Abilities API: extend core/get-environment-info with fields and site health

src/js/_enqueues/admin/site-health.js

@@ -161,6 +161,19 @@ jQuery( function( $ ) {
 			issue.test = issue.status + count;
 		}
 
+		if ( 'critical' === issue.status || 'recommended' === issue.status ) {
+			if ( 'undefined' === typeof SiteHealth.site_status.actionable_issues ) {
+				SiteHealth.site_status.actionable_issues = [];
+			}
+
+			SiteHealth.site_status.actionable_issues.push( {
+				test: issue.test,
+				label: issue.label,
+				status: issue.status,
+				description: issue.description
+			} );
+		}
+
 		if ( 'critical' === issue.status ) {
 			heading = sprintf(
 				_n( '%s critical issue', '%s critical issues', count ),
@@ -250,13 +263,19 @@ jQuery( function( $ ) {
 		}
 
 		if ( isStatusTab ) {
+			var postData = {
+				'action': 'health-check-site-status-result',
+				'_wpnonce': SiteHealth.nonce.site_status_result,
+				'counts': SiteHealth.site_status.issues
+			};
+
+			if ( 'undefined' !== typeof SiteHealth.site_status.actionable_issues ) {
+				postData.issues = JSON.stringify( SiteHealth.site_status.actionable_issues );
+			}
+
 			$.post(
 				ajaxurl,
-				{
-					'action': 'health-check-site-status-result',
-					'_wpnonce': SiteHealth.nonce.site_status_result,
-					'counts': SiteHealth.site_status.issues
-				}
+				postData
 			);
 
 			if ( 100 === val ) {
@@ -375,6 +394,7 @@ jQuery( function( $ ) {
 				'recommended': 0,
 				'critical': 0
 			};
+			SiteHealth.site_status.actionable_issues = [];
 		}
 
 		if ( 0 < SiteHealth.site_status.direct.length ) {

src/wp-admin/includes/ajax-actions.php

@@ -5466,7 +5466,59 @@ function wp_ajax_health_check_site_status_result() {
 		wp_send_json_error();
 	}
 
-	set_transient( 'health-check-site-status-result', wp_json_encode( $_POST['counts'] ) );
+	$counts = isset( $_POST['counts'] ) ? wp_unslash( $_POST['counts'] ) : null;
+	if ( ! is_array( $counts ) ) {
+		wp_send_json_error();
+	}
+
+	$good        = isset( $counts['good'] ) ? (int) $counts['good'] : 0;
+	$recommended = isset( $counts['recommended'] ) ? (int) $counts['recommended'] : 0;
+	$critical    = isset( $counts['critical'] ) ? (int) $counts['critical'] : 0;
+
+	$payload = array(
+		'good'        => $good,
+		'recommended' => $recommended,
+		'critical'    => $critical,
+	);
+
+	$previous_raw    = get_transient( 'health-check-site-status-result' );
+	$previous        = is_string( $previous_raw ) ? json_decode( $previous_raw, true ) : array();
+	$previous        = is_array( $previous ) ? $previous : array();
+	$previous_issues = ( isset( $previous['issues'] ) && is_array( $previous['issues'] ) ) ? $previous['issues'] : array();
+
+	if ( array_key_exists( 'issues', $_POST ) ) {
+		$issues_raw = wp_unslash( $_POST['issues'] );
+		$decoded    = is_string( $issues_raw ) ? json_decode( $issues_raw, true ) : null;
+
+		if ( is_array( $decoded ) ) {
+			$sanitized_issues = array();
+			foreach ( $decoded as $issue ) {
+				if ( ! is_array( $issue ) ) {
+					continue;
+				}
+
+				$status = isset( $issue['status'] ) ? sanitize_key( $issue['status'] ) : '';
+				if ( ! in_array( $status, array( 'recommended', 'critical' ), true ) ) {
+					continue;
+				}
+
+				$sanitized_issues[] = array(
+					'test'        => isset( $issue['test'] ) ? sanitize_text_field( $issue['test'] ) : '',
+					'label'       => isset( $issue['label'] ) ? sanitize_text_field( $issue['label'] ) : '',
+					'status'      => $status,
+					'description' => isset( $issue['description'] ) ? wp_strip_all_tags( $issue['description'] ) : '',
+				);
+			}
+
+			$payload['issues'] = $sanitized_issues;
+		} elseif ( $previous_issues ) {
+			$payload['issues'] = $previous_issues;
+		}
+	} elseif ( $previous_issues ) {
+		$payload['issues'] = $previous_issues;
+	}
+
+	set_transient( 'health-check-site-status-result', wp_json_encode( $payload ) );
 
 	wp_send_json_success();
 }

src/wp-admin/includes/class-wp-site-health.php

@@ -3453,14 +3453,28 @@ public function wp_cron_scheduled_check() {
 			}
 		}
 
+		$site_status['issues'] = array();
 		foreach ( $results as $result ) {
+			if ( ! is_array( $result ) || ! isset( $result['status'] ) ) {
+				continue;
+			}
+
 			if ( 'critical' === $result['status'] ) {
 				++$site_status['critical'];
 			} elseif ( 'recommended' === $result['status'] ) {
 				++$site_status['recommended'];
 			} else {
 				++$site_status['good'];
 			}
+
+			if ( in_array( $result['status'], array( 'recommended', 'critical' ), true ) ) {
+				$site_status['issues'][] = array(
+					'test'        => isset( $result['test'] ) ? (string) $result['test'] : '',
+					'label'       => isset( $result['label'] ) ? wp_strip_all_tags( (string) $result['label'] ) : '',
+					'status'      => $result['status'],
+					'description' => isset( $result['description'] ) ? wp_strip_all_tags( (string) $result['description'] ) : '',
+				);
+			}
 		}
 
 		set_transient( 'health-check-site-status-result', wp_json_encode( $site_status ) );