| 1 |
<?php |
| 2 |
/** |
| 3 |
* Weighting dashboard for ElasticPress |
| 4 |
* |
| 5 |
* @package elasticpress |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace ElasticPress\Feature\Search; |
| 9 |
|
| 10 |
use ElasticPress\Features; |
| 11 |
use ElasticPress\Utils; |
| 12 |
|
| 13 |
/** |
| 14 |
* Controls search weighting and search fields dashboard |
| 15 |
* |
| 16 |
* @package ElasticPress\Feature\Search |
| 17 |
*/ |
| 18 |
class Weighting { |
| 19 |
|
| 20 |
/** |
| 21 |
* Sets up the weighting module |
| 22 |
*/ |
| 23 |
public function setup() { |
| 24 |
/** |
| 25 |
* Filter to disable loading of Search weighting engine. |
| 26 |
* |
| 27 |
* @hook ep_disable_search_weighting |
| 28 |
* @since 4.0 |
| 29 |
* @param bool Whether to disable search weighting engine. Defaults to false. |
| 30 |
* @return bool Whether to disable search weighting engine. |
| 31 |
*/ |
| 32 |
if ( apply_filters( 'ep_disable_search_weighting', false ) ) { |
| 33 |
return; |
| 34 |
} |
| 35 |
|
| 36 |
add_action( 'admin_menu', [ $this, 'add_weighting_submenu_page' ], 15 ); |
| 37 |
add_filter( 'ep_formatted_args', [ $this, 'do_weighting' ], 20, 2 ); // After date decay, etc are injected |
| 38 |
add_filter( 'ep_query_weighting_fields', [ $this, 'adjust_weight_for_cross_fields' ], 10, 5 ); |
| 39 |
add_action( 'rest_api_init', [ $this, 'register_rest_routes' ] ); |
| 40 |
} |
| 41 |
|
| 42 |
/** |
| 43 |
* Returns a grouping of all the fields that support weighting for the post type |
| 44 |
* |
| 45 |
* @param string $post_type Post type |
| 46 |
* |
| 47 |
* @return array |
| 48 |
*/ |
| 49 |
public function get_weightable_fields_for_post_type( $post_type ) { |
| 50 |
$fields = array( |
| 51 |
'attributes' => array( |
| 52 |
'label' => __( 'Attributes', 'elasticpress' ), |
| 53 |
'children' => array( |
| 54 |
'post_title' => array( |
| 55 |
'key' => 'post_title', |
| 56 |
'label' => 'Title', |
| 57 |
), |
| 58 |
'post_content' => array( |
| 59 |
'key' => 'post_content', |
| 60 |
'label' => 'Content', |
| 61 |
), |
| 62 |
'post_excerpt' => array( |
| 63 |
'key' => 'post_excerpt', |
| 64 |
'label' => 'Excerpt', |
| 65 |
), |
| 66 |
'author_name' => array( |
| 67 |
'key' => 'author_name', |
| 68 |
'label' => 'Author', |
| 69 |
), |
| 70 |
), |
| 71 |
), |
| 72 |
); |
| 73 |
|
| 74 |
$public_taxonomies = get_taxonomies( |
| 75 |
[ |
| 76 |
'public' => true, |
| 77 |
] |
| 78 |
); |
| 79 |
|
| 80 |
$post_type_taxonomies = get_object_taxonomies( $post_type ); |
| 81 |
|
| 82 |
$taxonomies = array_intersect( $public_taxonomies, $post_type_taxonomies ); |
| 83 |
|
| 84 |
if ( ! empty( $taxonomies ) ) { |
| 85 |
$fields['taxonomies'] = [ |
| 86 |
'label' => __( 'Taxonomies', 'elasticpress' ), |
| 87 |
'children' => [], |
| 88 |
]; |
| 89 |
|
| 90 |
foreach ( $taxonomies as $taxonomy ) { |
| 91 |
$key = "terms.{$taxonomy}.name"; |
| 92 |
$taxonomy_object = get_taxonomy( $taxonomy ); |
| 93 |
|
| 94 |
$fields['taxonomies']['children'][ $key ] = [ |
| 95 |
'key' => $key, |
| 96 |
'label' => $taxonomy_object->labels->name, |
| 97 |
]; |
| 98 |
} |
| 99 |
} |
| 100 |
|
| 101 |
$fields['ep_metadata'] = [ |
| 102 |
'label' => 'Metadata', |
| 103 |
'children' => [], |
| 104 |
]; |
| 105 |
|
| 106 |
$empty_post = new \WP_Post( new \stdClass() ); |
| 107 |
|
| 108 |
$empty_post->post_type = $post_type; |
| 109 |
|
| 110 |
/** This filter is documented in includes/classes/Indexable/Post/Post.php */ |
| 111 |
$allowed_protected_keys = apply_filters( 'ep_prepare_meta_allowed_protected_keys', [], $empty_post ); |
| 112 |
|
| 113 |
sort( $allowed_protected_keys, SORT_STRING ); |
| 114 |
|
| 115 |
