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

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/statistics/src/StatisticsStorageInterface.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,90 @@
+<?php
+
+namespace Drupal\statistics;
+
+/**
+ * Provides an interface defining Statistics Storage.
+ *
+ * Stores the views per day, total views and timestamp of last view
+ * for entities.
+ */
+interface StatisticsStorageInterface {
+
+  /**
+   * Count a entity view.
+   *
+   * @param int $id
+   *   The ID of the entity to count.
+   *
+   * @return bool
+   *   TRUE if the entity view has been counted.
+   */
+  public function recordView($id);
+
+  /**
+   * Returns the number of times entities have been viewed.
+   *
+   * @param array $ids
+   *   An array of IDs of entities to fetch the views for.
+   *
+   * @return \Drupal\statistics\StatisticsViewsResult[]
+   *   An array of value objects representing the number of times each entity
+   *   has been viewed. The array is keyed by entity ID. If an ID does not
+   *   exist, it will not be present in the array.
+   */
+  public function fetchViews($ids);
+
+  /**
+   * Returns the number of times a single entity has been viewed.
+   *
+   * @param int $id
+   *   The ID of the entity to fetch the views for.
+   *
+   * @return \Drupal\statistics\StatisticsViewsResult|false
+   *   If the entity exists, a value object representing the number of times if
+   *   has been viewed. If it does not exist, FALSE is returned.
+   */
+  public function fetchView($id);
+
+  /**
+   * Returns the number of times a entity has been viewed.
+   *
+   * @param string $order
+   *   The counter name to order by:
+   *   - 'totalcount' The total number of views.
+   *   - 'daycount' The number of views today.
+   *   - 'timestamp' The unix timestamp of the last view.
+   *
+   * @param int $limit
+   *   The number of entity IDs to return.
+   *
+   * @return array
+   *   An ordered array of entity IDs.
+   */
+  public function fetchAll($order = 'totalcount', $limit = 5);
+
+  /**
+   * Delete counts for a specific entity.
+   *
+   * @param int $id
+   *   The ID of the entity which views to delete.
+   *
+   * @return bool
+   *   TRUE if the entity views have been deleted.
+   */
+  public function deleteViews($id);
+
+  /**
+   * Reset the day counter for all entities once every day.
+   */
+  public function resetDayCount();
+
+  /**
+   * Returns the highest 'totalcount' value.
+   *
+   * @return int
+   *   The highest 'totalcount' value.
+   */
+  public function maxTotalCount();
+
+}