update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Ecommerce/Columns/BaseConversion.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\Ecommerce\Columns;
+
+use Piwik\Plugin\Dimension\ConversionDimension;
+use Piwik\Tracker\GoalManager;
+
+abstract class BaseConversion extends ConversionDimension
+{
+    /**
+     * Returns rounded decimal revenue, or if revenue is integer, then returns as is.
+     *
+     * @param int|float $revenue
+     * @return int|float
+     */
+    protected function roundRevenueIfNeeded($revenue)
+    {
+        if (false === $revenue) {
+            return false;
+        }
+
+        if (round($revenue) == $revenue) {
+            return $revenue;
+        }
+
+        $value = round($revenue, GoalManager::REVENUE_PRECISION);
+
+        return $value;
+    }
+}