diff core/modules/statistics/src/NodeStatisticsDatabaseStorage.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/statistics/src/NodeStatisticsDatabaseStorage.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,148 @@
+<?php
+
+namespace Drupal\statistics;
+
+use Drupal\Core\Database\Connection;
+use Drupal\Core\State\StateInterface;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+/**
+ * Provides the default database storage backend for statistics.
+ */
+class NodeStatisticsDatabaseStorage implements StatisticsStorageInterface {
+
+  /**
+  * The database connection used.
+  *
+  * @var \Drupal\Core\Database\Connection
+  */
+  protected $connection;
+
+  /**
+   * The state service.
+   *
+   * @var \Drupal\Core\State\StateInterface
+   */
+  protected $state;
+
+  /**
+   * The request stack.
+   *
+   * @var \Symfony\Component\HttpFoundation\RequestStack
+   */
+  protected $requestStack;
+
+  /**
+   * Constructs the statistics storage.
+   *
+   * @param \Drupal\Core\Database\Connection $connection
+   *   The database connection for the node view storage.
+   * @param \Drupal\Core\State\StateInterface $state
+   *   The state service.
+   */
+  public function __construct(Connection $connection, StateInterface $state, RequestStack $request_stack) {
+    $this->connection = $connection;
+    $this->state = $state;
+    $this->requestStack = $request_stack;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function recordView($id) {
+    return (bool) $this->connection
+      ->merge('node_counter')
+      ->key('nid', $id)
+      ->fields([
+        'daycount' => 1,
+        'totalcount' => 1,
+        'timestamp' => $this->getRequestTime(),
+      ])
+      ->expression('daycount', 'daycount + 1')
+      ->expression('totalcount', 'totalcount + 1')
+      ->execute();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function fetchViews($ids) {
+    $views = $this->connection
+      ->select('node_counter', 'nc')
+      ->fields('nc', ['totalcount', 'daycount', 'timestamp'])
+      ->condition('nid', $ids, 'IN')
+      ->execute()
+      ->fetchAll();
+    foreach ($views as $id => $view) {
+      $views[$id] = new StatisticsViewsResult($view->totalcount, $view->daycount, $view->timestamp);
+    }
+    return $views;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function fetchView($id) {
+    $views = $this->fetchViews([$id]);
+    return reset($views);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function fetchAll($order = 'totalcount', $limit = 5) {
+    assert(in_array($order, ['totalcount', 'daycount', 'timestamp']), "Invalid order argument.");
+
+    return $this->connection
+      ->select('node_counter', 'nc')
+      ->fields('nc', ['nid'])
+      ->orderBy($order, 'DESC')
+      ->range(0, $limit)
+      ->execute()
+      ->fetchCol();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function deleteViews($id) {
+    return (bool) $this->connection
+      ->delete('node_counter')
+      ->condition('nid', $id)
+      ->execute();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function resetDayCount() {
+    $statistics_timestamp = $this->state->get('statistics.day_timestamp') ?: 0;
+    if (($this->getRequestTime() - $statistics_timestamp) >= 86400) {
+      $this->state->set('statistics.day_timestamp', $this->getRequestTime());
+      $this->connection->update('node_counter')
+        ->fields(['daycount' => 0])
+        ->execute();
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function maxTotalCount() {
+    $query = $this->connection->select('node_counter', 'nc');
+    $query->addExpression('MAX(totalcount)');
+    $max_total_count = (int) $query->execute()->fetchField();
+    return $max_total_count;
+  }
+
+  /**
+   * Get current request time.
+   *
+   * @return int
+   *   Unix timestamp for current server request time.
+   */
+  protected function getRequestTime() {
+    return $this->requestStack->getCurrentRequest()->server->get('REQUEST_TIME');
+  }
+
+}