114 lines
2.5 KiB
PHP
114 lines
2.5 KiB
PHP
<?php
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/**
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* Add Podcasts RSS feed.
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*
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* @since 3.0.17
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* @package RankMath
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* @subpackage RankMathPro\Schema
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* @author Rank Math <support@rankmath.com>
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*/
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namespace RankMathPro\Podcast;
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use RankMath\Helper;
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use RankMath\Traits\Hooker;
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use RankMath\Schema\DB;
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defined( 'ABSPATH' ) || exit;
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/**
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* Publish_Podcast class.
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*/
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class Publish_Podcast {
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use Hooker;
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/**
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* Has Podcast schema.
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*
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* @var string
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*/
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protected $has_podcast_schema = false;
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/**
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* The Constructor.
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*/
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public function __construct() {
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$this->action( 'rank_math/schema/update', 'publish_podcast' );
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$this->action( 'rank_math/pre_update_schema', 'has_podcast_schema' );
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$this->action( 'rss2_podcast_head', 'add_hub_urls' );
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}
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/**
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* Check if current post already have a Podcast schema.
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*
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* @param int $post_id Current Post ID.
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*/
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public function has_podcast_schema( $post_id ) {
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$schema_types = DB::get_schema_types( $post_id );
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$this->has_podcast_schema = ! empty( $schema_types ) && in_array( 'PodcastEpisode', explode( ', ', $schema_types ), true );
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}
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/**
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* Publish podcast when a new post is published.
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*
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* @param int $post_id Current Post ID.
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*/
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public function publish_podcast( $post_id ) {
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if ( $this->has_podcast_schema ) {
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return;
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}
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$podcast = get_post_meta( $post_id, 'rank_math_schema_PodcastEpisode', true );
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if ( empty( $podcast ) ) {
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return;
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}
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$hub_urls = $this->get_hub_urls();
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if ( empty( $hub_urls ) ) {
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return;
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}
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$user_agent = $this->do_filter( 'podcast/useragent', 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ) );
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$podcast_feed = esc_url( home_url( 'feed/podcast' ) );
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$args = [
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'timeout' => 100,
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'user-agent' => "$user_agent; PubSubHubbub/WebSub",
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'body' => "hub.mode=publish&hub.url={$podcast_feed}",
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];
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foreach ( $hub_urls as $hub_url ) {
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wp_remote_post( $hub_url, $args );
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}
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}
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/**
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* Add Hub urls to podcast feed.
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*/
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public function add_hub_urls() {
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$hub_urls = $this->get_hub_urls();
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if ( empty( $hub_urls ) ) {
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return;
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}
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foreach ( $hub_urls as $hub_url ) {
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echo '<atom:link rel="hub" href="' . esc_url( $hub_url ) . '" />';
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}
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}
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/**
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* Get podcast Hub URLs.
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*/
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private function get_hub_urls() {
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return $this->do_filter(
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'podcast/hub_urls',
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[
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'https://pubsubhubbub.appspot.com',
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'https://pubsubhubbub.superfeedr.com',
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'https://websubhub.com/hub',
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]
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);
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}
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}
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