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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder\Entity; |
| 6 | |
| 7 | use Drupal\Component\Render\FormattableMarkup; |
| 8 | use Drupal\Component\Utility\NestedArray; |
| 9 | use Drupal\Core\Entity\Attribute\EntityType; |
| 10 | use Drupal\Core\Entity\EntityBase; |
| 11 | use Drupal\Core\Entity\EntityStorageInterface; |
| 12 | use Drupal\Core\Entity\EntityTypeManagerInterface; |
| 13 | use Drupal\Core\Plugin\Context\EntityContext; |
| 14 | use Drupal\Core\Session\AccountInterface; |
| 15 | use Drupal\Core\StringTranslation\TranslatableMarkup; |
| 16 | use Drupal\display_builder\HistoryStep; |
| 17 | use Drupal\display_builder\InstanceAccessControlHandler; |
| 18 | use Drupal\display_builder\InstanceInterface; |
| 19 | use Drupal\display_builder\InstanceStorage; |
| 20 | use Drupal\display_builder\ProfileInterface; |
| 21 | use Drupal\display_builder\SlotSourceProxy; |
| 22 | use Drupal\display_builder_ui\InstanceListBuilder; |
| 23 | use Drupal\ui_patterns\Entity\SampleEntityGeneratorInterface; |
| 24 | use Drupal\ui_patterns\Plugin\Context\RequirementsContext; |
| 25 | |
| 26 | /** |
| 27 | * Defines the display builder instance entity class. |
| 28 | */ |
| 29 | #[EntityType( |
| 30 | id: 'display_builder_instance', |
| 31 | label: new TranslatableMarkup('Display Builder instance'), |
| 32 | label_collection: new TranslatableMarkup('Display builder instances'), |
| 33 | label_singular: new TranslatableMarkup('display builder instance'), |
| 34 | label_plural: new TranslatableMarkup('display builder instances'), |
| 35 | entity_keys: [ |
| 36 | 'label' => 'id', |
| 37 | ], |
| 38 | handlers: [ |
| 39 | 'access' => InstanceAccessControlHandler::class, |
| 40 | 'storage' => InstanceStorage::class, |
| 41 | // Managed by display_builder_ui. |
| 42 | 'list_builder' => InstanceListBuilder::class, |
| 43 | ], |
| 44 | links: [ |
| 45 | // Managed by display_builder_ui. |
| 46 | 'collection' => '/admin/structure/display-builder/instances', |
| 47 | ], |
| 48 | label_count: [ |
| 49 | 'singular' => '@count instance', |
| 50 | 'plural' => '@count instances', |
| 51 | ], |
| 52 | )] |
| 53 | class Instance extends EntityBase implements InstanceInterface { |
| 54 | |
| 55 | private const MAX_HISTORY = 10; |
| 56 | |
| 57 | /** |
| 58 | * Entity ID. |
| 59 | */ |
| 60 | protected string $id; |
| 61 | |
| 62 | /** |
| 63 | * Entity label. |
| 64 | */ |
| 65 | protected string $label; |
| 66 | |
| 67 | /** |
| 68 | * Display Builder profile ID. |
| 69 | */ |
| 70 | protected string $profileId = ''; |
| 71 | |
| 72 | /** |
| 73 | * Past steps. |
| 74 | * |
| 75 | * @var \Drupal\display_builder\HistoryStep[] |
| 76 | */ |
| 77 | protected array $past = []; |
| 78 | |
| 79 | /** |
| 80 | * Present step. |
| 81 | */ |
| 82 | protected ?HistoryStep $present = NULL; |
| 83 | |
| 84 | /** |
| 85 | * Future steps. |
| 86 | * |
| 87 | * @var \Drupal\display_builder\HistoryStep[] |
| 88 | */ |
| 89 | protected array $future = []; |
| 90 | |
| 91 | /** |
| 92 | * Contexts. |
| 93 | * |
| 94 | * @var \Drupal\Core\Plugin\Context\ContextInterface[] |
| 95 | * An array of contexts, keyed by context name. |
| 96 | */ |
| 97 | protected array $contexts = []; |
| 98 | |
| 99 | /** |
| 100 | * Saved step. |
| 101 | */ |
| 102 | protected ?HistoryStep $save = NULL; |
| 103 | |
| 104 | /** |
| 105 | * Path index. |
| 106 | * |
| 107 | * A mapping where each key is an slot source node ID and each value is |
| 108 | * the path where this source is located in the data state. |
| 109 | */ |
| 110 | protected array $pathIndex = []; |
| 111 | |
| 112 | /** |
| 113 | * Entity type manager. |
| 114 | */ |
| 115 | protected EntityTypeManagerInterface $entityTypeManager; |
| 116 | |
| 117 | /** |
| 118 | * Sample entity generator. |
| 119 | */ |
| 120 | protected SampleEntityGeneratorInterface $sampleEntityGenerator; |
