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<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\XML_Sitemaps
*/
/**
* Sitemap provider for author archives.
*/
class WPSEO_Taxonomy_Sitemap_Provider implements WPSEO_Sitemap_Provider {
/**
* Holds image parser instance.
*
* @var WPSEO_Sitemap_Image_Parser
*/
protected static $image_parser;
/**
* Determines whether images should be included in the XML sitemap.
*
* @var bool
*/
private $include_images;
/**
* Set up object properties for data reuse.
*/
public function __construct() {
/**
* Filter - Allows excluding images from the XML sitemap.
*
* @param bool unsigned True to include, false to exclude.
*/
$this->include_images = apply_filters( 'wpseo_xml_sitemap_include_images', true );
}
/**
* Check if provider supports given item type.
*
* @param string $type Type string to check for.
*
* @return boolean
*/
public function handles_type( $type ) {
$taxonomy = get_taxonomy( $type );
if ( $taxonomy === false || ! $this->is_valid_taxonomy( $taxonomy->name ) || ! $taxonomy->public ) {
return false;
}
return true;
}
/**
* Retrieves the links for the sitemap.
*
* @param int $max_entries Entries per sitemap.
*
* @return array
*/
public function get_index_links( $max_entries ) {
$taxonomies = get_taxonomies( array( 'public' => true ), 'objects' );
if ( empty( $taxonomies ) ) {
return array();
}
$taxonomy_names = array_filter( array_keys( $taxonomies ), array( $this, 'is_valid_taxonomy' ) );
$taxonomies = array_intersect_key( $taxonomies, array_flip( $taxonomy_names ) );
// Retrieve all the taxonomies and their terms so we can do a proper count on them.
/**
* Filter the setting of excluding empty terms from the XML sitemap.
*
* @param boolean $exclude Defaults to true.
* @param array $taxonomy_names Array of names for the taxonomies being processed.
*/
$hide_empty = apply_filters( 'wpseo_sitemap_exclude_empty_terms', true, $taxonomy_names );
$all_taxonomies = array();
foreach ( $taxonomy_names as $taxonomy_name ) {
/**
* Filter the setting of excluding empty terms from the XML sitemap for a specific taxonomy.
*
* @param boolean $exclude Defaults to the sitewide setting.
* @param string $taxonomy_name The name of the taxonomy being processed.
*/
$hide_empty_tax = apply_filters( 'wpseo_sitemap_exclude_empty_terms_taxonomy', $hide_empty, $taxonomy_name );
$term_args = array(
'hide_empty' => $hide_empty_tax,
'fields' => 'ids',
);
$taxonomy_terms = get_terms( $taxonomy_name, $term_args );
if ( count( $taxonomy_terms ) > 0 ) {
$all_taxonomies[ $taxonomy_name ] = $taxonomy_terms;
}
}
$index = array();
foreach ( $taxonomies as $tax_name => $tax ) {
if ( ! isset( $all_taxonomies[ $tax_name ] ) ) { // No eligible terms found.
continue;
}
$total_count = ( isset( $all_taxonomies[ $tax_name ] ) ) ? count( $all_taxonomies[ $tax_name ] ) : 1;
$max_pages = 1;
if ( $total_count > $max_entries ) {
$max_pages = (int) ceil( $total_count / $max_entries );
}
$last_modified_gmt = WPSEO_Sitemaps::get_last_modified_gmt( $tax->object_type );
for ( $page_counter = 0; $page_counter < $max_pages; $page_counter++ ) {
$current_page = ( $max_pages > 1 ) ? ( $page_counter + 1 ) : '';
if ( ! is_array( $tax->object_type ) || count( $tax->object_type ) === 0 ) {
continue;
}
$terms = array_splice( $all_taxonomies[ $tax_name ], 0, $max_entries );
if ( ! $terms ) {
continue;
}
$args = array(
'post_type' => $tax->object_type,
'tax_query' => array(
array(
'taxonomy' => $tax_name,
'terms' => $terms,
),
),
'orderby' => 'modified',
'order' => 'DESC',
'posts_per_page' => 1,
);
$query = new WP_Query( $args );
if ( $query->have_posts() ) {
$date = $query->posts[0]->post_modified_gmt;
}
else {
$date = $last_modified_gmt;
}
$index[] = array(
'loc' => WPSEO_Sitemaps_Router::get_base_url( $tax_name . '-sitemap' . $current_page . '.xml' ),
'lastmod' => $date,
);
}
}
return $index;
}
/**
* Get set of sitemap link data.
*
* @param string $type Sitemap type.
* @param int $max_entries Entries per sitemap.
* @param int $current_page Current page of the sitemap.
*
* @throws OutOfBoundsException When an invalid page is requested.
