diff core/modules/comment/src/Entity/Comment.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/comment/src/Entity/Comment.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,574 @@
+<?php
+
+namespace Drupal\comment\Entity;
+
+use Drupal\Component\Utility\Number;
+use Drupal\Core\Cache\Cache;
+use Drupal\Core\Entity\ContentEntityBase;
+use Drupal\comment\CommentInterface;
+use Drupal\Core\Entity\EntityChangedTrait;
+use Drupal\Core\Entity\EntityPublishedTrait;
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Field\BaseFieldDefinition;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\user\Entity\User;
+use Drupal\user\UserInterface;
+
+/**
+ * Defines the comment entity class.
+ *
+ * @ContentEntityType(
+ *   id = "comment",
+ *   label = @Translation("Comment"),
+ *   label_singular = @Translation("comment"),
+ *   label_plural = @Translation("comments"),
+ *   label_count = @PluralTranslation(
+ *     singular = "@count comment",
+ *     plural = "@count comments",
+ *   ),
+ *   bundle_label = @Translation("Comment type"),
+ *   handlers = {
+ *     "storage" = "Drupal\comment\CommentStorage",
+ *     "storage_schema" = "Drupal\comment\CommentStorageSchema",
+ *     "access" = "Drupal\comment\CommentAccessControlHandler",
+ *     "list_builder" = "Drupal\Core\Entity\EntityListBuilder",
+ *     "view_builder" = "Drupal\comment\CommentViewBuilder",
+ *     "views_data" = "Drupal\comment\CommentViewsData",
+ *     "form" = {
+ *       "default" = "Drupal\comment\CommentForm",
+ *       "delete" = "Drupal\comment\Form\DeleteForm"
+ *     },
+ *     "translation" = "Drupal\comment\CommentTranslationHandler"
+ *   },
+ *   base_table = "comment",
+ *   data_table = "comment_field_data",
+ *   uri_callback = "comment_uri",
+ *   translatable = TRUE,
+ *   entity_keys = {
+ *     "id" = "cid",
+ *     "bundle" = "comment_type",
+ *     "label" = "subject",
+ *     "langcode" = "langcode",
+ *     "uuid" = "uuid",
+ *     "published" = "status",
+ *   },
+ *   links = {
+ *     "canonical" = "/comment/{comment}",
+ *     "delete-form" = "/comment/{comment}/delete",
+ *     "edit-form" = "/comment/{comment}/edit",
+ *     "create" = "/comment",
+ *   },
+ *   bundle_entity_type = "comment_type",
+ *   field_ui_base_route  = "entity.comment_type.edit_form",
+ *   constraints = {
+ *     "CommentName" = {}
+ *   }
+ * )
+ */
+class Comment extends ContentEntityBase implements CommentInterface {
+
+  use EntityChangedTrait;
+  use EntityPublishedTrait;
+
+  /**
+   * The thread for which a lock was acquired.
+   *
+   * @var string
+   */
+  protected $threadLock = '';
+
+  /**
+   * {@inheritdoc}
+   */
+  public function preSave(EntityStorageInterface $storage) {
+    parent::preSave($storage);
+
+    if ($this->isNew()) {
+      // Add the comment to database. This next section builds the thread field.
+      // @see \Drupal\comment\CommentViewBuilder::buildComponents()
+      $thread = $this->getThread();
+      if (empty($thread)) {
+        if ($this->threadLock) {
+          // Thread lock was not released after being set previously.
+          // This suggests there's a bug in code using this class.
+          throw new \LogicException('preSave() is called again without calling postSave() or releaseThreadLock()');
+        }
+        if (!$this->hasParentComment()) {
+          // This is a comment with no parent comment (depth 0): we start
+          // by retrieving the maximum thread level.
+          $max = $storage->getMaxThread($this);
+          // Strip the "/" from the end of the thread.
+          $max = rtrim($max, '/');
+          // We need to get the value at the correct depth.
+          $parts = explode('.', $max);
+          $n = Number::alphadecimalToInt($parts[0]);
+          $prefix = '';
+        }
+        else {
+          // This is a comment with a parent comment, so increase the part of
+          // the thread value at the proper depth.
+
+          // Get the parent comment:
+          $parent = $this->getParentComment();
+          // Strip the "/" from the end of the parent thread.
+          $parent->setThread((string) rtrim((string) $parent->getThread(), '/'));
+          $prefix = $parent->getThread() . '.';
+          // Get the max value in *this* thread.
+          $max = $storage->getMaxThreadPerThread($this);
+
+          if ($max == '') {
+            // First child of this parent. As the other two cases do an
+            // increment of the thread number before creating the thread
+            // string set this to -1 so it requires an increment too.
+            $n = -1;
+          }
+          else {
+            // Strip the "/" at the end of the thread.
+            $max = rtrim($max, '/');
+            // Get the value at the correct depth.
+            $parts = explode('.', $max);
+            $parent_depth = count(explode('.', $parent->getThread()));
+            $n = Number::alphadecimalToInt($parts[$parent_depth]);
+          }
+        }
+        // Finally, build the thread field for this new comment. To avoid
+        // race conditions, get a lock on the thread. If another process already
+        // has the lock, just move to the next integer.
