Ad::getExpenses

public function getExpenses(Main\Type\Date $dateFrom = null, Main\Type\Date $dateTo = null)
{
	self::updateAccountIdCompatible();

	$defaultResult = [
		'impressions' => 0,
		'actions' => 0,
		'spend' => 0,
		'currency' => '',
	];

	if (!$this->isConnected())
	{
		return $defaultResult;
	}

	if ($this->account->hasAccounts())
	{
		if (!$this->accountId)
		{
			return $defaultResult;
		}
	}

	$cacheDir = '/crm/tracking/ad/expenses/';
	$cacheTtl = (int) Main\Config\Option::get('crm', 'crm_tracking_expenses_cache_ttl') ?: self::CacheTtl;
	$cacheId = $this->code
		. '|' . $this->clientId . '|' . $this->accountId
		. '|' . $dateFrom->getTimestamp() . '|' . $dateTo->getTimestamp();
	$cache = Main\Data\Cache::createInstance();
	if ($cache->initCache($cacheTtl, $cacheId, $cacheDir))
	{
		return $cache->getVars()['expenses'] + $defaultResult;
	}

	$expenses = $defaultResult;
	$result = $this->account->getExpenses($this->accountId, $dateFrom, $dateTo)->fetch();
	if (!empty($result['EXPENSES']))
	{
		$result = $result['EXPENSES'];
		/** @var $result Seo\Analytics\Internals\Expenses  */

		$currencyId = $result->getCurrency();
		if ($currencyId === 'BYN' && \CCrmCurrency::getAccountCurrencyID() === 'BYR')
		{
			$currencyId = 'BYR';
		}
		$expenses = [
			'impressions' => $result->getImpressions(),
			'actions' => $result->getActions(),
			'spend' => ($result->getSpend() && $result->getCurrency())
				? \CCrmCurrency::convertMoney(
					$result->getSpend(),
					$currencyId,
					\CCrmCurrency::GetAccountCurrencyID()
				)
				: $result->getSpend(),
			'currency' => \CCrmCurrency::GetAccountCurrencyID(),
		];
	}

	if (!empty($expenses['spend']))
	{
		$cache->startDataCache($cacheTtl, $cacheId, $cacheDir);
		$cache->endDataCache(['expenses' => $expenses]);
	}

	return $expenses;
}