page_hits.module

<?php

/**
 * @file
 * This module used for displaying page statistics.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Clear page_hits table.
 */
function page_hits_flush_all() {
  \Drupal::database()->delete('page_hits')
    ->execute();
}

/**
 * Return page hits by node id.
 */
function page_hits_get_data_by_nid($nid) {
  $stats = [];
  $db = \Drupal::database();
  $query = $db->select('page_hits', 'p');
  $query->fields('p');
  $query->condition('p.nid', $nid);
  $result = $query->execute()->fetchAll();
  if (!empty($result)) {
    return page_hits_calculate_stats($result);
  }
  return $stats;
}

/**
 * Return page hits by page url.
 */
function page_hits_get_data_by_url($page_url) {
  $stats = [];
  $db = \Drupal::database();
  $query = $db->select('page_hits', 'p');
  $query->fields('p');
  $query->condition('p.url', $page_url);
  $result = $query->execute()->fetchAll();
  if (!empty($result)) {
    return page_hits_calculate_stats($result);
  }
  return $stats;
}

/**
 * Calculate page hits.
 */
function page_hits_calculate_stats(array $result) {
  $current_user = \Drupal::currentUser();
  $stats = [];
  $stats['unique_visits'] = 0;
  $stats['total_visitor_by_user'] = 0;
  $stats['total_visitor_in_week'] = 0;
  $unique_visits = [];
  foreach ($result as $value) {
    if (!array_key_exists($value->session_id, $unique_visits)) {
      $unique_visits[$value->session_id] += 1;
    }
    if (!empty($current_user) && !empty($current_user->id())) {
      if ($value->uid == $current_user->id()) {
        $stats['total_visitor_by_user'] += 1;
      }
    }
    $first_day_of_the_week = 'Sunday';
    $start_of_the_week     = strtotime("Last $first_day_of_the_week");
    if (strtolower(date('l')) === strtolower($first_day_of_the_week)) {
      $start_of_the_week = strtotime('today');
    }
    $end_of_the_week = $start_of_the_week + (60 * 60 * 24 * 7) - 1;
    if ($value->created >= $start_of_the_week &&  $value->created <= $end_of_the_week) {
      $stats['total_visitor_in_week'] += 1;
    }
  }
  foreach ($unique_visits as $value) {
    $stats['unique_visits'] += $value;
  }
  $stats['ip'] = \Drupal::request()->getClientIp();
  $stats['total_visitors'] = (!empty(count($result)) ? count($result) : 0);
  return $stats;
}

/**
 * Implements hook_help().
 */
function page_hits_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.page_hits':
      $text = file_get_contents(dirname(__FILE__) . "/README.txt");
      return '<pre>' . $text . '</pre>';
  }
}

/**
 * Page type.
 */
function page_hits_page_type() {
  return \Drupal::request()->attributes->get('node');
}