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| 1 | <?php |
| 2 | /** |
| 3 | * REST API endpoint for Related Posts |
| 4 | * |
| 5 | * @package automattic/jetpack |
| 6 | * @since 12.6 |
| 7 | */ |
| 8 | |
| 9 | if ( ! defined( 'ABSPATH' ) ) { |
| 10 | exit( 0 ); |
| 11 | } |
| 12 | |
| 13 | /** |
| 14 | * Class WPCOM_REST_API_V2_Endpoint_Related_Posts |
| 15 | */ |
| 16 | class WPCOM_REST_API_V2_Endpoint_Related_Posts extends WP_REST_Controller { |
| 17 | /** |
| 18 | * Constructor. |
| 19 | */ |
| 20 | public function __construct() { |
| 21 | $this->base_api_path = 'wpcom'; |
| 22 | $this->version = 'v2'; |
| 23 | $this->namespace = $this->base_api_path . '/' . $this->version; |
| 24 | $this->rest_base = '/related-posts'; |
| 25 | |
| 26 | add_action( 'rest_api_init', array( $this, 'register_routes' ) ); |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * Register routes. |
| 31 | */ |
| 32 | public function register_routes() { |
| 33 | register_rest_route( |
| 34 | $this->namespace, |
| 35 | $this->rest_base, |
| 36 | array( |
| 37 | 'show_in_index' => true, |
| 38 | 'methods' => WP_REST_Server::READABLE, |
| 39 | 'callback' => array( $this, 'get_options' ), |
| 40 | 'permission_callback' => function () { |
| 41 | return current_user_can( 'edit_posts' ); |
| 42 | }, |
| 43 | ) |
| 44 | ); |
| 45 | |
| 46 | register_rest_route( |
| 47 | $this->namespace, |
| 48 | $this->rest_base . '/enable', |
| 49 | array( |
| 50 | 'show_in_index' => true, |
| 51 | 'methods' => WP_REST_Server::CREATABLE, |
| 52 | 'callback' => array( $this, 'enable_rp' ), |
| 53 | 'permission_callback' => function () { |
| 54 | return current_user_can( 'manage_options' ); |
| 55 | }, |
| 56 | ) |
| 57 | ); |
| 58 | |
| 59 | register_rest_route( |
| 60 | $this->namespace, |
| 61 | $this->rest_base . '/(?P<id>[\d]+)', |
| 62 | array( |
| 63 | 'args' => array( |
| 64 | 'id' => array( |
| 65 | 'description' => __( 'Unique identifier for the post.', 'jetpack' ), |
| 66 | 'type' => 'integer', |
| 67 | ), |
| 68 | ), |
| 69 | array( |
| 70 | 'show_in_index' => true, |
| 71 | 'methods' => WP_REST_Server::READABLE, |
| 72 | 'callback' => array( $this, 'get_related_posts' ), |
| 73 | 'permission_callback' => array( $this, 'get_related_posts_permissions_check' ), |
| 74 | ), |
| 75 | ) |
| 76 | ); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Gets the site's Related Posts Options. |
| 81 | * |
| 82 | * @return WP_REST_Response Array of information about the site's Related Posts options. |
| 83 | * - enabled: Whether Related Posts is enabled. |
| 84 | * - options: Array of options for Related Posts. |
| 85 | */ |
| 86 | public function get_options() { |
| 87 | $options = Jetpack_Options::get_option( 'relatedposts', array() ); |
| 88 | $enabled = isset( $options['enabled'] ) ? (bool) $options['enabled'] : false; |
| 89 | |
| 90 | return rest_ensure_response( |
| 91 | array( |
| 92 | 'enabled' => $enabled, |
| 93 | 'options' => $options, |
| 94 | ) |
| 95 | ); |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Enables the site's Related Posts. |
| 100 | * |
| 101 | * @param WP_REST_Request $request Full data about the request. |
| 102 | * |
| 103 | * @return WP_REST_Response Array confirming the new status. |
| 104 | */ |
| 105 | public function enable_rp( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 106 | $old_relatedposts_options = Jetpack_Options::get_option( 'relatedposts', array() ); |
| 107 | $relatedposts_options_to_save = $old_relatedposts_options; |
| 108 | $relatedposts_options_to_save['enabled'] = true; |
| 109 | |
| 110 | // Enable Related Posts. |
| 111 | $enable = Jetpack_Options::update_option( 'relatedposts', $relatedposts_options_to_save ); |
| 112 | |
| 113 | return rest_ensure_response( |
| 114 | array( |
| 115 | 'enabled' => (bool) $enable, |
| 116 | ) |
| 117 | ); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Checks if a given request has access to get the related posts. |
| 122 | * |
| 123 | * @since 4.7.0 |
| 124 | * |
| 125 | * @param WP_REST_Request $request Full details about the request. |
| 126 | * @return bool|WP_Error True if the request has read access for the related posts, WP_Error object or false otherwise. |
| 127 | */ |
| 128 | public function get_related_posts_permissions_check( $request ) { |
| 129 | $post = $this->get_post( $request['id'] ); |
| 130 | if ( is_wp_error( $post ) ) { |
| 131 | return $post; |
| 132 | } |
| 133 | |
| 134 | if ( ! current_user_can( 'edit_post', $post->ID ) ) { |
| 135 | return new WP_Error( |
| 136 | 'rest_forbidden_context', |
| 137 | __( 'Sorry, you are not allowed to get the related post.', 'jetpack' ), |
| 138 | array( 'status' => rest_authorization_required_code() ) |
| 139 | ); |
| 140 | } |
| 141 | |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Get the related posts |
| 147 | * |
| 148 | * @param WP_REST_Request $request Full data about the request. |
| 149 | * @return WP_REST_Response Array The related posts |
| 150 | */ |
| 151 | public function get_related_posts( $request ) { |
| 152 | $post = $this->get_post( $request['id'] ); |
| 153 | if ( is_wp_error( $post ) ) { |
| 154 | return $post; |
| 155 | } |
| 156 | |
| 157 | if ( ! class_exists( 'Jetpack_RelatedPosts' ) ) { |
| 158 | require_once JETPACK__PLUGIN_DIR . 'modules/related-posts/jetpack-related-posts.php'; |
| 159 | } |
| 160 | $related_posts = \Jetpack_RelatedPosts::init()->get_for_post_id( $post->ID, array( 'size' => 6 ) ); |
| 161 | return rest_ensure_response( $related_posts ); |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * Gets the post, if the ID is valid. |
| 166 | * |
| 167 | * @param int $id Supplied ID. |
| 168 | * @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise. |
| 169 | */ |
| 170 | public function get_post( $id ) { |
| 171 | $error = new WP_Error( |
| 172 | 'rest_post_invalid_id', |
| 173 | __( 'Invalid post ID.', 'jetpack' ), |
| 174 | array( 'status' => 404 ) |
| 175 | ); |
| 176 | |
| 177 | if ( (int) $id <= 0 ) { |
| 178 | return $error; |
| 179 | } |
| 180 | |
| 181 | $post = get_post( (int) $id ); |
| 182 | if ( empty( $post ) || empty( $post->ID ) ) { |
| 183 | return $error; |
| 184 | } |
| 185 | |
| 186 | return $post; |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | wpcom_rest_api_v2_load_plugin( 'WPCOM_REST_API_V2_Endpoint_Related_Posts' ); |