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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugins\Insights\DataTable\Filter;
use Piwik\DataTable\BaseFilter;
use Piwik\DataTable\Row;
/**
* Goal is to list all positive values first (the higher the better) and then all negative values (the lower the better).
*
* 40%
* 20%
* 0%
* -40%
* -20%
*/
class OrderBy extends BaseFilter
{
private $columnsToCheck;
public function __construct($table, $columnToRead, $columnSecondOrder, $columnThirdOrder = '')
{
$this->columnsToCheck = array($columnToRead, $columnSecondOrder, $columnThirdOrder);
}
public function filter($table)
{
if (!$table->getRowsCount()) {
return;
}
$table->sort(array($this, 'sort'), $this->columnsToCheck[0]);
}
public function sort(Row $a, Row $b)
{
foreach ($this->columnsToCheck as $column) {
if ($column) {
$valA = $a->getColumn($column);
$valB = $b->getColumn($column);
$sort = $this->sortVal($valA, $valB);
if (isset($sort)) {
return $sort;
}
}
}
return 0;
}
private function sortVal($valA, $valB)
{
if ((!isset($valA) || $valA === false) && (!isset($valB) || $valB === false)) {
return 0;
}
if (!isset($valA) || $valA === false) {
return 1;
}
if (!isset($valB) || $valB === false) {
return -1;
}
if ($valA === $valB) {
return null;
}
if ($valA >= 0 && $valB < 0) {
return -1;
}
if ($valA < 0 && $valB < 0) {
return $valA < $valB ? -1 : 1;
}
if ($valA != $valB) {
return $valA < $valB ? 1 : -1;
}
return null;
}
}
|
