/**
* @param $queue
* @return QueueElement|bool
*/
public function dequeue($queue)
{
$dbConnect = Db::getConnect();
$dbConnect->beginTransaction();
try {
$query = Db::getConnect()->prepare("\n\t\t\t\tselect *\n\t\t\t\tfrom queue\n\t\t\t\twhere queue_name = :queue_name\n\t\t\t\tORDER BY id\n\t\t\t\tlimit 1 FOR UPDATE\n\t \t\t");
$query->bindParam(':queue_name', $queue);
$query->execute();
$elementArray = $query->fetchAll();
$element = false;
if (!empty($elementArray)) {
$element = new QueueElement();
$element->setQueueName($elementArray[0]['queue_name']);
$element->setFileUrl($elementArray[0]['file_url']);
$element->setStatus($elementArray[0]['status']);
$queryDelete = Db::getConnect()->prepare("\n\t\t\t\t\tdelete from queue where id = :id\n\t \t\t\t");
$queryDelete->bindParam(':id', $elementArray[0]['id']);
$queryDelete->execute();
}
$dbConnect->commit();
} catch (\Exception $e) {
$dbConnect->rollBack();
$element = false;
}
return $element;
}
public function run($args)
{
$file = $args[0];
/**
* @param $handle
* @return \Generator
*/
function getStr($handle)
{
while (($buffer = fgets($handle)) !== false) {
(yield $buffer);
}
fclose($handle);
}
$handle = self::getFileHandler($file, "r");
$generator = getStr($handle);
foreach ($generator as $url) {
$newQueueElement = new QueueElement();
$newQueueElement->setFileUrl(trim($url));
(new DownloadQueue())->putElement($newQueueElement);
}
}