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757 lines
23 KiB
757 lines
23 KiB
<?php |
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/** |
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* REST API: WP_REST_Revisions_Controller class |
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* |
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* @package WordPress |
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* @subpackage REST_API |
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* @since 4.7.0 |
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*/ |
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|
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/** |
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* Core class used to access revisions via the REST API. |
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* |
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* @since 4.7.0 |
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* |
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* @see WP_REST_Controller |
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*/ |
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class WP_REST_Revisions_Controller extends WP_REST_Controller { |
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/** |
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* Parent post type. |
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* |
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* @since 4.7.0 |
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* @var string |
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*/ |
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private $parent_post_type; |
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/** |
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* Parent controller. |
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* |
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* @since 4.7.0 |
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* @var WP_REST_Controller |
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*/ |
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private $parent_controller; |
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/** |
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* The base of the parent controller's route. |
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* |
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* @since 4.7.0 |
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* @var string |
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*/ |
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private $parent_base; |
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/** |
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* Constructor. |
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* |
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* @since 4.7.0 |
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* |
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* @param string $parent_post_type Post type of the parent. |
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*/ |
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public function __construct( $parent_post_type ) { |
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$this->parent_post_type = $parent_post_type; |
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$this->parent_controller = new WP_REST_Posts_Controller( $parent_post_type ); |
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$this->namespace = 'wp/v2'; |
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$this->rest_base = 'revisions'; |
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$post_type_object = get_post_type_object( $parent_post_type ); |
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$this->parent_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name; |
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} |
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/** |
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* Registers routes for revisions based on post types supporting revisions. |
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* |
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* @since 4.7.0 |
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* |
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* @see register_rest_route() |
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*/ |
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public function register_routes() { |
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register_rest_route( $this->namespace, '/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base, array( |
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'args' => array( |
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'parent' => array( |
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'description' => __( 'The ID for the parent of the object.' ), |
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'type' => 'integer', |
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), |
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), |
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array( |
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'methods' => WP_REST_Server::READABLE, |
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'callback' => array( $this, 'get_items' ), |
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'permission_callback' => array( $this, 'get_items_permissions_check' ), |
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'args' => $this->get_collection_params(), |
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), |
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'schema' => array( $this, 'get_public_item_schema' ), |
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) ); |
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register_rest_route( $this->namespace, '/' . $this->parent_base . '/(?P<parent>[\d]+)/' . $this->rest_base . '/(?P<id>[\d]+)', array( |
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'args' => array( |
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'parent' => array( |
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'description' => __( 'The ID for the parent of the object.' ), |
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'type' => 'integer', |
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), |
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'id' => array( |
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'description' => __( 'Unique identifier for the object.' ), |
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'type' => 'integer', |
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), |
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), |
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array( |
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'methods' => WP_REST_Server::READABLE, |
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'callback' => array( $this, 'get_item' ), |
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'permission_callback' => array( $this, 'get_item_permissions_check' ), |
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'args' => array( |
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'context' => $this->get_context_param( array( 'default' => 'view' ) ), |
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), |
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), |
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array( |
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'methods' => WP_REST_Server::DELETABLE, |
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'callback' => array( $this, 'delete_item' ), |
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'permission_callback' => array( $this, 'delete_item_permissions_check' ), |