+        do {
+          $thread = $prefix . Number::intToAlphadecimal(++$n) . '/';
+          $lock_name = "comment:{$this->getCommentedEntityId()}:$thread";
+        } while (!\Drupal::lock()->acquire($lock_name));
+        $this->threadLock = $lock_name;
+      }
+      $this->setThread($thread);
+      if (!$this->getHostname()) {
+        // Ensure a client host from the current request.
+        $this->setHostname(\Drupal::request()->getClientIP());
+      }
+    }
+    // The entity fields for name and mail have no meaning if the user is not
+    // Anonymous. Set them to NULL to make it clearer that they are not used.
+    // For anonymous users see \Drupal\comment\CommentForm::form() for mail,
+    // and \Drupal\comment\CommentForm::buildEntity() for name setting.
+    if (!$this->getOwner()->isAnonymous()) {
+      $this->set('name', NULL);
+      $this->set('mail', NULL);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function postSave(EntityStorageInterface $storage, $update = TRUE) {
+    parent::postSave($storage, $update);
+
+    // Always invalidate the cache tag for the commented entity.
+    if ($commented_entity = $this->getCommentedEntity()) {
+      Cache::invalidateTags($commented_entity->getCacheTagsToInvalidate());
+    }
+
+    $this->releaseThreadLock();
+    // Update the {comment_entity_statistics} table prior to executing the hook.
+    \Drupal::service('comment.statistics')->update($this);
+  }
+
+  /**
+   * Release the lock acquired for the thread in preSave().
+   */
+  protected function releaseThreadLock() {
+    if ($this->threadLock) {
+      \Drupal::lock()->release($this->threadLock);
+      $this->threadLock = '';
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function postDelete(EntityStorageInterface $storage, array $entities) {
+    parent::postDelete($storage, $entities);
+
+    $child_cids = $storage->getChildCids($entities);
+    entity_delete_multiple('comment', $child_cids);
+
+    foreach ($entities as $id => $entity) {
+      \Drupal::service('comment.statistics')->update($entity);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function referencedEntities() {
+    $referenced_entities = parent::referencedEntities();
+    if ($this->getCommentedEntityId()) {
+      $referenced_entities[] = $this->getCommentedEntity();
+    }
+    return $referenced_entities;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function permalink() {
+    $uri = $this->urlInfo();
+    $uri->setOption('fragment', 'comment-' . $this->id());
+    return $uri;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
+    /** @var \Drupal\Core\Field\BaseFieldDefinition[] $fields */
+    $fields = parent::baseFieldDefinitions($entity_type);
+    $fields += static::publishedBaseFieldDefinitions($entity_type);
+
+    $fields['cid']->setLabel(t('Comment ID'))
+      ->setDescription(t('The comment ID.'));
+
+    $fields['uuid']->setDescription(t('The comment UUID.'));
+
+    $fields['comment_type']->setLabel(t('Comment Type'))
+      ->setDescription(t('The comment type.'));
+
+    $fields['langcode']->setDescription(t('The comment language code.'));
+
+    // Set the default value callback for the status field.
+    $fields['status']->setDefaultValueCallback('Drupal\comment\Entity\Comment::getDefaultStatus');
+
+    $fields['pid'] = BaseFieldDefinition::create('entity_reference')
+      ->setLabel(t('Parent ID'))
+      ->setDescription(t('The parent comment ID if this is a reply to a comment.'))
+      ->setSetting('target_type', 'comment');
+
+    $fields['entity_id'] = BaseFieldDefinition::create('entity_reference')
+      ->setLabel(t('Entity ID'))
+      ->setDescription(t('The ID of the entity of which this comment is a reply.'))
+      ->setRequired(TRUE);
+
+    $fields['subject'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Subject'))
+      ->setTranslatable(TRUE)
+      ->setSetting('max_length', 64)
+      ->setDisplayOptions('form', [
+        'type' => 'string_textfield',
+        // Default comment body field has weight 20.
+        'weight' => 10,
+      ])
+      ->setDisplayConfigurable('form', TRUE);
+
+    $fields['uid'] = BaseFieldDefinition::create('entity_reference')
+      ->setLabel(t('User ID'))
+      ->setDescription(t('The user ID of the comment author.'))
+      ->setTranslatable(TRUE)
+      ->setSetting('target_type', 'user')
+      ->setDefaultValue(0);
+
+    $fields['name'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Name'))
+      ->setDescription(t("The comment author's name."))
+      ->setTranslatable(TRUE)
+      ->setSetting('max_length', 60)
+      ->setDefaultValue('');
+
+    $fields['mail'] = BaseFieldDefinition::create('email')
+      ->setLabel(t('Email'))
+      ->setDescription(t("The comment author's email address."))
+      ->setTranslatable(TRUE);
+
+    $fields['homepage'] = BaseFieldDefinition::create('uri')
+      ->setLabel(t('Homepage'))
+      ->setDescription(t("The comment author's home page address."))
+      ->setTranslatable(TRUE)
+      // URIs are not length limited by RFC 2616, but we can only store 255
+      // characters in our comment DB schema.