| 121 | |
| 122 | /** |
| 123 | * Slot source proxy. |
| 124 | */ |
| 125 | protected SlotSourceProxy $slotSourceProxy; |
| 126 | |
| 127 | /** |
| 128 | * Current user. |
| 129 | */ |
| 130 | protected AccountInterface $currentUser; |
| 131 | |
| 132 | /** |
| 133 | * {@inheritdoc} |
| 134 | */ |
| 135 | public function isNew() { |
| 136 | // We don't support enforceIsNew property because we have no practical |
| 137 | // use of it and because it seems to break the invalidation of |
| 138 | // ::getCacheTags(). |
| 139 | return !$this->id(); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * {@inheritdoc} |
| 144 | * |
| 145 | * @see \Drupal\Core\Entity\EntityInterface |
| 146 | */ |
| 147 | public function toArray(): array { |
| 148 | return [ |
| 149 | 'id' => $this->id, |
| 150 | 'profileId' => $this->profileId, |
| 151 | 'contexts' => $this->contexts, |
| 152 | 'past' => $this->past, |
| 153 | 'present' => $this->present, |
| 154 | 'future' => $this->future, |
| 155 | 'save' => $this->save, |
| 156 | ]; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * {@inheritdoc} |
| 161 | * |
| 162 | * @see \Drupal\Core\Entity\EntityInterface |
| 163 | */ |
| 164 | public function postCreate(EntityStorageInterface $storage): void { |
| 165 | if ($this->present) { |
| 166 | $this->present->data = $this->buildIndexFromSlot([], $this->getCurrentState()); |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * {@inheritdoc} |
| 172 | */ |
| 173 | public function getProfile(): ?ProfileInterface { |
| 174 | /** @var \Drupal\display_builder\ProfileInterface $profile */ |
| 175 | $profile = $this->entityTypeManager()->getStorage('display_builder_profile')->load($this->profileId); |
| 176 | |
| 177 | return $profile; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * {@inheritdoc} |
| 182 | */ |
| 183 | public function setProfile(string $profile_id): void { |
| 184 | $this->profileId = $profile_id; |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * {@inheritdoc} |
| 189 | */ |
| 190 | public function moveToRoot(string $node_id, int $position): bool { |
| 191 | $root = $this->getCurrentState(); |
| 192 | $path = $this->getPath($root, $node_id); |
| 193 | $data = NestedArray::getValue($root, $path); |
| 194 | |
| 195 | if (empty($data) || !isset($data['source_id'])) { |
| 196 | return FALSE; |
| 197 | } |
| 198 | |
| 199 | $root = $this->doRemove($root, $node_id); |
| 200 | $root = $this->doAttachToRoot($root, $position, $data); |
| 201 | |
| 202 | // Get friendly label to display in log instead of ids. |
| 203 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($data, $this->getContexts()); |
| 204 | |
| 205 | $log = new FormattableMarkup('%node @thingy has been moved to root', [ |
| 206 | '%node' => $labelWithSummary['summary'], |
| 207 | '@thingy' => $data['source_id'], |
| 208 | ]); |
| 209 | $this->setNewPresent($root, $log); |
| 210 | |
| 211 | return TRUE; |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * {@inheritdoc} |
| 216 | */ |
| 217 | public function moveToSlot(string $node_id, string $parent_id, string $slot_id, int $position): bool { |
| 218 | $root = $this->getCurrentState(); |
| 219 | $path = $this->getPath($root, $node_id); |
| 220 | $data = NestedArray::getValue($root, $path); |
| 221 | |
| 222 | if (empty($data) || !isset($data['source_id'])) { |
| 223 | return FALSE; |
| 224 | } |
| 225 | |
| 226 | $parent_slot = \array_slice($path, \count($path) - 3, 1)[0]; |
| 227 | |
| 228 | if (($parent_id === $this->getParentId($root, $node_id)) && ($slot_id === $parent_slot)) { |
| 229 | // Moving to the same slot is tricky, because we don't want to remove a |
| 230 | // sibling. |
| 231 | $slot_path = \array_slice($path, 0, \count($path) - 1); |
| 232 | $slot = NestedArray::getValue($root, $slot_path); |
| 233 | $slot = $this->changeSourcePositionInSlot($slot, $node_id, $position); |
