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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder_page_layout\Entity; |
| 6 | |
| 7 | use Drupal\Core\Access\AccessResult; |
| 8 | use Drupal\Core\Access\AccessResultInterface; |
| 9 | use Drupal\Core\Condition\ConditionPluginCollection; |
| 10 | use Drupal\Core\Config\Entity\ConfigEntityBase; |
| 11 | use Drupal\Core\Entity\Attribute\ConfigEntityType; |
| 12 | use Drupal\Core\Entity\EntityDeleteForm; |
| 13 | use Drupal\Core\Entity\EntityStorageInterface; |
| 14 | use Drupal\Core\Session\AccountInterface; |
| 15 | use Drupal\Core\StringTranslation\TranslatableMarkup; |
| 16 | use Drupal\Core\Url; |
| 17 | use Drupal\display_builder\ConfigFormBuilderInterface; |
| 18 | use Drupal\display_builder\DisplayBuilderHelpers; |
| 19 | use Drupal\display_builder\InstanceInterface; |
| 20 | use Drupal\display_builder\ProfileInterface; |
| 21 | use Drupal\display_builder_page_layout\AccessControlHandler; |
| 22 | use Drupal\display_builder_page_layout\Form\PageLayoutForm; |
| 23 | use Drupal\display_builder_page_layout\PageLayoutInterface; |
| 24 | use Drupal\display_builder_page_layout\PageLayoutListBuilder; |
| 25 | use Drupal\ui_patterns\Plugin\Context\RequirementsContext; |
| 26 | use Drupal\ui_patterns\SourcePluginManager; |
| 27 | |
| 28 | /** |
| 29 | * Defines the page layout entity type. |
| 30 | */ |
| 31 | #[ConfigEntityType( |
| 32 | id: 'page_layout', |
| 33 | label: new TranslatableMarkup('Page layout'), |
| 34 | label_collection: new TranslatableMarkup('Page layouts'), |
| 35 | label_singular: new TranslatableMarkup('page layout'), |
| 36 | label_plural: new TranslatableMarkup('page layouts'), |
| 37 | config_prefix: 'page_layout', |
| 38 | entity_keys: [ |
| 39 | 'id' => 'id', |
| 40 | 'label' => 'label', |
| 41 | 'weight' => 'weight', |
| 42 | 'uuid' => 'uuid', |
| 43 | ], |
| 44 | handlers: [ |
| 45 | 'access' => AccessControlHandler::class, |
| 46 | 'list_builder' => PageLayoutListBuilder::class, |
| 47 | 'form' => [ |
| 48 | 'add' => PageLayoutForm::class, |
| 49 | 'edit' => PageLayoutForm::class, |
| 50 | 'delete' => EntityDeleteForm::class, |
| 51 | ], |
| 52 | ], |
| 53 | links: [ |
| 54 | 'collection' => '/admin/structure/page-layout', |
| 55 | 'add-form' => '/admin/structure/page-layout/add', |
| 56 | 'edit-form' => '/admin/structure/page-layout/{page_layout}', |
| 57 | 'display-builder' => '/admin/structure/page-layout/{page_layout}/builder', |
| 58 | 'delete-form' => '/admin/structure/page-layout/{page_layout}/delete', |
| 59 | ], |
| 60 | admin_permission: 'administer page_layout', |
| 61 | label_count: [ |
| 62 | 'singular' => '@count page layout', |
| 63 | 'plural' => '@count page layouts', |
| 64 | ], |
| 65 | config_export: [ |
| 66 | 'id', |
| 67 | 'label', |
| 68 | 'weight', |
| 69 | ConfigFormBuilderInterface::PROFILE_PROPERTY, |
| 70 | ConfigFormBuilderInterface::SOURCES_PROPERTY, |
| 71 | 'conditions', |
| 72 | ], |
| 73 | )] |
| 74 | final class PageLayout extends ConfigEntityBase implements PageLayoutInterface { |
| 75 | |
| 76 | /** |
| 77 | * The example ID. |
| 78 | */ |
| 79 | protected string $id; |
| 80 | |
| 81 | /** |
| 82 | * The example label. |
| 83 | */ |
| 84 | protected string $label; |
| 85 | |
| 86 | /** |
| 87 | * Weight of this page layout when negotiating the page variant. |
| 88 | * |
| 89 | * The first/lowest that is accessible according to conditions is loaded. |
| 90 | * |
| 91 | * @var int |
| 92 | */ |
| 93 | protected $weight = 0; |
| 94 | |
| 95 | /** |
| 96 | * Display Builder Profile ID. |
| 97 | */ |
| 98 | protected string $profile = ''; |
| 99 | |
| 100 | /** |
| 101 | * A list of sources plugins. |
| 102 | * |
| 103 | * @var array |
