<h2>File Contents: /home/planet5/www/wp-content/plugins/wordpress-seo/src/general/user-interface/opt-in-route.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/wp-content/plugins/wordpress-seo/src/general/user-interface/opt-in-route.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

namespace Yoast\WP\SEO\General\User_Interface;

use WP_REST_Request;
use WP_REST_Response;
use Yoast\WP\SEO\Conditionals\User_Can_Manage_Wpseo_Options_Conditional;
use Yoast\WP\SEO\Helpers\Capability_Helper;
use Yoast\WP\SEO\Helpers\User_Helper;
use Yoast\WP\SEO\Main;
use Yoast\WP\SEO\Routes\Route_Interface;

/**
 * Registers a route to get dismiss opt in notification.
 */
class Opt_In_Route implements Route_Interface {

		/**
		 *  The namespace for this route.
		 *
		 * @var string
		 */
	public const ROUTE_NAMESPACE = Main::API_V1_NAMESPACE;

	/**
	 *  The prefix for this route.
	 *
	 * @var string
	 */
	public const SEEN_ROUTE = &#039;/seen-opt-in-notification&#039;;

	/**
	 * Holds the user helper.
	 *
	 * @var User_Helper
	 */
	private $user_helper;

	/**
	 * Holds the capability helper instance.
	 *
	 * @var Capability_Helper
	 */
	private $capability_helper;

	/**
	 * Returns the conditionals based on which this integration should be active.
	 *
	 * @return array&lt;User_Can_Manage_Wpseo_Options_Conditional&gt; The array of conditionals.
	 */
	public static function get_conditionals() {
		return [
			User_Can_Manage_Wpseo_Options_Conditional::class,
		];
	}

	/**
	 * Constructs Opt_In_Route.
	 *
	 * @param User_Helper       $user_helper       The user helper.
	 * @param Capability_Helper $capability_helper The capability helper.
	 */
	public function __construct( User_Helper $user_helper, Capability_Helper $capability_helper ) {
		$this-&gt;user_helper       = $user_helper;
		$this-&gt;capability_helper = $capability_helper;
	}

	/**
	 * Registers routes with WordPress.
	 *
	 * @return void
	 */
	public function register_routes() {
		$opt_in_seen_route_args = [
			&#039;methods&#039;             =&gt; &#039;POST&#039;,
			&#039;callback&#039;            =&gt; [ $this, &#039;set_opt_in_seen&#039; ],
			&#039;permission_callback&#039; =&gt; [ $this, &#039;can_see_opt_in&#039; ],
			&#039;args&#039;                =&gt; [
				&#039;key&#039; =&gt; [
					&#039;required&#039;          =&gt; true,
					&#039;type&#039;              =&gt; &#039;string&#039;,
					&#039;sanitize_callback&#039; =&gt; &#039;sanitize_text_field&#039;,
					&#039;validate_callback&#039; =&gt; [ $this, &#039;validate_key&#039; ],
				],
			],
		];

		\register_rest_route( Main::API_V1_NAMESPACE, self::SEEN_ROUTE, $opt_in_seen_route_args );
	}

	/**
	 * Sets the opt-in notification as seen.
	 *
	 * @param WP_REST_Request $request The request. This request should have a key param set.
	 *
	 * @return WP_REST_Response The response.
	 */
	public function set_opt_in_seen( $request ) {
		$key             = $request-&gt;get_param( &#039;key&#039; );
		$current_user_id = $this-&gt;user_helper-&gt;get_current_user_id();
		$meta_key        = &#039;_yoast_wpseo_&#039; . $key . &#039;_opt_in_notification_seen&#039;;

		// If already seen, return success immediately (update_user_meta returns false when the value is unchanged).
		if ( $this-&gt;user_helper-&gt;get_meta( $current_user_id, $meta_key, true ) === &#039;1&#039; ) {
			return new WP_REST_Response(
				(object) [
					&#039;success&#039; =&gt; true,
					&#039;status&#039;  =&gt; 200,
				],
				200,
			);
		}

		$result  = $this-&gt;user_helper-&gt;update_meta( $current_user_id, $meta_key, true );
		$success = $result !== false;
		$status  = ( $success ) ? 200 : 400;

		return new WP_REST_Response(
			(object) [
				&#039;success&#039; =&gt; $success,
				&#039;status&#039;  =&gt; $status,
			],
			$status,
		);
	}

	/**
	 * Whether or not the current user is allowed to see the opt-in notification.
	 *
	 * @return bool Whether or not the current user is allowed to see the opt-in notification.
	 */
	public function can_see_opt_in() {
		return $this-&gt;capability_helper-&gt;current_user_can( &#039;wpseo_manage_options&#039; );
	}

	/**
	 * Validates the key parameter.
	 *
	 * @param string $key The key to validate.
	 *
	 * @return bool Whether the key is valid.
	 */
	public function validate_key( $key ) {
		$allowed_keys = [
			&#039;bulk_editor_tour&#039;,
		];

		return \in_array( $key, $allowed_keys, true );
	}
}
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