| 234 | NestedArray::setValue($root, $slot_path, $slot); |
| 235 | } |
| 236 | else { |
| 237 | // Moving to a different slot is easier, we can first delete the previous |
| 238 | // node data, and attach it to the new position. |
| 239 | $root = $this->doRemove($root, $node_id); |
| 240 | $root = $this->doAttachToSlot($root, $parent_id, $slot_id, $position, $data); |
| 241 | } |
| 242 | |
| 243 | // Get friendly label to display in log instead of ids. |
| 244 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($data, $this->getContexts()); |
| 245 | $labelWithSummaryParent = $this->slotSourceProxy()->getLabelWithSummary($this->get($parent_id)); |
| 246 | |
| 247 | $log = new FormattableMarkup("%node @thingy has been moved to %parent's @slot_id", [ |
| 248 | '%node' => $labelWithSummary['summary'], |
| 249 | '@thingy' => $data['source_id'], |
| 250 | '%parent' => $labelWithSummaryParent['summary'], |
| 251 | '@slot_id' => $slot_id, |
| 252 | ]); |
| 253 | |
| 254 | $this->setNewPresent($root, $log); |
| 255 | |
| 256 | return TRUE; |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * {@inheritdoc} |
| 261 | */ |
| 262 | public function attachToRoot(int $position, string $source_id, array $data, array $third_party_settings = []): string { |
| 263 | $data = [ |
| 264 | 'node_id' => \uniqid(), |
| 265 | 'source_id' => $source_id, |
| 266 | 'source' => $data, |
| 267 | ]; |
| 268 | |
| 269 | if ($third_party_settings) { |
| 270 | $data['_third_party_settings'] = $third_party_settings; |
| 271 | } |
| 272 | |
| 273 | $root = $this->getCurrentState(); |
| 274 | $root = $this->doAttachToRoot($root, $position, $data); |
| 275 | |
| 276 | // Get friendly label to display in log instead of ids. |
| 277 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($data, $this->getContexts() ?? []); |
| 278 | |
| 279 | $log = new FormattableMarkup('%node @source_id has been attached to root', [ |
| 280 | '%node' => $labelWithSummary['summary'], |
| 281 | '@source_id' => $source_id, |
| 282 | ]); |
| 283 | $this->setNewPresent($root, $log, FALSE); |
| 284 | |
| 285 | return $data['node_id']; |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * {@inheritdoc} |
| 290 | */ |
| 291 | public function attachToSlot(string $parent_id, string $slot_id, int $position, string $source_id, array $data, array $third_party_settings = []): string { |
| 292 | $root = $this->getCurrentState(); |
| 293 | $data = [ |
| 294 | 'node_id' => \uniqid(), |
| 295 | 'source_id' => $source_id, |
| 296 | 'source' => $data, |
| 297 | ]; |
| 298 | |
| 299 | if ($third_party_settings) { |
| 300 | $data['_third_party_settings'] = $third_party_settings; |
| 301 | } |
| 302 | |
| 303 | $root = $this->doAttachToSlot($root, $parent_id, $slot_id, $position, $data); |
| 304 | |
| 305 | // Get friendly label to display in log instead of ids. |
| 306 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($data, $this->getContexts() ?? []); |
| 307 | $labelWithSummaryParent = $this->slotSourceProxy()->getLabelWithSummary($this->get($parent_id)); |
| 308 | |
| 309 | $log = new FormattableMarkup("%node @source_id has been attached to %parent's @slot_id", [ |
| 310 | '%node' => $labelWithSummary['summary'], |
| 311 | '@source_id' => $source_id, |
| 312 | '%parent' => $labelWithSummaryParent['summary'], |
| 313 | '@slot_id' => $slot_id, |
| 314 | ]); |
| 315 | $this->setNewPresent($root, $log); |
| 316 | |
| 317 | return $data['node_id']; |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * {@inheritdoc} |
| 322 | */ |
| 323 | public function get(string $node_id): array { |
| 324 | $root = $this->getCurrentState(); |
| 325 | $path = $this->getPath($root, $node_id); |
| 326 | $value = NestedArray::getValue($root, $path); |
| 327 | |
| 328 | return $value ?? []; |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * {@inheritdoc} |
| 333 | */ |