| 104 | */ |
| 105 | protected $sources = []; |
| 106 | |
| 107 | /** |
| 108 | * Condition settings for storage. |
| 109 | * |
| 110 | * @var array |
| 111 | */ |
| 112 | protected $conditions = []; |
| 113 | |
| 114 | /** |
| 115 | * The loaded display builder instance. |
| 116 | */ |
| 117 | protected ?InstanceInterface $instance; |
| 118 | |
| 119 | /** |
| 120 | * The conditions plugins for this page. |
| 121 | */ |
| 122 | private ConditionPluginCollection $conditionPluginCollection; |
| 123 | |
| 124 | /** |
| 125 | * {@inheritdoc} |
| 126 | */ |
| 127 | public static function getPrefix(): string { |
| 128 | return 'page_layout__'; |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * {@inheritdoc} |
| 133 | */ |
| 134 | public function getPluginCollections(): array { |
| 135 | return [ |
| 136 | 'conditions' => $this->getConditions(), |
| 137 | ]; |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * {@inheritdoc} |
| 142 | */ |
| 143 | public static function getContextRequirement(): string { |
| 144 | return 'page'; |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * {@inheritdoc} |
| 149 | */ |
| 150 | public static function checkInstanceId(string $instance_id): ?array { |
| 151 | if (!\str_starts_with($instance_id, self::getPrefix())) { |
| 152 | return NULL; |
| 153 | } |
| 154 | [, $page_layout] = \explode('__', $instance_id); |
| 155 | |
| 156 | return [ |
| 157 | 'page_layout' => $page_layout, |
| 158 | ]; |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * {@inheritdoc} |
| 163 | */ |
| 164 | public function getBuilderUrl(): Url { |
| 165 | return Url::fromRoute('entity.page_layout.display_builder', ['page_layout' => $this->id()]); |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * {@inheritdoc} |
| 170 | */ |
| 171 | public static function getUrlFromInstanceId(string $instance_id): Url { |
| 172 | $params = self::checkInstanceId($instance_id); |
| 173 | |
| 174 | if (!$params) { |
| 175 | // Fallback to the list of instances. |
| 176 | return Url::fromRoute('entity.display_builder_instance.collection'); |
| 177 | } |
| 178 | |
| 179 | return Url::fromRoute('entity.page_layout.display_builder', $params); |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * {@inheritdoc} |
| 184 | */ |
| 185 | public static function getDisplayUrlFromInstanceId(string $instance_id): Url { |
| 186 | $params = self::checkInstanceId($instance_id); |
| 187 | |
| 188 | if (!$params) { |
| 189 | // Fallback to the list of instances. |
| 190 | return Url::fromRoute('entity.display_builder_instance.collection'); |
| 191 | } |
| 192 | |
| 193 | return Url::fromRoute('entity.page_layout.edit_form', $params); |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * {@inheritdoc} |
| 198 | */ |
| 199 | public function getProfile(): ?ProfileInterface { |
| 200 | $storage = $this->entityTypeManager()->getStorage('display_builder_profile'); |
| 201 | $profile_id = $this->get(ConfigFormBuilderInterface::PROFILE_PROPERTY); |
| 202 | |
| 203 | if (!$profile_id) { |
| 204 | return NULL; |
| 205 | } |
| 206 | |
| 207 | /** @var \Drupal\display_builder\ProfileInterface $builder */ |
| 208 | $builder = $storage->load($profile_id); |
| 209 | |
| 210 | return $builder; |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * {@inheritdoc} |
| 215 | */ |
| 216 | public function getInstanceId(): ?string { |
| 217 | // Usually an entity is new if no ID exists for it yet. |
| 218 | if ($this->isNew()) { |
| 219 | return NULL; |
| 220 | } |
| 221 | |
| 222 | return \sprintf('%s%s', self::getPrefix(), $this->id()); |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * {@inheritdoc} |
| 227 | */ |
| 228 | public static function checkAccess(string $instance_id, AccountInterface $account): AccessResultInterface { |
