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| 1 | <?php |
| 2 | /** |
| 3 | * Posts REST route |
| 4 | * |
| 5 | * @package automattic/jetpack-import |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Import\Endpoints; |
| 9 | |
| 10 | use Automattic\Jetpack\Sync\Settings; |
| 11 | use WP_Error; |
| 12 | use WP_REST_Request; |
| 13 | use WP_REST_Response; |
| 14 | |
| 15 | if ( ! defined( 'ABSPATH' ) ) { |
| 16 | exit( 0 ); |
| 17 | } |
| 18 | |
| 19 | if ( ! function_exists( 'post_exists' ) ) { |
| 20 | require_once ABSPATH . 'wp-admin/includes/post.php'; |
| 21 | } |
| 22 | |
| 23 | /** |
| 24 | * Class Post |
| 25 | */ |
| 26 | class Post extends \WP_REST_Posts_Controller { |
| 27 | |
| 28 | /** |
| 29 | * Base class |
| 30 | */ |
| 31 | use Import; |
| 32 | |
| 33 | /** |
| 34 | * The Import ID add a new item to the schema. |
| 35 | */ |
| 36 | use Import_ID; |
| 37 | |
| 38 | /** |
| 39 | * Whether the controller supports batching. |
| 40 | * |
| 41 | * @var array |
| 42 | */ |
| 43 | protected $allow_batch = array( 'v1' => true ); |
| 44 | |
| 45 | /** |
| 46 | * Constructor. |
| 47 | * |
| 48 | * @param string $post_type Post type. |
| 49 | */ |
| 50 | public function __construct( $post_type = 'post' ) { |
| 51 | parent::__construct( $post_type ); |
| 52 | |
| 53 | // @see add_post_meta |
| 54 | $this->import_id_meta_type = $post_type; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Adds the schema from additional fields to a schema array. |
| 59 | * |
| 60 | * The type of object is inferred from the passed schema. |
| 61 | * |
| 62 | * @param array $schema Schema array. |
| 63 | * @return array Modified Schema array. |
| 64 | */ |
| 65 | public function add_additional_fields_schema( $schema ) { |
| 66 | // WXR saves terms as slugs, so we need to overwrite the schema. |
| 67 | $schema['properties']['categories']['items']['type'] = 'string'; |
| 68 | $schema['properties']['tags']['items']['type'] = 'string'; |
| 69 | |
| 70 | // Add the import unique ID to the schema. |
| 71 | return $this->add_unique_identifier_to_schema( $schema ); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Creates a single post. |
| 76 | * |
| 77 | * @param WP_REST_Request $request Full details about the request. |
| 78 | * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 79 | */ |
| 80 | public function create_item( $request ) { |
| 81 | // Set the WP_IMPORTING constant to prevent sync notifications |
| 82 | $this->set_importing(); |
| 83 | |
| 84 | // Skip if the post already exists. |
| 85 | $post_id = \post_exists( |
| 86 | $request['title'], |
| 87 | '', |
| 88 | $request['date'], |
| 89 | $this->post_type, |
| 90 | $request['status'] |
| 91 | ); |
| 92 | |
| 93 | if ( $post_id ) { |
| 94 | return new WP_Error( |
| 95 | 'post_exists', |
| 96 | __( 'Cannot create existing post.', 'jetpack-import' ), |
| 97 | array( |
| 98 | 'status' => 409, |
| 99 | 'post_id' => $post_id, |
| 100 | ) |
| 101 | ); |
| 102 | } |
| 103 | |
| 104 | // WXR saves terms as slugs, so we need to convert them to IDs before send the data to the legacy endpoint. |
| 105 | foreach ( array( 'categories', 'tags' ) as $taxonomy ) { |
| 106 | $request[ $taxonomy ] = $this->extract_terms_ids( $request, $taxonomy ); |
| 107 | } |
| 108 | |
| 109 | $response = parent::create_item( $request ); |
| 110 | |
| 111 | // Process post metadata. |
| 112 | if ( ! is_wp_error( $response ) && isset( $response->data ) && isset( $response->data['id'] ) ) { |
| 113 | $this->process_post_meta( $response->data['id'], $request ); |
| 114 | } |
| 115 | |
| 116 | return $this->add_import_id_metadata( $request, $response ); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Extract terms IDs from slugs. |
| 121 | * |
| 122 | * @param WP_REST_Request $request Full details about the request. |
| 123 | * @param string $taxonomy Taxonomy name. |
| 124 | * @return array List of terms IDs. |
| 125 | */ |
| 126 | protected function extract_terms_ids( $request, $taxonomy ) { |
| 127 | $ret = is_array( $request[ $taxonomy ] ) ? $request[ $taxonomy ] : array(); |
| 128 | |
| 129 | if ( ! count( $ret ) ) { |
| 130 | return $ret; |
| 131 | } |
| 132 | |
| 133 | $taxonomy_name = $taxonomy === 'tags' ? 'post_tag' : 'category'; |
| 134 | |
| 135 | // Extract the terms by ID. |
| 136 | $ids = $this->get_term_ids_from_slugs( $ret, $taxonomy_name ); |
| 137 | |
| 138 | // Create missing terms and add their IDs to the $ids array. |
| 139 | $ids = $this->create_missing_terms( $ret, $ids, $taxonomy_name ); |
