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<?php
namespace Laravel\Horizon;
use Illuminate\Contracts\Redis\Factory as RedisFactory;
use Laravel\Horizon\Contracts\HorizonCommandQueue;
class RedisHorizonCommandQueue implements HorizonCommandQueue
{
/**
* The Redis connection instance.
*
* @var \Illuminate\Contracts\Redis\Factory
*/
public $redis;
/**
* Create a new command queue instance.
*
* @param \Illuminate\Contracts\Redis\Factory $redis
* @return void
*/
public function __construct(RedisFactory $redis)
{
$this->redis = $redis;
}
/**
* Push a command onto a given queue.
*
* @param string $name
* @param string $command
* @param array $options
* @return void
*/
public function push($name, $command, array $options = [])
{
$this->connection()->rpush('commands:'.$name, json_encode([
'command' => $command,
'options' => $options,
]));
}
/**
* Get the pending commands for a given queue name.
*
* @param string $name
* @return array
*/
public function pending($name)
{
$length = $this->connection()->llen('commands:'.$name);
if ($length < 1) {
return [];
}
$results = $this->connection()->pipeline(function ($pipe) use ($name, $length) {
$pipe->lrange('commands:'.$name, 0, $length - 1);
$pipe->ltrim('commands:'.$name, $length, -1);
});
return collect($results[0])->map(function ($result) {
return (object) json_decode($result, true);
})->all();
}
/**
* Flush the command queue for a given queue name.
*
* @param string $name
* @return void
*/
public function flush($name)
{
$this->connection()->del('commands:'.$name);
}
/**
* Get the Redis connection instance.
*
* @return \Illuminate\Redis\Connections\Connection
*/
protected function connection()
{
return $this->redis->connection('horizon');
}
}
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