreads_widget_id ); // Goodreads' custom widget does not like dashes. if ( empty( $title ) ) { $title = esc_html__( 'Goodreads', 'jetpack' ); } echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped echo $args['before_title'] . $title . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped $goodreads_url = 'https://www.goodreads.com/review/custom_widget/' . rawurlencode( $instance['user_id'] ) . '.' . rawurlencode( $instance['title'] ) . ':%20' . rawurlencode( $instance['shelf'] ) . '?cover_position=&cover_size=small&num_books=5&order=d&shelf=' . rawurlencode( $instance['shelf'] ) . '&sort=date_added&widget_bg_transparent=&widget_id=' . rawurlencode( $this->goodreads_widget_id ); echo '<div class="jetpack-goodreads-legacy-widget gr_custom_widget" id="gr_custom_widget_' . esc_attr( $this->goodreads_widget_id ) . '"></div>' . "\n"; echo '<script src="' . esc_url( $goodreads_url ) . '"></script>' . "\n"; // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedScript echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } /** * Check if given Goodreads user ID exists. * * @param string $user_id User ID. */ public function goodreads_user_id_exists( $user_id ) { $url = "https://www.goodreads.com/user/show/$user_id/"; $response = wp_remote_head( $url, array( 'httpversion' => '1.1', 'timeout' => 10, 'redirection' => 2, ) ); if ( 200 === wp_remote_retrieve_response_code( $response ) ) { return true; } else { return false; } } /** * Update widget. * * @see WP_Widget::update() * * @param array $new_instance New widget instance data. * @param array $old_instance Old widget instance data. */ public 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; } /** * Outputs the widget settings form. * * @param array $instance Current settings. */ public function form( $instance ) { // Defaults. $instance = wp_parse_args( (array) $instance, array( 'user_id' => '', 'title' => 'Goodreads', 'shelf' => 'read', ) ); echo '<p><label for="' . esc_attr( $this->get_field_id( 'title' ) ) . '">' . esc_html__( 'Title:', 'jetpack' ) . ' <input class="widefat" id="' . esc_attr( $this->get_field_id( 'title' ) ) . '" name="' . esc_attr( $this->get_field_name( 'title' ) ) . '" type="text" value="' . esc_attr( $instance['title'] ) . '" /> </label></p> <p><label for="' . esc_attr( $this->get_field_id( 'user_id' ) ) . '">'; printf( wp_kses( /* translators: %s: support article URL for Goodreads widget. */ __( 'Goodreads numeric user ID <a href="%s" target="_blank">(instructions)</a>:', 'jetpack' ), array( 'a' => array( 'href' => array(), 'target' => array(), ), ) ), 'https://wordpress.com/support/widgets/goodreads-widget/#set-up-the-widget' ); if ( 'invalid' === $instance['user_id'] ) { printf( '<br /><small class="error">%s</small> ', esc_html( __( 'Invalid User ID, please verify and re-enter your Goodreads numeric user ID.', 'jetpack' ) ) ); $instance['user_id'] = ''; } echo '<input class="widefat" id="' . esc_attr( $this->get_field_id( 'user_id' ) ) . '" name="' . esc_attr( $this->get_field_name( 'user_id' ) ) . '" type="text" value="' . esc_attr( $instance['user_id'] ) . '" /> </label></p> <p><label for="' . esc_attr( $this->get_field_id( 'shelf' ) ) . '">' . esc_html__( 'Shelf:', 'jetpack' ) . ' <select class="widefat" id="' . esc_attr( $this->get_field_id( 'shelf' ) ) . '" name="' . esc_attr( $this->get_field_name( 'shelf' ) ) . '" >'; foreach ( $this->shelves as $_shelf_value => $_shelf_display ) { echo "\t<option value='" . esc_attr( $_shelf_value ) . "'" . selected( $_shelf_value, $instance['shelf'], false ) . '>' . $_shelf_display . "</option>\n"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } echo '</select> </label></p> '; } }
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