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| 1 | <?php |
| 2 | /** |
| 3 | * Term relationships sync module. |
| 4 | * |
| 5 | * @package automattic/jetpack-sync |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Sync\Modules; |
| 9 | |
| 10 | use Automattic\Jetpack\Sync\Listener; |
| 11 | use Automattic\Jetpack\Sync\Settings; |
| 12 | |
| 13 | if ( ! defined( 'ABSPATH' ) ) { |
| 14 | exit( 0 ); |
| 15 | } |
| 16 | |
| 17 | /** |
| 18 | * Class to handle sync for term relationships. |
| 19 | */ |
| 20 | class Term_Relationships extends Module { |
| 21 | |
| 22 | /** |
| 23 | * Max terms to return in one single query |
| 24 | * |
| 25 | * @access public |
| 26 | * |
| 27 | * @const int |
| 28 | */ |
| 29 | const QUERY_LIMIT = 1000; |
| 30 | |
| 31 | /** |
| 32 | * Max value for a signed INT in MySQL - https://dev.mysql.com/doc/refman/8.0/en/integer-types.html |
| 33 | * |
| 34 | * @access public |
| 35 | * |
| 36 | * @const int |
| 37 | */ |
| 38 | const MAX_INT = 2147483647; |
| 39 | |
| 40 | /** |
| 41 | * Sync module name. |
| 42 | * |
| 43 | * @access public |
| 44 | * |
| 45 | * @return string |
| 46 | */ |
| 47 | public function name() { |
| 48 | return 'term_relationships'; |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * The id field in the database. |
| 53 | * |
| 54 | * @access public |
| 55 | * |
| 56 | * @return string |
| 57 | */ |
| 58 | public function id_field() { |
| 59 | return 'object_id'; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * The table name. |
| 64 | * |
| 65 | * @access public |
| 66 | * |
| 67 | * @return string |
| 68 | * @deprecated since 3.11.0 Use table() instead. |
| 69 | */ |
| 70 | public function table_name() { |
| 71 | _deprecated_function( __METHOD__, '3.11.0', 'Automattic\\Jetpack\\Sync\\Term_Relationships->table' ); |
| 72 | return 'term_relationships'; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * The table in the database with the prefix. |
| 77 | * |
| 78 | * @access public |
| 79 | * |
| 80 | * @return string|bool |
| 81 | */ |
| 82 | public function table() { |
| 83 | global $wpdb; |
| 84 | return $wpdb->term_relationships; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Initialize term relationships action listeners for full sync. |
| 89 | * |
| 90 | * @access public |
| 91 | * |
| 92 | * @param callable $callable Action handler callable. |
| 93 | */ |
| 94 | public function init_full_sync_listeners( $callable ) { |
| 95 | add_action( 'jetpack_full_sync_term_relationships', $callable, 10, 2 ); |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Initialize the module in the sender. |
| 100 | * |
| 101 | * @access public |
| 102 | */ |
| 103 | public function init_before_send() { |
| 104 | // Full sync. |
| 105 | add_filter( 'jetpack_sync_before_send_jetpack_full_sync_term_relationships', array( $this, 'expand_term_relationships' ) ); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Enqueue the term relationships actions for full sync. |
| 110 | * |
| 111 | * @access public |
| 112 | * |
| 113 | * @param array $config Full sync configuration for this sync module. |
| 114 | * @param int $max_items_to_enqueue Maximum number of items to enqueue. |
| 115 | * @param object $last_object_enqueued Last object enqueued. |
| 116 | * |
| 117 | * @return array Number of actions enqueued, and next module state. |
| 118 | * @todo This method has similarities with Automattic\Jetpack\Sync\Modules\Module::enqueue_all_ids_as_action. Refactor to keep DRY. |
| 119 | * @see Automattic\Jetpack\Sync\Modules\Module::enqueue_all_ids_as_action |
| 120 | */ |
| 121 | public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $last_object_enqueued ) { |
| 122 | global $wpdb; |