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'args' => array( |
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'force' => array( |
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'type' => 'boolean', |
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'default' => false, |
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'description' => __( 'Required to be true, as revisions do not support trashing.' ), |
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), |
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), |
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), |
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'schema' => array( $this, 'get_public_item_schema' ), |
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)); |
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} |
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/** |
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* Get the parent post, if the ID is valid. |
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* |
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* @since 4.7.2 |
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* |
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* @param int $id Supplied ID. |
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* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise. |
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*/ |
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protected function get_parent( $parent ) { |
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$error = new WP_Error( 'rest_post_invalid_parent', __( 'Invalid post parent ID.' ), array( 'status' => 404 ) ); |
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if ( (int) $parent <= 0 ) { |
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return $error; |
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} |
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$parent = get_post( (int) $parent ); |
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if ( empty( $parent ) || empty( $parent->ID ) || $this->parent_post_type !== $parent->post_type ) { |
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return $error; |
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} |
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return $parent; |
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} |
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/** |
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* Checks if a given request has access to get revisions. |
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* |
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* @since 4.7.0 |
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* |
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* @param WP_REST_Request $request Full data about the request. |
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise. |
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*/ |
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public function get_items_permissions_check( $request ) { |
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$parent = $this->get_parent( $request['parent'] ); |
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if ( is_wp_error( $parent ) ) { |
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return $parent; |
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} |
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$parent_post_type_obj = get_post_type_object( $parent->post_type ); |
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if ( ! current_user_can( $parent_post_type_obj->cap->edit_post, $parent->ID ) ) { |
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return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to view revisions of this post.' ), array( 'status' => rest_authorization_required_code() ) ); |
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} |
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return true; |
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} |
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/** |
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* Get the revision, if the ID is valid. |
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* |
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* @since 4.7.2 |
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* |
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* @param int $id Supplied ID. |
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* @return WP_Post|WP_Error Revision post object if ID is valid, WP_Error otherwise. |
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*/ |
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protected function get_revision( $id ) { |
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$error = new WP_Error( 'rest_post_invalid_id', __( 'Invalid revision ID.' ), array( 'status' => 404 ) ); |
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if ( (int) $id <= 0 ) { |
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return $error; |
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} |
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$revision = get_post( (int) $id ); |
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if ( empty( $revision ) || empty( $revision->ID ) || 'revision' !== $revision->post_type ) { |
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return $error; |
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} |
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return $revision; |
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} |
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/** |
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* Gets a collection of revisions. |
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* |
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* @since 4.7.0 |
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* |
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* @param WP_REST_Request $request Full data about the request. |
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
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*/ |
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public function get_items( $request ) { |
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$parent = $this->get_parent( $request['parent'] ); |
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if ( is_wp_error( $parent ) ) { |
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return $parent; |
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} |
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// Ensure a search string is set in case the orderby is set to 'relevance'. |
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if ( ! empty( $request['orderby'] ) && 'relevance' === $request['orderby'] && empty( $request['search'] ) ) { |
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return new WP_Error( 'rest_no_search_term_defined', __( 'You need to define a search term to order by relevance.' ), array( 'status' => 400 ) ); |
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} |
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// Ensure an include parameter is set in case the orderby is set to 'include'. |
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if ( ! empty( $request['orderby'] ) && 'include' === $request['orderby'] && empty( $request['include'] ) ) { |
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return new WP_Error( 'rest_orderby_include_missing_include', __( 'You need to define an include parameter to order by include.' ), array( 'status' => 400 ) ); |
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} |
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if ( wp_revisions_enabled( $parent ) ) { |
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$registered = $this->get_collection_params(); |
