235 lines
7.6 KiB
PHP
235 lines
7.6 KiB
PHP
<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
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// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files.
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/**
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* Disable direct access/execution to/of the widget code.
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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if ( ! class_exists( 'Jetpack_Flickr_Widget' ) ) {
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/**
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* Flickr Widget
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*
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* Display your recent Flickr photos.
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*/
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class Jetpack_Flickr_Widget extends WP_Widget {
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/**
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* Constructor.
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*/
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public function __construct() {
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parent::__construct(
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'flickr',
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/** This filter is documented in modules/widgets/facebook-likebox.php */
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apply_filters( 'jetpack_widget_name', esc_html__( 'Flickr', 'jetpack' ) ),
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array(
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'description' => esc_html__( 'Display your recent Flickr photos.', 'jetpack' ),
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'customize_selective_refresh' => true,
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),
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array()
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);
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if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );
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}
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}
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/**
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* Enqueue style.
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*/
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public function enqueue_style() {
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wp_enqueue_style( 'flickr-widget-style', plugins_url( 'flickr/style.css', __FILE__ ), array(), '20170405' );
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}
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/**
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* Return an associative array of default values.
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*
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* These values are used in new widgets.
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*
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* @return array Default values for the widget options.
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*/
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public function defaults() {
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return array(
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'title' => esc_html__( 'Flickr Photos', 'jetpack' ),
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'items' => 4,
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'target' => false,
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'flickr_image_size' => 'thumbnail',
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'flickr_rss_url' => '',
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);
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}
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/**
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* Front-end display of the widget.
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*
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* @html-template-var array $instance
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* @html-template-var string|null $flickr_home
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* @html-template-var string $photos';
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*
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* @param array $args Widget arguments.
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* @param array $instance Saved values from database.
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*/
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public function widget( $args, $instance ) {
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$instance = wp_parse_args( $instance, $this->defaults() );
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if ( ! empty( $instance['flickr_rss_url'] ) ) {
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/*
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* Parse the URL, and rebuild a URL that's sure to display images.
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* Some Flickr Feeds do not display images by default.
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*/
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$flickr_parameters = wp_parse_url( htmlspecialchars_decode( $instance['flickr_rss_url'], ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ) );
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// Is it a Flickr Feed.
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if (
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! empty( $flickr_parameters['host'] )
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&& ! empty( $flickr_parameters['query'] )
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&& str_contains( $flickr_parameters['host'], 'flickr' )
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) {
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parse_str( $flickr_parameters['query'], $vars );
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// Do we have an ID in the feed? Let's continue.
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if ( isset( $vars['id'] ) ) {
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// Flickr Feeds can be used for groups or for individuals.
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if (
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! empty( $flickr_parameters['path'] )
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&& str_contains( $flickr_parameters['path'], 'groups' )
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) {
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$feed_url = 'https://api.flickr.com/services/feeds/groups_pool.gne';
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} else {
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$feed_url = 'https://api.flickr.com/services/feeds/photos_public.gne';
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}
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// Build our new RSS feed.
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$rss_url = sprintf(
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'%1$s?id=%2$s&format=rss_200_enc',
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esc_url( $feed_url ),
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esc_attr( $vars['id'] )
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);
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}
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}
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}
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// Still no RSS feed URL? Get a default feed from Flickr to grab interesting photos.
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if ( empty( $rss_url ) ) {
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$rss_url = 'https://api.flickr.com/services/feeds/photos_interesting.gne?format=rss_200';
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}
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$rss = fetch_feed( $rss_url );
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$photos = '';
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$flickr_home = null; // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- Used in flickr/widget.php template file.
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if ( ! is_wp_error( $rss ) ) {
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foreach ( $rss->get_items( 0, $instance['items'] ) as $photo ) {
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switch ( $instance['flickr_image_size'] ) {
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case 'thumbnail':
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$src = $photo->get_enclosure()->get_thumbnail();
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break;
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case 'small':
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$src = preg_match( '/src="(.*?)"/i', $photo->get_description(), $p );
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$src = $p[1];
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break;
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case 'large':
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$src = $photo->get_enclosure()->get_link();
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break;
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}
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$photos .= '<a href="' . esc_url( $photo->get_permalink(), array( 'http', 'https' ) ) . '" ';
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if ( $instance['target'] ) {
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$photos .= 'target="_blank" rel="noopener noreferrer" ';
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}
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$photos .= '><img src="' . esc_url( $src, array( 'http', 'https' ) ) . '" ';
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$photos .= 'alt="' . esc_attr( $photo->get_title() ) . '" ';
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$photos .= 'title="' . esc_attr( $photo->get_title() ) . '" ';
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$photos .= ' /></a>';
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}
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if ( ! empty( $photos ) ) {
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$photos = apply_filters( 'jetpack_image_cdn_content', $photos );
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}
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$flickr_home = $rss->get_link(); // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- Used in flickr/widget.php template file.
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}
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echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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if ( empty( $photos ) ) {
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if ( current_user_can( 'edit_theme_options' ) ) {
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printf(
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'<p>%1$s<br />%2$s</p>',
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esc_html__( 'There are no photos to display. Make sure your Flickr feed URL is correct, and that your pictures are publicly accessible.', 'jetpack' ),
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esc_html__( '(Only admins can see this message)', 'jetpack' )
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);
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}
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} else {
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echo $args['before_title'] . $instance['title'] . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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require __DIR__ . '/flickr/widget.php';
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}
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echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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/** This action is already documented in modules/widgets/gravatar-profile.php */
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do_action( 'jetpack_stats_extra', 'widget_view', 'flickr' );
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}
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/**
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* Back-end widget form.
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*
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* @html-template-var array $instance
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*
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* @param array $instance Previously saved values from database.
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*/
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public function form( $instance ) {
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$instance = wp_parse_args( $instance, $this->defaults() );
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require __DIR__ . '/flickr/form.php';
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}
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/**
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* Sanitize widget form values as they are saved.
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*
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* @param array $new_instance Values just sent to be saved.
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* @param array $old_instance Previously saved values from database.
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* @return array Updated safe values to be saved.
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*/
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public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
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$instance = array();
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if ( isset( $new_instance['title'] ) ) {
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$instance['title'] = wp_kses( $new_instance['title'], array() );
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}
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if ( isset( $new_instance['items'] ) ) {
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$instance['items'] = (int) $new_instance['items'];
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}
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if ( isset( $new_instance['target'] ) ) {
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$instance['target'] = (bool) $new_instance['target'];
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}
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if (
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isset( $new_instance['flickr_image_size'] ) &&
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in_array( $new_instance['flickr_image_size'], array( 'thumbnail', 'small', 'large' ), true )
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) {
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$instance['flickr_image_size'] = $new_instance['flickr_image_size'];
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} else {
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$instance['flickr_image_size'] = 'thumbnail';
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}
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if ( isset( $new_instance['flickr_rss_url'] ) ) {
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$instance['flickr_rss_url'] = esc_url( $new_instance['flickr_rss_url'], array( 'http', 'https' ) );
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if ( strlen( $instance['flickr_rss_url'] ) < 10 ) {
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$instance['flickr_rss_url'] = '';
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}
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}
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return $instance;
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}
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}
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/**
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* Register Jetpack_Flickr_Widget widget.
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*/
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function jetpack_register_flickr_widget() {
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register_widget( 'Jetpack_Flickr_Widget' );
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}
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add_action( 'widgets_init', 'jetpack_register_flickr_widget' );
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}
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