| 229 | return $account->hasPermission('administer page_layout') ? AccessResult::allowed() : AccessResult::forbidden(); |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * {@inheritdoc} |
| 234 | */ |
| 235 | public function initInstanceIfMissing(): void { |
| 236 | /** @var \Drupal\display_builder\InstanceStorage $storage */ |
| 237 | $storage = $this->entityTypeManager()->getStorage('display_builder_instance'); |
| 238 | |
| 239 | /** @var \Drupal\display_builder\InstanceInterface $instance */ |
| 240 | $instance = $storage->load($this->getInstanceId()); |
| 241 | |
| 242 | if (!$instance) { |
| 243 | $instance = $storage->createFromImplementation($this); |
| 244 | $instance->save(); |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * {@inheritdoc} |
| 250 | */ |
| 251 | public function getInitialSources(): array { |
| 252 | $sources = $this->getSources(); |
| 253 | |
| 254 | if (empty($sources)) { |
| 255 | // Fallback to a fixture mimicking the standard page layout. |
| 256 | $sources = DisplayBuilderHelpers::getFixtureDataFromExtension('display_builder_page_layout', 'default_page_layout'); |
| 257 | } |
| 258 | |
| 259 | return $sources; |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * {@inheritdoc} |
| 264 | */ |
| 265 | public function getInitialContext(): array { |
| 266 | $contexts = []; |
| 267 | $contexts = RequirementsContext::addToContext([self::getContextRequirement()], $contexts); |
| 268 | |
| 269 | return $contexts; |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * {@inheritdoc} |
| 274 | */ |
| 275 | public function getSources(): array { |
| 276 | return $this->sources; |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * {@inheritdoc} |
| 281 | */ |
| 282 | public function saveSources(): void { |
| 283 | $this->sources = $this->getInstance()->getCurrentState(); |
| 284 | $this->save(); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * {@inheritdoc} |
| 289 | */ |
| 290 | public function getConditions(): ConditionPluginCollection { |
| 291 | if (!isset($this->conditionPluginCollection)) { |
| 292 | // Static call because EntityBase and descendants don't support |
| 293 | // dependency injection. |
| 294 | $manager = \Drupal::service('plugin.manager.condition'); |
| 295 | $this->conditionPluginCollection = new ConditionPluginCollection($manager, $this->get('conditions')); |
| 296 | } |
| 297 | |
| 298 | return $this->conditionPluginCollection; |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * {@inheritdoc} |
| 303 | */ |
| 304 | public function calculateDependencies(): PageLayout { |
| 305 | parent::calculateDependencies(); |
| 306 | $display_builder = $this->getProfile(); |
| 307 | $instance = $this->getInstance(); |
| 308 | |
| 309 | if ($display_builder && $instance) { |
| 310 | $this->addDependency('config', $display_builder->getConfigDependencyName()); |
| 311 | $contexts = $instance->getContexts() ?? []; |
| 312 | |
| 313 | foreach ($this->getSources() as $source_data) { |
| 314 | /** @var \Drupal\ui_patterns\SourceInterface $source */ |
| 315 | $source = $this->sourceManager()->getSource('', [], $source_data, $contexts); |
| 316 | $this->addDependencies($source->calculateDependencies()); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | return $this; |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | * {@inheritdoc} |
| 325 | */ |
| 326 | public function delete(): void { |
| 327 | if ($this->getInstance()) { |
| 328 | $storage = $this->entityTypeManager()->getStorage('display_builder_instance'); |
| 329 | $storage->delete([$this->getInstance()]); |
| 330 | } |
| 331 | |
| 332 | parent::delete(); |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * {@inheritdoc} |