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$args = array( |
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'post_parent' => $parent->ID, |
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'post_type' => 'revision', |
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'post_status' => 'inherit', |
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'posts_per_page' => -1, |
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'orderby' => 'date ID', |
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'order' => 'DESC', |
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'suppress_filters' => true, |
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); |
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$parameter_mappings = array( |
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'exclude' => 'post__not_in', |
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'include' => 'post__in', |
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'offset' => 'offset', |
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'order' => 'order', |
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'orderby' => 'orderby', |
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'page' => 'paged', |
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'per_page' => 'posts_per_page', |
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'search' => 's', |
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); |
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foreach ( $parameter_mappings as $api_param => $wp_param ) { |
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if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) { |
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$args[ $wp_param ] = $request[ $api_param ]; |
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} |
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} |
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// For backward-compatibility, 'date' needs to resolve to 'date ID'. |
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if ( isset( $args['orderby'] ) && 'date' === $args['orderby'] ) { |
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$args['orderby'] = 'date ID'; |
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} |
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/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */ |
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$args = apply_filters( 'rest_revision_query', $args, $request ); |
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$query_args = $this->prepare_items_query( $args, $request ); |
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$revisions_query = new WP_Query(); |
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$revisions = $revisions_query->query( $query_args ); |
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$offset = isset( $query_args['offset'] ) ? (int) $query_args['offset'] : 0; |
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$page = (int) $query_args['paged']; |
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$total_revisions = $revisions_query->found_posts; |
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if ( $total_revisions < 1 ) { |
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// Out-of-bounds, run the query again without LIMIT for total count. |
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unset( $query_args['paged'], $query_args['offset'] ); |
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$count_query = new WP_Query(); |
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$count_query->query( $query_args ); |
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$total_revisions = $count_query->found_posts; |
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} |
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if ( $revisions_query->query_vars['posts_per_page'] > 0 ) { |
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$max_pages = ceil( $total_revisions / (int) $revisions_query->query_vars['posts_per_page'] ); |
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} else { |
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$max_pages = $total_revisions > 0 ? 1 : 0; |
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} |
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if ( $total_revisions > 0 ) { |
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if ( $offset >= $total_revisions ) { |
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return new WP_Error( 'rest_revision_invalid_offset_number', __( 'The offset number requested is larger than or equal to the number of available revisions.' ), array( 'status' => 400 ) ); |
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} elseif ( ! $offset && $page > $max_pages ) { |
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return new WP_Error( 'rest_revision_invalid_page_number', __( 'The page number requested is larger than the number of pages available.' ), array( 'status' => 400 ) ); |
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} |
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} |
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} else { |
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$revisions = array(); |
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$total_revisions = 0; |
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$max_pages = 0; |
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$page = (int) $request['page']; |
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} |
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$response = array(); |
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foreach ( $revisions as $revision ) { |
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$data = $this->prepare_item_for_response( $revision, $request ); |
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$response[] = $this->prepare_response_for_collection( $data ); |
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} |
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$response = rest_ensure_response( $response ); |
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$response->header( 'X-WP-Total', (int) $total_revisions ); |
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$response->header( 'X-WP-TotalPages', (int) $max_pages ); |
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$request_params = $request->get_query_params(); |
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$base = add_query_arg( $request_params, rest_url( sprintf( '%s/%s/%d/%s', $this->namespace, $this->parent_base, $request['parent'], $this->rest_base ) ) ); |
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if ( $page > 1 ) { |
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$prev_page = $page - 1; |
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if ( $prev_page > $max_pages ) { |
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$prev_page = $max_pages; |
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} |
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$prev_link = add_query_arg( 'page', $prev_page, $base ); |
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$response->link_header( 'prev', $prev_link ); |
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} |
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if ( $max_pages > $page ) { |
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$next_page = $page + 1; |
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$next_link = add_query_arg( 'page', $next_page, $base ); |
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$response->link_header( 'next', $next_link ); |
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} |
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return $response; |
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} |
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/** |
