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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
* @version $Id$
*
* @category Piwik
* @package Piwik
*/
/**
* @package Piwik
* @subpackage Piwik_DataTable
*/
class Piwik_DataTable_Filter_UpdateColumnsWhenShowAllGoals extends Piwik_DataTable_Filter
{
const GOALS_OVERVIEW = -1;
const GOALS_FULL_TABLE = 0;
protected $mappingIdToNameGoal;
/**
* @param $table
* @param $enable Automatically set to true when filter_update_columns_when_show_all_goals is found in the API request
* @param $processOnlyIdGoal
* @return unknown_type
*/
public function __construct( $table, $enable = true, $processOnlyIdGoal )
{
parent::__construct($table);
$this->mappingIdToNameGoal = Piwik_Archive::$mappingFromIdToNameGoal;
$this->processOnlyIdGoal = $processOnlyIdGoal;
$this->filter();
}
protected function filter()
{
$invalidDivision = 'N/A';
$roundingPrecision = 2;
$expectedColumns = array();
foreach($this->table->getRows() as $key => $row)
{
$currentColumns = $row->getColumns();
$newColumns = array();
$nbVisits = 0;
// visits could be undefined when there is a conversion but no visit
if(isset($currentColumns[Piwik_Archive::INDEX_NB_VISITS]))
{
$nbVisits = $currentColumns[Piwik_Archive::INDEX_NB_VISITS];
}
$newColumns['nb_visits'] = $nbVisits;
$newColumns['label'] = $currentColumns['label'];
if(isset($currentColumns[Piwik_Archive::INDEX_GOALS]))
{
$nbVisitsConverted = $revenue = 0;
if(isset($currentColumns[Piwik_Archive::INDEX_NB_VISITS_CONVERTED]))
{
$nbVisitsConverted = $currentColumns[Piwik_Archive::INDEX_NB_VISITS_CONVERTED];
$revenue = $currentColumns[Piwik_Archive::INDEX_REVENUE];
}
if($nbVisitsConverted == 0)
{
$conversionRate = $invalidDivision;
}
else
{
$conversionRate = round(100 * $nbVisitsConverted / $nbVisits, $roundingPrecision);
}
$newColumns['goals_conversion_rate'] = $conversionRate;
if($nbVisits == 0)
{
$revenuePerVisit = $invalidDivision;
}
else
{
$revenuePerVisit = round( $revenue / $nbVisits, $roundingPrecision );
}
$newColumns['revenue_per_visit'] = $revenuePerVisit;
foreach($currentColumns[Piwik_Archive::INDEX_GOALS] as $goalId => $columnValue)
{
if($this->processOnlyIdGoal > self::GOALS_FULL_TABLE
&& $this->processOnlyIdGoal != $goalId)
{
continue;
}
// Goal Conversion rate
$name = 'goal_' . $goalId . '_conversion_rate';
if($nbVisits == 0)
{
$value = $invalidDivision;
}
else
{
$value = round(100 * $columnValue[Piwik_Archive::INDEX_GOAL_NB_CONVERSIONS] / $nbVisits, $roundingPrecision);
}
$newColumns[$name] = $value;
$expectedColumns[$name] = true;
// When the table is displayed by clicking on the flag icon, we only display the columns
// Visits, Conversions, Per goal conversion rate, Revenue
if($this->processOnlyIdGoal == self::GOALS_OVERVIEW)
{
continue;
}
// Goal Conversions
$name = 'goal_' . $goalId . '_nb_conversions';
$newColumns[$name] = $columnValue[Piwik_Archive::INDEX_GOAL_NB_CONVERSIONS];
$expectedColumns[$name] = true;
// Goal Revenue per visit
$name = 'goal_' . $goalId . '_revenue_per_visit';
if($nbVisits == 0)
{
$value = $invalidDivision;
}
else
{
$revenuePerVisit = round( $columnValue[Piwik_Archive::INDEX_GOAL_REVENUE] / $nbVisits, $roundingPrecision );
}
$newColumns[$name] = $revenuePerVisit;
$expectedColumns[$name] = true;
}
}
$row->setColumns($newColumns);
}
$expectedColumns['revenue_per_visit'] = true;
$expectedColumns['goals_conversion_rate'] = true;
// make sure all goals values are set, 0 by default
// if no value then sorting would put at the end
$expectedColumns = array_keys($expectedColumns);
$rows = $this->table->getRows();
foreach($rows as &$row)
{
foreach($expectedColumns as $name)
{
if(false === $row->getColumn($name))
{
$row->addColumn($name, 0);
}
}
}
}
}
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