/**
* @param string $pgnPath
* @param array $excludedFens
* @return PgnGame
* @throws NotFoundResourceException
*/
public function getRandomPgnGame(string $pgnPath, array $excludedFens = []) : PgnGame
{
$this->parser = new PgnParser($pgnPath);
$availableGames = [];
foreach ($this->parser->getGames() as $index => $pgnGame) {
if (!in_array($pgnGame->getFen(), $excludedFens)) {
$availableGames[] = $pgnGame;
}
}
if (empty($availableGames)) {
throw new NotFoundResourceException();
}
return $availableGames[mt_rand(0, count($availableGames) - 1)];
}
/**
* @param string $fileName
* @return int
*/
public function import(string $fileName) : int
{
if (!file_exists($fileName)) {
throw new FileNotFoundException();
}
$parser = new PgnParser($fileName);
$count = 0;
foreach ($parser->getGames() as $pgnGame) {
if ($pgnGame->getBlack() != '#2' || empty($pgnGame->getMoves())) {
continue;
}
$count++;
$problem = (new Problem())->setFen($pgnGame->getFen())->setPgn($pgnGame->getMoves());
$this->manager->persist($problem);
}
$this->manager->flush();
return $count;
}