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* Checks if a given request has access to get a specific revision. |
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* |
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* @since 4.7.0 |
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* |
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* @param WP_REST_Request $request Full data about the request. |
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* @return bool|WP_Error True if the request has read access for the item, WP_Error object otherwise. |
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*/ |
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public function get_item_permissions_check( $request ) { |
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return $this->get_items_permissions_check( $request ); |
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} |
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/** |
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* Retrieves one revision from the collection. |
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* |
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* @since 4.7.0 |
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* |
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* @param WP_REST_Request $request Full data about the request. |
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
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*/ |
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public function get_item( $request ) { |
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$parent = $this->get_parent( $request['parent'] ); |
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if ( is_wp_error( $parent ) ) { |
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return $parent; |
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} |
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$revision = $this->get_revision( $request['id'] ); |
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if ( is_wp_error( $revision ) ) { |
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return $revision; |
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} |
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$response = $this->prepare_item_for_response( $revision, $request ); |
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return rest_ensure_response( $response ); |
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} |
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/** |
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* Checks if a given request has access to delete a revision. |
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* |
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* @since 4.7.0 |
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* |
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* @param WP_REST_Request $request Full details about the request. |
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* @return bool|WP_Error True if the request has access to delete the item, WP_Error object otherwise. |
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*/ |
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public function delete_item_permissions_check( $request ) { |
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$parent = $this->get_parent( $request['parent'] ); |
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if ( is_wp_error( $parent ) ) { |
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return $parent; |
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} |
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$revision = $this->get_revision( $request['id'] ); |
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if ( is_wp_error( $revision ) ) { |
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return $revision; |
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} |
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$response = $this->get_items_permissions_check( $request ); |
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if ( ! $response || is_wp_error( $response ) ) { |
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return $response; |
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} |
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$post_type = get_post_type_object( 'revision' ); |
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return current_user_can( $post_type->cap->delete_post, $revision->ID ); |
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} |
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/** |
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* Deletes a single revision. |
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* |
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* @since 4.7.0 |
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* |
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* @param WP_REST_Request $request Full details about the request. |
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* @return true|WP_Error True on success, or WP_Error object on failure. |
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*/ |
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public function delete_item( $request ) { |
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$revision = $this->get_revision( $request['id'] ); |
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if ( is_wp_error( $revision ) ) { |
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return $revision; |
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} |
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$force = isset( $request['force'] ) ? (bool) $request['force'] : false; |
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// We don't support trashing for revisions. |
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if ( ! $force ) { |
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/* translators: %s: force=true */ |
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return new WP_Error( 'rest_trash_not_supported', sprintf( __( "Revisions do not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) ); |
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} |
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$previous = $this->prepare_item_for_response( $revision, $request ); |
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$result = wp_delete_post( $request['id'], true ); |
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/** |
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* Fires after a revision is deleted via the REST API. |
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* |
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* @since 4.7.0 |
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* |
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* @param (mixed) $result The revision object (if it was deleted or moved to the trash successfully) |
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* or false (failure). If the revision was moved to the trash, $result represents |
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* its new state; if it was deleted, $result represents its state before deletion. |
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* @param WP_REST_Request $request The request sent to the API. |
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*/ |
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do_action( 'rest_delete_revision', $result, $request ); |
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if ( ! $result ) { |
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return new WP_Error( 'rest_cannot_delete', __( 'The post cannot be deleted.' ), array( 'status' => 500 ) ); |
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} |
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$response = new WP_REST_Response(); |