+      ->setSetting('max_length', 255);
+
+    $fields['hostname'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Hostname'))
+      ->setDescription(t("The comment author's hostname."))
+      ->setTranslatable(TRUE)
+      ->setSetting('max_length', 128);
+
+    $fields['created'] = BaseFieldDefinition::create('created')
+      ->setLabel(t('Created'))
+      ->setDescription(t('The time that the comment was created.'))
+      ->setTranslatable(TRUE);
+
+    $fields['changed'] = BaseFieldDefinition::create('changed')
+      ->setLabel(t('Changed'))
+      ->setDescription(t('The time that the comment was last edited.'))
+      ->setTranslatable(TRUE);
+
+    $fields['thread'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Thread place'))
+      ->setDescription(t("The alphadecimal representation of the comment's place in a thread, consisting of a base 36 string prefixed by an integer indicating its length."))
+      ->setSetting('max_length', 255);
+
+    $fields['entity_type'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Entity type'))
+      ->setDescription(t('The entity type to which this comment is attached.'))
+      ->setSetting('is_ascii', TRUE)
+      ->setSetting('max_length', EntityTypeInterface::ID_MAX_LENGTH);
+
+    $fields['field_name'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Comment field name'))
+      ->setDescription(t('The field name through which this comment was added.'))
+      ->setSetting('is_ascii', TRUE)
+      ->setSetting('max_length', FieldStorageConfig::NAME_MAX_LENGTH);
+
+    return $fields;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function bundleFieldDefinitions(EntityTypeInterface $entity_type, $bundle, array $base_field_definitions) {
+    if ($comment_type = CommentType::load($bundle)) {
+      $fields['entity_id'] = clone $base_field_definitions['entity_id'];
+      $fields['entity_id']->setSetting('target_type', $comment_type->getTargetEntityTypeId());
+      return $fields;
+    }
+    return [];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function hasParentComment() {
+    return (bool) $this->get('pid')->target_id;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getParentComment() {
+    return $this->get('pid')->entity;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCommentedEntity() {
+    return $this->get('entity_id')->entity;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCommentedEntityId() {
+    return $this->get('entity_id')->target_id;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCommentedEntityTypeId() {
+    return $this->get('entity_type')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setFieldName($field_name) {
+    $this->set('field_name', $field_name);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFieldName() {
+    return $this->get('field_name')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSubject() {
+    return $this->get('subject')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setSubject($subject) {
+    $this->set('subject', $subject);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getAuthorName() {
+    if ($this->get('uid')->target_id) {
+      return $this->get('uid')->entity->label();
+    }
+    return $this->get('name')->value ?: \Drupal::config('user.settings')->get('anonymous');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setAuthorName($name) {
+    $this->set('name', $name);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getAuthorEmail() {
+    $mail = $this->get('mail')->value;
+
+    if ($this->get('uid')->target_id != 0) {
+      $mail = $this->get('uid')->entity->getEmail();
+    }
+
+    return $mail;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getHomepage() {
+    return $this->get('homepage')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setHomepage($homepage) {
+    $this->set('homepage', $homepage);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getHostname() {
+    return $this->get('hostname')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setHostname($hostname) {
+    $this->set('hostname', $hostname);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCreatedTime() {
+    if (isset($this->get('created')->value)) {
+      return $this->get('created')->value;
+    }
+    return NULL;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setCreatedTime($created) {
+    $this->set('created', $created);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getStatus() {
+    return $this->get('status')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getThread() {
+    $thread = $this->get('thread');
+    if (!empty($thread->value)) {
+      return $thread->value;
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setThread($thread) {
+    $this->set('thread', $thread);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function preCreate(EntityStorageInterface $storage, array &$values) {
+    if (empty($values['comment_type']) && !empty($values['field_name']) && !empty($values['entity_type'])) {
+      $field_storage = FieldStorageConfig::loadByName($values['entity_type'], $values['field_name']);
+      $values['comment_type'] = $field_storage->getSetting('comment_type');
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getOwner() {
+    $user = $this->get('uid')->entity;
+    if (!$user || $user->isAnonymous()) {
+      $user = User::getAnonymousUser();
+      $user->name = $this->getAuthorName();
+      $user->homepage = $this->getHomepage();
+    }
+    return $user;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getOwnerId() {
+    return $this->get('uid')->target_id;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setOwnerId($uid) {
+    $this->set('uid', $uid);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setOwner(UserInterface $account) {
+    $this->set('uid', $account->id());
+    return $this;
+  }
+
+  /**
+   * Get the comment type ID for this comment.
+   *
+   * @return string
+   *   The ID of the comment type.
+   */
+  public function getTypeId() {
+    return $this->bundle();
+  }
+
+  /**
+   * Default value callback for 'status' base field definition.
+   *
+   * @see ::baseFieldDefinitions()
+   *
+   * @return bool
+   *   TRUE if the comment should be published, FALSE otherwise.
+   */
+  public static function getDefaultStatus() {
+    return \Drupal::currentUser()->hasPermission('skip comment approval') ? CommentInterface::PUBLISHED : CommentInterface::NOT_PUBLISHED;
+  }
+
+}