<?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\CustomDimensions;

use Piwik\Metrics;

/**

* The DataArray is a data structure used to aggregate datasets,

* ie. sum arrays made of rows made of columns,

* data from the logs is stored in a DataArray before being converted in a DataTable

*

*/

class DataArray extends \Piwik\DataArray

{

private static $actionMetrics = array();

public function setActionMetricsIds($metrics)

{

self::$actionMetrics = $metrics;

}

protected static function makeEmptyActionRow()

{

$metrics = array();

foreach (self::$actionMetrics as $key) {

$metrics[$key] = 0;

}

return $metrics;

}

protected function doSumActionsMetrics($newRowToAdd, &$oldRowToUpdate)

{

foreach (self::$actionMetrics as $actionMetric) {

$oldRowToUpdate[$actionMetric] += $newRowToAdd[$actionMetric];

}

}

public function sumMetricsActionCustomDimensionsPivot($parentLabel, $label, $row)

{

if (!isset($this->dataTwoLevels[$parentLabel][$label])) {

$this->dataTwoLevels[$parentLabel][$label] = $this->makeEmptyActionRow();

}

$this->doSumActionsMetrics($row, $this->dataTwoLevels[$parentLabel][$label]);

}

}