drupal/modules/statistics/statistics.admin.inc

<?php
// $Id$

/**
 * @file
 * Admin page callbacks for the statistics module.
 */

/**
 * Menu callback; presents the "recent hits" page.
 */
function statistics_recent_hits() {
  $header = array(
    array('data' => t('Timestamp'), 'field' => 'a.timestamp', 'sort' => 'desc'),
    array('data' => t('Page'), 'field' => 'a.path'),
    array('data' => t('User'), 'field' => 'u.name'),
    array('data' => t('Operations'))
  );

  $query = db_select('accesslog', 'a')->extend('PagerDefault')->extend('TableSort');
  $query->join('users', 'u', 'a.uid = u.uid');
  $query
    ->fields('a', array('aid', 'timestamp', 'path', 'title', 'uid'))
    ->fields('u', array('name'))
    ->limit(30)
    ->orderByHeader($header);

  $result = $query->execute();
  $rows = array();
  foreach ($result as $log) {
    $rows[] = array(
      array('data' => format_date($log->timestamp, 'small'), 'class' => 'nowrap'),
      _statistics_format_item($log->title, $log->path),
      theme('username', $log),
      l(t('details'), "admin/reports/access/$log->aid"));
  }

  if (empty($rows)) {
    $rows[] = array(array('data' => t('No statistics available.'), 'colspan' => 4));
  }

  $output = theme('table', $header, $rows);
  $output .= theme('pager', NULL);
  return $output;
}

/**
 * Menu callback; presents the "top pages" page.
 */
function statistics_top_pages() {
  $header = array(
    array('data' => t('Hits'), 'field' => 'hits', 'sort' => 'desc'),
    array('data' => t('Page'), 'field' => 'path'),
    array('data' => t('Average page generation time'), 'field' => 'average_time'),
    array('data' => t('Total page generation time'), 'field' => 'total_time')
  );

  $query = db_select('accesslog')->extend('PagerDefault')->extend('TableSort');
  $query->addExpression('COUNT(path)', 'hits');
  // MAX(title) avoids having empty node titles which otherwise causes duplicates in the top pages list
  $query->addExpression('MAX(title)', 'title');
  $query->addExpression('AVG(timer)', 'average_time');
  $query->addExpression('SUM(timer)', 'total_time');
  
  $query
    ->fields('accesslog', array('path'))
    ->groupBy('path')
    ->limit(30)
    ->orderByHeader($header);

  $count_query = db_select('accesslog');
  $count_query->addExpression('COUNT(DISTINCT path)');
  $query->setCountQuery($count_query);

  $result = $query->execute();
  $rows = array();
  foreach ($result as $page) {
    $rows[] = array($page->hits, _statistics_format_item($page->title, $page->path), t('%time ms', array('%time' => round($page->average_time))), format_interval(round($page->total_time / 1000)));
  }

  if (empty($rows)) {
    $rows[] = array(array('data' => t('No statistics available.'), 'colspan' => 4));
  }

  drupal_set_title(t('Top pages in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))), PASS_THROUGH);
  $output = theme('table', $header, $rows);
  $output .= theme('pager', NULL);
  return $output;
}

/**
 * Menu callback; presents the "top visitors" page.
 */
function statistics_top_visitors() {

  $header = array(
    array('data' => t('Hits'), 'field' => 'hits', 'sort' => 'desc'),
    array('data' => t('Visitor'), 'field' => 'u.name'),
    array('data' => t('Total page generation time'), 'field' => 'total'),
    array('data' => user_access('block IP addresses') ? t('Operations') : '', 'colspan' => 2),
  );
  $query = db_select('accesslog', 'a')->extend('PagerDefault')->extend('TableSort');
  $query->leftJoin('blocked_ips', 'bl', 'a.hostname = bl.ip');
  $query->leftJoin('users', 'u', 'a.uid = u.uid');

  $query->addExpression('COUNT(a.uid)', 'hits');
  $query->addExpression('SUM(a.timer)', 'total');
  $query
    ->fields('a', array('uid', 'hostname'))
    ->fields('u', array('name'))
    ->fields('bl', array('iid'))
    ->groupBy('a.hostname')
    ->groupBy('a.uid')
    ->groupBy('u.name')
    ->groupBy('bl.iid')
    ->limit(30)
    ->orderByHeader($header);

  $count_query = db_select('accesslog');
  $count_query->addExpression('COUNT(DISTINCT CONCAT(CAST(uid AS char), hostname))');
  $query->setCountQuery($count_query);
  
  $result = $query->execute();
  $rows = array();
  foreach ($result as $account) {
    $qs = drupal_get_destination();
    $ban_link =  $account->iid ? l(t('unblock IP address'), "admin/settings/ip-blocking/delete/$account->iid", array('query' => $qs)) : l(t('block IP address'), "admin/settings/ip-blocking/$account->hostname", array('query' => $qs));
    $rows[] = array($account->hits, ($account->uid ? theme('username', $account) : $account->hostname), format_interval(round($account->total / 1000)), (user_access('block IP addresses') && !$account->uid) ? $ban_link : '');
  }

  if (empty($rows)) {
    $rows[] = array(array('data' => t('No statistics available.'), 'colspan' => 4));
  }

  drupal_set_title(t('Top visitors in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))), PASS_THROUGH);
  $output = theme('table', $header, $rows);
  $output .= theme('pager', NULL);
  return $output;
}