| 123 | $term_relationships_full_sync_item_size = Settings::get_setting( 'term_relationships_full_sync_item_size' ); |
| 124 | $limit = min( $max_items_to_enqueue * $term_relationships_full_sync_item_size, self::QUERY_LIMIT ); |
| 125 | $items_enqueued_count = 0; |
| 126 | $last_object_enqueued = $last_object_enqueued ? $last_object_enqueued : array( |
| 127 | 'object_id' => self::MAX_INT, |
| 128 | 'term_taxonomy_id' => self::MAX_INT, |
| 129 | ); |
| 130 | |
| 131 | while ( $limit > 0 ) { |
| 132 | /* |
| 133 | * SELECT object_id, term_taxonomy_id |
| 134 | * FROM $wpdb->term_relationships |
| 135 | * WHERE ( object_id = 11 AND term_taxonomy_id < 14 ) OR ( object_id < 11 ) |
| 136 | * ORDER BY object_id DESC, term_taxonomy_id DESC LIMIT 1000 |
| 137 | */ |
| 138 | $objects = $wpdb->get_results( $wpdb->prepare( "SELECT object_id, term_taxonomy_id FROM $wpdb->term_relationships WHERE ( object_id = %d AND term_taxonomy_id < %d ) OR ( object_id < %d ) ORDER BY object_id DESC, term_taxonomy_id DESC LIMIT %d", $last_object_enqueued['object_id'], $last_object_enqueued['term_taxonomy_id'], $last_object_enqueued['object_id'], $limit ), ARRAY_A ); |
| 139 | // Request term relationships in groups of N for efficiency. |
| 140 | if ( ! is_countable( $objects ) || count( $objects ) === 0 ) { |
| 141 | return array( $items_enqueued_count, true ); |
| 142 | } |
| 143 | $objects_count = count( $objects ); |
| 144 | $items = array_chunk( $objects, $term_relationships_full_sync_item_size ); |
| 145 | $last_object_enqueued = $this->bulk_enqueue_full_sync_term_relationships( $items, $last_object_enqueued ); |
| 146 | $items_enqueued_count += count( $items ); |
| 147 | $limit = min( $limit - $objects_count, self::QUERY_LIMIT ); |
| 148 | } |
| 149 | |
| 150 | // We need to do this extra check in case $max_items_to_enqueue * $term_relationships_full_sync_item_size == relationships objects left. |
| 151 | $count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE ( object_id = %d AND term_taxonomy_id < %d ) OR ( object_id < %d ) ORDER BY object_id DESC, term_taxonomy_id DESC LIMIT %d", $last_object_enqueued['object_id'], $last_object_enqueued['term_taxonomy_id'], $last_object_enqueued['object_id'], 1 ) ); |
| 152 | if ( 0 === (int) $count ) { |
| 153 | return array( $items_enqueued_count, true ); |
| 154 | } |
| 155 | |
| 156 | return array( $items_enqueued_count, $last_object_enqueued ); |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Return the initial last sent object. |
| 161 | * |
| 162 | * @return string|array initial status. |
| 163 | */ |
| 164 | public function get_initial_last_sent() { |
| 165 | return array( |
| 166 | 'object_id' => self::MAX_INT, |
| 167 | 'term_taxonomy_id' => self::MAX_INT, |
| 168 | ); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Given the Module Full Sync Configuration and Status return the next chunk of items to send. |
| 173 | * |
| 174 | * @param array $config This module Full Sync configuration. |
| 175 | * @param array $status This module Full Sync status. |
| 176 | * @param int $chunk_size Chunk size. |
| 177 | * |
| 178 | * @return array|object|null |
| 179 | */ |
| 180 | public function get_next_chunk( $config, $status, $chunk_size ) { |
| 181 | global $wpdb; |
| 182 | |
| 183 | return $wpdb->get_results( |
| 184 | $wpdb->prepare( |
| 185 | "SELECT tr.object_id, tr.term_taxonomy_id |
| 186 | FROM $wpdb->term_relationships tr INNER JOIN $wpdb->term_taxonomy tt |
| 187 | ON tr.term_taxonomy_id=tt.term_taxonomy_id |
| 188 | WHERE " . |
| 189 | Settings::get_whitelisted_taxonomies_sql() // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 190 | . ' AND ( ( tr.object_id = %d AND tr.term_taxonomy_id < %d ) OR ( tr.object_id < %d ) ) |
