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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/* $Rev$ $Date$ */
#ifndef store_currency_hpp
#define store_currency_hpp
#include <math.h>
#include <string>
namespace store
{
class CurrencyConverter {
public:
virtual const double convert(const std::string& fromCurrencyCode, const std::string& toCurrencyCode, const double amount) const = 0;
virtual const std::string getSymbol(const std::string& currencyCode) const = 0;
};
class CurrencyConverterImpl : public CurrencyConverter {
public:
virtual const double convert(const std::string& fromCurrencyCode, const std::string& toCurrencyCode, const double amount) const {
if(toCurrencyCode == "USD")
return amount;
if(toCurrencyCode == "EUR")
return round(amount * 0.7256 * 100) / 100;
return amount;
}
virtual const std::string getSymbol(const std::string& currencyCode) const {
if(currencyCode == "USD")
return "$";
if(currencyCode == "EUR")
return "E";
return "?";
}
};
}
#endif /* store_currency_hpp */
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