/**
* Persist changes to a metric's sample
*
* @param Data $data
*/
public function persist(Data $data)
{
Assertion::lessOrEqualThan($data->getDatetime()->diffInDays(), static::BACKFILL_LIMIT_DAYS, sprintf('Data samples can only be backfilled as far back as %d days', static::BACKFILL_LIMIT_DAYS));
$this->driver->post('pages/{page}/metrics/{metric}/data.json', ['metric' => $this->metricId], ['data' => ['timestamp' => $data->getDatetime()->getTimestamp(), 'value' => $data->getValue()]]);
}
/**
* Combine and submit the total of the samples to the metric
*
* @param int $resolution Resolution (defaults to 30 seconds)
*/
public function submitTotals($resolution = self::SAMPLES_INTERVAL)
{
Assertion::greaterOrEqualThan($resolution, self::SAMPLES_INTERVAL, sprintf('The minimum resolution is %d seconds', self::SAMPLES_INTERVAL));
if (sizeof($this->samples) == 0) {
return;
}
$totals = [];
ksort($this->samples);
foreach ($this->samples as $timestamp => $samples) {
foreach ($samples as $sample) {
$key = $timestamp - $timestamp % $resolution;
if (!isset($totals[$key])) {
$totals[$key] = 0;
}
$totals[$key] += $sample;
}
}
// Submit resulting samples to the metric
foreach ($totals as $timestamp => $value) {
$this->endpoint->persist(Data::fromUnixTimestamp($timestamp, $value));
}
$this->reset();
}