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<?php
/**
* Yoast SEO: News plugin file.
*
* @package WPSEO_News
*/
/**
* Represents the news extension for Yoast SEO.
*/
class WPSEO_News {
const VERSION = WPSEO_NEWS_VERSION;
/**
* Get WPSEO News options.
*
* @return array
*/
public static function get_options() {
$defaults = array(
'name' => '',
'default_genre' => array(),
'ep_image_src' => '',
'version' => '0',
);
$options = wp_parse_args( get_option( 'wpseo_news', array() ), $defaults );
/**
* Filter: 'wpseo_news_options' - Allow modifying of Yoast News SEO options.
*
* @api array $wpseo_news_options The Yoast News SEO options.
*/
return apply_filters( 'wpseo_news_options', $options );
}
/**
* Initializes the plugin.
*/
public function __construct() {
// Check if module can work.
global $wp_version;
if ( false === $this->check_dependencies( $wp_version ) ) {
return;
}
$this->set_hooks();
// Meta box.
new WPSEO_News_Meta_Box();
// Sitemap.
new WPSEO_News_Sitemap();
// Head.
new WPSEO_News_Head();
// Schema.
new WPSEO_News_Schema();
if ( is_admin() ) {
$this->init_admin();
}
}
/**
* Loading the hooks, which will be lead to methods withing this class.
*/
private function set_hooks() {
// Add plugin links.
add_filter( 'plugin_action_links', array( $this, 'plugin_links' ), 10, 2 );
// Add subitem to menu.
add_filter( 'wpseo_submenu_pages', array( $this, 'add_submenu_pages' ) );
// Register settings.
add_action( 'admin_init', array( $this, 'register_settings' ) );
// Only initialize Helpscout Beacon when the License Manager is present.
if ( class_exists( 'Yoast_Plugin_License_Manager' ) ) {
add_action( 'admin_init', array( $this, 'init_helpscout_beacon' ) );
}
}
/**
* Initialize the admin page.
*/
private function init_admin() {
// Upgrade Manager.
$upgrade_manager = new WPSEO_News_Upgrade_Manager();
$upgrade_manager->check_update();
// Setting action for removing the transient on update options.
if ( class_exists( 'WPSEO_Sitemaps_Cache' )
&& method_exists( 'WPSEO_Sitemaps_Cache', 'register_clear_on_option_update' )
) {
WPSEO_Sitemaps_Cache::register_clear_on_option_update(
'wpseo_news',
WPSEO_News_Sitemap::get_sitemap_name( false )
);
}
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
}
/**
* Check the dependencies.
*
* @param string $wp_version The current version of WordPress.
*
* @return bool True whether the dependencies are okay.
*/
protected function check_dependencies( $wp_version ) {
// When WordPress function is too low.
if ( version_compare( $wp_version, '4.9', '<' ) ) {
add_action( 'all_admin_notices', array( $this, 'error_upgrade_wp' ) );
return false;
}
$wordpress_seo_version = $this->get_wordpress_seo_version();
// When WPSEO_VERSION isn't defined.
if ( $wordpress_seo_version === false ) {
add_action( 'all_admin_notices', array( $this, 'error_missing_wpseo' ) );
return false;
}
// At least 11.9, in which we've refactored the metabox API for addons.
if ( version_compare( $wordpress_seo_version, '11.9-RC0', '<' ) ) {
add_action( 'all_admin_notices', array( $this, 'error_upgrade_wpseo' ) );
return false;
}
return true;
}
/**
* Returns the WordPress SEO version when set.
*
* @return bool|string The version whether it is set.
*/
protected function get_wordpress_seo_version() {
if ( ! defined( 'WPSEO_VERSION' ) ) {
return false;
}
return WPSEO_VERSION;
}
/**
* Add plugin links.
*
* @param array $links The plugin links.
* @param string $file The file name.
