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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder_entity_view\Controller; |
| 6 | |
| 7 | use Drupal\Core\Access\AccessResult; |
| 8 | use Drupal\Core\Access\AccessResultInterface; |
| 9 | use Drupal\Core\Cache\CacheableMetadata; |
| 10 | use Drupal\Core\Entity\EntityInterface; |
| 11 | use Drupal\Core\Routing\RouteMatchInterface; |
| 12 | use Drupal\Core\Routing\TrustedRedirectResponse; |
| 13 | use Drupal\Core\Session\AccountInterface; |
| 14 | use Drupal\Core\StringTranslation\TranslatableMarkup; |
| 15 | use Drupal\Core\Url; |
| 16 | use Drupal\display_builder\Controller\IntegrationControllerBase; |
| 17 | use Drupal\display_builder\DisplayBuildableInterface; |
| 18 | use Drupal\display_builder_entity_view\Entity\DisplayBuilderOverridableInterface; |
| 19 | use Drupal\display_builder_entity_view\Entity\EntityViewDisplay; |
| 20 | use Symfony\Component\HttpFoundation\Response; |
| 21 | use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException; |
| 22 | |
| 23 | /** |
| 24 | * Defines a controller to get access the Display Builder admin UI. |
| 25 | * |
| 26 | * @internal |
| 27 | * Controller classes are internal. |
| 28 | */ |
| 29 | final class EntityViewOverridesController extends IntegrationControllerBase { |
| 30 | |
| 31 | /** |
| 32 | * Provides a generic title callback for a display used in entities. |
| 33 | * |
| 34 | * @param \Drupal\Core\Routing\RouteMatchInterface $route_match |
| 35 | * The route match object. |
| 36 | * |
| 37 | * @return \Drupal\Core\StringTranslation\TranslatableMarkup |
| 38 | * The title for the display page. |
| 39 | */ |
| 40 | public function title(RouteMatchInterface $route_match): TranslatableMarkup { |
| 41 | $entity_type = $route_match->getParameter('entity_type_id'); |
| 42 | $entity = $route_match->getParameter($entity_type); |
| 43 | $param = [ |
| 44 | '@title' => $entity->label(), |
| 45 | // view_mode_name route parameter is never supposed to be NULL but Drupal |
| 46 | // trigger a warning if we omit to check this. |
| 47 | '@view_mode_name' => $route_match->getParameter('view_mode_name') ?? '', |
| 48 | ]; |
| 49 | |
| 50 | return $this->t('Display builder for @title, @view_mode_name', $param); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Renders the Layout UI for override entities. |
| 55 | * |
| 56 | * @param \Drupal\Core\Routing\RouteMatchInterface $route_match |
| 57 | * The route match object. |
| 58 | * |
| 59 | * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException |
| 60 | * If the entity view display is not found or not overridable. |
| 61 | * |
| 62 | * @return array |
| 63 | * A render array containing the display builder. |
| 64 | */ |
| 65 | public function getBuilder(RouteMatchInterface $route_match): array { |
| 66 | $entity_type_id = $route_match->getParameter('entity_type_id'); |
| 67 | /** @var \Drupal\Core\Entity\FieldableEntityInterface $entity */ |
| 68 | $entity = $route_match->getParameter($entity_type_id); |
| 69 | |
| 70 | $view_mode = $route_match->getParameter('view_mode_name'); |
| 71 | |
| 72 | /** @var \Drupal\display_builder_entity_view\Entity\DisplayBuilderEntityDisplayInterface $entity_display */ |
| 73 | $entity_display = $this->getEntityViewDisplay($entity_type_id, $entity->bundle(), $view_mode); |
| 74 | \assert($entity_display instanceof DisplayBuilderOverridableInterface); |
| 75 | /** @var \Drupal\display_builder\DisplayBuildableInterface $with_display_builder */ |
| 76 | $with_display_builder = $entity->get($entity_display->getDisplayBuilderOverrideField()); |
| 77 | |
