bank_account.cpp

 /*
 * CH.10 Structs: Class Exercize
 * 
 * Select the revision tab above for previous versions (github only)
 * 
 * Revision 1: Brian Teachman, Brandon Sobjack, Carolyn Stratford
 * Revision 2-7: Brian
 * 
 * 8/16/2016
 */

#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <string>
#include <vector>

using namespace std;

struct BankAccount
{
    string name;
    double balance;
    int number;
};

const string FILE_DIR = "c:\\cs131_temp\\";

vector<BankAccount> manageAccounts(void);

void addAccount(vector<BankAccount> &accountList);

void withdrawFromAccount(vector<BankAccount> &accountList);

void listAccounts(vector<BankAccount> accountList, bool isMenu=false);
// Default display does include balance info (isMenu=false)
//TODO: Fix layout

void writeToCSV(vector<BankAccount> accountList, string directory);
// Write accountList to file as csv (account_list.csv)
// TODO: log and throw error

int main()
{
    vector<BankAccount> accountList = manageAccounts();
    //do something with this so called list of accounts
    return 0;
}

vector<BankAccount> manageAccounts()
{
    vector<BankAccount> list;
    char users_selection;
    bool done = false;
    while (!done)
    {
        cout << " Select a choice: (L)ist, (A)dd, (W)ithdraw, (S)ave, (Q)uit:  ";
        cin >> users_selection;
        cout << endl;
        switch (users_selection)
        {
            case 'L': case 'l':
                listAccounts(list);
                break;
            case 'A': case 'a':
                addAccount(list);
                listAccounts(list);
                break;
            case 'W': case 'w':
                listAccounts(list, true); //isMenu=true
                withdrawFromAccount(list);
                listAccounts(list);
                break;
            case 'S': case 's':
                writeToCSV(list, FILE_DIR);
                break;
            case 'Q': case 'q':
                done = true;
                break;
        }
    }
    return list;
}

void addAccount(vector<BankAccount> &accountList)
{
    BankAccount account;

    cout << " Enter an account name: ";
    cin.ignore();               //clean input stream
    getline(cin, account.name); //capture proper names
    
    cout << " Enter the starting balance: ";
    cin >> account.balance;

    account.number = accountList.size() + 1;
    accountList.push_back(account);
}

void listAccounts(vector<BankAccount> accountList, bool isMenu)
{
    cout << endl;
    if (isMenu)
    {
        cout << " Acc.#" << "\t" << "Name" << endl
             << "------------------------------" << endl;
        for (BankAccount account : accountList)
        {
            cout << account.number << ") \t" << account.name << endl;
        }
    }
    else
    {
        cout << " Acc.#" << "\t" << "Name" << "\t\t" << "Balance" << endl
             << "-----------------------------------" << endl;
        for (BankAccount account : accountList)
        {
            cout << " " << account.number << "\t" << account.name << "\t";
            if (account.name.size() < 8) cout << "\t"; //TODO Fix layout
            cout << "$" << static_cast<double>(account.balance) << endl;
        }
    }
    cout << endl;
}

void withdrawFromAccount(vector<BankAccount> &accountList)
{
    double amount_to_withdraw = 0;
    int account_number;

    cout << endl;
    cout << " Enter an account number to withdraw from: ";
    cin >> account_number;

    cout << " Enter the amount to withdraw: ";
    cin >> amount_to_withdraw;

    for (BankAccount &account : accountList)
    {
        if (account_number == account.number)
        {   
            BankAccount found;
            account.balance -= amount_to_withdraw;
        }
    }
}

void writeToCSV(vector<BankAccount> accountList, string directory)
{
    ofstream accountsFile;
    accountsFile.open(directory+"accounts_list.csv");
    if (accountsFile.fail())
    {
        // TODO: log and throw error
        exit(1);
    }
    for (BankAccount account: accountList)
    {
        accountsFile << account.number << ", " << account.name << ", " << account.balance << "\n";
    }
    accountsFile.close();
}