| 334 | public function getParentId(array $root, string $node_id): string { |
| 335 | $path = $this->getPath($root, $node_id); |
| 336 | $length = \count(['source', 'component', 'slots', '{slot_id}', 'sources', '{position}']); |
| 337 | $parent_path = \array_slice($path, 0, \count($path) - $length); |
| 338 | |
| 339 | return $this->getNodeId($parent_path); |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * {@inheritdoc} |
| 344 | */ |
| 345 | public function setSource(string $node_id, string $source_id, array $data): void { |
| 346 | $root = $this->getCurrentState(); |
| 347 | $path = $this->getPath($root, $node_id); |
| 348 | $existing_data = NestedArray::getValue($root, $path) ?? []; |
| 349 | |
| 350 | if (!isset($existing_data['node_id']) || ($existing_data['node_id'] !== $node_id)) { |
| 351 | throw new \Exception('Node ID mismatch'); |
| 352 | } |
| 353 | $existing_data['source_id'] = $source_id; |
| 354 | $existing_data['source'] = $data; |
| 355 | NestedArray::setValue($root, $path, $existing_data); |
| 356 | |
| 357 | // Get friendly label to display in log instead of ids. |
| 358 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($existing_data, $this->getContexts()); |
| 359 | |
| 360 | $log = new FormattableMarkup('%source has been updated', [ |
| 361 | '%source' => $labelWithSummary['summary'], |
| 362 | ]); |
| 363 | $this->setNewPresent($root, $log); |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * {@inheritdoc} |
| 368 | */ |
| 369 | public function setThirdPartySettings(string $node_id, string $island_id, array $data): void { |
| 370 | $root = $this->getCurrentState(); |
| 371 | $path = $this->getPath($root, $node_id); |
| 372 | $existing_data = NestedArray::getValue($root, $path); |
| 373 | |
| 374 | if (!isset($existing_data['_third_party_settings'])) { |
| 375 | $existing_data['_third_party_settings'] = []; |
| 376 | } |
| 377 | $existing_data['_third_party_settings'][$island_id] = $data; |
| 378 | NestedArray::setValue($root, $path, $existing_data); |
| 379 | |
| 380 | // Get friendly label to display in log instead of ids. |
| 381 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($existing_data, $this->getContexts()); |
| 382 | |
| 383 | $log = new FormattableMarkup('%source has been updated by @island_id', [ |
| 384 | '%source' => $labelWithSummary['summary'], |
| 385 | '@island_id' => $island_id, |
| 386 | ]); |
| 387 | $this->setNewPresent($root, $log); |
| 388 | } |
| 389 | |
| 390 | /** |
| 391 | * {@inheritdoc} |
| 392 | */ |
| 393 | public function remove(string $node_id): void { |
| 394 | $root = $this->getCurrentState(); |
| 395 | $path = $this->getPath($root, $node_id); |
| 396 | $data = NestedArray::getValue($root, $path); |
| 397 | $parent_id = $this->getParentId($root, $node_id); |
| 398 | $root = $this->doRemove($root, $node_id); |
| 399 | |
| 400 | $contexts = $this->getContexts() ?? []; |
| 401 | |
| 402 | // Get friendly label to display in log instead of ids. |
| 403 | $labelWithSummary = $this->slotSourceProxy()->getLabelWithSummary($data, $contexts); |
| 404 | $labelWithSummaryParent = empty($parent_id) ? ['summary' => 'root'] : $this->slotSourceProxy()->getLabelWithSummary($this->get($parent_id), $contexts); |
| 405 | |
| 406 | $log = new FormattableMarkup('%node has been removed from %parent', [ |
| 407 | '%node' => $labelWithSummary['summary'], |
| 408 | '%parent' => $labelWithSummaryParent['summary'], |
| 409 | ]); |
| 410 | $this->setNewPresent($root, $log, FALSE); |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * {@inheritdoc} |
| 415 | */ |
| 416 | public function getContexts(): ?array { |
| 417 | return $this->refreshContexts($this->contexts); |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * {@inheritdoc} |
| 422 | */ |
| 423 | public function setSave(array $save_data): void { |
| 424 | $hash = self::getUniqId($save_data); |
