batm_public/server_extensions_extra/src/main/java/com/generalbytes/batm/server/extensions/extra/egulden/sources/FixPriceRateSource.java

package com.generalbytes.batm.server.extensions.extra.egulden.sources;

import com.generalbytes.batm.server.extensions.Currencies;
import com.generalbytes.batm.server.extensions.Currencies;
import com.generalbytes.batm.server.extensions.IRateSource;

import java.math.BigDecimal;
import java.util.HashSet;
import java.util.Set;

public class FixPriceRateSource implements IRateSource {
    private BigDecimal rate = BigDecimal.ZERO;

    private String preferedFiatCurrency = Currencies.USD;

    public FixPriceRateSource(BigDecimal rate,String preferedFiatCurrency) {
        this.rate = rate;
        for (String fiatCurrency : Currencies.FIAT_CURRENCIES) {
            if (fiatCurrency.equalsIgnoreCase(preferedFiatCurrency)) {
                this.preferedFiatCurrency = fiatCurrency;
                break;
            }
        }
    }

    @Override
    public Set<String> getCryptoCurrencies() {
        Set<String> result = new HashSet<String>();
        result.add(Currencies.EFL);
        return result;
    }

    @Override
    public BigDecimal getExchangeRateLast(String cryptoCurrency, String fiatCurrency) {
        if (Currencies.EFL.equalsIgnoreCase(cryptoCurrency)) {
            return rate;
        }
        return null;
    }

    @Override
    public Set<String> getFiatCurrencies() {
        Set<String> result = new HashSet<String>();
        result.add(Currencies.USD);
        result.add(Currencies.EUR);
        return result;
    }

    @Override
    public String getPreferredFiatCurrency() {
        return preferedFiatCurrency;
    }

}