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1<?php
2/**
3 * Sets up the Purchases REST API endpoints.
4 *
5 * @package automattic/my-jetpack
6 */
7
8namespace Automattic\Jetpack\My_Jetpack;
9
10use Automattic\Jetpack\Connection\Client;
11use Automattic\Jetpack\Connection\Manager as Connection_Manager;
12use WP_Error;
13
14/**
15 * Registers the REST routes for Purchases.
16 *
17 * @phan-constructor-used-for-side-effects
18 */
19class REST_Purchases {
20    /**
21     * Constructor.
22     */
23    public function __construct() {
24        register_rest_route(
25            'my-jetpack/v1',
26            '/site/purchases',
27            array(
28                'methods'             => \WP_REST_Server::READABLE,
29                'callback'            => __CLASS__ . '::get_site_current_purchases',
30                'permission_callback' => __CLASS__ . '::permissions_callback',
31            )
32        );
33    }
34
35    /**
36     * Check user capability to access the endpoint.
37     *
38     * @access public
39     * @static
40     *
41     * @return true|WP_Error
42     */
43    public static function permissions_callback() {
44        $connection        = new Connection_Manager();
45        $is_site_connected = $connection->is_connected();
46
47        if ( ! $is_site_connected ) {
48            return new WP_Error(
49                'not_connected',
50                __( 'Your site is not connected to Jetpack.', 'jetpack-my-jetpack' ),
51                array(
52                    'status' => 400,
53                )
54            );
55        }
56
57        return current_user_can( 'edit_posts' );
58    }
59
60    /**
61     * Site purchases endpoint.
62     *
63     * @return array|WP_Error of site purchases.
64     */
65    public static function get_site_current_purchases() {
66        $site_id           = \Jetpack_Options::get_option( 'id' );
67        $wpcom_endpoint    = sprintf( '/upgrades?site=%1$d&locale=%2$s', $site_id, get_user_locale() );
68        $wpcom_api_version = '1.2';
69        $response          = Client::wpcom_json_api_request_as_blog( $wpcom_endpoint, $wpcom_api_version );
70        $response_code     = wp_remote_retrieve_response_code( $response );
71        $body              = json_decode( wp_remote_retrieve_body( $response ) );
72
73        if ( is_wp_error( $response ) || empty( $response['body'] ) || 200 !== $response_code ) {
74            return new WP_Error( 'site_data_fetch_failed', 'Site data fetch failed', array( 'status' => $response_code ? $response_code : 400 ) );
75        }
76
77        return rest_ensure_response( $body );
78    }
79}