Trading-Platform/Wallet.cpp at main · dev-pa5an/Trading-Platform · GitHub

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#include "Wallet.h"

Wallet::Wallet()
{

}

void Wallet::insertCurrency(std::string type, double amount)
{
    double balance;
    if (amount < 0)
    {
        throw std::exception{};
    }
    if (currencies.count(type) == 0)
    {
        balance = 0;
    }
    else
    {
        balance =  currencies[type];
    }
    balance += amount;
    currencies[type] = balance;
}

bool Wallet::containsCurrency(std::string type, double amount)
{
    if (currencies.count(type) == 0)
        return false;
    else
        return currencies[type] >=  amount;
}

std::string Wallet::toString()
{
    std::string s;
    for (std::pair<std::string, double> pair : currencies)
    {
        std::string currency = pair.first;
        double amount = pair.second;
        s += currency + " : " + std::to_string(amount) + "\n";
    }
    return s;
}

bool Wallet::removeCurrency(std::string type, double amount)
{
    if (amount <= 0)
    {
        return false;
    }
    if (currencies.count(type) == 0)
    {
        return false;
    }
    else
    {
        if (containsCurrency(type, amount))
        {
            currencies[type] -= amount;
            return true;
        }
        else
            return false;
    }
}