| 191 | ORDER BY tr.object_id DESC, tr.term_taxonomy_id |
| 192 | DESC LIMIT %d', |
| 193 | $status['last_sent']['object_id'], |
| 194 | $status['last_sent']['term_taxonomy_id'], |
| 195 | $status['last_sent']['object_id'], |
| 196 | $chunk_size |
| 197 | ), |
| 198 | ARRAY_A |
| 199 | ); |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Return last_item to send for Module Full Sync Configuration. |
| 204 | * |
| 205 | * @param array $config This module Full Sync configuration. |
| 206 | * |
| 207 | * @return array|object|null |
| 208 | */ |
| 209 | public function get_last_item( $config ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 210 | global $wpdb; |
| 211 | // phpcs:ignore WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.DirectDatabaseQuery.DirectQuery |
| 212 | return $wpdb->get_results( |
| 213 | "SELECT object_id, term_taxonomy_id |
| 214 | FROM $wpdb->term_relationships |
| 215 | ORDER BY object_id , term_taxonomy_id |
| 216 | LIMIT 1", |
| 217 | ARRAY_A |
| 218 | ); |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * |
| 223 | * Enqueue all $items within `jetpack_full_sync_term_relationships` actions. |
| 224 | * |
| 225 | * @param array $items Groups of objects to sync. |
| 226 | * @param array $previous_interval_end Last item enqueued. |
| 227 | * |
| 228 | * @return array Last enqueued object. |
| 229 | */ |
| 230 | public function bulk_enqueue_full_sync_term_relationships( $items, $previous_interval_end ) { |
| 231 | $listener = Listener::get_instance(); |
| 232 | $items_with_previous_interval_end = $this->get_chunks_with_preceding_end( $items, $previous_interval_end ); |
| 233 | $listener->bulk_enqueue_full_sync_actions( 'jetpack_full_sync_term_relationships', $items_with_previous_interval_end ); |
| 234 | $last_item = end( $items ); |
| 235 | return end( $last_item ); |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * Retrieve an estimated number of actions that will be enqueued. |
| 240 | * |
| 241 | * @access public |
| 242 | * |
| 243 | * @param array $config Full sync configuration for this sync module. |
| 244 | * @return int Number of items yet to be enqueued. |
| 245 | */ |
| 246 | public function estimate_full_sync_actions( $config ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 247 | global $wpdb; |
| 248 | |
| 249 | $query = "SELECT COUNT(*) FROM $wpdb->term_relationships"; |
| 250 | |
| 251 | // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared,WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching |
| 252 | $count = (int) $wpdb->get_var( $query ); |
| 253 | |
| 254 | return (int) ceil( $count / Settings::get_setting( 'term_relationships_full_sync_item_size' ) ); |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * Retrieve the actions that will be sent for this module during a full sync. |
| 259 | * |
| 260 | * @access public |
| 261 | * |
| 262 | * @return array Full sync actions of this module. |
| 263 | */ |
| 264 | public function get_full_sync_actions() { |
| 265 | return array( 'jetpack_full_sync_term_relationships' ); |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * Expand the term relationships within a hook before they are serialized and sent to the server. |
| 270 | * |
| 271 | * @access public |
| 272 | * |
| 273 | * @param array $args The hook parameters. |
| 274 | * @return array $args The expanded hook parameters. |
| 275 | */ |
| 276 | public function expand_term_relationships( $args ) { |
| 277 | list( $term_relationships, $previous_end ) = $args; |
| 278 | |
| 279 | return array( |
| 280 | 'term_relationships' => $term_relationships, |
| 281 | 'previous_end' => $previous_end, |
| 282 | ); |
| 283 | } |
| 284 | } |