TheRockUserTrade.java

package org.knowm.xchange.therock.dto.trade;

import java.math.BigDecimal;
import java.util.Date;

import org.knowm.xchange.therock.dto.marketdata.TheRockTrade.Side;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

public class TheRockUserTrade {

    private final long id;
    private final String fundId;
    private final BigDecimal amount;
    private final Date date;
    private final BigDecimal price;
    private final Side side;
    private final long orderId;
    private final TheRockUserTradeTransaction feeTransaction;

    public TheRockUserTrade(
            @JsonProperty("id") long id, @JsonProperty("fund_id") String fundId
            ,@JsonProperty("amount") BigDecimal amount, @JsonProperty("price") BigDecimal price
            , @JsonProperty("date") Date date, @JsonProperty("side") Side tradeSide,
            @JsonProperty("order_id") long orderId, @JsonProperty("transactions") TheRockUserTradeTransaction[] transactions) {
        this.id = id;
        this.fundId = fundId;
        this.amount = amount;
        this.price = price;
        this.date = date;
        this.side = tradeSide;
        this.orderId = orderId;

        // try to find the fee transaction
        TheRockUserTradeTransaction ft = null;
        for (TheRockUserTradeTransaction t : transactions) {
            if (t.type == TransactionType.paid_commission) {
                ft = t;
                break;
            }
        }
        feeTransaction = ft;

    }

    public long getId() { return id; }
    public String getFundId() { return fundId; }
    public BigDecimal getAmount() { return amount; }
    public BigDecimal getPrice() { return price; }
    public Date getDate() { return date; }
    public Side getSide() { return side; }
    public long getOrderId() { return orderId; }

    public BigDecimal getFeeAmount() {
        return feeTransaction == null ? BigDecimal.ZERO : feeTransaction.price;
    }
    public String getFeeCurrency() {
        return feeTransaction == null ? null : feeTransaction.currency;
    }

    @Override
    public String toString() {
        return "TheRockTrade [amount=" + amount + ", date=" + date + ", price=" + price + ", id=" + id + ", side=" + side + "]";
    }

    @SuppressWarnings("unused")
    private static class TheRockUserTradeTransaction {
        private final long id;
        private final Date date;
        private final TransactionType type;
        private final BigDecimal price;
        private final String currency;
        
        public TheRockUserTradeTransaction(@JsonProperty("id") long id, @JsonProperty("date") Date date
                , @JsonProperty("type") TransactionType type, @JsonProperty("price") BigDecimal price
                , @JsonProperty("currency") String currency) {
            super();
            this.id = id;
            this.date = date;
            this.type = type;
            this.price = price;
            this.currency = currency;
        }
    }

    private static enum TransactionType {
        sold_currency_to_fund, released_currency_to_fund, paid_commission, bought_currency_from_fund, acquired_currency_from_fund, unknown;
        
        @JsonCreator
        public static TransactionType fromString(String string) {
            try {
                return TransactionType.valueOf(string);
            } catch (Throwable e) {
                return unknown;
            }
        }
    }
}