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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.merchantpos
import org.json.JSONObject
data class Amount(val currency: String, val amount: String) {
@Suppress("unused")
fun isZero(): Boolean {
return amount.toDouble() == 0.0
}
companion object {
private const val FRACTIONAL_BASE = 1e8
@Suppress("unused")
fun fromJson(jsonAmount: JSONObject): Amount {
val amountCurrency = jsonAmount.getString("currency")
val amountValue = jsonAmount.getString("value")
val amountFraction = jsonAmount.getString("fraction")
val amountIntValue = Integer.parseInt(amountValue)
val amountIntFraction = Integer.parseInt(amountFraction)
return Amount(
amountCurrency,
(amountIntValue + amountIntFraction / FRACTIONAL_BASE).toString()
)
}
fun fromString(strAmount: String): Amount {
val components = strAmount.split(":")
return Amount(components[0], components[1])
}
}
}
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