class WPSEO_Suggested_Plugins implements WPSEO_WordPress_Integration {
/**
* Holds the availability checker.
*
* @var WPSEO_Plugin_Availability
*/
protected $availability_checker;
/**
* Holds the notification center.
*
* @var Yoast_Notification_Center
*/
protected $notification_center;
/**
* WPSEO_Suggested_Plugins constructor.
*
* @param WPSEO_Plugin_Availability $availability_checker The availability checker to use.
* @param Yoast_Notification_Center $notification_center The notification center to add notifications to.
*/
public function __construct( WPSEO_Plugin_Availability $availability_checker, Yoast_Notification_Center $notification_center ) {
$this->availability_checker = $availability_checker;
$this->notification_center = $notification_center;
}
/**
* Registers all hooks to WordPress.
*
* @return void
*/
public function register_hooks() {
add_action( 'admin_init', [ $this->availability_checker, 'register' ] );
add_action( 'admin_init', [ $this, 'add_notifications' ] );
}
/**
* Adds notifications (when necessary).
*
* @return void
*/
public function add_notifications() {
$checker = $this->availability_checker;
// Get all Yoast plugins that have dependencies.
$plugins = $checker->get_plugins_with_dependencies();
foreach ( $plugins as $plugin_name => $plugin ) {
$notification_id = 'wpseo-suggested-plugin-' . $plugin_name;
if ( ! $checker->dependencies_are_satisfied( $plugin ) ) {
$this->notification_center->remove_notification_by_id( $notification_id );
continue;
}
if ( ! $checker->is_installed( $plugin ) ) {
$notification = $this->get_yoast_seo_suggested_plugins_notification( $notification_id, $plugin );
$this->notification_center->add_notification( $notification );
continue;
}
$this->notification_center->remove_notification_by_id( $notification_id );
}
}
/**
* Build Yoast SEO suggested plugins notification.
*
* @param string $notification_id The id of the notification to be created.
* @param array<string, string|bool|array<string, Conditional>> $plugin The plugin to retrieve the data from.
*
* @return Yoast_Notification The notification containing the suggested plugin.
*/
protected function get_yoast_seo_suggested_plugins_notification( $notification_id, $plugin ) {
$message = $this->create_install_suggested_plugin_message( $plugin );
return new Yoast_Notification(
$message,
[
'id' => $notification_id,
'type' => Yoast_Notification::WARNING,
'capabilities' => [ 'install_plugins' ],
]
);
}
/**
* Creates a message to suggest the installation of a particular plugin.
*
* @param array $suggested_plugin The suggested plugin.
*
* @return string The install suggested plugin message.
*/
protected function create_install_suggested_plugin_message( $suggested_plugin ) {
/* translators: %1$s expands to an opening strong tag, %2$s expands to the dependency name, %3$s expands to a closing strong tag, %4$s expands to an opening anchor tag, %5$s expands to a closing anchor tag. */
$message = __( 'It looks like you aren\'t using our %1$s%2$s addon%3$s. %4$sUpgrade today%5$s to unlock more tools and SEO features to make your products stand out in search results.', 'wordpress-seo' );
$install_link = WPSEO_Admin_Utils::get_install_link( $suggested_plugin );
return sprintf(
$message,
'<strong>',
$install_link,
'</strong>',
$this->create_more_information_link( $suggested_plugin['url'], $suggested_plugin['title'] ),
'</a>'
);
}
/**
* Creates a more information link that directs the user to WordPress.org Plugin repository.
*
* @param string $url The URL to the plugin's page.
* @param string $name The name of the plugin.
*
* @return string The more information link.
*/
protected function create_more_information_link( $url, $name ) {
return sprintf(
'<a href="%s" aria-label="%s" target="_blank" rel="noopener noreferrer">',
$url,
/* translators: Hidden accessibility text; %1$s expands to the dependency name */
sprintf( __( 'More information about %1$s', 'wordpress-seo' ), $name )
);
}
}