refactor: #4 leader board query with join :)

app/Model/User.php

@@ -109,7 +109,9 @@ public static function get_top(int $limit): array
  $table = self::$table;
  $db = self::connection();
 
- $query = $db->prepare("SELECT users.*,(SELECT COUNT(*) FROM game_logs WHERE user_id=users.id) AS level_count FROM $table ORDER BY level_count DESC LIMIT $limit");
+ $query = $db->prepare(
+ "SELECT users.*, COUNT(game_logs.id) as level_count FROM $table inner join game_logs on users.id=game_logs.user_id GROUP BY users.id ORDER BY `level_count` DESC LIMIT $limit"
+ );
 
  if (!$query->execute()) {
  return false;