| 78 | return $this->renderBuilder($with_display_builder); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Redirects to the default route of a specified component. |
| 83 | * |
| 84 | * @param \Drupal\Core\Routing\RouteMatchInterface $route_match |
| 85 | * The route match object. |
| 86 | * |
| 87 | * @return \Symfony\Component\HttpFoundation\Response |
| 88 | * A response object that redirects to the first available builder. |
| 89 | */ |
| 90 | public function getFirstBuilder(RouteMatchInterface $route_match): Response { |
| 91 | $entity_type_id = $route_match->getParameter('entity_type_id'); |
| 92 | /** @var \Drupal\Core\Entity\FieldableEntityInterface $entity */ |
| 93 | $entity = $route_match->getParameter($entity_type_id); |
| 94 | $account = $this->currentUser(); |
| 95 | $view_mode = $this->getFirstOverridableViewMode($entity, $account); |
| 96 | |
| 97 | if ($view_mode) { |
| 98 | $route = "entity.{$entity_type_id}.display_builder.{$view_mode}"; |
| 99 | $url = Url::fromRoute($route, [$entity_type_id => $entity->id()]); |
| 100 | $response = new TrustedRedirectResponse($url->toString()); |
| 101 | |
| 102 | return $response->addCacheableDependency((new CacheableMetadata())->setCacheMaxAge(0)); |
| 103 | } |
| 104 | |
| 105 | throw new AccessDeniedHttpException(); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Access callback to ensure display tab belongs to current bundle. |
| 110 | * |
| 111 | * @param \Drupal\Core\Routing\RouteMatchInterface $route_match |
| 112 | * The route match object. |
| 113 | * @param \Drupal\Core\Session\AccountInterface $account |
| 114 | * The user account. |
| 115 | * |
| 116 | * @return \Drupal\Core\Access\AccessResultInterface |
| 117 | * The access result. |
| 118 | */ |
| 119 | public function checkAccess(RouteMatchInterface $route_match, AccountInterface $account): AccessResultInterface { |
| 120 | $route = $route_match->getRouteObject(); |
| 121 | |
| 122 | if (!$route) { |
| 123 | return AccessResult::forbidden()->addCacheContexts(['route']); |
| 124 | } |
| 125 | $entity_type_id = $route->getDefault('entity_type_id'); |
| 126 | $entity = $route_match->getParameter($entity_type_id); |
| 127 | $view_mode_name = $route->getDefault('view_mode_name'); |
| 128 | |
| 129 | return $this->overrideBuilderAccessResult($account, $entity, $view_mode_name); |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Access callback for the main display. |
| 134 | * |
| 135 | * @param \Drupal\Core\Routing\RouteMatchInterface $route_match |
| 136 | * The route match object. |
| 137 | * @param \Drupal\Core\Session\AccountInterface $account |
| 138 | * The user account. |
| 139 | * |
| 140 | * @return \Drupal\Core\Access\AccessResultInterface |
| 141 | * The access result. |
| 142 | */ |
| 143 | public function checkFirstBuilderAccess(RouteMatchInterface $route_match, AccountInterface $account): AccessResultInterface { |
| 144 | $entity_type_id = $route_match->getParameter('entity_type_id'); |
| 145 | /** @var \Drupal\Core\Entity\FieldableEntityInterface $entity */ |
| 146 | $entity = $route_match->getParameter($entity_type_id); |
| 147 | $view_mode = $this->getFirstOverridableViewMode($entity, $account); |
| 148 | |
| 149 | if ($view_mode) { |
| 150 | return AccessResult::allowed()->addCacheContexts(['route']); |
| 151 | } |
| 152 | |
| 153 | return AccessResult::forbidden()->addCacheContexts(['route']); |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Get the first overridable view mode of an entity. |
| 158 | * |
| 159 | * @param \Drupal\Core\Entity\EntityInterface $entity |
| 160 | * The entity to check. |
| 161 | * @param \Drupal\Core\Session\AccountInterface $account |
| 162 | * The user account. |
