/**
* Получение последней котировки используемого в стратегии символа
* @param Strategy $strategy
* @return Price
*/
public function getLastPrice(Strategy $strategy)
{
return $this->em->getRepository($this->entityNamespace . Strategy::getSymbolName()[$strategy->getSymbol()])->findOneBy([], ['id' => 'DESC']);
}
/**
* Бэктестинг стратегии
* @Route("/test/{id}", requirements={"id"="\d+"}, name="strategy.test")
* @Template()
* @ParamConverter("id", class="RottenwoodBarchartBundle:Strategy")
* @param Strategy $strategy
* @return \Symfony\Component\HttpFoundation\Response
*/
public function testStrategyAction(Strategy $strategy)
{
if ($strategy->isPrivate() && $strategy->getAuthor() !== $this->getUser()) {
return ['strategyIsPrivate' => $strategy->getId()];
}
$analizer = $this->get('barchart.analizer');
$trades = $analizer->testStrategy($strategy);
$lastPrice = $analizer->getLastPrice($strategy);
$profit = $analizer->calculatePercentProfit($trades);
return ['strategy' => $strategy, 'trades' => $trades, 'currentPrice' => $lastPrice ? $lastPrice->getPrice() : 0, 'percentProfit' => $profit['simple'], 'percentProfitComplex' => $profit['complex'], 'firstPriceDate' => $analizer->getFirstTradeDate($strategy), 'lastPriceDate' => $analizer->getLastTradeDate($strategy)];
}
/**
* Название торгового инструмента
* @param int $symbol
* @return string
*/
public function getSymbolName($symbol)
{
$symbolNames = Strategy::getRussianSymbolName();
return array_key_exists($symbol, $symbolNames) ? $symbolNames[$symbol] : '';
}
