public function recalculate()
{
if (!$this->user instanceof User) {
throw new InvalidDataException("User not set");
}
$runningTotal = 0;
$positivePayments = $this->paymentRepository->getUserPaymentsByReason($this->userId, 'balance');
$negativePayments = $this->paymentRepository->getUserPaymentsBySource($this->userId, 'balance');
foreach ($positivePayments as $payment) {
$runningTotal = $runningTotal + $payment->amount * 100;
}
foreach ($negativePayments as $payment) {
$runningTotal = $runningTotal - $payment->amount * 100;
}
$this->user->cash_balance = $runningTotal;
$this->user->save();
}
