public void CalculateBalanceOfAllAccounts()
{
var bankAccountList = _bankAccountRepository.GetWhereWithIncludes(x => x.Id > 0, x => x.Expenses, x => x.Earnings, x => x.Transfers).ToList();
foreach (var bankAccount in bankAccountList)
{
var sumOfExpenses = _expensesRepository.GetWhere(t => t.BankAccountId == bankAccount.Id).Sum(e => e.AmountOfMoney);
var sumOfEarnings = _earningsRepository.GetWhere(t => t.BankAccountId == bankAccount.Id).Sum(e => e.AmountOfMoney);
var sumOfTransferIncomes = _transferRepository.GetWhere(t => t.TargetBankAccountId == bankAccount.Id)
.Sum(x => x.AmountOfMoney);
var sumOfTransferOutcomes = _transferRepository.GetWhere(t => t.SourceBankAccountId == bankAccount.Id)
.Sum(t => t.AmountOfMoney);
bankAccount.Balance = bankAccount.InitialBalance - sumOfExpenses + sumOfEarnings + sumOfTransferIncomes - sumOfTransferOutcomes;
_bankAccountRepository.Update(bankAccount);
}
}