public function add(CashFlow $cashflow)
{
if ($this->getFormattedDate() !== $cashflow->getFormattedDate()) {
throw new UnexpectedDateException('Impossible to compare two cashflows not belonging to the same day.');
}
$newCashflow = clone $this;
return $newCashflow->setPrice($this->price->add($cashflow->getPrice()));
}
/**
* @param CashFlow $cashflow
* @throws \MonoidPoc\Exception\UnexpectedDateException
*/
private function addCashFlow(CashFlow $cashflow)
{
$date = $cashflow->getFormattedDate();
if (!isset($this->cashflows[$date])) {
$this->cashflows[$date] = new CashFlow($date, 0, $this->currencyCode);
}
$this->cashflows[$date] = $this->cashflows[$date]->add($cashflow);
}