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<?php |
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/** |
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* @since 3.31.0 |
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* @author Naveen Muthusamy <[email protected]> |
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*/ |
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namespace Wordlift\Videoobject\Sitemap; |
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use Wordlift\Cache\Ttl_Cache; |
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class Video_Sitemap { |
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/** |
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* @var Ttl_Cache |
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*/ |
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private $sitemap_cache; |
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const XML_CACHE_KEY = 'video_sitemap'; |
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public function __construct( $sitemap_cache ) { |
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$this->sitemap_cache = $sitemap_cache; |
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} |
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public function init() { |
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if ( self::is_video_sitemap_enabled() ) { |
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add_action( 'template_redirect', array( $this, 'print_video_sitemap' ), 1 ); |
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} |
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add_action( 'wordlift_videoobject_video_storage_updated', array( $this, 'flush_cache' ) ); |
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} |
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public function flush_cache() { |
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$this->sitemap_cache->flush(); |
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} |
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/** |
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* Print video sitemap. |
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*/ |
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public function print_video_sitemap() { |
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global $wp; |
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$url = home_url( $wp->request ); |
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$pattern = '/wl-video-sitemap\.xml$/m'; |
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if ( preg_match( $pattern, $url ) !== 1 ) { |
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return; |
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} |
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header( "Content-type: text/xml" ); |
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$xml = $this->sitemap_cache->get( self::XML_CACHE_KEY ); |
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if ( ! $xml ) { |
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$xml = $this->get_sitemap_xml(); |
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$this->sitemap_cache->put( self::XML_CACHE_KEY, $xml ); |
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} |
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echo $xml; |
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die(); |
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} |
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public static function is_video_sitemap_enabled() { |
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return intval( get_option( '_wl_video_sitemap_generation', false ) ) === 1; |
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} |
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/** |
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* @return string |
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*/ |
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private function get_sitemap_xml() { |
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$sitemap_start_tag = <<<EOF |
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<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" |
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xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"> |
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EOF; |
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$sitemap_body = Xml_Generator::get_xml_for_all_posts_with_videos(); |
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$sitemap_end_tag = "</urlset>"; |
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$xml = $sitemap_start_tag . $sitemap_body . $sitemap_end_tag; |
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return $xml; |
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} |
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} |
insideout10 /
wordlift-plugin
