diff core/modules/tracker/tracker.pages.inc @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/tracker/tracker.pages.inc	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,153 @@
+<?php
+
+/**
+ * @file
+ * User page callbacks for tracker.module.
+ */
+
+use Drupal\Core\Cache\Cache;
+use Drupal\node\Entity\Node;
+
+/**
+ * Page callback: Generates a page of tracked nodes for the site.
+ *
+ * Queries the database for info, adds RDFa info if applicable, and generates
+ * the render array that will be used to render the page.
+ *
+ * @param \Drupal\user\UserInterface $account
+ *   (optional) The user account to track.
+ *
+ * @return array
+ *   A renderable array.
+ */
+function tracker_page($account = NULL) {
+  if ($account) {
+    $query = db_select('tracker_user', 't')
+      ->extend('Drupal\Core\Database\Query\PagerSelectExtender')
+      ->addMetaData('base_table', 'tracker_user')
+      ->condition('t.uid', $account->id());
+  }
+  else {
+    $query = db_select('tracker_node', 't', ['target' => 'replica'])
+      ->extend('Drupal\Core\Database\Query\PagerSelectExtender')
+      ->addMetaData('base_table', 'tracker_node');
+  }
+
+  // This array acts as a placeholder for the data selected later
+  // while keeping the correct order.
+  $tracker_data = $query
+    ->addTag('node_access')
+    ->fields('t', ['nid', 'changed'])
+    ->condition('t.published', 1)
+    ->orderBy('t.changed', 'DESC')
+    ->limit(25)
+    ->execute()
+    ->fetchAllAssoc('nid');
+
+  $cache_tags = [];
+  $rows = [];
+  if (!empty($tracker_data)) {
+    // Load nodes into an array with the same order as $tracker_data.
+    $nodes = Node::loadMultiple(array_keys($tracker_data));
+
+    // Enrich the node data.
+    $result = \Drupal::service('comment.statistics')->read($nodes, 'node', FALSE);
+    foreach ($result as $statistics) {
+      // The node ID may not be unique; there can be multiple comment fields.
+      // Make comment_count the total of all comments.
+      $nid = $statistics->entity_id;
+      if (empty($nodes[$nid]->comment_count)
+          || !is_numeric($nodes[$nid]->comment_count)) {
+        $nodes[$nid]->comment_count = $statistics->comment_count;
+      }
+      else {
+        $nodes[$nid]->comment_count += $statistics->comment_count;
+      }
+      // Make the last comment timestamp reflect the latest comment.
+      if (!isset($nodes[$nid]->last_comment_timestamp)) {
+        $nodes[$nid]->last_comment_timestamp = $statistics->last_comment_timestamp;
+      }
+      else {
+        $nodes[$nid]->last_comment_timestamp = max($nodes[$nid]->last_comment_timestamp, $statistics->last_comment_timestamp);
+      }
+    }
+
+    // Display the data.
+    foreach ($nodes as $node) {
+      // Set the last activity time from tracker data. This also takes into
+      // account comment activity, so getChangedTime() is not used.
+      $node->last_activity = $tracker_data[$node->id()]->changed;
+
+      // Determine the number of comments.
+      $comments = 0;
+      if ($node->comment_count) {
+        $comments = $node->comment_count;
+      }
+
+      $row = [
+        'type' => node_get_type_label($node),
+        'title' => [
+          'data' => [
+            '#type' => 'link',
+            '#url' => $node->urlInfo(),
+            '#title' => $node->getTitle(),
+          ],
+          'data-history-node-id' => $node->id(),
+          'data-history-node-timestamp' => $node->getChangedTime(),
+        ],
+        'author' => [
+          'data' => [
+            '#theme' => 'username',
+            '#account' => $node->getOwner(),
+          ],
+        ],
+        'comments' => [
+          'class' => ['comments'],
+          'data' => $comments,
+          'data-history-node-last-comment-timestamp' => $node->last_comment_timestamp,
+        ],
+        'last updated' => [
+          'data' => t('@time ago', [
+            '@time' => \Drupal::service('date.formatter')->formatTimeDiffSince($node->last_activity),
+          ]),
+        ],
+      ];
+
+      $rows[] = $row;
+
+      // Add node and node owner to cache tags.
+      $cache_tags = Cache::mergeTags($cache_tags, $node->getCacheTags());
+      if ($node->getOwner()) {
+        $cache_tags = Cache::mergeTags($cache_tags, $node->getOwner()->getCacheTags());
+      }
+    }
+  }
+
+  // Add the list cache tag for nodes.
+  $cache_tags = Cache::mergeTags($cache_tags, \Drupal::entityManager()->getDefinition('node')->getListCacheTags());
+
+  $page['tracker'] = [
+    '#rows' => $rows,
+    '#header' => [t('Type'), t('Title'), t('Author'), t('Comments'), t('Last updated')],
+    '#type' => 'table',
+    '#empty' => t('No content available.'),
+  ];
+  $page['pager'] = [
+    '#type' => 'pager',
+    '#weight' => 10,
+  ];
+  $page['#sorted'] = TRUE;
+  $page['#cache']['tags'] = $cache_tags;
+  $page['#cache']['contexts'][] = 'user.node_grants:view';
+
+  // Display the reading history if that module is enabled.
+  if (\Drupal::moduleHandler()->moduleExists('history')) {
+    // Reading history is tracked for authenticated users only.
+    if (\Drupal::currentUser()->isAuthenticated()) {
+      $page['#attached']['library'][] = 'tracker/history';
+    }
+    $page['#cache']['contexts'][] = 'user.roles:authenticated';
+  }
+
+  return $page;
+}