| 337 | */ |
| 338 | public function postSave(EntityStorageInterface $storage, $update = TRUE): void { |
| 339 | $this->initInstanceIfMissing(); |
| 340 | $instance = $this->getInstance(); |
| 341 | |
| 342 | // Save the profile in the instance if changed. |
| 343 | if ($instance->getProfile()->id() !== $this->profile) { |
| 344 | $instance->setProfile($this->profile); |
| 345 | $instance->save(); |
| 346 | } |
| 347 | |
| 348 | if ($this->isImpactingPageVariantDetection($update)) { |
| 349 | // In DisplayBuilderPageVariant we add PageLayout::>getCacheTags() to the |
| 350 | // page renderable but it works only for the pages already managed by |
| 351 | // Display Builder. |
| 352 | // In PageVariantSubscriber::onSelectPageDisplayVariant() we add a custom |
| 353 | // tag for the others. |
| 354 | /** @var \Drupal\Core\Config\Entity\ConfigEntityTypeInterface $entity_type */ |
| 355 | $entity_type = $this->getEntityType(); |
| 356 | \Drupal::service('cache_tags.invalidator')->invalidateTags([$entity_type->getConfigPrefix()]); |
| 357 | } |
| 358 | |
| 359 | parent::postSave($storage, $update); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * Does the page cache need to be flushed? |
| 364 | * |
| 365 | * Flushing a cache is something to be careful enough. Let's flush only when |
| 366 | * needed. |
| 367 | * |
| 368 | * @param bool $update |
| 369 | * TRUE if the entity has been updated, or FALSE if it has been inserted. |
| 370 | * |
| 371 | * @return bool |
| 372 | * TRUE if the cache need to be flushed. |
| 373 | */ |
| 374 | private function isImpactingPageVariantDetection(bool $update = TRUE): bool { |
| 375 | // A new active page layout has been added. |
| 376 | if (!$update && $this->status && !empty($this->sources)) { |
| 377 | return TRUE; |
| 378 | } |
| 379 | |
| 380 | // Other additions have no impact. |
| 381 | if (!$update) { |
| 382 | return FALSE; |
| 383 | } |
| 384 | |
| 385 | $previous = $this->originalEntity; |
| 386 | |
| 387 | // Those properties are impacting AccessControlHandler logic and |
| 388 | // PageVariantSubscriber results. |
| 389 | foreach (['weight', 'conditions', 'status'] as $property) { |
| 390 | if ($this->get($property) !== $previous->get($property)) { |
| 391 | return TRUE; |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | // A page layout with empty sources is skipped by AccessControlHandler. |
| 396 | // This is also altering PageVariantSubscriber results. |
| 397 | if (empty($this->sources) !== empty($previous->get('sources'))) { |
| 398 | return TRUE; |
| 399 | } |
| 400 | |
| 401 | return FALSE; |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * Gets the Display Builder instance. |
| 406 | * |
| 407 | * @return \Drupal\display_builder\InstanceInterface|null |
| 408 | * A display builder instance. |
| 409 | */ |
| 410 | private function getInstance(): ?InstanceInterface { |
| 411 | if (!$this->getInstanceId()) { |
| 412 | return NULL; |
| 413 | } |
| 414 | |
| 415 | if (!isset($this->instance)) { |
| 416 | /** @var \Drupal\display_builder\InstanceInterface|null $instance */ |
| 417 | $instance = $this->entityTypeManager()->getStorage('display_builder_instance')->load($this->getInstanceId()); |
| 418 | $this->instance = $instance; |
| 419 | } |
| 420 | |
| 421 | return $this->instance; |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * Gets the UI Patterns Source plugins manager. |
| 426 | * |
| 427 | * @return \Drupal\ui_patterns\SourcePluginManager |
| 428 | * The manager for source plugins. |
| 429 | */ |
| 430 | private function sourceManager(): SourcePluginManager { |
| 431 | return \Drupal::service('plugin.manager.ui_patterns_source'); |
| 432 | } |
| 433 | |
| 434 | } |