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<?php
namespace Illuminate\Queue\Failed;
use Aws\DynamoDb\DynamoDbClient;
use DateTimeInterface;
use Exception;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Date;
class DynamoDbFailedJobProvider implements FailedJobProviderInterface
{
/**
* The DynamoDB client instance.
*
* @var \Aws\DynamoDb\DynamoDbClient
*/
protected $dynamo;
/**
* The application name.
*
* @var string
*/
protected $applicationName;
/**
* The table name.
*
* @var string
*/
protected $table;
/**
* Create a new DynamoDb failed job provider.
*
* @param \Aws\DynamoDb\DynamoDbClient $dynamo
* @param string $applicationName
* @param string $table
* @return void
*/
public function __construct(DynamoDbClient $dynamo, $applicationName, $table)
{
$this->table = $table;
$this->dynamo = $dynamo;
$this->applicationName = $applicationName;
}
/**
* Log a failed job into storage.
*
* @param string $connection
* @param string $queue
* @param string $payload
* @param \Throwable $exception
* @return string|int|null
*/
public function log($connection, $queue, $payload, $exception)
{
$id = json_decode($payload, true)['uuid'];
$failedAt = Date::now();
$this->dynamo->putItem([
'TableName' => $this->table,
'Item' => [
'application' => ['S' => $this->applicationName],
'uuid' => ['S' => $id],
'connection' => ['S' => $connection],
'queue' => ['S' => $queue],
'payload' => ['S' => $payload],
'exception' => ['S' => (string) $exception],
'failed_at' => ['N' => (string) $failedAt->getTimestamp()],
'expires_at' => ['N' => (string) $failedAt->addDays(3)->getTimestamp()],
],
]);
return $id;
}
/**
* Get a list of all of the failed jobs.
*
* @return array
*/
public function all()
{
$results = $this->dynamo->query([
'TableName' => $this->table,
'Select' => 'ALL_ATTRIBUTES',
'KeyConditionExpression' => 'application = :application',
'ExpressionAttributeValues' => [
':application' => ['S' => $this->applicationName],
],
'ScanIndexForward' => false,
]);
return collect($results['Items'])->sortByDesc(function ($result) {
return (int) $result['failed_at']['N'];
})->map(function ($result) {
return (object) [
'id' => $result['uuid']['S'],
'connection' => $result['connection']['S'],
'queue' => $result['queue']['S'],
'payload' => $result['payload']['S'],
'exception' => $result['exception']['S'],
'failed_at' => Carbon::createFromTimestamp(
(int) $result['failed_at']['N']
)->format(DateTimeInterface::ISO8601),
];
})->all();
}
/**
* Get a single failed job.
*
* @param mixed $id
* @return object|null
*/
public function find($id)
{
$result = $this->dynamo->getItem([
'TableName' => $this->table,
'Key' => [
'application' => ['S' => $this->applicationName],
'uuid' => ['S' => $id],
],
]);
if (! isset($result['Item'])) {
return;
}
return (object) [
'id' => $result['Item']['uuid']['S'],
'connection' => $result['Item']['connection']['S'],
'queue' => $result['Item']['queue']['S'],
'payload' => $result['Item']['payload']['S'],
'exception' => $result['Item']['exception']['S'],
'failed_at' => Carbon::createFromTimestamp(
(int) $result['Item']['failed_at']['N']
)->format(DateTimeInterface::ISO8601),
];
}
/**
* Delete a single failed job from storage.
*
* @param mixed $id
* @return bool
*/
public function forget($id)
{
$this->dynamo->deleteItem([
'TableName' => $this->table,
'Key' => [
'application' => ['S' => $this->applicationName],
'uuid' => ['S' => $id],
],
]);
return true;
}
/**
* Flush all of the failed jobs from storage.
*
* @param int|null $hours
* @return void
*
* @throws \Exception
*/
public function flush($hours = null)
{
throw new Exception("DynamoDb failed job storage may not be flushed. Please use DynamoDb's TTL features on your expires_at attribute.");
}
}
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