| 425 | $this->save = new HistoryStep($save_data, $hash, NULL, \time(), NULL); |
| 426 | } |
| 427 | |
| 428 | /** |
| 429 | * {@inheritdoc} |
| 430 | * |
| 431 | * @see \Drupal\display_builder\HistoryInterface |
| 432 | */ |
| 433 | public function getCurrentState(): array { |
| 434 | return $this->getCurrent()->data ?? []; |
| 435 | } |
| 436 | |
| 437 | /** |
| 438 | * {@inheritdoc} |
| 439 | */ |
| 440 | public function restore(): void { |
| 441 | $this->setNewPresent($this->save->data, 'Back to saved data.'); |
| 442 | } |
| 443 | |
| 444 | /** |
| 445 | * {@inheritdoc} |
| 446 | * |
| 447 | * @see \Drupal\display_builder\HistoryInterface |
| 448 | */ |
| 449 | public function undo(): void { |
| 450 | $past = $this->past ?? []; |
| 451 | |
| 452 | if (empty($past)) { |
| 453 | return; |
| 454 | } |
| 455 | |
| 456 | $present = $this->present; |
| 457 | // Remove the last element from the past. |
| 458 | $last = \array_pop($past); |
| 459 | $this->past = $past; |
| 460 | // Set the present to the element we removed in the previous step. |
| 461 | $this->present = $last; |
| 462 | // Insert the old present state at the beginning of the future. |
| 463 | $this->future = \array_merge([$present], $this->future); |
| 464 | } |
| 465 | |
| 466 | /** |
| 467 | * {@inheritdoc} |
| 468 | * |
| 469 | * @see \Drupal\display_builder\HistoryInterface |
| 470 | */ |
| 471 | public function redo(): void { |
| 472 | $future = $this->future ?? []; |
| 473 | |
| 474 | if (empty($future)) { |
| 475 | return; |
| 476 | } |
| 477 | |
| 478 | // Remove the first element from the future. |
| 479 | $first = \array_shift($future); |
| 480 | // Insert the old present state at the end of the past. |
| 481 | $this->past = \array_merge($this->past, [$this->present]); |
| 482 | // Set the present to the element we removed in the previous step. |
| 483 | $this->present = $first; |
| 484 | $this->future = $future; |
| 485 | } |
| 486 | |
| 487 | /** |
| 488 | * {@inheritdoc} |
| 489 | * |
| 490 | * @see \Drupal\display_builder\HistoryInterface |
| 491 | */ |
| 492 | public function clear(): void { |
| 493 | $this->past = []; |
| 494 | $this->future = []; |
| 495 | } |
| 496 | |
| 497 | /** |
| 498 | * {@inheritdoc} |
| 499 | * |
| 500 | * @see \Drupal\display_builder\HistoryInterface |
| 501 | */ |
| 502 | public function getCountPast(): int { |
| 503 | return \count($this->past); |
| 504 | } |
| 505 | |
| 506 | /** |
| 507 | * {@inheritdoc} |
| 508 | * |
| 509 | * @see \Drupal\display_builder\HistoryInterface |
| 510 | */ |
| 511 | public function getCountFuture(): int { |
| 512 | return \count($this->future); |
| 513 | } |
| 514 | |
| 515 | /** |
| 516 | * {@inheritdoc} |
| 517 | */ |
| 518 | public function getUsers(): array { |
| 519 | $users = []; |
| 520 | $steps = \array_merge($this->past, [$this->present], $this->future); |
| 521 | |
| 522 | foreach ($steps as $step) { |
| 523 | $user_id = $step->user ?? NULL; |
| 524 | |
| 525 | if ($user_id && ($users[$user_id] ?? $step->time > 0)) { |
| 526 | $users[$user_id] = $step->time; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | return $users; |
| 531 | } |
| 532 | |
| 533 | /** |
| 534 | * {@inheritdoc} |
| 535 | */ |
| 536 | public function canSaveContextsRequirement(?array $contexts = NULL): bool { |
| 537 | $contexts ??= $this->getContexts(); |
| 538 | |
| 539 | if ($contexts === NULL) { |
| 540 | return FALSE; |
| 541 | } |
| 542 | |
| 543 | if (!\array_key_exists('context_requirements', $contexts) |
| 544 | || !($contexts['context_requirements'] instanceof RequirementsContext)) { |
| 545 | return FALSE; |
| 546 | } |
| 547 | |
| 548 | return TRUE; |
| 549 | } |
| 550 | |
| 551 | /** |
| 552 | * {@inheritdoc} |
| 553 | */ |
| 554 | public function hasSaveContextsRequirement(string $key, array $contexts = []): bool { |
| 555 | $contexts = empty($contexts) ? $this->getContexts() : $contexts; |
