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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\name\Service; |
| 6 | |
| 7 | use Drupal\Core\Entity\EntityStorageInterface; |
| 8 | use Drupal\Core\Entity\EntityTypeManagerInterface; |
| 9 | use Drupal\Core\Field\FieldDefinitionInterface; |
| 10 | use Drupal\name\Utility\AutocompleteFieldValueLookup; |
| 11 | use Drupal\name\Utility\AutocompleteMatcher; |
| 12 | use Drupal\name\Utility\AutocompletePlanBuilder; |
| 13 | |
| 14 | /** |
| 15 | * Name field autocompletion results. |
| 16 | * |
| 17 | * @see \Drupal\name\Utility\AutocompletePlanBuilder |
| 18 | * @see \Drupal\name\Utility\AutocompleteMatcher |
| 19 | * @see \Drupal\name\Utility\AutocompleteFieldValueLookup |
| 20 | */ |
| 21 | class AutocompleteService implements AutocompleteInterface { |
| 22 | |
| 23 | /** |
| 24 | * Name options provider. |
| 25 | */ |
| 26 | protected NameOptionInterface $optionsProvider; |
| 27 | |
| 28 | /** |
| 29 | * Entity type manager for field-data lookups. |
| 30 | */ |
| 31 | protected ?EntityTypeManagerInterface $entityTypeManager; |
| 32 | |
| 33 | /** |
| 34 | * Constructs an AutocompleteService object. |
| 35 | */ |
| 36 | public function __construct(NameOptionInterface $options_provider, ?EntityTypeManagerInterface $entity_type_manager = NULL) { |
| 37 | $this->optionsProvider = $options_provider; |
| 38 | // @phpstan-ignore-next-line |
| 39 | $this->entityTypeManager = $entity_type_manager ?? \Drupal::entityTypeManager(); |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * {@inheritdoc} |
| 44 | */ |
| 45 | public function getMatches(FieldDefinitionInterface $field, string $target, string $string): array { |
| 46 | $context = $this->buildMatchContext($field, $target, $string); |
| 47 | if ($context === NULL) { |
| 48 | return []; |
| 49 | } |
| 50 | |
| 51 | $matches = []; |
| 52 | $limit = 10; |
| 53 | $this->appendStaticOptionMatches($field, $context, $matches, $limit); |
| 54 | $this->appendFieldDataMatches($field, $context, $matches, $limit); |
| 55 | |
| 56 | return $matches; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Builds match context from field settings, target, and user input. |
| 61 | * |
| 62 | * @return array{ |
| 63 | * settings: array<string, mixed>, |
| 64 | * plan: array{ |
| 65 | * components: array<string, string>, |
| 66 | * source: array{ |
| 67 | * title: array<int, string>, |
| 68 | * generational: array<int, string>, |
| 69 | * data: array<int, string> |
| 70 | * }, |
| 71 | * separator: string |
| 72 | * }, |
| 73 | * base_string: string, |
| 74 | * test_string: string |
| 75 | * }|null |
| 76 | * Context for match collection, or NULL when no matches are possible. |
| 77 | */ |
| 78 | protected function buildMatchContext(FieldDefinitionInterface $field, string $target, string $string): ?array { |
| 79 | return AutocompletePlanBuilder::buildMatchContext( |
| 80 | $field, |
| 81 | $target, |
| 82 | $string, |
| 83 | $this->splitPiecesCallable(), |
| 84 | ); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Appends title and generational option matches to the result set. |
| 89 | * |
| 90 | * @param \Drupal\Core\Field\FieldDefinitionInterface $field |
| 91 | * The field definition. |
| 92 | * @param array $context |
| 93 | * Match context from buildMatchContext(). |
| 94 | * @param array<string, string> $matches |
| 95 | * The current match list. |
| 96 | * @param int $limit |
| 97 | * The remaining match limit. |
| 98 | */ |
| 99 | protected function appendStaticOptionMatches(FieldDefinitionInterface $field, array $context, array &$matches, int &$limit): void { |
| 100 | foreach (['title', 'generational'] as $source_component) { |
| 101 | $limit_exhausted = $limit <= 0; |
| 102 | $source_empty = empty($context['plan']['source'][$source_component]); |
| 103 | $should_skip = $limit_exhausted || $source_empty; |
| 104 | if ($should_skip) { |
| 105 | continue; |
| 106 | } |
