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File Content: `class-suggested-plugins.php`

<?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Suggested_Plugins
 */

use Yoast\WP\SEO\Conditionals\Conditional;

/**
 * Class WPSEO_Suggested_Plugins
 */
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 )
		);
	}
}

Name	Size	Permission
ajax	---	0755
capabilities	---	0755
endpoints	---	0755
exceptions	---	0755
filters	---	0755
formatter	---	0755
google_search_console	---	0755
import	---	0755
listeners	---	0755
menu	---	0755
metabox	---	0755
notifiers	---	0755
pages	---	0755
roles	---	0755
services	---	0755
statistics	---	0755
taxonomy	---	0755
tracking	---	0755
views	---	0755
watchers	---	0755
admin-settings-changed-listener.php	2445 bytes	0644
ajax.php	11509 bytes	0644
class-admin-asset-analysis-worker-location.php	1849 bytes	0644
class-admin-asset-dev-server-location.php	1672 bytes	0644
class-admin-asset-location.php	488 bytes	0644
class-admin-asset-manager.php	19272 bytes	0644
class-admin-asset-seo-location.php	2126 bytes	0644
class-admin-editor-specific-replace-vars.php	6495 bytes	0644
class-admin-gutenberg-compatibility-notification.php	2610 bytes	0644
class-admin-help-panel.php	2760 bytes	0644
class-admin-init.php	10957 bytes	0644
class-admin-recommended-replace-vars.php	6128 bytes	0644
class-admin-user-profile.php	3347 bytes	0644
class-admin-utils.php	2196 bytes	0644
class-admin.php	13729 bytes	0644
class-asset.php	4079 bytes	0644
class-bulk-description-editor-list-table.php	2100 bytes	0644
class-bulk-editor-list-table.php	30105 bytes	0644
class-bulk-title-editor-list-table.php	2286 bytes	0644
class-collector.php	1005 bytes	0644
class-config.php	5417 bytes	0644
class-database-proxy.php	7684 bytes	0644
class-export.php	3541 bytes	0644
class-expose-shortlinks.php	8791 bytes	0644
class-gutenberg-compatibility.php	2529 bytes	0644
class-meta-columns.php	25474 bytes	0644
class-my-yoast-proxy.php	6287 bytes	0644
class-option-tab.php	2268 bytes	0644
class-option-tabs-formatter.php	2905 bytes	0644
class-option-tabs.php	2311 bytes	0644
class-paper-presenter.php	3600 bytes	0644
class-plugin-availability.php	9186 bytes	0644
class-plugin-conflict.php	4141 bytes	0644
class-premium-popup.php	2874 bytes	0644
class-premium-upsell-admin-block.php	5248 bytes	0644
class-primary-term-admin.php	7524 bytes	0644
class-remote-request.php	3203 bytes	0644
class-schema-person-upgrade-notification.php	2284 bytes	0644
class-suggested-plugins.php	4429 bytes	0644
class-wincher-dashboard-widget.php	3615 bytes	0644
class-yoast-columns.php	3602 bytes	0644
class-yoast-dashboard-widget.php	4055 bytes	0644
class-yoast-form.php	37590 bytes	0644
class-yoast-input-validation.php	10741 bytes	0644
class-yoast-network-admin.php	10208 bytes	0644
class-yoast-network-settings-api.php	4276 bytes	0644
class-yoast-notification-center.php	26418 bytes	0644
class-yoast-notification.php	9893 bytes	0644
class-yoast-notifications.php	7812 bytes	0644
class-yoast-plugin-conflict.php	10576 bytes	0644
index.php	38 bytes	0644
interface-collection.php	257 bytes	0644
interface-installable.php	254 bytes	0644

File Content: class-suggested-plugins.php

File Content: `class-suggested-plugins.php`