SensorDblog404.php in Monitoring 7

Contains \Drupal\monitoring\Sensor\Sensors\SensorDblog404.

Namespace

Drupal\monitoring\Sensor\Sensors

File

lib/Drupal/monitoring/Sensor/Sensors/SensorDblog404.php

<?php

/**
 * @file
 * Contains \Drupal\monitoring\Sensor\Sensors\SensorDblog404.
 */
namespace Drupal\monitoring\Sensor\Sensors;

use Drupal\monitoring\Result\SensorResultInterface;

/**
 * Monitors 404 page errors from dblog.
 *
 * Displays URL with highest occurrence as message.
 */
class SensorDblog404 extends SensorDatabaseAggregator {

  /**
   * {@inheritdoc}
   */
  public function buildQuery() {
    $query = parent::buildQuery();
    $query
      ->addField('watchdog', 'message');

    // The message is the requested 404 URL.
    $query
      ->groupBy('message');
    $query
      ->orderBy('records_count', 'DESC');
    $query
      ->range(0, 1);
    return $query;
  }

  /**
   * {@inheritdoc}
   */
  public function runSensor(SensorResultInterface $result) {
    parent::runSensor($result);
    $query_result = $this
      ->fetchObject();
    if (!empty($query_result) && !empty($query_result->message)) {
      $result
        ->addStatusMessage($query_result->message);
    }
  }

}

Classes

Name	Description
SensorDblog404	Monitors 404 page errors from dblog.