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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\Goals\DataTable\Filter;
use Piwik\DataTable\BaseFilter;
use Piwik\DataTable;
class RemoveUnusedGoalRevenueColumns extends BaseFilter
{
/**
* @param DataTable $table
*/
public function filter($table)
{
$goals = $this->getGoalsInTable($table);
if (count($goals) === 0) {
return;
}
$columnNames = [
'revenue',
'revenue_entry',
'revenue_per_entry',
'revenue_per_visit',
'revenue_attrib',
];
// Build array of columns to check
$columnsToCheck = [];
foreach ($goals as $goalId) {
foreach ($columnNames as $columnName) {
$columnsToCheck['goal_' . $goalId . '_' . $columnName] = true;
}
}
// Check if there are any values in each column
foreach ($table->getRowsWithoutSummaryRow() as $row) {
foreach ($columnsToCheck as $colName => $shouldRemove) {
if (isset($row[$colName]) && $row[$colName] > 0) {
$columnsToCheck[$colName] = false;
}
}
}
$columnsToCheck = array_filter($columnsToCheck);
if (empty($columnsToCheck)) {
return;
}
$table->deleteColumns(array_keys($columnsToCheck));
}
/**
* Get the ids of all goals used in the table
*
*
* @return array
*/
private function getGoalsInTable(DataTable &$table)
{
$result = [];
foreach ($table->getRows() as $row) {
$goals = $row->getColumn('goals');
if (!$goals) {
continue;
}
foreach ($goals as $goalIdString => $metrics) {
$result[] = substr($goalIdString, 7);
}
}
return array_unique($result);
}
}
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