| 556 | // Some strange edge cases where context is null. |
| 557 | $contexts ??= []; |
| 558 | |
| 559 | if (!\array_key_exists('context_requirements', $contexts) |
| 560 | || !($contexts['context_requirements'] instanceof RequirementsContext) |
| 561 | || !$contexts['context_requirements']->hasValue($key)) { |
| 562 | return FALSE; |
| 563 | } |
| 564 | |
| 565 | return TRUE; |
| 566 | } |
| 567 | |
| 568 | /** |
| 569 | * {@inheritdoc} |
| 570 | */ |
| 571 | public function hasSave(): bool { |
| 572 | return !empty($this->save); |
| 573 | } |
| 574 | |
| 575 | /** |
| 576 | * {@inheritdoc} |
| 577 | */ |
| 578 | public function saveIsCurrent(): bool { |
| 579 | return $this->present->hash === $this->save->hash; |
| 580 | } |
| 581 | |
| 582 | /** |
| 583 | * {@inheritdoc} |
| 584 | */ |
| 585 | public function getPathIndex(array $root = []): array { |
| 586 | if (empty($root)) { |
| 587 | // When called from the outside, root is not already retrieved. |
| 588 | // When called from an other method, it is better to pass an already |
| 589 | // retrieved root, for performance. |
| 590 | $root = $this->getCurrentState(); |
| 591 | } |
| 592 | // It may be slow to rebuild the index every time we request it. But it is |
| 593 | // very difficult to maintain an index synchronized with the state storage |
| 594 | // history. |
| 595 | $this->buildIndexFromSlot([], $root); |
| 596 | |
| 597 | return $this->pathIndex ?? []; |
| 598 | } |
| 599 | |
| 600 | /** |
| 601 | * {@inheritdoc} |
| 602 | * |
| 603 | * @see \Drupal\display_builder\HistoryInterface |
| 604 | */ |
| 605 | public function setNewPresent(array $data, FormattableMarkup|string $log_message = '', bool $check_hash = TRUE): void { |
| 606 | $hash = self::getUniqId($data); |
| 607 | |
| 608 | // Check if this present is the same to avoid duplicates, for example move |
| 609 | // to the same place. |
| 610 | if ($check_hash && $hash === $this->present?->hash) { |
| 611 | return; |
| 612 | } |
| 613 | |
| 614 | // 1. Insert the present at the end of the past. |
| 615 | $this->past[] = $this->present; |
| 616 | |
| 617 | // Keep only the last x history. |
| 618 | if (\count($this->past) > self::MAX_HISTORY) { |
| 619 | \array_shift($this->past); |
| 620 | } |
| 621 | |
| 622 | // 2. Set the present to the new state. |
| 623 | $this->present = new HistoryStep( |
| 624 | $data, |
| 625 | $hash, |
| 626 | $log_message, |
| 627 | \time(), |
| 628 | (int) $this->currentUser()->id(), |
| 629 | ); |
| 630 | |
| 631 | // 3. Clear the future. |
| 632 | $this->future = []; |
| 633 | } |
| 634 | |
| 635 | /** |
| 636 | * {@inheritdoc} |
| 637 | * |
| 638 | * @see \Drupal\display_builder\HistoryInterface |
| 639 | */ |
| 640 | public function getCurrent(): ?HistoryStep { |
| 641 | return $this->present; |
| 642 | } |
| 643 | |
| 644 | /** |
| 645 | * {@inheritdoc} |
| 646 | */ |
| 647 | public static function getUniqId(array $data): int { |
| 648 | return \crc32((string) \serialize($data)); |
| 649 | } |
| 650 | |
| 651 | /** |
| 652 | * Build the index from a slot. |
| 653 | * |
| 654 | * @param array $path |
| 655 | * The path to the slot. |
| 656 | * @param array $data |
| 657 | * (Optional) The slot data. |
| 658 | * |
| 659 | * @return array |
| 660 | * The slot data with the index updated. |
| 661 | */ |
| 662 | private function buildIndexFromSlot(array $path, array $data = []): array { |
| 663 | foreach ($data as $index => $source) { |
| 664 | $source_path = \array_merge($path, [$index]); |
| 665 | $data[$index] = $this->buildIndexFromSource($source_path, $source); |
| 666 | } |
| 667 | |
| 668 | return $data; |
| 669 | } |
| 670 | |
| 671 | /** |
| 672 | * Sample entity generator. |
| 673 | */ |
| 674 | private function sampleEntityGenerator(): SampleEntityGeneratorInterface { |
| 675 | return $this->sampleEntityGenerator ??= \Drupal::service('ui_patterns.sample_entity_generator'); |
