public function DbLogController::topLogMessages in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/dblog/src/Controller/DbLogController.php \Drupal\dblog\Controller\DbLogController::topLogMessages()
2. 10 core/modules/dblog/src/Controller/DbLogController.php \Drupal\dblog\Controller\DbLogController::topLogMessages()

Shows the most frequent log messages of a given event type.

Messages are not truncated on this page because events detailed herein do not have links to a detailed view.

Parameters

string $type: Type of database log events to display (e.g., 'search').

Return value

array A build array in the format expected by \Drupal\Core\Render\RendererInterface::render().

1 string reference to 'DbLogController::topLogMessages'

dblog.routing.yml in core/modules/dblog/dblog.routing.yml

core/modules/dblog/dblog.routing.yml

File

core/modules/dblog/src/Controller/DbLogController.php, line 419

Class

DbLogController

Returns responses for dblog routes.

Namespace

Drupal\dblog\Controller

Code

public function topLogMessages($type) {
  $header = [
    [
      'data' => $this
        ->t('Count'),
      'field' => 'count',
      'sort' => 'desc',
    ],
    [
      'data' => $this
        ->t('Message'),
      'field' => 'message',
    ],
  ];
  $count_query = $this->database
    ->select('watchdog');
  $count_query
    ->addExpression('COUNT(DISTINCT(message))');
  $count_query
    ->condition('type', $type);
  $query = $this->database
    ->select('watchdog', 'w')
    ->extend('\\Drupal\\Core\\Database\\Query\\PagerSelectExtender')
    ->extend('\\Drupal\\Core\\Database\\Query\\TableSortExtender');
  $query
    ->addExpression('COUNT(wid)', 'count');
  $query = $query
    ->fields('w', [
    'message',
    'variables',
  ])
    ->condition('w.type', $type)
    ->groupBy('message')
    ->groupBy('variables')
    ->limit(30)
    ->orderByHeader($header);
  $query
    ->setCountQuery($count_query);
  $result = $query
    ->execute();
  $rows = [];
  foreach ($result as $dblog) {
    if ($message = $this
      ->formatMessage($dblog)) {
      $rows[] = [
        $dblog->count,
        $message,
      ];
    }
  }
  $build['dblog_top_table'] = [
    '#type' => 'table',
    '#header' => $header,
    '#rows' => $rows,
    '#empty' => $this
      ->t('No log messages available.'),
    '#attached' => [
      'library' => [
        'dblog/drupal.dblog',
      ],
    ],
  ];
  $build['dblog_top_pager'] = [
    '#type' => 'pager',
  ];
  return $build;
}