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1<?php
2/**
3 * Activity log REST bridge — proxies /sites/{id}/activity/rewindable.
4 *
5 * @package automattic/jetpack-backup-plugin
6 */
7
8namespace Automattic\Jetpack\Backup\V0005\REST;
9
10use Automattic\Jetpack\Connection\Client;
11use WP_Error;
12use WP_REST_Request;
13use WP_REST_Server;
14
15if ( ! defined( 'ABSPATH' ) ) {
16    exit( 0 );
17}
18
19/**
20 * Powers the modernized Overview's activity list. Forwards the raw
21 * WPCOM rewindable-activity response; the React layer's
22 * `normalize/activity-log.ts` converts entries to `ActivityItem` shape.
23 */
24class Activity_Log_Bridge {
25
26    /**
27     * Register routes.
28     *
29     * @return void
30     */
31    public static function register_routes() {
32        // NOTE: not `/activity-log` — that namespace is owned by the
33        // `automattic/jetpack-activity-log` package's REST controller,
34        // which is loaded inside the Jetpack plugin. Sharing the route
35        // would let `register_rest_route`'s endpoint-merge pick the
36        // wrong handler at dispatch time (the two bridges proxy
37        // different WPCOM endpoints with different response shapes).
38        register_rest_route(
39            'jetpack/v4',
40            '/site/rewindable-activity',
41            array(
42                'methods'             => WP_REST_Server::READABLE,
43                'callback'            => array( __CLASS__, 'get_activity_log' ),
44                'permission_callback' => array( Rest_Controller::class, 'permission_check' ),
45                'args'                => array(
46                    'number' => array( 'type' => 'integer' ),
47                ),
48            )
49        );
50    }
51
52    /**
53     * Proxy the WPCOM rewindable activity log.
54     *
55     * @param WP_REST_Request $request The REST request.
56     * @return \WP_REST_Response|WP_Error
57     */
58    public static function get_activity_log( WP_REST_Request $request ) {
59        $blog_id = Rest_Controller::get_blog_id_or_error();
60        if ( is_wp_error( $blog_id ) ) {
61            return $blog_id;
62        }
63
64        $query = array_filter(
65            array( 'number' => $request->get_param( 'number' ) ),
66            static function ( $value ) {
67                return null !== $value && '' !== $value;
68            }
69        );
70
71        $endpoint = sprintf( '/sites/%d/activity/rewindable', $blog_id );
72        if ( ! empty( $query ) ) {
73            $endpoint .= '?' . http_build_query( $query );
74        }
75
76        $response = Client::wpcom_json_api_request_as_user(
77            $endpoint,
78            'v2',
79            array(),
80            null,
81            'wpcom'
82        );
83
84        if ( is_wp_error( $response ) ) {
85            return $response;
86        }
87
88        $status_code = wp_remote_retrieve_response_code( $response );
89        if ( 200 !== $status_code ) {
90            return new WP_Error(
91                'activity_log_fetch_failed',
92                __( 'Could not fetch the site activity log.', 'jetpack-backup-pkg' ),
93                array( 'status' => is_int( $status_code ) && $status_code > 0 ? $status_code : 500 )
94            );
95        }
96
97        return rest_ensure_response( json_decode( wp_remote_retrieve_body( $response ), true ) );
98    }
99}