| 676 | } |
| 677 | |
| 678 | /** |
| 679 | * Slot source proxy. |
| 680 | */ |
| 681 | private function slotSourceProxy(): SlotSourceProxy { |
| 682 | return $this->slotSourceProxy ??= \Drupal::service('display_builder.slot_sources_proxy'); |
| 683 | } |
| 684 | |
| 685 | /** |
| 686 | * Slot source proxy. |
| 687 | */ |
| 688 | private function currentUser(): AccountInterface { |
| 689 | return $this->currentUser ??= \Drupal::service('current_user'); |
| 690 | } |
| 691 | |
| 692 | /** |
| 693 | * Refresh contexts after loaded from storage. |
| 694 | * |
| 695 | * @param \Drupal\Core\Plugin\Context\ContextInterface[] $contexts |
| 696 | * The contexts. |
| 697 | * |
| 698 | * @throws \Drupal\Component\Plugin\Exception\ContextException |
| 699 | * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException |
| 700 | * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException |
| 701 | * |
| 702 | * @return array |
| 703 | * The refreshed contexts or NULL if no context. |
| 704 | */ |
| 705 | private function refreshContexts(array $contexts): array { |
| 706 | foreach ($contexts as &$context) { |
| 707 | if ($context instanceof EntityContext) { |
| 708 | // @todo We should use cache entries here |
| 709 | // with the corresponding cache contexts in it. |
| 710 | // This may avoid some unnecessary entity loads or generation. |
| 711 | $entity = $context->getContextValue(); |
| 712 | |
| 713 | // Check if sample entity. |
| 714 | if ($entity->id()) { |
| 715 | $entity = $this->entityTypeManager()->getStorage($entity->getEntityTypeId())->load($entity->id()); |
| 716 | } |
| 717 | else { |
| 718 | $entity = $this->sampleEntityGenerator()->get($entity->getEntityTypeId(), $entity->bundle()); |
| 719 | } |
| 720 | |
| 721 | // Edge case when the parent entity is deleted but not the builder |
| 722 | // instance. |
| 723 | if (!$entity) { |
| 724 | return $contexts; |
| 725 | } |
| 726 | $context = (\get_class($context))::fromEntity($entity); |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | return $contexts; |
| 731 | } |
| 732 | |
| 733 | /** |
| 734 | * Change the position of an source in a slot. |
| 735 | * |
| 736 | * @param array $slot |
| 737 | * The slot. |
| 738 | * @param string $node_id |
| 739 | * The node id of the source. |
| 740 | * @param int $to |
| 741 | * The new position. |
| 742 | * |
| 743 | * @return array |
| 744 | * The updated slot. |
| 745 | */ |
| 746 | private function changeSourcePositionInSlot(array $slot, string $node_id, int $to): array { |
| 747 | foreach ($slot as $position => $source) { |
| 748 | if ($source['node_id'] === $node_id) { |
| 749 | $p1 = \array_splice($slot, $position, 1); |
| 750 | $p2 = \array_splice($slot, 0, $to); |
| 751 | |
| 752 | return \array_merge($p2, $p1, $slot); |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | return $slot; |
| 757 | } |
| 758 | |
| 759 | /** |
| 760 | * Get the source nod ID from a path. |
| 761 | * |
| 762 | * @todo may be slow. |
| 763 | * |
| 764 | * @param array $path |
| 765 | * The path to the slot. |
| 766 | */ |
| 767 | private function getNodeId(array $path): string { |
| 768 | $index = $this->getPathIndex(); |
| 769 | |
| 770 | foreach ($index as $node_id => $node_path) { |
| 771 | if ($path === $node_path) { |
| 772 | return $node_id; |
| 773 | } |
| 774 | } |
| 775 | |
| 776 | return ''; |
| 777 | } |
| 778 | |
| 779 | /** |
| 780 | * Add path to index and add node ID to source. |
| 781 | * |
| 782 | * @param array $path |
| 783 | * The path to the slot. |
| 784 | * @param array $data |
| 785 | * (Optional) The slot data. |
| 786 | * |
| 787 | * @return array |
| 788 | * The slot data with the index updated. |
| 789 | */ |
| 790 | private function buildIndexFromSource(array $path, array $data = []): array { |
| 791 | // First job: Add missing node_id keys. |
| 792 | $node_id = $data['node_id'] ?? \uniqid(); |