/** This filter is documented in includes/classes/Indexable/Post/Post.php */ |
| 116 |
$excluded_public_keys = apply_filters( 'ep_prepare_meta_excluded_public_keys', [], $empty_post ); |
| 117 |
|
| 118 |
foreach ( $allowed_protected_keys as $meta_key ) { |
| 119 |
$key = "meta.$meta_key.value"; |
| 120 |
|
| 121 |
if ( in_array( $key, $excluded_public_keys, true ) ) { |
| 122 |
continue; |
| 123 |
} |
| 124 |
|
| 125 |
$required = in_array( $meta_key, $allowed_protected_keys, true ); |
| 126 |
|
| 127 |
$fields['ep_metadata']['children'][ $key ] = [ |
| 128 |
'key' => $key, |
| 129 |
'label' => $meta_key, |
| 130 |
'required' => $required, |
| 131 |
]; |
| 132 |
} |
| 133 |
|
| 134 |
/** |
| 135 |
* Filter weighting fields for a post type |
| 136 |
* |
| 137 |
* @hook ep_weighting_fields_for_post_type |
| 138 |
* @param {array} $fields Current weighting fields |
| 139 |
* @param {string} $post_type Current post type |
| 140 |
* @return {array} New fields |
| 141 |
*/ |
| 142 |
return apply_filters( 'ep_weighting_fields_for_post_type', $fields, $post_type ); |
| 143 |
} |
| 144 |
|
| 145 |
/** |
| 146 |
* Get weightable fields for all searchable post types. |
| 147 |
* |
| 148 |
* @since 5.0.0 |
| 149 |
* @return array |
| 150 |
*/ |
| 151 |
public function get_weightable_fields() { |
| 152 |
$weightable = array(); |
| 153 |
$post_types = Features::factory()->get_registered_feature( 'search' )->get_searchable_post_types(); |
| 154 |
|
| 155 |
foreach ( $post_types as $post_type ) { |
| 156 |
$post_type_object = get_post_type_object( $post_type ); |
| 157 |
$post_type_labels = get_post_type_labels( $post_type_object ); |
| 158 |
|
| 159 |
$weightable_fields = $this->get_weightable_fields_for_post_type( $post_type ); |
| 160 |
|
| 161 |
$groups = []; |
| 162 |
$fields = []; |
| 163 |
|
| 164 |
foreach ( $weightable_fields as $group => $weightable_field ) { |
| 165 |
$groups[] = [ |
| 166 |
'key' => $group, |
| 167 |
'label' => $weightable_field['label'], |
| 168 |
]; |
| 169 |
|
| 170 |
foreach ( $weightable_field['children'] as $field ) { |
| 171 |
$fields[] = [ |
| 172 |
'group' => $group, |
| 173 |
'key' => $field['key'], |
| 174 |
'label' => $field['label'], |
| 175 |
'required' => isset( $field['required'] ) ? $field['required'] : false, |
| 176 |
]; |
| 177 |
} |
| 178 |
} |
| 179 |
|
| 180 |
$weightable[] = [ |
| 181 |
'key' => $post_type, |
| 182 |
'label' => $post_type_labels->menu_name, |
| 183 |
'groups' => $groups, |
| 184 |
'fields' => $fields, |
| 185 |
]; |
| 186 |
} |
| 187 |
|
| 188 |
return $weightable; |
| 189 |
} |
| 190 |
|
| 191 |
/** |
| 192 |
* Returns default settings for any post type |
| 193 |
* |
| 194 |
* Defaults to title, content, excerpt, and author name enabled with zero weight |
| 195 |
* |
| 196 |
* @param string $post_type Post Type we need settings for |
| 197 |
* |
| 198 |
* @return array Defaults for post type |
| 199 |
*/ |
| 200 |
public function get_post_type_default_settings( $post_type ) { |
| 201 |
$post_type_defaults = [ |
| 202 |
'post_title' => [ |
| 203 |
'enabled' => true, |
| 204 |
'weight' => 1, |
| 205 |
], |
| 206 |
'post_content' => [ |
| 207 |
'enabled' => true, |
| 208 |
'weight' => 1, |
| 209 |
], |
| 210 |
'post_excerpt' => [ |
| 211 |
'enabled' => true, |
| 212 |
'weight' => 1, |
| 213 |
], |
| 214 |
'author_name' => [ |
| 215 |
'enabled' => true, |
| 216 |
'weight' => 1, |
| 217 |
], |
| 218 |
]; |
| 219 |
|
| 220 |
$post_type_taxonomies = get_object_taxonomies( $post_type ); |
| 221 |
|
| 222 |
/** |
| 223 |
* Filter install status |
| 224 |
* |
| 225 |
* Previous behavior had post_tag and category enabled by default, so if this is supported on the post type |
