api.emotionhero.com/src/Models/GameRepository.php

<?php
namespace EmotionHero\Models;

use Doctrine\ORM\EntityRepository;
use EmotionHero\Tools\Position;

class GameRepository extends EntityRepository
{
    public function getPositionForGame(Game $game) {
        $query = $this->_em->createQuery(
         "SELECT COUNT(g.id) FROM ". Game::class ." g WHERE g.score < :score AND g.level = :level"
         )
         ->setParameters([
             'score' => $game->getScore(),
             'level' => $game->getLevel(),
         ]);
        $position = $query->getSingleScalarResult();
        $total = $this->getGameCountForLevel($game->getLevel());
        $highscore = $this->getHighscoreForLevel($game->getLevel());

        return new Position($position, $total, $game->getScore(), $highscore);
    }

    public function getGameCountForLevel(Level $level) {

        $query = $this->_em->createQuery(
         "SELECT COUNT(g.id) FROM ".Game::class." g WHERE g.level = :level"
         )
         ->setParameters([
             'level' => $game->getLevel(),
         ]);
        return $query->getSingleScalarResult();
    }

    /**
     * @return float
     */
    public function getHighscoreForLevel(Level $level) {
        $query = $this->_em->createQuery(
         "SELECT MAX(g.score) FROM ".Game::class." g WHERE g.level = :level"
         )
         ->setParameters([
             'level' => $game->getLevel(),
         ]);
        return $query->getSingleScalarResult();
    }
}