Add tool for verifying database table

Author: vedanshujain

src/Controllers/Version2/class-wc-rest-system-status-tools-v2-controller.php

@@ -200,6 +200,16 @@ public function get_tools() {
 				),
 			),
 		);
+		if ( method_exists( 'WC_Install', 'verify_base_tables' ) ) {
+			$tools['verify_db_tables'] = array(
+				'name'   => __( 'Verify base database tables', 'woocommerce-rest-api' ),
+				'button' => __( 'Verify database', 'woocommerce-rest-api' ),
+				'desc'   => sprintf(
+					__( 'Verify if all base database tables are present.', 'woocommerce-rest-api' )
+				),
+			);
+		}
+
 
 		// Jetpack does the image resizing heavy lifting so you don't have to.
 		if ( ( class_exists( 'Jetpack' ) && Jetpack::is_module_active( 'photon' ) ) || ! apply_filters( 'woocommerce_background_image_regeneration', true ) ) {
@@ -538,6 +548,22 @@ public function execute_tool( $tool ) {
 				$message = __( 'Database upgrade routine has been scheduled to run in the background.', 'woocommerce-rest-api' );
 				break;
 
+			case 'verify_db_tables':
+				if ( ! method_exists( 'WC_Install', 'verify_base_tables' ) ) {
+					$message = __( 'You need WooCommerce 4.2 or newer to run this tool.', 'woocommerce' );
+					$ran = false;
+					break;
+				}
+				$missing_tables = WC_Install::verify_base_tables();
+				if ( 0 === count( $missing_tables ) ) {
+					$message = __( 'Database verified successfully.', 'woocommerce-rest-api' );
+				} else {
+					$message = __( 'Verifying database... One or more tables are still missing: ', 'woocommerce-rest-api' );
+					$message .= implode( ', ', $missing_tables );
+					$ran = false;
+				}
+				break;
+
 			default:
 				$tools = $this->get_tools();
 				if ( isset( $tools[ $tool ]['callback'] ) ) {