diff options
Diffstat (limited to 'plugins/jetpack/modules/widgets/goodreads.php')
| -rw-r--r-- | plugins/jetpack/modules/widgets/goodreads.php | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/widgets/goodreads.php b/plugins/jetpack/modules/widgets/goodreads.php new file mode 100644 index 00000000..4160c868 --- /dev/null +++ b/plugins/jetpack/modules/widgets/goodreads.php @@ -0,0 +1,157 @@ +<?php +/** + * Register the widget for use in Appearance -> 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() { + wp_enqueue_style( 'goodreads-widget', plugins_url( 'goodreads/css/goodreads.css', __FILE__ ) ); + wp_style_add_data( 'goodreads-widget', 'rtl', 'replace' ); + } + + 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 $args['before_widget']; + echo '<p>' . sprintf( + __( 'You need to enter your numeric user ID for the <a href="%1$s">Goodreads Widget</a> to work correctly. <a href="%2$s" target="_blank">Full instructions</a>.', 'jetpack' ), + esc_url( admin_url( 'widgets.php' ) ), + 'https://support.wordpress.com/widgets/goodreads-widget/#goodreads-user-id' + ) . '</p>'; + 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 '<div class="gr_custom_widget" id="gr_custom_widget_' . esc_attr( $this->goodreads_widget_id ) . '"></div>' . "\n"; + echo '<script src="' . esc_url( $goodreads_url ) . '"></script>' . "\n"; + + echo $args['after_widget']; + } + + 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' => 3, + 'redirection' => 2, + ) + ); + if ( 200 === wp_remote_retrieve_response_code( $response ) ) { + 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 '<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( __( 'Goodreads numeric user ID <a href="%s" target="_blank">(instructions)</a>:', 'jetpack' ), 'https://en.support.wordpress.com/widgets/goodreads-widget/#goodreads-user-id' ); + if ( 'invalid' === $instance['user_id'] ) { + printf( '<br /><small class="error">%s</small> ', __( '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'] ) . '>' . $_shelf_display . "</option>\n"; + } + echo '</select> + </label></p> + '; + } +} |