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classes/statistics/StatisticsHelper.php

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+<?php
+
+/**
+ * @file classes/statistics/StatisticsHelper.php
+ *
+ * Copyright (c) 2013-2021 Simon Fraser University
+ * Copyright (c) 2003-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class StatisticsHelper
+ *
+ * @ingroup statistics
+ *
+ * @brief Statistics helper class.
+ */
+
+namespace APP\statistics;
+
+use PKP\statistics\PKPStatisticsHelper;
+
+class StatisticsHelper extends PKPStatisticsHelper
+{
+    public const STATISTICS_DIMENSION_ISSUE_GALLEY_ID = 'issue_galley_id';
+    public const STATISTICS_DIMENSION_ISSUE_ID = 'issue_id';
+
+    // Metrics
+    public const STATISTICS_METRIC_INVESTIGATIONS = 'metric_investigations';
+    public const STATISTICS_METRIC_INVESTIGATIONS_UNIQUE = 'metric_investigations_unique';
+    public const STATISTICS_METRIC_REQUESTS = 'metric_requests';
+    public const STATISTICS_METRIC_REQUESTS_UNIQUE = 'metric_requests_unique';
+
+    /**
+     * Get COUNTER DB tables metrics columns
+     */
+    public static function getCounterMetricsColumns(): array
+    {
+        return [
+            self::STATISTICS_METRIC_INVESTIGATIONS,
+            self::STATISTICS_METRIC_INVESTIGATIONS_UNIQUE,
+            self::STATISTICS_METRIC_REQUESTS,
+            self::STATISTICS_METRIC_REQUESTS_UNIQUE,
+        ];
+    }
+}
+
+if (!PKP_STRICT_MODE) {
+    class_alias('\APP\statistics\StatisticsHelper', '\StatisticsHelper');
+    define('STATISTICS_DIMENSION_ISSUE_ID', StatisticsHelper::STATISTICS_DIMENSION_ISSUE_ID);
+}