| 793 | $data['node_id'] = $node_id; |
| 794 | // Second job: Save the path to the index. |
| 795 | $this->pathIndex[$node_id] = $path; |
| 796 | |
| 797 | if (!isset($data['source_id'])) { |
| 798 | return $data; |
| 799 | } |
| 800 | |
| 801 | // Let's continue the exploration. |
| 802 | if ($data['source_id'] !== 'component') { |
| 803 | return $data; |
| 804 | } |
| 805 | |
| 806 | if (!isset($data['source']['component']['slots'])) { |
| 807 | return $data; |
| 808 | } |
| 809 | |
| 810 | foreach ($data['source']['component']['slots'] as $slot_id => $slot) { |
| 811 | if (!isset($slot['sources'])) { |
| 812 | continue; |
| 813 | } |
| 814 | $slot_path = \array_merge($path, ['source', 'component', 'slots', $slot_id, 'sources']); |
| 815 | $slot['sources'] = $this->buildIndexFromSlot($slot_path, $slot['sources']); |
| 816 | $data['source']['component']['slots'][$slot_id] = $slot; |
| 817 | } |
| 818 | |
| 819 | return $data; |
| 820 | } |
| 821 | |
| 822 | /** |
| 823 | * Internal atomic change of the root state. |
| 824 | * |
| 825 | * @param array $root |
| 826 | * The root state. |
| 827 | * @param int $position |
| 828 | * The position where to insert the data. |
| 829 | * @param array $data |
| 830 | * The data to insert. |
| 831 | * |
| 832 | * @return array |
| 833 | * The updated root state |
| 834 | */ |
| 835 | private function doAttachToRoot(array $root, int $position, array $data): array { |
| 836 | \array_splice($root, $position, 0, [$data]); |
| 837 | |
| 838 | return $root; |
| 839 | } |
| 840 | |
| 841 | /** |
| 842 | * Internal atomic change of the root state. |
| 843 | * |
| 844 | * @param array $root |
| 845 | * The root state. |
| 846 | * @param string $parent_id |
| 847 | * The ID of the parent node. |
| 848 | * @param string $slot_id |
| 849 | * The ID of the slot where to insert the data. |
| 850 | * @param int $position |
| 851 | * The position where to insert the data. |
| 852 | * @param array $data |
| 853 | * The data to insert. |
| 854 | * |
| 855 | * @return array |
| 856 | * The updated root state |
| 857 | */ |
| 858 | private function doAttachToSlot(array $root, string $parent_id, string $slot_id, int $position, array $data): array { |
| 859 | $parent_path = $this->getPath($root, $parent_id); |
| 860 | $slot_path = \array_merge($parent_path, ['source', 'component', 'slots', $slot_id, 'sources']); |
| 861 | $slot = NestedArray::getValue($root, $slot_path) ?? []; |
| 862 | \array_splice($slot, $position, 0, [$data]); |
| 863 | NestedArray::setValue($root, $slot_path, $slot); |
| 864 | |
| 865 | return $root; |
| 866 | } |
| 867 | |
| 868 | /** |
| 869 | * Internal atomic change of the root state. |
| 870 | * |
| 871 | * @param array $root |
| 872 | * The root state. |
| 873 | * @param string $node_id |
| 874 | * The node id of the source. |
| 875 | * |
| 876 | * @return array |
| 877 | * The updated root state |
| 878 | */ |
| 879 | private function doRemove(array $root, string $node_id): array { |
| 880 | $path = $this->getPath($root, $node_id); |
| 881 | NestedArray::unsetValue($root, $path); |
| 882 | // To avoid non consecutive array keys, we rebuild the value list. |
| 883 | $slot_path = \array_slice($path, 0, \count($path) - 1); |
| 884 | $slot = NestedArray::getValue($root, $slot_path); |
| 885 | NestedArray::setValue($root, $slot_path, \array_values($slot)); |
| 886 | |
| 887 | return $root; |
| 888 | } |
| 889 | |
| 890 | /** |
| 891 | * Get the path to an source. |
| 892 | * |
| 893 | * @param array $root |
| 894 | * The root state. |
| 895 | * @param string $node_id |
| 896 | * The node id of the source. |
| 897 | * |
| 898 | * @return array |
| 899 | * The path, one array item by level. |
| 900 | */ |
| 901 | private function getPath(array $root, string $node_id): array { |
| 902 | return $this->getPathIndex($root)[$node_id] ?? []; |
| 903 | } |
| 904 | |
| 905 | } |