/**
* Decide whether or not to open a trial for this game
*
* @return null
**/
public function study(Game $game)
{
if (!$game->getIsRated()) {
return;
}
if ($game->getFullmoveNumber() < 10) {
return;
}
if (!($winner = $game->getWinner())) {
return;
}
$blurFactor = $this->calculateBlurFactor($winner);
$timePerMove = $this->calculateTimePerMove($game);
$score = $this->trialScoreCalculator->calculateScore($blurFactor, $timePerMove);
if ($score < 75) {
return;
}
$trial = new Trial();
$trial->setGame($game);
$trial->setUser($winner->getUser());
$trial->setScore($score);
$this->objectManager->persist($trial);
}
/**
* @depends testGameCreationStandard
*/
public function testGameGetWinner(Document\Game $game)
{
$this->assertNull($game->getWinner());
$game->setWinner($game->getPlayer('white'));
$this->assertSame($game->getPlayer('white'), $game->getWinner());
}
protected function updateElo(Game $game)
{
// Game can be aborted
if (!$game->getIsFinished()) {
return;
}
if (!$game->getIsRated()) {
return;
}
// Don't rate games with less than 2 moves
if ($game->getTurns() < 2) {
return;
}
$white = $game->getPlayer('white');
$black = $game->getPlayer('black');
$whiteUser = $white->getUser();
$blackUser = $black->getUser();
// Don't rate games when one ore more player is not registered
if (!$whiteUser || !$blackUser) {
return;
}
if ($winner = $game->getWinner()) {
$win = $winner->isWhite() ? -1 : 1;
} else {
$win = 0;
}
list($whiteElo, $blackElo) = $this->calculator->calculate($white->getElo(), $black->getElo(), $win);
$white->setEloDiff($whiteEloDiff = $whiteElo - $white->getElo());
$black->setEloDiff($blackEloDiff = $blackElo - $black->getElo());
$this->eloUpdater->updateElo($whiteUser, $whiteUser->getElo() + $whiteEloDiff, $game);
$this->eloUpdater->updateElo($blackUser, $blackUser->getElo() + $blackEloDiff, $game);
$this->logger->notice($game, sprintf('Elo exchanged: %s', $whiteEloDiff));
}