| 107 | $mode = $this->resolveMatchMode($context['settings'], $source_component); |
| 108 | $options = $this->optionsProvider->getOptions($field, $source_component); |
| 109 | $this->collectOptionMatches( |
| 110 | $options, |
| 111 | $context['test_string'], |
| 112 | $mode, |
| 113 | $context['base_string'], |
| 114 | $matches, |
| 115 | $limit, |
| 116 | ); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Appends stored field-data matches to the result set. |
| 122 | * |
| 123 | * Per-component field-data lookup. Each component queries only its own |
| 124 | * column of the field storage — a "given" request never reads "family". |
| 125 | * |
| 126 | * @param \Drupal\Core\Field\FieldDefinitionInterface $field |
| 127 | * The field definition. |
| 128 | * @param array $context |
| 129 | * Match context from buildMatchContext(). |
| 130 | * @param array<string, string> $matches |
| 131 | * The current match list. |
| 132 | * @param int $limit |
| 133 | * The remaining match limit. |
| 134 | */ |
| 135 | protected function appendFieldDataMatches(FieldDefinitionInterface $field, array $context, array &$matches, int &$limit): void { |
| 136 | foreach ($context['plan']['source']['data'] as $component) { |
| 137 | if ($limit <= 0) { |
| 138 | break; |
| 139 | } |
| 140 | $mode = $this->resolveMatchMode($context['settings'], $component); |
| 141 | $values = $this->findFieldValues( |
| 142 | $field, |
| 143 | $component, |
| 144 | $context['test_string'], |
| 145 | $limit, |
| 146 | $mode, |
| 147 | ); |
| 148 | foreach ($values as $value) { |
| 149 | $matches[$context['base_string'] . $value] = $value; |
| 150 | $limit -= 1; |
| 151 | if ($limit <= 0) { |
| 152 | break; |
| 153 | } |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Normalizes the required autocomplete settings for all components. |
| 160 | * |
| 161 | * @param array<string, mixed> $settings |
| 162 | * The field settings. |
| 163 | * |
| 164 | * @return array<string, mixed> |
| 165 | * The settings with normalized autocomplete source keys. |
| 166 | */ |
| 167 | protected function normalizeAutocompleteSettings(array $settings): array { |
| 168 | return AutocompletePlanBuilder::normalizeAutocompleteSettings($settings); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Resolves an autocomplete target into an associative component map. |
| 173 | * |
| 174 | * @return array<string, string> |
| 175 | * A map keyed by component machine name. |
| 176 | */ |
| 177 | protected function resolveTargetComponents(string $target): array { |
| 178 | return AutocompletePlanBuilder::resolveTargetComponents($target); |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Resolves a hyphen-delimited target into valid core components. |
| 183 | * |
| 184 | * @return array<string, string> |
| 185 | * A map keyed by component machine name. |
| 186 | */ |
| 187 | protected function resolveCompositeTargetComponents(string $target): array { |
| 188 | return AutocompletePlanBuilder::resolveCompositeTargetComponents($target); |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Builds the executable autocomplete plan for component and source lookups. |
| 193 | * |
| 194 | * @param array<string, mixed> $settings |
| 195 | * Normalized field settings. |
| 196 | * @param array<string, string> $components |
| 197 | * Requested components keyed by component name. |
| 198 | * |
| 199 | * @return array{ |
| 200 | * components: array<string, string>, |
| 201 | * source: array{ |
| 202 | * title: array<int, string>, |
| 203 | * generational: array<int, string>, |
| 204 | * data: array<int, string> |
| 205 | * }, |
| 206 | * separator: string |
| 207 | * } |
| 208 | * The actionable plan for source resolution and input splitting. |
| 209 | */ |
| 210 | protected function buildAutocompletePlan(array $settings, array $components): array { |
| 211 | return AutocompletePlanBuilder::buildAutocompletePlan($settings, $components); |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Adds unique separator characters from one component into the set. |
