public function sendTestImpressions($keyImpressionsPerTest)
{
$impressionKeys = Di::getCache()->getKeys(ImpressionCache::getCacheKeySearchPattern());
$impressionCache = new ImpressionCache();
$toDrop = array();
$dataset = array();
$totalImpressions = 0;
foreach ($impressionKeys as $key) {
$featureName = ImpressionCache::getFeatureNameFromKey($key);
$cachedImpressions = $impressionCache->getRandomImpressions($key, $keyImpressionsPerTest);
if (empty($cachedImpressions)) {
continue;
}
$toDrop[$key] = $cachedImpressions;
$impressions = array();
$cachedImpressionsCount = count($cachedImpressions);
$totalImpressions += $cachedImpressionsCount;
for ($i = 0; $i < $cachedImpressionsCount; $i++) {
//restoring cached impressions from JSON string to PHP Array.
$impressions[$i] = json_decode($cachedImpressions[$i], true);
}
//Bulk data set
$dataset[] = array('testName' => $featureName, 'keyImpressions' => $impressions);
}
//Sending Impressions dataset.
$response = $this->post($this->servicePath, $dataset);
//Dropping impressions
$this->dropDataset($toDrop);
if ($response->isSuccessful()) {
Di::getLogger()->info($totalImpressions . " Impressions sent successfuly");
return true;
}
return false;
}