| 226 |
* we add them as enabled by default |
| 227 |
* |
| 228 |
* @hook ep_weighting_default_enabled_taxonomies |
| 229 |
* @param {array} $enabled_taxonomies Taxonomies that should be enabled by default |
| 230 |
* @param {string} $post_type Post type slug |
| 231 |
* @return {array} New taxonomies |
| 232 |
* @since 3.6.5 |
| 233 |
*/ |
| 234 |
$enabled_by_default = apply_filters( 'ep_weighting_default_enabled_taxonomies', [ 'post_tag', 'category' ], $post_type ); |
| 235 |
|
| 236 |
foreach ( $enabled_by_default as $default_tax ) { |
| 237 |
if ( in_array( $default_tax, $post_type_taxonomies, true ) ) { |
| 238 |
$post_type_defaults[ 'terms.' . $default_tax . '.name' ] = [ |
| 239 |
'enabled' => true, |
| 240 |
'weight' => 1, |
| 241 |
]; |
| 242 |
} |
| 243 |
} |
| 244 |
|
| 245 |
/** |
| 246 |
* Filter weighting defaults for post type |
| 247 |
* |
| 248 |
* @hook ep_weighting_default_post_type_weights |
| 249 |
* @param {array} $post_type_defaults Current weighting defaults |
| 250 |
* @param {string} $post_type Current post type |
| 251 |
* @return {array} New defaults |
| 252 |
*/ |
| 253 |
return apply_filters( 'ep_weighting_default_post_type_weights', $post_type_defaults, $post_type ); |
| 254 |
} |
| 255 |
|
| 256 |
/** |
| 257 |
* Returns the current weighting configuration |
| 258 |
* |
| 259 |
* @return array |
| 260 |
*/ |
| 261 |
public function get_weighting_configuration() { |
| 262 |
/** |
| 263 |
* Filter weighting configuration |
| 264 |
* |
| 265 |
* @hook ep_weighting_configuration |
| 266 |
* @param {array} $config Current configuration |
| 267 |
* @return {array} New configuration |
| 268 |
*/ |
| 269 |
return apply_filters( 'ep_weighting_configuration', get_option( 'elasticpress_weighting', [] ) ); |
| 270 |
} |
| 271 |
|
| 272 |
/** |
| 273 |
* Returns the current weighting configuration with defaults for any |
| 274 |
* missing fields. |
| 275 |
* |
| 276 |
* @return array Current weighting configuration with defaults. |
| 277 |
* @since 5.0.0 |
| 278 |
*/ |
| 279 |
public function get_weighting_configuration_with_defaults() { |
| 280 |
$search = Features::factory()->get_registered_feature( 'search' ); |
| 281 |
|
| 282 |
$post_types = $search->get_searchable_post_types(); |
| 283 |
$weighting = $this->get_weighting_configuration(); |
| 284 |
|
| 285 |
foreach ( $post_types as $post_type ) { |
| 286 |
$current = isset( $weighting[ $post_type ] ) ? $weighting[ $post_type ] : []; |
| 287 |
$defaults = $this->get_post_type_default_settings( $post_type ); |
| 288 |
|
| 289 |
$weighting[ $post_type ] = wp_parse_args( $current, $defaults ); |
| 290 |
} |
| 291 |
|
| 292 |
return $weighting; |
| 293 |
} |
| 294 |
|
| 295 |
/** |
| 296 |
* Returns the current meta mode. |
| 297 |
* |
| 298 |
* @return array |
| 299 |
* @since 5.0.0 |
| 300 |
*/ |
| 301 |
public function get_meta_mode() { |
| 302 |
/** |
| 303 |
* Filter meta management mode. |
| 304 |
* |
| 305 |
* Setting the meta mode to 'auto' will restore the pre-5.0.0 behavior |
| 306 |
* of syncing all public meta fields, but without the ability to |
| 307 |
* add fields to make them searchable through the UI. Weighting settings |
| 308 |
* will need to be changed, and a sync performed, any time this value |
| 309 |
* is changed. |
| 310 |
* |
| 311 |
* @hook ep_meta_mode |
| 312 |
* @since 5.0.0 |
| 313 |
* @param string $ep_meta_mode Meta mode. |
| 314 |
* @return string New meta mode. |
| 315 |
*/ |
| 316 |
return apply_filters( 'ep_meta_mode', 'manual' ); |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Adds the submenu page for controlling weighting |