| 140 | |
| 141 | if ( is_array( $ids ) ) { |
| 142 | return $ids; |
| 143 | } else { |
| 144 | // Flush away any invalid terms. |
| 145 | return array(); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Processes the metadata of a WordPress post when creating it. |
| 151 | * |
| 152 | * @param int $post_id The post ID. |
| 153 | * @param mixed $request An object containing the metadata being added to the post. |
| 154 | * @return void |
| 155 | */ |
| 156 | public function process_post_meta( $post_id, $request ) { |
| 157 | $metas = $request->get_param( 'meta' ); |
| 158 | |
| 159 | if ( empty( $metas ) ) { |
| 160 | return; |
| 161 | } |
| 162 | |
| 163 | $meta_keys_array = $this->filter_post_meta_keys( $metas ); |
| 164 | // Adding it to the whitelist |
| 165 | Settings::update_settings( array( 'post_meta_whitelist' => $meta_keys_array ) ); |
| 166 | |
| 167 | if ( is_array( $metas ) ) { |
| 168 | foreach ( $metas as $meta_key => $meta_value ) { |
| 169 | |
| 170 | $meta_value = maybe_unserialize( $meta_value ); |
| 171 | if ( $meta_key === '_edit_last' ) { |
| 172 | update_post_meta( $post_id, $meta_key, $meta_value ); |
| 173 | } else { |
| 174 | // Add the meta data to the post |
| 175 | add_post_meta( $post_id, $meta_key, $meta_value ); |
| 176 | } |
| 177 | |
| 178 | do_action( 'import_post_meta', $post_id, $meta_key, $meta_value ); |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * Filters an array of post meta keys. |
| 185 | * |
| 186 | * @param array $metas An array of metas to filter. |
| 187 | * @return array The filtered array of meta keys. |
| 188 | */ |
| 189 | private function filter_post_meta_keys( $metas ) { |
| 190 | // Convert array of keys to a plain array of key strings |
| 191 | $meta_keys = array_unique( array_keys( $metas ) ); |
| 192 | // // Filter the array by removing the excluded keys and any keys that include '_oembed' |
| 193 | $filtered_keys = array_filter( |
| 194 | $meta_keys, |
| 195 | function ( $key ) { |
| 196 | // We also don't want to include any oembed post meta because it gets created after a post created |
| 197 | return ! str_contains( $key, '_oembed' ); |
| 198 | } |
| 199 | ); |
| 200 | // Return the filtered array |
| 201 | return $filtered_keys; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Get term IDs from slugs. |
| 206 | * |
| 207 | * @param array $term_slugs Array of term slugs. |
| 208 | * @param string $taxonomy_name Taxonomy name. |
| 209 | * |
| 210 | * @return array Array of term IDs. |
| 211 | */ |
| 212 | protected function get_term_ids_from_slugs( $term_slugs, $taxonomy_name ) { |
| 213 | // @phan-suppress-next-line PhanAccessMethodInternal @phan-suppress-current-line UnusedSuppression -- Fixed in WP 6.9, but then we need a suppression for the WP 6.8 compat run. @todo Remove this suppression when we drop WP <6.9. |
| 214 | return get_terms( |
| 215 | array( |
| 216 | 'fields' => 'ids', |
| 217 | 'hide_empty' => false, |
| 218 | 'slug' => $term_slugs, |
| 219 | 'taxonomy' => $taxonomy_name, |
| 220 | ) |
| 221 | ); |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * Create any missing terms in the given taxonomy. |
| 226 | * |
| 227 | * @param array $term_slugs The slugs of the terms to check for. |
| 228 | * @param array $existing_ids The IDs of any terms that already exist. |
| 229 | * @param string $taxonomy_name The name of the taxonomy. |
| 230 | * |
| 231 | * @return array The IDs of any terms that are now in the taxonomy. |
| 232 | */ |
| 233 | protected function create_missing_terms( $term_slugs, $existing_ids, $taxonomy_name ) { |
| 234 | $ids = $existing_ids; |
| 235 | |
| 236 | foreach ( $term_slugs as $term_slug ) { |
| 237 | if ( ! term_exists( $term_slug, $taxonomy_name ) ) { |
| 238 | $term_name = $this->slug_to_readable_name( $term_slug ); |
| 239 | $new_term = wp_insert_term( $term_name, $taxonomy_name, array( 'slug' => $term_slug ) ); |
| 240 | if ( ! is_wp_error( $new_term ) && isset( $new_term['term_id'] ) ) { |
| 241 | $ids[] = $new_term['term_id']; |
| 242 | } |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | return $ids; |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Convert a slug to a readable name. |
| 251 | * |
| 252 | * @param string $slug Slug to convert. |
| 253 | * @return string Converted name. |
| 254 | */ |
| 255 | protected function slug_to_readable_name( $slug ) { |
| 256 | $name = str_replace( array( '-', '_' ), ' ', $slug ); |
| 257 | $name = ucwords( $name ); |
| 258 | return $name; |
| 259 | } |
| 260 | } |