*
* @return mixed
*/
public function plugin_links( $links, $file ) {
static $this_plugin;
if ( empty( $this_plugin ) ) {
$this_plugin = plugin_basename( WPSEO_NEWS_FILE );
}
if ( $file === $this_plugin ) {
$settings_link = sprintf(
'<a href="%1$s">%2$s</a>',
admin_url( 'admin.php?page=wpseo_news' ),
__( 'Settings', 'wordpress-seo-news' )
);
array_unshift( $links, $settings_link );
}
return $links;
}
/**
* Register the premium settings.
*/
public function register_settings() {
register_setting( 'yoast_wpseo_news_options', 'wpseo_news', array( $this, 'sanitize_options' ) );
}
/**
* Sanitize options.
*
* @param array $options The options to sanitize.
*
* @return mixed
*/
public function sanitize_options( $options ) {
$options['version'] = self::VERSION;
return $options;
}
/**
* Add submenu item.
*
* @param array $submenu_pages Array with the sub menu pages.
*
* @return array
*/
public function add_submenu_pages( $submenu_pages ) {
$admin_page = new WPSEO_News_Admin_Page();
$submenu_pages[] = array(
'wpseo_dashboard',
'Yoast SEO: News SEO',
'News SEO',
'wpseo_manage_options',
'wpseo_news',
array( $admin_page, 'display' ),
array( array( $this, 'enqueue_admin_page' ) ),
);
return $submenu_pages;
}
/**
* Flattens a version number for use in a filename.
*
* @param string $version The original version number.
*
* @return string The flattened version number.
*/
public function flatten_version( $version ) {
$parts = explode( '.', $version );
if ( count( $parts ) === 2 && preg_match( '/^\d+$/', $parts[1] ) === 1 ) {
$parts[] = '0';
}
return implode( '', $parts );
}
/**
* Enqueues the plugin scripts.
*/
public function enqueue_scripts() {
global $pagenow;
if ( $pagenow === 'post.php' || $pagenow === 'post-new.php' ) {
wp_enqueue_style( 'wpseo-news-admin-metabox-css', plugins_url( 'css/dist/admin-metabox-' . $this->flatten_version( WPSEO_NEWS_VERSION ) . WPSEO_CSSJS_SUFFIX . '.css', WPSEO_NEWS_FILE ), array(), WPSEO_NEWS_VERSION );
}
}
/**
* Enqueue admin page JS.
*/
public function enqueue_admin_page() {
wp_enqueue_media(); // Enqueue files needed for upload functionality.
wp_enqueue_script(
'wpseo-news-admin-page',
plugins_url( 'assets/admin-page.min.js', WPSEO_NEWS_FILE ),
array( 'jquery' ),
self::VERSION,
true
);
wp_localize_script( 'wpseo-news-admin-page', 'wpseonews', WPSEO_News_Javascript_Strings::strings() );
}
/**
* Throw an error if Yoast SEO is not installed.
*
* @since 2.0.0
*/
public function error_missing_wpseo() {
echo '<div class="error"><p>';
printf(
esc_html__(
/* translators: %1$s resolves to the link to search for Yoast SEO, %2$s resolves to the closing tag for this link, %3$s resolves to Yoast SEO, %4$s resolves to News SEO */
'Please %1$sinstall & activate %3$s%2$s and then enable its XML sitemap functionality to allow the %4$s module to work.',
'wordpress-seo-news'
),
'<a href="' . esc_url( admin_url( 'plugin-install.php?tab=search&type=term&s=yoast+seo&plugin-search-input=Search+Plugins' ) ) . '">',
'</a>',
'Yoast SEO',
'News SEO'
);
echo '</p></div>';
}
/**
* Throw an error if WordPress is out of date.
*
* @since 2.0.0
*/
public function error_upgrade_wp() {
echo '<div class="error"><p>';
printf(
esc_html__(
/* translators: %1$s resolves to News SEO */
'Please upgrade WordPress to the latest version to allow WordPress and the %1$s module to work properly.',
'wordpress-seo-news'
),
'News SEO'
);
echo '</p></div>';
}
/**
* Throw an error if Yoast SEO is out of date.