| 216 | */ |
| 217 | protected function appendSeparatorCharacters(string $separator, string $component_separator): string { |
| 218 | return AutocompletePlanBuilder::appendSeparatorCharacters($separator, $component_separator); |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Wraps preg_split to allow substitution in tests. |
| 223 | * |
| 224 | * @return list<string>|false |
| 225 | * The split result, or FALSE on PCRE failure. |
| 226 | */ |
| 227 | protected function pregSplitPieces(string $pattern, string $subject): array|false { |
| 228 | return \preg_split($pattern, $subject); |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Returns a callable that delegates input splitting to pregSplitPieces(). |
| 233 | * |
| 234 | * @return callable(string, string): (list<string>|false) |
| 235 | * Callable that splits input using pregSplitPieces(). |
| 236 | */ |
| 237 | protected function splitPiecesCallable(): callable { |
| 238 | return fn (string $pattern, string $subject): array|false => $this->pregSplitPieces($pattern, $subject); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Splits autocomplete input into base prefix and searchable token. |
| 243 | * |
| 244 | * @return array{base: string, test: string}|null |
| 245 | * The parsed input parts, or NULL when no usable split can be performed. |
| 246 | */ |
| 247 | protected function splitAutocompleteInput(string $string, string $separator): ?array { |
| 248 | return AutocompletePlanBuilder::splitAutocompleteInput( |
| 249 | $string, |
| 250 | $separator, |
| 251 | $this->splitPiecesCallable(), |
| 252 | ); |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Adds matching option values while honoring the shared result limit. |
| 257 | * |
| 258 | * @param array<string, mixed> $options |
| 259 | * The option list keyed by stored value. |
| 260 | * @param string $test_string |
| 261 | * The lowercase token to match. |
| 262 | * @param string $mode |
| 263 | * The match mode. |
| 264 | * @param string $base_string |
| 265 | * The prefix to prepend to matched option keys. |
| 266 | * @param array<string, string> $matches |
| 267 | * The current match list. |
| 268 | * @param int $limit |
| 269 | * The remaining match limit. |
| 270 | */ |
| 271 | protected function collectOptionMatches(array $options, string $test_string, string $mode, string $base_string, array &$matches, int &$limit): void { |
| 272 | AutocompleteMatcher::collectOptionMatches($options, $test_string, $mode, $base_string, $matches, $limit); |
| 273 | } |
| 274 | |
| 275 | /** |
| 276 | * Resolves the effective autocomplete match mode for a single component. |
| 277 | * |
| 278 | * @param array<string, mixed> $settings |
| 279 | * The field settings array from FieldDefinitionInterface::getSettings(). |
| 280 | * @param string $component |
| 281 | * The component machine name (for example, "given"). |
| 282 | * |
| 283 | * @return string |
| 284 | * Either "starts_with" or "contains". Falls back to "starts_with" for any |
| 285 | * legacy configuration that predates these settings. |
| 286 | */ |
| 287 | protected function resolveMatchMode(array $settings, string $component): string { |
| 288 | return AutocompleteMatcher::resolveMatchMode($settings, $component); |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * Applies the resolved match mode to an in-memory string comparison. |
| 293 | */ |
| 294 | protected function stringMatches(string $haystack, string $needle, string $mode): bool { |
| 295 | return AutocompleteMatcher::stringMatches($haystack, $needle, $mode); |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Collects matching field item values from loaded entities. |
| 300 | * |
| 301 | * @param array<int|string, \Drupal\Core\Entity\FieldableEntityInterface> $entities |
| 302 | * The entities to inspect. |
| 303 | * @param string $field_name |