| 321 |
*/ |
| 322 |
public function add_weighting_submenu_page() { |
| 323 |
$menu_slug = ( defined( 'EP_IS_NETWORK' ) && EP_IS_NETWORK && ! Utils\is_top_level_admin_context() ) ? |
| 324 |
'elasticpress' : |
| 325 |
'elasticpress-weighting'; |
| 326 |
|
| 327 |
add_submenu_page( |
| 328 |
'elasticpress', |
| 329 |
esc_html__( 'ElasticPress Search Fields & Weighting', 'elasticpress' ), |
| 330 |
esc_html__( 'Search Fields & Weighting', 'elasticpress' ), |
| 331 |
Utils\get_capability(), |
| 332 |
$menu_slug, |
| 333 |
[ $this, 'render_settings_page' ] |
| 334 |
); |
| 335 |
} |
| 336 |
|
| 337 |
/** |
| 338 |
* Renders the settings page that controls weighting |
| 339 |
*/ |
| 340 |
public function render_settings_page() { |
| 341 |
include EP_PATH . '/includes/partials/header.php'; ?> |
| 342 |
<div class="wrap"> |
| 343 |
<div id="ep-weighting-screen"></div> |
| 344 |
</div> |
| 345 |
<?php |
| 346 |
} |
| 347 |
|
| 348 |
/** |
| 349 |
* Recursively renders each settings section and its children. |
| 350 |
* |
| 351 |
* @param string $post_type Current post type we're rendering |
| 352 |
* @param array $field Current field to render |
| 353 |
* @param array $current_values Current stored weighting values |
| 354 |
* @deprecated |
| 355 |
*/ |
| 356 |
public function render_settings_section( $post_type, $field, $current_values ) { |
| 357 |
_doing_it_wrong( |
| 358 |
__METHOD__, |
| 359 |
esc_html( 'Weighting sections display are now handled via React components.' ), |
| 360 |
'ElasticPress 5.0.0' |
| 361 |
); |
| 362 |
} |
| 363 |
|
| 364 |
/** |
| 365 |
* Handles processing the new weighting values and saving them |
| 366 |
* to the elasticpress.io service. |
| 367 |
* |
| 368 |
* @deprecated |
| 369 |
*/ |
| 370 |
public function handle_save() { |
| 371 |
_doing_it_wrong( |
| 372 |
__METHOD__, |
| 373 |
esc_html( 'Weighting settings are now updated using the REST API.' ), |
| 374 |
'ElasticPress 5.0.0' |
| 375 |
); |
| 376 |
} |
| 377 |
|
| 378 |
/** |
| 379 |
* We need this method to test handle_save properly. |
| 380 |
* |
| 381 |
* @param string $redirect_url Redirect URL. |
| 382 |
* @deprecated |
| 383 |
*/ |
| 384 |
protected function redirect( $redirect_url ) { |
| 385 |
_doing_it_wrong( |
| 386 |
__METHOD__, |
| 387 |
esc_html( 'Weighting settings are now updated using the REST API, and do not redirect server-side.' ), |
| 388 |
'ElasticPress 5.0.0' |
| 389 |
); |
| 390 |
} |
| 391 |
|
| 392 |
/** |
| 393 |
* Save weighting configuration for each searchable post_type. |
| 394 |
* |
| 395 |
* @param array $settings weighting settings |
| 396 |
* @return void |
| 397 |
* @since 3.4.1 |
| 398 |
* @deprecated |
| 399 |
*/ |
| 400 |
public function save_weighting_configuration( $settings ) { |
| 401 |
_doing_it_wrong( |
| 402 |
__METHOD__, |
| 403 |
esc_html( 'Weighting sections display are now handled via React components.' ), |
| 404 |
'ElasticPress 5.0.0' |
| 405 |
); |
| 406 |
} |
| 407 |
|
| 408 |
/** |
| 409 |
* Register REST routes. |
| 410 |
* |
| 411 |
* @return void |
| 412 |
* @since 5.0.0 |
| 413 |
*/ |
| 414 |
public function register_rest_routes() { |
| 415 |
register_rest_route( |
| 416 |
'elasticpress/v1', |
| 417 |
'weighting', |
| 418 |
[ |
| 419 |
'callback' => [ $this, 'update_weighting' ], |
| 420 |
'methods' => 'POST', |
| 421 |
'permission_callback' => function() { |
| 422 |
return current_user_can( Utils\get_capability() ); |
| 423 |
}, |
| 424 |
] |
| 425 |
); |
| 426 |
} |
| 427 |
|
| 428 |
/** |
| 429 |
* Handles processing the new weighting values and saving them. |
| 430 |
* |
| 431 |
* @param \WP_Rest_Request $request REST API request. |
