--- /dev/null
+<?php
+
+/**
+ * @file
+ * Logs and displays content statistics for a site.
+ */
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\Core\Url;
+use Drupal\node\NodeInterface;
+use Drupal\statistics\StatisticsViewsResult;
+
+/**
+ * Implements hook_help().
+ */
+function statistics_help($route_name, RouteMatchInterface $route_match) {
+ switch ($route_name) {
+ case 'help.page.statistics':
+ $output = '';
+ $output .= '<h3>' . t('About') . '</h3>';
+ $output .= '<p>' . t('The Statistics module shows you how often content is viewed. This is useful in determining which pages of your site are most popular. For more information, see the <a href=":statistics_do">online documentation for the Statistics module</a>.', [':statistics_do' => 'https://www.drupal.org/documentation/modules/statistics/']) . '</p>';
+ $output .= '<h3>' . t('Uses') . '</h3>';
+ $output .= '<dl>';
+ $output .= '<dt>' . t('Displaying popular content') . '</dt>';
+ $output .= '<dd>' . t('The module includes a <em>Popular content</em> block that displays the most viewed pages today and for all time, and the last content viewed. To use the block, enable <em>Count content views</em> on the <a href=":statistics-settings">Statistics page</a>, and then you can enable and configure the block on the <a href=":blocks">Block layout page</a>.', [':statistics-settings' => \Drupal::url('statistics.settings'), ':blocks' => (\Drupal::moduleHandler()->moduleExists('block')) ? \Drupal::url('block.admin_display') : '#']) . '</dd>';
+ $output .= '<dt>' . t('Page view counter') . '</dt>';
+ $output .= '<dd>' . t('The Statistics module includes a counter for each page that increases whenever the page is viewed. To use the counter, enable <em>Count content views</em> on the <a href=":statistics-settings">Statistics page</a>, and set the necessary <a href=":permissions">permissions</a> (<em>View content hits</em>) so that the counter is visible to the users.', [':statistics-settings' => \Drupal::url('statistics.settings'), ':permissions' => \Drupal::url('user.admin_permissions', [], ['fragment' => 'module-statistics'])]) . '</dd>';
+ $output .= '</dl>';
+ return $output;
+
+ case 'statistics.settings':
+ return '<p>' . t('Settings for the statistical information that Drupal will keep about the site.') . '</p>';
+ }
+}
+
+/**
+ * Implements hook_ENTITY_TYPE_view() for node entities.
+ */
+function statistics_node_view(array &$build, EntityInterface $node, EntityViewDisplayInterface $display, $view_mode) {
+ if (!$node->isNew() && $view_mode == 'full' && node_is_page($node) && empty($node->in_preview)) {
+ $build['#attached']['library'][] = 'statistics/drupal.statistics';
+ $settings = ['data' => ['nid' => $node->id()], 'url' => Url::fromUri('base:' . drupal_get_path('module', 'statistics') . '/statistics.php')->toString()];
+ $build['#attached']['drupalSettings']['statistics'] = $settings;
+ }
+}
+
+/**
+ * Implements hook_node_links_alter().
+ */
+function statistics_node_links_alter(array &$links, NodeInterface $entity, array &$context) {
+ if ($context['view_mode'] != 'rss') {
+ $links['#cache']['contexts'][] = 'user.permissions';
+ if (\Drupal::currentUser()->hasPermission('view post access counter')) {
+ $statistics = \Drupal::service('statistics.storage.node')->fetchView($entity->id());
+ if ($statistics) {
+ $statistics_links['statistics_counter']['title'] = \Drupal::translation()->formatPlural($statistics->getTotalCount(), '1 view', '@count views');
+ $links['statistics'] = [
+ '#theme' => 'links__node__statistics',
+ '#links' => $statistics_links,
+ '#attributes' => ['class' => ['links', 'inline']],
+ ];
+ }
+ $links['#cache']['max-age'] = \Drupal::config('statistics.settings')->get('display_max_age');
+ }
+ }
+}
+
+/**
+ * Implements hook_cron().
+ */
+function statistics_cron() {
+ $storage = \Drupal::service('statistics.storage.node');
+ $storage->resetDayCount();
+ $max_total_count = $storage->maxTotalCount();
+ \Drupal::state()->set('statistics.node_counter_scale', 1.0 / max(1.0, $max_total_count));
+}
+
+/**
+ * Returns the most viewed content of all time, today, or the last-viewed node.
