Returns the ProcessedMetrics that should be computed and formatted for a DataTable of a
certain report. The ProcessedMetrics returned are those specified by the Report metadata
as well as the DataTable metadata.
|
public static getProcessedMetricsForTable ( |
||
| $dataTable | ||
| $report | ||
| return | Piwik\Plugin\ProcessedMetric[] | |
public function computeProcessedMetrics(DataTable $dataTable)
{
if ($dataTable->getMetadata(self::PROCESSED_METRICS_COMPUTED_FLAG)) {
return;
}
/** @var ProcessedMetric[] $processedMetrics */
$processedMetrics = Report::getProcessedMetricsForTable($dataTable, $this->report);
if (empty($processedMetrics)) {
return;
}
$dataTable->setMetadata(self::PROCESSED_METRICS_COMPUTED_FLAG, true);
foreach ($processedMetrics as $name => $processedMetric) {
if (!$processedMetric->beforeCompute($this->report, $dataTable)) {
continue;
}
foreach ($dataTable->getRows() as $row) {
if ($row->getColumn($name) === false) {
// only compute the metric if it has not been computed already
$computedValue = $processedMetric->compute($row);
if ($computedValue !== false) {
$row->addColumn($name, $computedValue);
}
$subtable = $row->getSubtable();
if (!empty($subtable)) {
$this->computeProcessedMetrics($subtable);
}
}
}
}
}