| 432 |
* @return array |
| 433 |
* @since 5.0.0 |
| 434 |
*/ |
| 435 |
public function update_weighting( $request = null ) { |
| 436 |
$meta_mode = $this->get_meta_mode(); |
| 437 |
$weighting = $request->get_json_params(); |
| 438 |
|
| 439 |
$post_types = Features::factory()->get_registered_feature( 'search' )->get_searchable_post_types(); |
| 440 |
|
| 441 |
// Add default fields for post types not sent. |
| 442 |
foreach ( $post_types as $post_type ) { |
| 443 |
if ( ! isset( $weighting[ $post_type ] ) ) { |
| 444 |
$weighting[ $post_type ] = []; |
| 445 |
} |
| 446 |
} |
| 447 |
|
| 448 |
/** |
| 449 |
* If metadata is not being managed manually, remove any custom |
| 450 |
* fields that have not been registered as weightable fields. |
| 451 |
*/ |
| 452 |
if ( 'manual' !== $meta_mode ) { |
| 453 |
foreach ( $weighting as $post_type => $fields ) { |
| 454 |
$weightable_fields = $this->get_weightable_fields_for_post_type( $post_type ); |
| 455 |
|
| 456 |
foreach ( $fields as $key => $value ) { |
| 457 |
$is_weightable = false; |
| 458 |
|
| 459 |
foreach ( $weightable_fields as $group ) { |
| 460 |
if ( isset( $group['children'][ $key ] ) ) { |
| 461 |
$is_weightable = true; |
| 462 |
continue; |
| 463 |
} |
| 464 |
} |
| 465 |
|
| 466 |
if ( ! $is_weightable ) { |
| 467 |
unset( $weighting[ $post_type ][ $key ] ); |
| 468 |
} |
| 469 |
} |
| 470 |
} |
| 471 |
} |
| 472 |
|
| 473 |
// Cleanup any post type sent (or added via filters) that does not exist. |
| 474 |
foreach ( $weighting as $post_type => $fields ) { |
| 475 |
if ( ! post_type_exists( $post_type ) ) { |
| 476 |
unset( $weighting[ $post_type ] ); |
| 477 |
} |
| 478 |
} |
| 479 |
|
| 480 |
update_option( 'elasticpress_weighting', $weighting ); |
| 481 |
|
| 482 |
/** |
| 483 |
* Fires right after the weighting configuration is saved. |
| 484 |
* |
| 485 |
* @since 3.5.x |
| 486 |
* @hook ep_saved_weighting_configuration |
| 487 |
*/ |
| 488 |
do_action( 'ep_saved_weighting_configuration' ); |
| 489 |
|
| 490 |
return [ |
| 491 |
'data' => $weighting, |
| 492 |
'success' => true, |
| 493 |
]; |
| 494 |
} |
| 495 |
|
| 496 |
/** |
| 497 |
* Iterates through arrays in the formatted args to find "fields" and injects weighting values |
| 498 |
* |
| 499 |
* @param array $fieldset Current subset of formatted ES args |
| 500 |
* @param array $weights Weight configuration |
| 501 |
*/ |
| 502 |
public function recursively_inject_weights_to_fields( &$fieldset, $weights ) { |
| 503 |
if ( ! is_array( $fieldset ) ) { |
| 504 |
return; |
| 505 |
} |
| 506 |
|
| 507 |
if ( is_array( $fieldset ) && isset( $fieldset['fields'] ) ) { |
| 508 |
// Add any fields to the search that aren't already in there (weighting handled in next step) |
| 509 |
foreach ( $weights as $field => $settings ) { |
| 510 |
if ( ! in_array( $field, $fieldset['fields'], true ) ) { |
| 511 |
$fieldset['fields'][] = $field; |
| 512 |
} |
| 513 |
} |
| 514 |
|
| 515 |
foreach ( $fieldset['fields'] as $key => $field ) { |
| 516 |
if ( isset( $weights[ $field ] ) && false !== $weights[ $field ]['enabled'] ) { |
| 517 |
$weight = (int) $weights[ $field ]['weight']; |
| 518 |
|
| 519 |
if ( 0 !== $weight ) { |
| 520 |
if ( 'author_name' === $field ) { |
| 521 |
$field = 'post_author.display_name'; |
| 522 |
} |
| 523 |
|
| 524 |
/** |
| 525 |
* Filter fields and their weitghting as used in the Elasticsearch query. |
| 526 |
* |
| 527 |
* @hook ep_query_weighting_fields |
| 528 |
* @param {string} $weighted_field The field and its weight as used in the ES query. |
| 529 |
* @param {string} $field Field name |
| 530 |
