brass.cpp

// brass.cpp -- bank account class methods
#include <iostream>
#include <cstring>
#include "brass.h"
using std::cout;
using std::ios_base;
using std::endl;
// Brass methods

Brass::Brass (const char *s, long an, double bal)
{
	std::strncpy (fullName, s, MAX - 1);
	fullName[MAX - 1] = '\0';
	acctNum = an;
	balance = bal;
}

void Brass::Deposit (double amt)
{
	if (amt < 0) {
		cout << "Negative deposit not allowed: "
			<< "deposit is cancelled.\n";
	} else {
		balance += amt;
	}
}

void Brass::Withdraw (double amt)
{
	if (amt < 0) {
		cout << "Withdrawal amount must be positive: "
			<< "withdrawal cancelled.\n";
	} else if (amt <= balance) {
		balance -= amt;
	} else {
		cout << "Withdrawal amount of $" << amt
			<< " exceeds your balance.\n"
			<<  "Withdrawal canceled.\n";
	}
}

double Brass::Balance()const
{
	return balance;
}

void Brass::ViewAcct()const
{
	ios_base::fmtflags initialState =
		cout.setf(ios_base::fixed, ios_base::floatfield);
	cout.setf (ios_base::showpoint);
	cout.precision(2);
	cout << "Client: " << fullName << endl;
	cout << "Account Number: " << acctNum << endl;
	cout << "Balance: $" << balance << endl;
	cout.setf(initialState);	// restore original format
}

// BrassPlus Methods
BrassPlus::BrassPlus(const char *s, long an, double bal,
		double ml, double r) : Brass (s, an, bal)
{
	maxLoan = ml;
	ownsBank = 0.0;
	rate = r;
}

BrassPlus::BrassPlus(const Brass & ba, double ml, double r)
			: Brass (ba)	// uses implicit copy cosntructor
{
	maxLoan = ml;
	ownsBank = 0.0;
	rate = r;
}

void BrassPlus::ViewAcct()const
{
	ios_base::fmtflags initialState =
		cout.setf(ios_base::fixed, ios_base::floatfield);
	cout.setf(ios_base::showpoint);
	cout.precision (2);

	Brass::ViewAcct();
	cout << "Maximum load: $" << maxLoan << endl;
	cout << "Owed to bank: $" << ownsBank << endl;
	cout << "Load Rate: " << 100 * rate << "%\n";
	cout.setf(initialState);
}

void BrassPlus::Withdraw (double amt)
{
	ios_base::fmtflags initialState =
		cout.setf(ios_base::fixed, ios_base::floatfield);
	cout.setf(ios_base::showpoint);
	cout.precision(2);

	double bal = Balance();
	if (amt <= bal) {
		Brass::Withdraw(amt);
	} else if (amt <= bal + maxLoan - ownsBank) {
		double advance = amt - bal;
		ownsBank += advance * (1.0 * rate);
		cout << "Bank advance: $" << advance << endl;
		cout << "Finance charge: $" << advance * rate << endl;
		Deposit(advance);
		Brass::Withdraw(amt);
	} else {
		cout << "Credit limit exceeded. Transaction cancelled.\n";
	}
	cout.setf(initialState);
}