first commit

wp/wp-content/plugins/wordpress-seo/src/services/health-check/links-table-runner.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace Yoast\WP\SEO\Services\Health_Check;
+
+use Yoast\WP\SEO\Config\Migration_Status;
+use Yoast\WP\SEO\Helpers\Options_Helper;
+
+/**
+ * Runs the Links_Table health check.
+ */
+class Links_Table_Runner implements Runner_Interface {
+
+	/**
+	 * Is set to true when the links table is accessible.
+	 *
+	 * @var bool
+	 */
+	private $links_table_accessible = false;
+
+	/**
+	 * The Migration_Status object used to determine whether the links table is accessible.
+	 *
+	 * @var Migration_Status
+	 */
+	private $migration_status;
+
+	/**
+	 * The Options_Helper object used to determine whether the health check should run or not.
+	 *
+	 * @var Options_Helper
+	 */
+	private $options_helper;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param Migration_Status $migration_status Object used to determine whether the links table is accessible.
+	 * @param Options_Helper   $options_helper   Object used to determine whether the health check should run.
+	 */
+	public function __construct(
+		Migration_Status $migration_status,
+		Options_Helper $options_helper
+	) {
+		$this->migration_status = $migration_status;
+		$this->options_helper   = $options_helper;
+	}
+
+	/**
+	 * Runs the health check. Checks if the tagline is set to WordPress' default tagline, or to its set translation.
+	 *
+	 * @return void
+	 */
+	public function run() {
+		if ( ! $this->should_run() ) {
+			return;
+		}
+
+		$this->links_table_accessible = $this->migration_status->is_version( 'free', \WPSEO_VERSION );
+	}
+
+	/**
+	 * Determines whether the health check should run or not.
+	 *
+	 * @return bool True if the text link counter feature is enabled.
+	 */
+	public function should_run() {
+		$text_link_counter_enabled = $this->options_helper->get( 'enable_text_link_counter' );
+
+		if ( ! \is_bool( $text_link_counter_enabled ) ) {
+			return false;
+		}
+
+		return $text_link_counter_enabled;
+	}
+
+	/**
+	 * Returns true if the links table is accessible
+	 *
+	 * @return bool The boolean indicating if the health check was succesful.
+	 */
+	public function is_successful() {
+		return $this->links_table_accessible;
+	}
+}