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1 <?php
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2
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3 namespace Drupal\content_translation\Access;
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4
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5 use Drupal\content_translation\ContentTranslationManager;
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6 use Drupal\content_translation\ContentTranslationManagerInterface;
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7 use Drupal\Core\Access\AccessResult;
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8 use Drupal\Core\Entity\ContentEntityInterface;
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9 use Drupal\Core\Entity\EntityTypeManagerInterface;
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10 use Drupal\Core\Routing\Access\AccessInterface;
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11 use Drupal\Core\Routing\RouteMatchInterface;
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12 use Drupal\Core\Session\AccountInterface;
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13 use Drupal\language\Entity\ContentLanguageSettings;
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14 use Drupal\workflows\Entity\Workflow;
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15
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16 /**
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17 * Access check for entity translation deletion.
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18 *
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19 * @internal This additional access checker only aims to prevent deletions in
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20 * pending revisions until we are able to flag revision translations as
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21 * deleted.
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22 *
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23 * @todo Remove this in https://www.drupal.org/node/2945956.
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24 */
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25 class ContentTranslationDeleteAccess implements AccessInterface {
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26
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27 /**
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28 * The entity type manager.
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29 *
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30 * @var \Drupal\Core\Entity\EntityTypeManagerInterface
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31 */
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32 protected $entityTypeManager;
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33
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34 /**
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35 * The content translation manager.
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36 *
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37 * @var \Drupal\content_translation\ContentTranslationManagerInterface
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38 */
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39 protected $contentTranslationManager;
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40
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41 /**
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42 * Constructs a ContentTranslationDeleteAccess object.
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43 *
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44 * @param \Drupal\Core\Entity\EntityTypeManagerInterface $manager
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45 * The entity type manager.
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46 * @param \Drupal\content_translation\ContentTranslationManagerInterface $content_translation_manager
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47 * The content translation manager.
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48 */
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49 public function __construct(EntityTypeManagerInterface $manager, ContentTranslationManagerInterface $content_translation_manager) {
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50 $this->entityTypeManager = $manager;
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51 $this->contentTranslationManager = $content_translation_manager;
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52 }
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53
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54 /**
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55 * Checks access to translation deletion for the specified route match.
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56 *
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57 * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
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58 * The parameterized route.
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59 * @param \Drupal\Core\Session\AccountInterface $account
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60 * The currently logged in account.
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61 *
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62 * @return \Drupal\Core\Access\AccessResultInterface
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63 * The access result.
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64 */
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65 public function access(RouteMatchInterface $route_match, AccountInterface $account) {
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66 $requirement = $route_match->getRouteObject()->getRequirement('_access_content_translation_delete');
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67 $entity_type_id = current(explode('.', $requirement));
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68 $entity = $route_match->getParameter($entity_type_id);
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69 return $this->checkAccess($entity);
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70 }
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71
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72 /**
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73 * Checks access to translation deletion for the specified entity.
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74 *
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75 * @param \Drupal\Core\Entity\ContentEntityInterface $entity
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76 * The entity translation to be deleted.
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77 *
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78 * @return \Drupal\Core\Access\AccessResultInterface
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79 * The access result.
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80 */
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81 public function checkAccess(ContentEntityInterface $entity) {
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82 $result = AccessResult::allowed();
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83
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84 $entity_type_id = $entity->getEntityTypeId();
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85 $result->addCacheableDependency($entity);
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86 // Add the cache dependencies used by
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87 // ContentTranslationManager::isPendingRevisionSupportEnabled().
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88 if (\Drupal::moduleHandler()->moduleExists('content_moderation')) {
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89 foreach (Workflow::loadMultipleByType('content_moderation') as $workflow) {
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90 $result->addCacheableDependency($workflow);
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91 }
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92 }
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93 if (!ContentTranslationManager::isPendingRevisionSupportEnabled($entity_type_id, $entity->bundle())) {
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94 return $result;
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95 }
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96
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97 if ($entity->isDefaultTranslation()) {
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98 return $result;
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99 }
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100
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101 $config = ContentLanguageSettings::load($entity_type_id . '.' . $entity->bundle());
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102 $result->addCacheableDependency($config);
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103 if (!$this->contentTranslationManager->isEnabled($entity_type_id, $entity->bundle())) {
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104 return $result;
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105 }
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106
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107 /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
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108 $storage = $this->entityTypeManager->getStorage($entity_type_id);
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109 $revision_id = $storage->getLatestTranslationAffectedRevisionId($entity->id(), $entity->language()->getId());
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110 if (!$revision_id) {
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111 return $result;
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112 }
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113
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114 /** @var \Drupal\Core\Entity\ContentEntityInterface $revision */
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115 $revision = $storage->loadRevision($revision_id);
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116 if ($revision->wasDefaultRevision()) {
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117 return $result;
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118 }
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119
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120 $result = $result->andIf(AccessResult::forbidden());
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121 return $result;
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122 }
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123
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124 }
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