* @param {string} $weight Weight value |
| 531 |
* @param {array} $fieldset Current subset of formatted ES args |
| 532 |
* @param {array} $weights Weight configuration |
| 533 |
* @return {array} New weighted field string |
| 534 |
* |
| 535 |
* @since 3.5.5 |
| 536 |
*/ |
| 537 |
$fieldset['fields'][ $key ] = apply_filters( |
| 538 |
'ep_query_weighting_fields', |
| 539 |
"{$field}^{$weight}", |
| 540 |
$field, |
| 541 |
$weight, |
| 542 |
$fieldset, |
| 543 |
$weights |
| 544 |
); |
| 545 |
} |
| 546 |
} else { |
| 547 |
// this handles removing post_author.login field added in Post::format_args() if author search field has being disabled |
| 548 |
if ( 'author_name' === $field ) { |
| 549 |
$author_key = array_search( 'post_author.login', $fieldset['fields'], true ); |
| 550 |
if ( false !== $author_key ) { |
| 551 |
unset( $fieldset['fields'][ $author_key ] ); |
| 552 |
} |
| 553 |
} |
| 554 |
unset( $fieldset['fields'][ $key ] ); |
| 555 |
} |
| 556 |
// else: Leave anything that isn't explicitly disabled alone. Could have been added by search_fields, and if it is not present in the UI, we shouldn't touch it here |
| 557 |
|
| 558 |
// If fieldset has fuzziness enabled and fuzziness is disabled for this field, unset the field |
| 559 |
if ( isset( $fieldset['fuzziness'] ) && $fieldset['fuzziness'] && isset( $weights[ $field ]['fuzziness'] ) && false === $weights[ $field ]['fuzziness'] ) { |
| 560 |
unset( $fieldset['fields'][ $key ] ); |
| 561 |
} |
| 562 |
} |
| 563 |
|
| 564 |
// Reindex the array |
| 565 |
$fieldset['fields'] = array_values( $fieldset['fields'] ); |
| 566 |
} else { |
| 567 |
foreach ( $fieldset as &$field ) { |
| 568 |
$this->recursively_inject_weights_to_fields( $field, $weights ); |
| 569 |
} |
| 570 |
} |
| 571 |
|
| 572 |
// Most likely to occur with the ordering results not being allowed in fuzzy, and weighting turning off fields for this otherwise |
| 573 |
if ( isset( $fieldset['fields'] ) && empty( $fieldset['fields'] ) ) { |
| 574 |
$fieldset = null; |
| 575 |
} |
| 576 |
} |
| 577 |
|
| 578 |
/** |
| 579 |
* Determine if a post type has any fields enabled for search |
| 580 |
* |
| 581 |
* @param string $post_type Post Type |
| 582 |
* @param array $args WP_Query args |
| 583 |
* @return boolean true/false depending on any fields enabled == true |
| 584 |
*/ |
| 585 |
public function post_type_has_fields( $post_type, $args = [] ) { |
| 586 |
$weight_config = $this->get_weighting_configuration(); |
| 587 |
|
| 588 |
/** |
| 589 |
* Filter weighting configuration for search |
| 590 |
* |
| 591 |
* @hook ep_weighting_configuration_for_search |
| 592 |
* @param {array} $weight_config Current weight config |
| 593 |
* @param {array} $args WP Query arguments |
| 594 |
* @return {array} New configuration |
| 595 |
*/ |
| 596 |
$weight_config = apply_filters( 'ep_weighting_configuration_for_search', $weight_config, $args ); |
| 597 |
|
| 598 |
if ( ! isset( $weight_config[ $post_type ] ) ) { |
| 599 |
$weights = $this->get_post_type_default_settings( $post_type ); |
| 600 |
} else { |
| 601 |
$weights = $weight_config[ $post_type ]; |
| 602 |
} |
| 603 |
|
| 604 |
/** |
| 605 |
* Filter fields considered in weighting |
| 606 |
* |
| 607 |
* Define keys which are irrelevant for this consideration, like `terms.ep_custom_result.name`. |
| 608 |
* |
| 609 |
* @hook ep_weighting_ignore_fields_in_consideration |
| 610 |
* @param {array} $fields Current fields |
| 611 |
* @return {array} New fields |
| 612 |
*/ |
| 613 |
$ignore_keys = apply_filters( 'ep_weighting_ignore_fields_in_consideration', [ 'terms.ep_custom_result.name' => true ] ); |
| 614 |
