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| 1 | <?php |
| 2 | /** |
| 3 | * Guideline Scopes REST API Controller. |
| 4 | * |
| 5 | * @package automattic/jetpack-knowledge |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Knowledge; |
| 9 | |
| 10 | use WP_Error; |
| 11 | use WP_REST_Controller; |
| 12 | use WP_REST_Request; |
| 13 | use WP_REST_Response; |
| 14 | use WP_REST_Server; |
| 15 | |
| 16 | if ( ! defined( 'ABSPATH' ) ) { |
| 17 | exit; |
| 18 | } |
| 19 | |
| 20 | /** |
| 21 | * REST controller for the guideline scopes registry. |
| 22 | */ |
| 23 | class Knowledge_Scopes_REST_Controller extends WP_REST_Controller { |
| 24 | |
| 25 | /** |
| 26 | * Constructor. |
| 27 | */ |
| 28 | public function __construct() { |
| 29 | $this->namespace = 'wp/v2'; |
| 30 | $this->rest_base = 'knowledge/guideline-scopes'; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * Registers the routes for the controller. |
| 35 | */ |
| 36 | public function register_routes() { |
| 37 | register_rest_route( |
| 38 | $this->namespace, |
| 39 | '/' . $this->rest_base, |
| 40 | array( |
| 41 | 0 => array( |
| 42 | 'methods' => WP_REST_Server::READABLE, |
| 43 | 'callback' => array( $this, 'get_items' ), |
| 44 | 'permission_callback' => array( $this, 'get_items_permissions_check' ), |
| 45 | ), |
| 46 | 'schema' => array( $this, 'get_public_item_schema' ), |
| 47 | ) |
| 48 | ); |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Checks whether the current user can read guideline scopes. |
| 53 | * |
| 54 | * Gated on the knowledge read capability, matching the data routes. |
| 55 | * |
| 56 | * @param WP_REST_Request $request Full details about the request. |
| 57 | * @return true|WP_Error True if the request has read access, WP_Error otherwise. |
| 58 | */ |
| 59 | public function get_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 60 | if ( ! current_user_can( 'read_knowledge_items' ) ) { |
| 61 | return new WP_Error( |
| 62 | 'rest_cannot_read', |
| 63 | __( 'Sorry, you are not allowed to view guideline scopes.', 'jetpack-knowledge' ), |
| 64 | array( 'status' => rest_authorization_required_code() ) |
| 65 | ); |
| 66 | } |
| 67 | |
| 68 | return true; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Retrieves all registered guideline scopes. |
| 73 | * |
| 74 | * Labels are resolved at request time (in the request locale). |
| 75 | * |
| 76 | * @param WP_REST_Request $request Full details about the request. |
| 77 | * @return WP_REST_Response Response object. |
| 78 | */ |
| 79 | public function get_items( $request ) { |
| 80 | $data = array(); |
| 81 | |
| 82 | foreach ( wp_guideline_scopes() as $slug => $scope ) { |
| 83 | $item = $this->prepare_item_for_response( array_merge( array( 'slug' => $slug ), $scope ), $request ); |
| 84 | $data[] = $this->prepare_response_for_collection( $item ); |
| 85 | } |
| 86 | |
| 87 | return rest_ensure_response( $data ); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Prepares a single scope for response. |
| 92 | * |
| 93 | * @param array $item Scope data with a `slug` key. |
| 94 | * @param WP_REST_Request $request Request object. |
| 95 | * @return WP_REST_Response Response object. |
| 96 | */ |
| 97 | public function prepare_item_for_response( $item, $request ) { |
| 98 | $fields = $this->get_fields_for_response( $request ); |
| 99 | $data = array(); |
| 100 | |
| 101 | if ( rest_is_field_included( 'slug', $fields ) ) { |
| 102 | $data['slug'] = $item['slug']; |
| 103 | } |
| 104 | if ( rest_is_field_included( 'title', $fields ) ) { |
| 105 | $data['title'] = $item['title'] ?? ''; |
| 106 | } |
| 107 | if ( rest_is_field_included( 'description', $fields ) ) { |
| 108 | $data['description'] = $item['description'] ?? ''; |
| 109 | } |
| 110 | if ( rest_is_field_included( 'order', $fields ) ) { |
| 111 | $data['order'] = (int) ( $item['order'] ?? 0 ); |
| 112 | } |
| 113 | |
| 114 | $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; |
| 115 | $data = $this->add_additional_fields_to_object( $data, $request ); |
| 116 | $data = $this->filter_response_by_context( $data, $context ); |
| 117 | |
| 118 | return rest_ensure_response( $data ); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Retrieves the scope schema, conforming to JSON Schema. |
| 123 | * |
| 124 | * @return array Item schema data. |
| 125 | */ |
| 126 | public function get_item_schema() { |
| 127 | if ( $this->schema ) { |
| 128 | return $this->add_additional_fields_schema( $this->schema ); |
| 129 | } |
| 130 | |
| 131 | $this->schema = array( |
| 132 | '$schema' => 'http://json-schema.org/draft-04/schema#', |
| 133 | 'title' => 'guideline-scope', |
| 134 | 'type' => 'object', |
| 135 | 'properties' => array( |
| 136 | 'slug' => array( |
| 137 | 'description' => __( 'A unique identifier for the scope.', 'jetpack-knowledge' ), |
| 138 | 'type' => 'string', |
| 139 | 'context' => array( 'view', 'edit', 'embed' ), |
| 140 | 'readonly' => true, |
| 141 | ), |
| 142 | 'title' => array( |
| 143 | 'description' => __( 'The title for the scope.', 'jetpack-knowledge' ), |
| 144 | 'type' => 'string', |
| 145 | 'context' => array( 'view', 'edit', 'embed' ), |
| 146 | 'readonly' => true, |
| 147 | ), |
| 148 | 'description' => array( |
| 149 | 'description' => __( 'A human-readable description of the scope.', 'jetpack-knowledge' ), |
| 150 | 'type' => 'string', |
| 151 | 'context' => array( 'view', 'edit', 'embed' ), |
| 152 | 'readonly' => true, |
| 153 | ), |
| 154 | 'order' => array( |
| 155 | 'description' => __( 'The sort order of the scope on the Settings page.', 'jetpack-knowledge' ), |
| 156 | 'type' => 'integer', |
| 157 | 'context' => array( 'view', 'edit', 'embed' ), |
| 158 | 'readonly' => true, |
| 159 | ), |
| 160 | ), |
| 161 | ); |
| 162 | |
| 163 | return $this->add_additional_fields_schema( $this->schema ); |
| 164 | } |
| 165 | } |