+ *
+ * @param string $dbfield
+ * The database field to use, one of:
+ * - 'totalcount': Integer that shows the top viewed content of all time.
+ * - 'daycount': Integer that shows the top viewed content for today.
+ * - 'timestamp': Integer that shows only the last viewed node.
+ * @param int $dbrows
+ * The number of rows to be returned.
+ *
+ * @return SelectQuery|false
+ * A query result containing the node ID, title, user ID that owns the node,
+ * and the username for the selected node(s), or FALSE if the query could not
+ * be executed correctly.
+ */
+function statistics_title_list($dbfield, $dbrows) {
+ if (in_array($dbfield, ['totalcount', 'daycount', 'timestamp'])) {
+ $query = db_select('node_field_data', 'n');
+ $query->addTag('node_access');
+ $query->join('node_counter', 's', 'n.nid = s.nid');
+ $query->join('users_field_data', 'u', 'n.uid = u.uid');
+
+ return $query
+ ->fields('n', ['nid', 'title'])
+ ->fields('u', ['uid', 'name'])
+ ->condition($dbfield, 0, '<>')
+ ->condition('n.status', 1)
+ // @todo This should be actually filtering on the desired node status
+ // field language and just fall back to the default language.
+ ->condition('n.default_langcode', 1)
+ ->condition('u.default_langcode', 1)
+ ->orderBy($dbfield, 'DESC')
+ ->range(0, $dbrows)
+ ->execute();
+ }
+ return FALSE;
+}
+
+/**
+ * Retrieves a node's "view statistics".
+ *
+ * @deprecated in Drupal 8.2.x, will be removed before Drupal 9.0.0.
+ * Use \Drupal::service('statistics.storage.node')->fetchView($id).
+ */
+function statistics_get($id) {
+ if ($id > 0) {
+ /** @var \Drupal\statistics\StatisticsViewsResult $statistics */
+ $statistics = \Drupal::service('statistics.storage.node')->fetchView($id);
+
+ // For backwards compatibility, return FALSE if an invalid node ID was
+ // passed in.
+ if (!($statistics instanceof StatisticsViewsResult)) {
+ return FALSE;
+ }
+ return [
+ 'totalcount' => $statistics->getTotalCount(),
+ 'daycount' => $statistics->getDayCount(),
+ 'timestamp' => $statistics->getTimestamp(),
+ ];
+ }
+}
+
+/**
+ * Implements hook_ENTITY_TYPE_predelete() for node entities.
+ */
+function statistics_node_predelete(EntityInterface $node) {
+ // Clean up statistics table when node is deleted.
+ $id = $node->id();
+ return \Drupal::service('statistics.storage.node')->deleteViews($id);
+}
+
+/**
+ * Implements hook_ranking().
+ */
+function statistics_ranking() {
+ if (\Drupal::config('statistics.settings')->get('count_content_views')) {
+ return [
+ 'views' => [
+ 'title' => t('Number of views'),
+ 'join' => [
+ 'type' => 'LEFT',
+ 'table' => 'node_counter',
+ 'alias' => 'node_counter',
+ 'on' => 'node_counter.nid = i.sid',
+ ],
+ // Inverse law that maps the highest view count on the site to 1 and 0
+ // to 0. Note that the ROUND here is necessary for PostgreSQL and SQLite
+ // in order to ensure that the :statistics_scale argument is treated as
+ // a numeric type, because the PostgreSQL PDO driver sometimes puts
+ // values in as strings instead of numbers in complex expressions like
+ // this.
+ 'score' => '2.0 - 2.0 / (1.0 + node_counter.totalcount * (ROUND(:statistics_scale, 4)))',
+ 'arguments' => [':statistics_scale' => \Drupal::state()->get('statistics.node_counter_scale') ?: 0],
+ ],
+ ];
+ }
+}
+
+/**
+ * Implements hook_preprocess_HOOK() for block templates.
+ */
+function statistics_preprocess_block(&$variables) {
+ if ($variables['configuration']['provider'] == 'statistics') {
+ $variables['attributes']['role'] = 'navigation';
+ }
+}
+
+/**
+ * Implements hook_block_alter().
+ *
+ * Removes the "popular" block from display if the module is not configured
+ * to count content views.
+ */
+function statistics_block_alter(&$definitions) {
+ $statistics_count_content_views = \Drupal::config('statistics.settings')->get('count_content_views');
+ if (empty($statistics_count_content_views)) {
+ unset($definitions['statistics_popular_block']);
+ }
+}
projects / yaffs-website / blobdiff