| 163 | * |
| 164 | * @return string|null |
| 165 | * The first overridable view mode name, or NULL if none is found. |
| 166 | */ |
| 167 | protected function getFirstOverridableViewMode(EntityInterface $entity, AccountInterface $account): ?string { |
| 168 | $display_infos = EntityViewDisplay::getDisplayInfos($this->entityTypeManager()); |
| 169 | $view_modes = $display_infos[$entity->getEntityTypeId()]['bundles'][$entity->bundle()] ?? []; |
| 170 | |
| 171 | foreach (\array_keys($view_modes) as $view_mode) { |
| 172 | $access = $this->overrideBuilderAccessResult($account, $entity, (string) $view_mode); |
| 173 | |
| 174 | if ($access->isAllowed()) { |
| 175 | return (string) $view_mode; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return NULL; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Get entity view display entity. |
| 184 | * |
| 185 | * @param string $entity_type_id |
| 186 | * Entity type ID. |
| 187 | * @param string $bundle |
| 188 | * Fieldable entity's bundle. |
| 189 | * @param string $view_mode |
| 190 | * View mode of the display. |
| 191 | * |
| 192 | * @return \Drupal\display_builder\DisplayBuildableInterface|null |
| 193 | * The corresponding entity view display. |
| 194 | */ |
| 195 | protected function getEntityViewDisplay(string $entity_type_id, string $bundle, string $view_mode): ?DisplayBuildableInterface { |
| 196 | $display_id = \sprintf('%s.%s.%s', $entity_type_id, $bundle, $view_mode); |
| 197 | |
| 198 | /** @var \Drupal\display_builder\DisplayBuildableInterface|null $display */ |
| 199 | $display = $this->entityTypeManager()->getStorage('entity_view_display') |
| 200 | ->load($display_id); |
| 201 | |
| 202 | return $display; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Returns AccessResult for given entity and view mode. |
| 207 | * |
| 208 | * Any user with both the permission to edit the content and the one to use |
| 209 | * the display builder profile can override the display. |
| 210 | * The permission to edit the content is already checked with _entity_access |
| 211 | * in DisplayBuilderRoutes so we just need to check the profile permission. |
| 212 | * |
| 213 | * @param \Drupal\Core\Session\AccountInterface $account |
| 214 | * The user account. |
| 215 | * @param \Drupal\Core\Entity\EntityInterface $entity |
| 216 | * The entity to check access for. |
| 217 | * @param string|null $view_mode_name |
| 218 | * The view mode name, or NULL if not applicable. |
| 219 | * |
| 220 | * @return \Drupal\Core\Access\AccessResultInterface |
| 221 | * The access result. |
| 222 | */ |
| 223 | protected function overrideBuilderAccessResult(AccountInterface $account, EntityInterface $entity, ?string $view_mode_name): AccessResultInterface { |
| 224 | $forbidden = AccessResult::forbidden()->addCacheContexts(['route']); |
| 225 | |
| 226 | if ($view_mode_name === NULL) { |
| 227 | return $forbidden; |
| 228 | } |
| 229 | |
| 230 | $display = self::getEntityViewDisplay($entity->getEntityTypeId(), $entity->bundle(), $view_mode_name); |
| 231 | |
| 232 | if (!$display instanceof DisplayBuilderOverridableInterface) { |
| 233 | return $forbidden; |
| 234 | } |
| 235 | |
| 236 | if (!$display->isDisplayBuilderOverridable()) { |
| 237 | return $forbidden; |
| 238 | } |
| 239 | |
| 240 | $permission = $display->getDisplayBuilderOverrideProfile()->getPermissionName(); |
| 241 | |
| 242 | // This is the expected check. |
| 243 | if (!$account->hasPermission($permission)) { |
| 244 | return $forbidden; |
| 245 | } |
| 246 | |
| 247 | return AccessResult::allowed()->addCacheableDependency($display)->addCacheContexts(['route']); |
| 248 | } |
| 249 | |
| 250 | } |