/**
* upload all data to recommeder
*
*/
public function upload(DataApi\Client $client)
{
if (!is_null($this->filePath)) {
$batchSize = 25000;
$csvFile = new CsvFile($this->filePath);
$csvFile->rewind();
if (!$csvFile->valid()) {
break;
}
$header = $csvFile->current();
$csvFile->next();
$interactionsBatch = new DataApi\Batch\InteractionsBatch();
$batchRowsCount = 0;
while ($csvFile->valid()) {
$attributes = array_combine($header, $csvFile->current());
$csvFile->next();
// process row
try {
if (is_numeric($attributes['timestamp'])) {
$date = new DateTime('@' . $attributes['timestamp']);
} else {
$date = new DateTime($attributes['timestamp']);
}
} catch (Exception $e) {
throw new Exception('Invalid date format in "' . $this->getName() . '" table');
}
$interactionsBatch->addInteraction($attributes['user_id'], $attributes['item_id'], $attributes['interaction_id'], $date);
$batchRowsCount += 1;
if ($batchRowsCount == $batchSize || !$csvFile->valid()) {
$client->insertInteractions($interactionsBatch);
$interactionsBatch = new DataApi\Batch\InteractionsBatch();
$batchRowsCount = 0;
}
}
}
return $this;
}
/**
* @param InteractionsBatch $batch
* @return NULL
* @throws RequestFailedException when request failed for some reason
*/
public function insertInteractions(InteractionsBatch $batch)
{
$restriction = new Restriction([], [self::INTERACTIONS_PARAMETER => $batch->getInteractions()]);
return $this->performPost(self::INSERT_INTERACTION_URL, $restriction);
}