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<?php
namespace Enqueue\Sqs;
use Aws\Sqs\SqsClient;
use Interop\Queue\InvalidDestinationException;
use Interop\Queue\PsrContext;
use Interop\Queue\PsrDestination;
class SqsContext implements PsrContext
{
/**
* @var SqsClient
*/
private $client;
/**
* @var callable
*/
private $clientFactory;
/**
* @var array
*/
private $queueUrls;
/**
* Callable must return instance of SqsClient once called.
*
* @param SqsClient|callable $client
*/
public function __construct($client)
{
if ($client instanceof SqsClient) {
$this->client = $client;
} elseif (is_callable($client)) {
$this->clientFactory = $client;
} else {
throw new \InvalidArgumentException(sprintf(
'The $client argument must be either %s or callable that returns %s once called.',
SqsClient::class,
SqsClient::class
));
}
}
/**
* {@inheritdoc}
*
* @return SqsMessage
*/
public function createMessage($body = '', array $properties = [], array $headers = [])
{
return new SqsMessage($body, $properties, $headers);
}
/**
* {@inheritdoc}
*
* @return SqsDestination
*/
public function createTopic($topicName)
{
return new SqsDestination($topicName);
}
/**
* {@inheritdoc}
*
* @return SqsDestination
*/
public function createQueue($queueName)
{
return new SqsDestination($queueName);
}
/**
* {@inheritdoc}
*/
public function createTemporaryQueue()
{
throw new \BadMethodCallException('SQS transport does not support temporary queues');
}
/**
* {@inheritdoc}
*
* @return SqsProducer
*/
public function createProducer()
{
return new SqsProducer($this);
}
/**
* {@inheritdoc}
*
* @param SqsDestination $destination
*
* @return SqsConsumer
*/
public function createConsumer(PsrDestination $destination)
{
InvalidDestinationException::assertDestinationInstanceOf($destination, SqsDestination::class);
return new SqsConsumer($this, $destination);
}
/**
* {@inheritdoc}
*/
public function close()
{
}
/**
* @return SqsClient
*/
public function getClient()
{
if (false == $this->client) {
$client = call_user_func($this->clientFactory);
if (false == $client instanceof SqsClient) {
throw new \LogicException(sprintf(
'The factory must return instance of "%s". But it returns %s',
SqsClient::class,
is_object($client) ? get_class($client) : gettype($client)
));
}
$this->client = $client;
}
return $this->client;
}
/**
* @param SqsDestination $destination
*
* @return string
*/
public function getQueueUrl(SqsDestination $destination)
{
if (isset($this->queueUrls[$destination->getQueueName()])) {
return $this->queueUrls[$destination->getQueueName()];
}
$result = $this->getClient()->getQueueUrl([
'QueueName' => $destination->getQueueName(),
]);
if (false == $result->hasKey('QueueUrl')) {
throw new \RuntimeException(sprintf('QueueUrl cannot be resolved. queueName: "%s"', $destination->getQueueName()));
}
return $this->queueUrls[$destination->getQueueName()] = $result->get('QueueUrl');
}
/**
* @param SqsDestination $dest
*/
public function declareQueue(SqsDestination $dest)
{
$result = $this->getClient()->createQueue([
'Attributes' => $dest->getAttributes(),
'QueueName' => $dest->getQueueName(),
]);
if (false == $result->hasKey('QueueUrl')) {
throw new \RuntimeException(sprintf('Cannot create queue. queueName: "%s"', $dest->getQueueName()));
}
$this->queueUrls[$dest->getQueueName()] = $result->get('QueueUrl');
}
/**
* @param SqsDestination $dest
*/
public function deleteQueue(SqsDestination $dest)
{
$this->getClient()->deleteQueue([
'QueueUrl' => $this->getQueueUrl($dest),
]);
unset($this->queueUrls[$dest->getQueueName()]);
}
/**
* @deprecated since 0.8 will be removed 0.9 use self::purgeQueue()
*
* @param SqsDestination $dest
*/
public function purge(SqsDestination $dest)
{
$this->purgeQueue($dest);
}
/**
* @param SqsDestination $destination
*/
public function purgeQueue(SqsDestination $destination)
{
$this->getClient()->purgeQueue([
'QueueUrl' => $this->getQueueUrl($destination),
]);
}
}