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$response->set_data( array( 'deleted' => true, 'previous' => $previous->get_data() ) ); |
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return $response; |
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} |
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/** |
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* Determines the allowed query_vars for a get_items() response and prepares |
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* them for WP_Query. |
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* |
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* @since 5.0.0 |
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* |
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* @param array $prepared_args Optional. Prepared WP_Query arguments. Default empty array. |
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* @param WP_REST_Request $request Optional. Full details about the request. |
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* @return array Items query arguments. |
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*/ |
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protected function prepare_items_query( $prepared_args = array(), $request = null ) { |
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$query_args = array(); |
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foreach ( $prepared_args as $key => $value ) { |
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/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */ |
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$query_args[ $key ] = apply_filters( "rest_query_var-{$key}", $value ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
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} |
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// Map to proper WP_Query orderby param. |
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if ( isset( $query_args['orderby'] ) && isset( $request['orderby'] ) ) { |
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$orderby_mappings = array( |
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'id' => 'ID', |
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'include' => 'post__in', |
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'slug' => 'post_name', |
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'include_slugs' => 'post_name__in', |
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); |
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if ( isset( $orderby_mappings[ $request['orderby'] ] ) ) { |
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$query_args['orderby'] = $orderby_mappings[ $request['orderby'] ]; |
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} |
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} |
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return $query_args; |
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} |
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/** |
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* Prepares the revision for the REST response. |
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* |
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* @since 4.7.0 |
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* |
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* @param WP_Post $post Post revision object. |
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* @param WP_REST_Request $request Request object. |
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* @return WP_REST_Response Response object. |
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*/ |
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public function prepare_item_for_response( $post, $request ) { |
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$GLOBALS['post'] = $post; |
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|
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setup_postdata( $post ); |
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|
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$fields = $this->get_fields_for_response( $request ); |
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$data = array(); |
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|
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if ( in_array( 'author', $fields, true ) ) { |
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$data['author'] = (int) $post->post_author; |
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} |
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|
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if ( in_array( 'date', $fields, true ) ) { |
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$data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date ); |
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} |
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|
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if ( in_array( 'date_gmt', $fields, true ) ) { |
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$data['date_gmt'] = $this->prepare_date_response( $post->post_date_gmt ); |
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} |
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|
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if ( in_array( 'id', $fields, true ) ) { |
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$data['id'] = $post->ID; |
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} |
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|
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if ( in_array( 'modified', $fields, true ) ) { |
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$data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified ); |
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} |
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|
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if ( in_array( 'modified_gmt', $fields, true ) ) { |
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$data['modified_gmt'] = $this->prepare_date_response( $post->post_modified_gmt ); |
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} |
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|
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if ( in_array( 'parent', $fields, true ) ) { |
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$data['parent'] = (int) $post->post_parent; |
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} |
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|
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if ( in_array( 'slug', $fields, true ) ) { |
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$data['slug'] = $post->post_name; |
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} |
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|
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if ( in_array( 'guid', $fields, true ) ) { |
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$data['guid'] = array( |
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/** This filter is documented in wp-includes/post-template.php */ |
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'rendered' => apply_filters( 'get_the_guid', $post->guid, $post->ID ), |
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'raw' => $post->guid, |
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); |
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} |
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|
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if ( in_array( 'title', $fields, true ) ) { |
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$data['title'] = array( |
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'raw' => $post->post_title, |
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'rendered' => get_the_title( $post->ID ), |
