问如何在Laravel上传时返回随机的S3文件名？

EN

public function store(Request $request)
{
    //Validate Form Data
    $this->validate($request, [
      'opponent' => 'required',
      'location' => 'required',
      'date' => 'required',
      'team_id' => 'required',
      'season_id' => 'required',
      'team_score' => 'required',
      'opponent_score' => 'required',
      'uploading_coach' => 'required',
      'periods' => 'required',
      'period_length' => 'required',
    ]);

    //Store all the text fields, not the video
    $game = new Game;
    $game->opponent = $request->input('opponent');
    $game->location = $request->input('location');
    $game->date = $request->input('date');
    $game->team_id = $request->input('team_id');
    $game->season_id = $request->input('season_id');
    $game->team_score = $request->input('team_score');
    $game->opponent_score = $request->input('opponent_score');
    $game->uploading_coach = $request->input('uploading_coach');
    $game->periods = $request->input('periods');
    $game->period_length = $request->input('period_length');

    $game->save();

    //Set up some variables needed below
    $getGameID = $game->id;
    $team_id = $game->team_id;
    $game_date = $game->date;

    //Handles the actual file upload to S3
    $theFile = $request->file('video_file');
    $name = 'game_date-' . $game_date . 'game_id-' . $getGameID;
    $theFile->storePublicly(
      'gameid:' . $getGameID . 'teamid:' . $team_id . '/' . $name,
      's3'
    );

    //Game film is now uploaded to S3, trying to get the url and store it in the db
    $url = Storage::disk('s3')->url('gameid:' . $getGameID . 'teamid:' . $team_id . "/" . $name);

    $gameVid = Game::find($getGameID);
    $gameVid->video_link = $url;
    $gameVid->save();

    return back();
}