| 304 | * The field machine name. |
| 305 | * @param string $component |
| 306 | * The name field component machine name. |
| 307 | * @param string $needle |
| 308 | * The lowercase search term. |
| 309 | * @param int $limit |
| 310 | * The maximum number of unique matches to return. |
| 311 | * @param string $mode |
| 312 | * The match mode. |
| 313 | * |
| 314 | * @return array<string, string> |
| 315 | * Matching values keyed by value. |
| 316 | */ |
| 317 | protected function collectEntityFieldMatches( |
| 318 | array $entities, |
| 319 | string $field_name, |
| 320 | string $component, |
| 321 | string $needle, |
| 322 | int $limit, |
| 323 | string $mode, |
| 324 | ): array { |
| 325 | return AutocompleteFieldValueLookup::collectEntityFieldMatches( |
| 326 | $entities, |
| 327 | $field_name, |
| 328 | $component, |
| 329 | $needle, |
| 330 | $limit, |
| 331 | $mode, |
| 332 | ); |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * {@inheritdoc} |
| 337 | */ |
| 338 | public function mapAssoc(array $values): array { |
| 339 | return array_combine($values, $values); |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * {@inheritdoc} |
| 344 | */ |
| 345 | public function findFieldValues(FieldDefinitionInterface $field, string $component, string $term, int $limit, string $mode = 'starts_with'): array { |
| 346 | if (!$this->canLookupFieldValues($component, $term, $limit)) { |
| 347 | return []; |
| 348 | } |
| 349 | return AutocompleteFieldValueLookup::findFieldValues( |
| 350 | $this->entityTypeManager, |
| 351 | $field, |
| 352 | $component, |
| 353 | $term, |
| 354 | $limit, |
| 355 | $mode, |
| 356 | ); |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * Whether field-value lookup can run for the given arguments. |
| 361 | */ |
| 362 | protected function canLookupFieldValues(string $component, string $term, int $limit): bool { |
| 363 | if ($this->entityTypeManager === NULL) { |
| 364 | return FALSE; |
| 365 | } |
| 366 | return AutocompleteFieldValueLookup::canLookupFieldValues($component, $term, $limit); |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * Resolves entity type and field name for field-value storage queries. |
| 371 | * |
| 372 | * @return array{entity_type_id: string, field_name: string}|null |
| 373 | * Lookup target, or NULL when the field definition is incomplete. |
| 374 | */ |
| 375 | protected function resolveFieldValueLookupTarget(FieldDefinitionInterface $field): ?array { |
| 376 | return AutocompleteFieldValueLookup::resolveFieldValueLookupTarget($field); |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * Loads entity storage for field-value queries. |
| 381 | */ |
| 382 | protected function loadFieldValueStorage(string $entity_type_id): ?EntityStorageInterface { |
| 383 | if ($this->entityTypeManager === NULL) { |
| 384 | return NULL; |
| 385 | } |
| 386 | return AutocompleteFieldValueLookup::loadFieldValueStorage($this->entityTypeManager, $entity_type_id); |
| 387 | } |
| 388 | |
| 389 | /** |
| 390 | * Maps autocomplete match mode to an entity query operator. |
| 391 | */ |
| 392 | protected function fieldValueQueryOperator(string $mode): string { |
| 393 | return AutocompleteFieldValueLookup::fieldValueQueryOperator($mode); |
| 394 | } |
| 395 | |
| 396 | /** |
| 397 | * Queries entity IDs whose field component values match the search term. |
| 398 | * |
| 399 | * @return array<int|string> |
| 400 | * Matching entity IDs. |
| 401 | */ |
| 402 | protected function queryFieldValueEntityIds( |
| 403 | EntityStorageInterface $storage, |
| 404 | string $field_name, |
| 405 | string $component, |
| 406 | string $term, |
| 407 | int $limit, |
| 408 | string $mode, |
| 409 | ): array { |
| 410 | return AutocompleteFieldValueLookup::queryFieldValueEntityIds( |
| 411 | $storage, |
| 412 | $field_name, |
| 413 | $component, |
| 414 | $term, |
| 415 | $limit, |
| 416 | $mode, |
| 417 | ); |
| 418 | } |
| 419 | |
| 420 | } |