Move all Metrics to Columns folder.

1 files changed, 52 insertions, 0 deletions

diff --git a/plugins/Contents/Columns/Metrics/InteractionRate.php b/plugins/Contents/Columns/Metrics/InteractionRate.php
new file mode 100644
index 0000000000..64485fe0e6
--- /dev/null
+++ b/plugins/Contents/Columns/Metrics/InteractionRate.php
@@ -0,0 +1,52 @@
+<?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\Contents\Columns\Metrics;
+
+use Piwik\DataTable\Row;
+use Piwik\Metrics\Formatter;
+use Piwik\Piwik;
+use Piwik\Plugin\ProcessedMetric;
+
+/**
+ * The content interaction rate. Calculated as:
+ *
+ *     nb_interactions / nb_impressions
+ *
+ * nb_interactions & nb_impressions are calculated by the Contents archiver.
+ */
+class InteractionRate extends ProcessedMetric
+{
+    public function getName()
+    {
+        return 'interaction_rate';
+    }
+
+    public function getTranslatedName()
+    {
+        return Piwik::translate('Contents_InteractionRate');
+    }
+
+    public function compute(Row $row)
+    {
+        $interactions = $this->getMetric($row, 'nb_interactions');
+        $impressions = $this->getMetric($row, 'nb_impressions');
+
+        return Piwik::getQuotientSafe($interactions, $impressions, $precision = 4);
+    }
+
+    public function format($value, Formatter $formatter)
+    {
+        return $formatter->getPrettyPercentFromQuotient($value);
+    }
+
+    public function getDependentMetrics()
+    {
+        return array('nb_interactions', 'nb_impressions');
+    }
+}
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