*
* @return array
*/
public function get_sitemap_links( $type, $max_entries, $current_page ) {
global $wpdb;
$links = array();
if ( ! $this->handles_type( $type ) ) {
return $links;
}
$taxonomy = get_taxonomy( $type );
$steps = $max_entries;
$offset = ( $current_page > 1 ) ? ( ( $current_page - 1 ) * $max_entries ) : 0;
/** This filter is documented in inc/sitemaps/class-taxonomy-sitemap-provider.php */
$hide_empty = apply_filters( 'wpseo_sitemap_exclude_empty_terms', true, array( $taxonomy->name ) );
/** This filter is documented in inc/sitemaps/class-taxonomy-sitemap-provider.php */
$hide_empty_tax = apply_filters( 'wpseo_sitemap_exclude_empty_terms_taxonomy', $hide_empty, $taxonomy->name );
$terms = get_terms( $taxonomy->name, array( 'hide_empty' => $hide_empty_tax ) );
// If the total term count is lower than the offset, we are on an invalid page.
if ( count( $terms ) < $offset ) {
throw new OutOfBoundsException( 'Invalid sitemap page requested' );
}
$terms = array_splice( $terms, $offset, $steps );
if ( empty( $terms ) ) {
return $links;
}
$post_statuses = array_map( 'esc_sql', WPSEO_Sitemaps::get_post_statuses() );
// Grab last modified date.
$sql = "
SELECT MAX(p.post_modified_gmt) AS lastmod
FROM $wpdb->posts AS p
INNER JOIN $wpdb->term_relationships AS term_rel
ON term_rel.object_id = p.ID
INNER JOIN $wpdb->term_taxonomy AS term_tax
ON term_tax.term_taxonomy_id = term_rel.term_taxonomy_id
AND term_tax.taxonomy = %s
AND term_tax.term_id = %d
WHERE p.post_status IN ('" . implode( "','", $post_statuses ) . "')
AND p.post_password = ''
";
/**
* Filter: 'wpseo_exclude_from_sitemap_by_term_ids' - Allow excluding terms by ID.
*
* @api array $terms_to_exclude The terms to exclude.
*/
$terms_to_exclude = apply_filters( 'wpseo_exclude_from_sitemap_by_term_ids', array() );
foreach ( $terms as $term ) {
if ( in_array( $term->term_id, $terms_to_exclude, true ) ) {
continue;
}
$url = array();
$tax_noindex = WPSEO_Taxonomy_Meta::get_term_meta( $term, $term->taxonomy, 'noindex' );
if ( $tax_noindex === 'noindex' ) {
continue;
}
$url['loc'] = WPSEO_Taxonomy_Meta::get_term_meta( $term, $term->taxonomy, 'canonical' );
if ( ! is_string( $url['loc'] ) || $url['loc'] === '' ) {
$url['loc'] = get_term_link( $term, $term->taxonomy );
}
$url['mod'] = $wpdb->get_var( $wpdb->prepare( $sql, $term->taxonomy, $term->term_id ) );
if ( $this->include_images ) {
$url['images'] = $this->get_image_parser()->get_term_images( $term );
}
// Deprecated, kept for backwards data compat. R.
$url['chf'] = 'daily';
$url['pri'] = 1;
/** This filter is documented at inc/sitemaps/class-post-type-sitemap-provider.php */
$url = apply_filters( 'wpseo_sitemap_entry', $url, 'term', $term );
if ( ! empty( $url ) ) {
$links[] = $url;
}
}
return $links;
}
/**
* Check if taxonomy by name is valid to appear in sitemaps.
*
* @param string $taxonomy_name Taxonomy name to check.
*
* @return bool
*/
public function is_valid_taxonomy( $taxonomy_name ) {
if ( WPSEO_Options::get( "noindex-tax-{$taxonomy_name}" ) === true ) {
return false;
}
if ( in_array( $taxonomy_name, array( 'link_category', 'nav_menu' ), true ) ) {
return false;
}
if ( 'post_format' === $taxonomy_name && WPSEO_Options::get( 'disable-post_format', false ) ) {
return false;
}
/**
* Filter to exclude the taxonomy from the XML sitemap.
*
* @param boolean $exclude Defaults to false.
* @param string $taxonomy_name Name of the taxonomy to exclude..
*/
if ( apply_filters( 'wpseo_sitemap_exclude_taxonomy', false, $taxonomy_name ) ) {
return false;
}
return true;
}
/**
* Get the Image Parser.
*
* @return WPSEO_Sitemap_Image_Parser
*/
protected function get_image_parser() {
if ( ! isset( self::$image_parser ) ) {
self::$image_parser = new WPSEO_Sitemap_Image_Parser();
}
return self::$image_parser;
}
/* ********************* DEPRECATED METHODS ********************* */
/**
* Get all the options.
*
* @deprecated 7.0
* @codeCoverageIgnore
*/
protected function get_options() {
_deprecated_function( __METHOD__, 'WPSEO 7.0', 'WPSEO_Options::get' );
}
}