public function CommentStorage::getDisplayOrdinal in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/comment/src/CommentStorage.php \Drupal\comment\CommentStorage::getDisplayOrdinal()
2. 10 core/modules/comment/src/CommentStorage.php \Drupal\comment\CommentStorage::getDisplayOrdinal()

Gets the display ordinal or page number for a comment.

Parameters

\Drupal\comment\CommentInterface $comment: The comment to use as a reference point.

int $comment_mode: The comment display mode: CommentManagerInterface::COMMENT_MODE_FLAT or CommentManagerInterface::COMMENT_MODE_THREADED.

int $divisor: Defaults to 1, which returns the display ordinal for a comment. If the number of comments per page is provided, the returned value will be the page number. (The return value will be divided by $divisor.)

Return value

int The display ordinal or page number for the comment. It is 0-based, so will represent the number of items before the given comment/page.

Overrides CommentStorageInterface::getDisplayOrdinal

File

core/modules/comment/src/CommentStorage.php, line 111

Class

CommentStorage

Defines the storage handler class for comments.

Namespace

Drupal\comment

Code

public function getDisplayOrdinal(CommentInterface $comment, $comment_mode, $divisor = 1) {

  // Count how many comments (c1) are before $comment (c2) in display order.
  // This is the 0-based display ordinal.
  $data_table = $this
    ->getDataTable();
  $query = $this->database
    ->select($data_table, 'c1');
  $query
    ->innerJoin($data_table, 'c2', '[c2].[entity_id] = [c1].[entity_id] AND [c2].[entity_type] = [c1].[entity_type] AND [c2].[field_name] = [c1].[field_name]');
  $query
    ->addExpression('COUNT(*)', 'count');
  $query
    ->condition('c2.cid', $comment
    ->id());
  if (!$this->currentUser
    ->hasPermission('administer comments')) {
    $query
      ->condition('c1.status', CommentInterface::PUBLISHED);
  }
  if ($comment_mode == CommentManagerInterface::COMMENT_MODE_FLAT) {

    // For rendering flat comments, cid is used for ordering comments due to
    // unpredictable behavior with timestamp, so we make the same assumption
    // here.
    $query
      ->condition('c1.cid', $comment
      ->id(), '<');
  }
  else {

    // For threaded comments, the c.thread column is used for ordering. We can
    // use the sorting code for comparison, but must remove the trailing
    // slash.
    $query
      ->where('SUBSTRING([c1].[thread], 1, (LENGTH([c1].[thread]) - 1)) < SUBSTRING([c2].[thread], 1, (LENGTH([c2].[thread]) - 1))');
  }
  $query
    ->condition('c1.default_langcode', 1);
  $query
    ->condition('c2.default_langcode', 1);
  $ordinal = $query
    ->execute()
    ->fetchField();
  return $divisor > 1 ? floor($ordinal / $divisor) : $ordinal;
}