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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Plugins\Goals\DataTable\Filter;
use Piwik\DataTable\BaseFilter;
use Piwik\Plugin\Metric;
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) {
$didChecks = false;
foreach ($columnsToCheck as $colName => $shouldRemove) {
if ($shouldRemove) {
$didChecks = true;
}
if (isset($row[$colName]) && $row[$colName] > 0) {
$columnsToCheck[$colName] = false;
}
}
if (!$didChecks) {
break 1;
}
}
$columnsToRemove = [];
foreach ($columnsToCheck as $c => $shouldRemove) {
if ($shouldRemove) {
$columnsToRemove[] = $c;
}
}
// We can't remove the columns from here, it needs to be done in the visualisation, so set a metadata value
// on the datatable to indicate the columns to be removed, the visualisation can then check for this and
// adjust the view config
$table->setMetadata('excluded_goal_columns', json_encode($columnsToRemove, true));
}
/**
* Get the ids of all goals used in the table
*
* @param DataTable $table
*
* @return array
*/
private function getGoalsInTable(DataTable &$table)
{
$result = array();
foreach ($table->getRows() as $row) {
$goals = $row->getMetadata('goals');
if (!$goals) {
continue;
}
foreach ($goals as $goalId) {
$result[] = $goalId;
}
}
return array_unique($result);
}
}
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