/**
 * Menu callback; presents the "referrer" page.
 */
function statistics_top_referrers() {
  drupal_set_title(t('Top referrers in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))), PASS_THROUGH);

  $header = array(
    array('data' => t('Hits'), 'field' => 'hits', 'sort' => 'desc'),
    array('data' => t('Url'), 'field' => 'url'),
    array('data' => t('Last visit'), 'field' => 'last'),
  );
  $query = db_select('accesslog', 'a')->extend('PagerDefault')->extend('TableSort');

  $query->addExpression('COUNT(url)', 'hits');
  $query->addExpression('MAX(timestamp)', 'last');
  $query
    ->fields('a', array('url'))
    ->where('LOWER(url) NOT LIKE :host', array(':host' => '%'. $_SERVER['HTTP_HOST'] .'%'))
    ->condition('url', '', '<>')
    ->groupBy('url')
    ->limit(30)
    ->orderByHeader($header);

  $count_query = db_select('accesslog');
  $count_query->addExpression('COUNT(DISTINCT url)');
  $count_query
    ->where('LOWER(url) NOT LIKE :host', array(':host' => '%'. $_SERVER['HTTP_HOST'] .'%'))
    ->condition('url', '', '<>');
  $query->setCountQuery($count_query);

  $result = $query->execute();
  $rows = array();
  foreach ($result as $referrer) {
    $rows[] = array($referrer->hits, _statistics_link($referrer->url), t('@time ago', array('@time' => format_interval(REQUEST_TIME - $referrer->last))));
  }

  if (empty($rows)) {
    $rows[] = array(array('data' => t('No statistics available.'), 'colspan' => 3));
  }

  $output = theme('table', $header, $rows);
  $output .= theme('pager', NULL);
  return $output;
}

/**
 * Menu callback; Displays recent page accesses.
 */
function statistics_access_log($aid) {
  $access = db_query('SELECT a.*, u.name FROM {accesslog} a LEFT JOIN {users} u ON a.uid = u.uid WHERE aid = :aid', array(':aid' => $aid))->fetch();
  if ($access) {
    $rows[] = array(
      array('data' => t('URL'), 'header' => TRUE),
      l(url($access->path, array('absolute' => TRUE)), $access->path)
    );
    // It is safe to avoid filtering $access->title through check_plain because
    // it comes from drupal_get_title().
    $rows[] = array(
      array('data' => t('Title'), 'header' => TRUE),
      $access->title
    );
    $rows[] = array(
      array('data' => t('Referrer'), 'header' => TRUE),
      ($access->url ? l($access->url, $access->url) : '')
    );
    $rows[] = array(
      array('data' => t('Date'), 'header' => TRUE),
      format_date($access->timestamp, 'large')
    );
    $rows[] = array(
      array('data' => t('User'), 'header' => TRUE),
      theme('username', $access)
    );
    $rows[] = array(
      array('data' => t('Hostname'), 'header' => TRUE),
      check_plain($access->hostname)
    );

    return theme('table', array(), $rows);
  }
  else {
    drupal_not_found();
  }
}

/**
 * Form builder; Configure access logging.
 *
 * @ingroup forms
 * @see system_settings_form()
 */
function statistics_settings_form() {
  // Access log settings.
  $form['access'] = array(
    '#type' => 'fieldset',
    '#title' => t('Access log settings'),
  );
  $form['access']['statistics_enable_access_log'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable access log'),
    '#default_value' => 0,
    '#description' => t('Log each page access. Required for referrer statistics.'),
  );
  $form['access']['statistics_flush_accesslog_timer'] = array(
    '#type' => 'select',
    '#title' => t('Discard access logs older than'),
    '#default_value' => 259200,
    '#options' => drupal_map_assoc(array(3600, 10800, 21600, 32400, 43200, 86400, 172800, 259200, 604800, 1209600, 2419200, 4838400, 9676800), 'format_interval'),
    '#description' => t('Older access log entries (including referrer statistics) will be automatically discarded. (Requires a correctly configured <a href="@cron">cron maintenance task</a>.)', array('@cron' => url('admin/reports/status'))),
  );

  // Content counter settings.
  $form['content'] = array(
    '#type' => 'fieldset',
    '#title' => t('Content viewing counter settings'),
  );
  $form['content']['statistics_count_content_views'] = array(
    '#type' => 'checkbox',
    '#title' => t('Count content views'),
    '#default_value' => 0,
    '#description' => t('Increment a counter each time content is viewed.'),
  );

  return system_settings_form($form);
}