Audio notifier for Sismo

AudioNotifier.php

<?php

use Sismo\Notifier;
use Sismo\Commit;

/**
 * A simple audio notifier for Sismo
 *
 * (c) Dave Marshall <dave.marshall@atstsolutions.co.uk>
 *
 */
class AudioNotifier extends Notifier
{
    /**
     * Success
     */
    protected $success;

    /**
     * Failure
     */
    protected $failure;

    /**
     * Command
     */
    protected $command;

    /**
     * Constructor
     *
     * @param string $success - path to success sound
     * @param string $failure - path to failure sound
     * @param string $command - optional sprintf format string for command
     */
    public function __construct($success, $failure, $command = 'mplayer "%s" > /dev/null 2>&1 ')
    {
        $this->success = realpath($success);
        $this->failure = realpath($failure);
        $this->command = $command;
    }

    /**
     * {@inheritDoc}
     */
    public function notify(Commit $commit)
    {
        $file = $commit->isSuccessful() ? $this->success : $this->failure;
        exec(sprintf($this->command, $file));
    }
}