$fields = array_diff_key( $weights, $ignore_keys ); |
| 615 |
|
| 616 |
$found_enabled = false; |
| 617 |
foreach ( $fields as $field ) { |
| 618 |
if ( filter_var( $field['enabled'], FILTER_VALIDATE_BOOLEAN ) ) { |
| 619 |
$found_enabled = true; |
| 620 |
break; |
| 621 |
} |
| 622 |
} |
| 623 |
|
| 624 |
return $found_enabled; |
| 625 |
} |
| 626 |
|
| 627 |
/** |
| 628 |
* Adjusts the query for configured weighting values |
| 629 |
* |
| 630 |
* @param array $formatted_args Formatted ES args |
| 631 |
* @param array $args WP_Query args |
| 632 |
* |
| 633 |
* @return array Formatted ES args |
| 634 |
*/ |
| 635 |
public function do_weighting( $formatted_args, $args ) { |
| 636 |
|
| 637 |
/** |
| 638 |
* If search fields is set on the query, we should use those instead of the weighting, since the query was |
| 639 |
* overridden by some custom code |
| 640 |
*/ |
| 641 |
if ( isset( $args['search_fields'] ) && ! empty( $args['search_fields'] ) ) { |
| 642 |
return $formatted_args; |
| 643 |
} |
| 644 |
|
| 645 |
$weight_config = $this->get_weighting_configuration(); |
| 646 |
|
| 647 |
/** |
| 648 |
* Filter weighting configuration for search |
| 649 |
* |
| 650 |
* @hook ep_weighting_configuration_for_search |
| 651 |
* @param {array} $weight_config Current weight config |
| 652 |
* @param {array} $args WP Query arguments |
| 653 |
* @return {array} New configuration |
| 654 |
*/ |
| 655 |
$weight_config = apply_filters( 'ep_weighting_configuration_for_search', $weight_config, $args ); |
| 656 |
|
| 657 |
$should_do_weighting = Utils\is_integrated_request( 'weighting', [ 'public', 'rest' ] ) && ! empty( $args['s'] ); |
| 658 |
|
| 659 |
/** |
| 660 |
* Filter whether to enable weighting configuration |
| 661 |
* |
| 662 |
* @hook ep_enable_do_weighting |
| 663 |
* @since 4.2.2 |
| 664 |
* @param {bool} Whether to enable weight config, defaults to true for search requests that are public or REST |
| 665 |
* @param {array} $weight_config Current weight config |
| 666 |
* @param {array} $args WP Query arguments |
| 667 |
* @param {array} $formatted_args Formatted ES arguments |
| 668 |
* @return {bool} Whether to use weighting configuration |
| 669 |
*/ |
| 670 |
if ( apply_filters( 'ep_enable_do_weighting', $should_do_weighting, $weight_config, $args, $formatted_args ) ) { |
| 671 |
$formatted_args = $this->apply_weighting( $formatted_args, $args, $weight_config ); |
| 672 |
} |
| 673 |
|
| 674 |
return $formatted_args; |
| 675 |
} |
| 676 |
|
| 677 |
/** |
| 678 |
* Applies weighting based on ES args |
| 679 |
* |
| 680 |
* @since 4.2.2 |
| 681 |
* @param array $formatted_args Formatted ES args |
| 682 |
* @param array $args WP_Query args |
| 683 |
* @param array $weight_config Weight configuration to apply |
| 684 |
* |
| 685 |
* @return array $formatted_args Formatted ES args with weightings applied |
| 686 |
*/ |
| 687 |
protected function apply_weighting( $formatted_args, $args, $weight_config ) { |
| 688 |
/* |
| 689 |
* This section splits up the single query clause for all post types into separate nested clauses (one for each post type) |
| 690 |
* which then get combined into one result set. By having separate clauses for each post type, we can then |
| 691 |
* weight fields such as post_title per post type so that we can have fine grained control over weights by post |
| 692 |
* type, rather than globally on the query |
| 693 |
*/ |
| 694 |
$new_query = [ |
| 695 |
'bool' => [ |
| 696 |
'should' => [], |
| 697 |
], |
| 698 |
]; |
| 699 |
|
| 700 |
// grab the query and keep track of whether or not it is nested in a function score |
| 701 |