*
* @since 2.0.0
*/
public function error_upgrade_wpseo() {
echo '<div class="error"><p>';
printf(
esc_html__(
/* translators: %1$s resolves to Yoast SEO, %2$s resolves to News SEO */
'Please upgrade the %1$s plugin to the latest version to allow the %2$s module to work.',
'wordpress-seo-news'
),
'Yoast SEO',
'News SEO'
);
echo '</p></div>';
}
/**
* Initializes the helpscout beacon.
*/
public function init_helpscout_beacon() {
$page = filter_input( INPUT_GET, 'page' );
$query_var = ( ! empty( $page ) ) ? $page : '';
// Only add the helpscout beacon on Yoast SEO pages.
if ( $query_var === 'wpseo_news' ) {
$beacon = yoast_get_helpscout_beacon( $query_var );
$beacon->add_setting( new WPSEO_News_Beacon_Setting() );
$beacon->register_hooks();
}
}
/**
* Getting the post_types based on the included post_types option.
*
* The variable $post_types is static, because it won't change during pageload, but the method may be called
* multiple times. First time it will set the value, second time it will return this value.
*
* @return array
*/
public static function get_included_post_types() {
static $post_types;
if ( $post_types === null ) {
$options = self::get_options();
// Get supported post types.
$post_types = array();
foreach ( get_post_types( array( 'public' => true ), 'objects' ) as $post_type ) {
if ( isset( $options[ 'newssitemap_include_' . $post_type->name ] ) && ( 'on' === $options[ 'newssitemap_include_' . $post_type->name ] ) ) {
$post_types[] = $post_type->name;
}
}
// Support post if no post types are supported.
if ( empty( $post_types ) ) {
$post_types[] = 'post';
}
}
return $post_types;
}
/**
* Listing the genres.
*
* @return array
*/
public static function list_genres() {
return array(
'none' => __( 'None', 'wordpress-seo-news' ),
'pressrelease' => __( 'Press Release', 'wordpress-seo-news' ),
'satire' => __( 'Satire', 'wordpress-seo-news' ),
'blog' => __( 'Blog', 'wordpress-seo-news' ),
'oped' => __( 'Op-Ed', 'wordpress-seo-news' ),
'opinion' => __( 'Opinion', 'wordpress-seo-news' ),
'usergenerated' => __( 'User Generated', 'wordpress-seo-news' ),
);
}
/**
* Determines whether the post is excluded in the news sitemap (and therefore schema) output.
*
* @param int $post_id The ID of the post to check for.
*
* @return bool Whether or not the post is excluded.
*/
public static function is_excluded_through_sitemap( $post_id ) {
return WPSEO_Meta::get_value( 'newssitemap-exclude', $post_id ) === 'on';
}
/**
* Determines if the post is excluded in through a term that is excluded.
*
* @param int $post_id The ID of the post.
* @param string $post_type The type of the post.
*
* @return bool True if the post is excluded.
*/
public static function is_excluded_through_terms( $post_id, $post_type ) {
$options = self::get_options();
$terms = self::get_terms_for_post( $post_id, $post_type );
foreach ( $terms as $term ) {
$term_exclude_option = 'term_exclude_' . $term->taxonomy . '_' . $term->slug . '_for_' . $post_type;
if ( isset( $options[ $term_exclude_option ] ) ) {
return true;
}
}
return false;
}
/**
* Retrieves all the term IDs for the post.
*
* @param int $post_id The ID of the post.
* @param string $post_type The type of the post.
*
* @return array The terms for the item.
*/
public static function get_terms_for_post( $post_id, $post_type ) {
$terms = array();
$excludable_taxonomies = new WPSEO_News_Excludable_Taxonomies( $post_type );
foreach ( $excludable_taxonomies->get() as $taxonomy ) {
$extra_terms = get_the_terms( $post_id, $taxonomy->name );
if ( ! is_array( $extra_terms ) || count( $extra_terms ) === 0 ) {
continue;
}
$terms = array_merge( $terms, $extra_terms );
}
return $terms;
}
}