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); |
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} |
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|
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if ( in_array( 'content', $fields, true ) ) { |
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|
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$data['content'] = array( |
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'raw' => $post->post_content, |
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/** This filter is documented in wp-includes/post-template.php */ |
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'rendered' => apply_filters( 'the_content', $post->post_content ), |
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); |
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} |
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|
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if ( in_array( 'excerpt', $fields, true ) ) { |
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$data['excerpt'] = array( |
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'raw' => $post->post_excerpt, |
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'rendered' => $this->prepare_excerpt_response( $post->post_excerpt, $post ), |
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); |
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} |
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|
|
$context = ! empty( $request['context'] ) ? $request['context'] : 'view'; |
|
$data = $this->add_additional_fields_to_object( $data, $request ); |
|
$data = $this->filter_response_by_context( $data, $context ); |
|
$response = rest_ensure_response( $data ); |
|
|
|
if ( ! empty( $data['parent'] ) ) { |
|
$response->add_link( 'parent', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->parent_base, $data['parent'] ) ) ); |
|
} |
|
|
|
/** |
|
* Filters a revision returned from the API. |
|
* |
|
* Allows modification of the revision right before it is returned. |
|
* |
|
* @since 4.7.0 |
|
* |
|
* @param WP_REST_Response $response The response object. |
|
* @param WP_Post $post The original revision object. |
|
* @param WP_REST_Request $request Request used to generate the response. |
|
*/ |
|
return apply_filters( 'rest_prepare_revision', $response, $post, $request ); |
|
} |
|
|
|
/** |
|
* Checks the post_date_gmt or modified_gmt and prepare any post or |
|
* modified date for single post output. |
|
* |
|
* @since 4.7.0 |
|
* |
|
* @param string $date_gmt GMT publication time. |
|
* @param string|null $date Optional. Local publication time. Default null. |
|
* @return string|null ISO8601/RFC3339 formatted datetime, otherwise null. |
|
*/ |
|
protected function prepare_date_response( $date_gmt, $date = null ) { |
|
if ( '0000-00-00 00:00:00' === $date_gmt ) { |
|
return null; |
|
} |
|
|
|
if ( isset( $date ) ) { |
|
return mysql_to_rfc3339( $date ); |
|
} |
|
|
|
return mysql_to_rfc3339( $date_gmt ); |
|
} |
|
|
|
/** |
|
* Retrieves the revision's schema, conforming to JSON Schema. |
|
* |
|
* @since 4.7.0 |
|
* |
|
* @return array Item schema data. |
|
*/ |
|
public function get_item_schema() { |
|
$schema = array( |
|
'$schema' => 'http://json-schema.org/draft-04/schema#', |
|
'title' => "{$this->parent_post_type}-revision", |
|
'type' => 'object', |
|
// Base properties for every Revision. |
|
'properties' => array( |
|
'author' => array( |
|
'description' => __( 'The ID for the author of the object.' ), |
|
'type' => 'integer', |
|
'context' => array( 'view', 'edit', 'embed' ), |
|
), |
|
'date' => array( |
|
'description' => __( "The date the object was published, in the site's timezone." ), |
|
'type' => 'string', |
|
'format' => 'date-time', |
|
'context' => array( 'view', 'edit', 'embed' ), |
|
), |
|
'date_gmt' => array( |
|
'description' => __( 'The date the object was published, as GMT.' ), |
|
'type' => 'string', |
|
'format' => 'date-time', |
|
'context' => array( 'view', 'edit' ), |
|
), |
|
'guid' => array( |
|
'description' => __( 'GUID for the object, as it exists in the database.' ), |
|
'type' => 'string', |
|
'context' => array( 'view', 'edit' ), |
|
), |
|
'id' => array( |
|
'description' => __( 'Unique identifier for the object.' ), |
|
'type' => 'integer', |
|
'context' => array( 'view', 'edit', 'embed' ), |
|
), |
|
'modified' => array( |
|
'description' => __( "The date the object was last modified, in the site's timezone." ), |
|
'type' => 'string', |
|
'format' => 'date-time', |
|
'context' => array( 'view', 'edit' ), |
|
), |
|
'modified_gmt' => array( |
|
'description' => __( 'The date the object was last modified, as GMT.' ), |
|
'type' => 'string', |
|
'format' => 'date-time', |
|
'context' => array( 'view', 'edit' ), |
|
), |
|
'parent' => array( |
|
'description' => __( 'The ID for the parent of the object.' ), |
|
'type' => 'integer', |
|
'context' => array( 'view', 'edit', 'embed' ), |
|
), |
|
'slug' => array( |
|
'description' => __( 'An alphanumeric identifier for the object unique to its type.' ), |
|
'type' => 'string', |
|
'context' => array( 'view', 'edit', 'embed' ), |
|
), |
|
), |
|
); |
|
|
|
$parent_schema = $this->parent_controller->get_item_schema(); |
|
|
|
if ( ! empty( $parent_schema['properties']['title'] ) ) { |
|
$schema['properties']['title'] = $parent_schema['properties']['title']; |
|
} |
|
|
|
if ( ! empty( $parent_schema['properties']['content'] ) ) { |
|
$schema['properties']['content'] = $parent_schema['properties']['content']; |
|
} |
|
|
|
if ( ! empty( $parent_schema['properties']['excerpt'] ) ) { |
|
$schema['properties']['excerpt'] = $parent_schema['properties']['excerpt']; |
|
} |
|
|
|
if ( ! empty( $parent_schema['properties']['guid'] ) ) { |
|
$schema['properties']['guid'] = $parent_schema['properties']['guid']; |
|
} |
|
|
|
return $this->add_additional_fields_schema( $schema ); |
|
} |
|
|
|
/** |
|
* Retrieves the query params for collections. |
|
* |
|
* @since 4.7.0 |
|
* |
|
* @return array Collection parameters. |
|
*/ |
|
public function get_collection_params() { |
|
$query_params = parent::get_collection_params(); |
|
|
|
$query_params['context']['default'] = 'view'; |
|
|
|
unset( $query_params['per_page']['default'] ); |
|
|
|
$query_params['exclude'] = array( |
|
'description' => __( 'Ensure result set excludes specific IDs.' ), |
|
'type' => 'array', |
|
'items' => array( |
|
'type' => 'integer', |
|
), |
|
'default' => array(), |
|
); |
|
|
|
$query_params['include'] = array( |
|
'description' => __( 'Limit result set to specific IDs.' ), |
|
'type' => 'array', |
|
'items' => array( |
|
'type' => 'integer', |
|
), |
|
'default' => array(), |
|
); |
|
|
|
$query_params['offset'] = array( |
|
'description' => __( 'Offset the result set by a specific number of items.' ), |
|
'type' => 'integer', |
|
); |
|
|
|
$query_params['order'] = array( |
|
'description' => __( 'Order sort attribute ascending or descending.' ), |
|
'type' => 'string', |
|
'default' => 'desc', |
|
'enum' => array( 'asc', 'desc' ), |
|
); |
|
|
|
$query_params['orderby'] = array( |
|
'description' => __( 'Sort collection by object attribute.' ), |
|
'type' => 'string', |
|
'default' => 'date', |
|
'enum' => array( |
|
'date', |
|
'id', |
|
'include', |
|
'relevance', |
|
'slug', |
|
'include_slugs', |
|
'title', |
|
), |
|
); |
|
|
|
return $query_params; |
|
} |
|
|
|
/** |
|
* Checks the post excerpt and prepare it for single post output. |
|
* |
|
* @since 4.7.0 |
|
* |
|
* @param string $excerpt The post excerpt. |
|
* @param WP_Post $post Post revision object. |
|
* @return string Prepared excerpt or empty string. |
|
*/ |
|
protected function prepare_excerpt_response( $excerpt, $post ) { |
|
|
|
/** This filter is documented in wp-includes/post-template.php */ |
|
$excerpt = apply_filters( 'the_excerpt', $excerpt, $post ); |
|
|
|
if ( empty( $excerpt ) ) { |
|
return ''; |
|
} |
|
|
|
return $excerpt; |
|
} |
|
}
|
|
|