$function_score = isset( $formatted_args['query']['function_score'] ); |
| 702 |
$query = $function_score ? $formatted_args['query']['function_score']['query'] : $formatted_args['query']; |
| 703 |
|
| 704 |
foreach ( (array) $args['post_type'] as $post_type ) { |
| 705 |
if ( false === $this->post_type_has_fields( $post_type, $args ) ) { |
| 706 |
continue; |
| 707 |
} |
| 708 |
// Copy the query, so we can set specific weight values |
| 709 |
$current_query = $query; |
| 710 |
|
| 711 |
if ( isset( $weight_config[ $post_type ] ) ) { |
| 712 |
// Find all "fields" values and inject weights for the current post type |
| 713 |
$this->recursively_inject_weights_to_fields( $current_query, $weight_config[ $post_type ] ); |
| 714 |
} else { |
| 715 |
// Use the default values for the post type |
| 716 |
$this->recursively_inject_weights_to_fields( $current_query, $this->get_post_type_default_settings( $post_type ) ); |
| 717 |
} |
| 718 |
|
| 719 |
// Check for any segments with null fields from recursively_inject function and remove them |
| 720 |
if ( isset( $current_query['bool'] ) && isset( $current_query['bool']['should'] ) ) { |
| 721 |
foreach ( $current_query['bool']['should'] as $index => $current_bool_should ) { |
| 722 |
if ( isset( $current_bool_should['multi_match'] ) && null === $current_bool_should['multi_match'] ) { |
| 723 |
unset( $current_query['bool']['should'][ $index ] ); |
| 724 |
} |
| 725 |
} |
| 726 |
} |
| 727 |
|
| 728 |
/** |
| 729 |
* Filter weighting query for a post type |
| 730 |
* |
| 731 |
* @hook ep_weighted_query_for_post_type |
| 732 |
* @param {array} $query Weighting query |
| 733 |
* @param {string} $post_type Post type |
| 734 |
* @param {array} $args WP Query arguments |
| 735 |
* @return {array} New query |
| 736 |
*/ |
| 737 |
$new_query['bool']['should'][] = apply_filters( |
| 738 |
'ep_weighted_query_for_post_type', |
| 739 |
[ |
| 740 |
'bool' => [ |
| 741 |
'must' => [ |
| 742 |
$current_query, |
| 743 |
], |
| 744 |
'filter' => [ |
| 745 |
[ |
| 746 |
'match' => [ |
| 747 |
'post_type.raw' => $post_type, |
| 748 |
], |
| 749 |
], |
| 750 |
], |
| 751 |
], |
| 752 |
], |
| 753 |
$post_type, |
| 754 |
$args |
| 755 |
); |
| 756 |
} |
| 757 |
|
| 758 |
// put the new query back in the correct location |
| 759 |
if ( $function_score ) { |
| 760 |
$formatted_args['query']['function_score']['query'] = $new_query; |
| 761 |
} else { |
| 762 |
$formatted_args['query'] = $new_query; |
| 763 |
} |
| 764 |
|
| 765 |
/** |
| 766 |
* Hook after weighting is added to Elasticsearch query |
| 767 |
* |
| 768 |
* @hook ep_weighting_added |
| 769 |
* @param {array} $formatted_args Elasticsearch query |
| 770 |
* @param {array} $args WP Query arguments |
| 771 |
*/ |
| 772 |
do_action( 'ep_weighting_added', $formatted_args, $args ); |
| 773 |
|
| 774 |
return $formatted_args; |
| 775 |
} |
| 776 |
|
| 777 |
/** |
| 778 |
* Adjust weighting when the type is cross_fields, as it just works with weight = 1. |
| 779 |
* |
| 780 |
* @since 4.0.0 |
| 781 |
* |
| 782 |
* @param string $weighted_field The field and its weight as used in the ES query. |
| 783 |
* @param string $field Field name |
| 784 |
* @param string $weight Weight value |
| 785 |
* @param array $fieldset Current subset of formatted ES args |
| 786 |
* @return array New weighted field string |
| 787 |
*/ |
| 788 |
public function adjust_weight_for_cross_fields( $weighted_field, $field, $weight, $fieldset ) { |
| 789 |
if ( ! empty( $fieldset['type'] ) && 'cross_fields' === $fieldset['type'] ) { |
| 790 |
$weighted_field = "{$field}^1"; |
| 791 |
} |
| 792 |
return $weighted_field; |
| 793 |
} |
| 794 |
} |
| 795 |
|
