From 0936fc851232c8c6c41ce4a0c479ba7a1e452137 Mon Sep 17 00:00:00 2001 From: Torsten Grote Date: Mon, 28 Sep 2020 12:12:20 -0300 Subject: [wallet] implement exchange selection for withdrawals --- .../taler/wallet/exchanges/ExchangeFeesFragment.kt | 146 +++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 wallet/src/main/java/net/taler/wallet/exchanges/ExchangeFeesFragment.kt (limited to 'wallet/src/main/java/net/taler/wallet/exchanges/ExchangeFeesFragment.kt') diff --git a/wallet/src/main/java/net/taler/wallet/exchanges/ExchangeFeesFragment.kt b/wallet/src/main/java/net/taler/wallet/exchanges/ExchangeFeesFragment.kt new file mode 100644 index 0000000..c59fffe --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/exchanges/ExchangeFeesFragment.kt @@ -0,0 +1,146 @@ +/* + * 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 + */ + +package net.taler.wallet.exchanges + +import android.os.Bundle +import android.view.LayoutInflater +import android.view.View +import android.view.View.GONE +import android.view.ViewGroup +import android.widget.TextView +import androidx.core.content.ContextCompat.getColor +import androidx.fragment.app.Fragment +import androidx.fragment.app.activityViewModels +import androidx.recyclerview.widget.RecyclerView.Adapter +import androidx.recyclerview.widget.RecyclerView.ViewHolder +import net.taler.common.toRelativeTime +import net.taler.common.toShortDate +import net.taler.lib.common.Amount +import net.taler.wallet.MainViewModel +import net.taler.wallet.R +import net.taler.wallet.databinding.FragmentExchangeFeesBinding +import net.taler.wallet.exchanges.CoinFeeAdapter.CoinFeeViewHolder +import net.taler.wallet.exchanges.WireFeeAdapter.WireFeeViewHolder + +class ExchangeFeesFragment : Fragment() { + + private val model: MainViewModel by activityViewModels() + private val withdrawManager by lazy { model.withdrawManager } + + private lateinit var ui: FragmentExchangeFeesBinding + + override fun onCreateView( + inflater: LayoutInflater, + container: ViewGroup?, + savedInstanceState: Bundle? + ): View? { + ui = FragmentExchangeFeesBinding.inflate(inflater, container, false) + return ui.root + } + + override fun onViewCreated(view: View, savedInstanceState: Bundle?) { + val fees = withdrawManager.exchangeFees ?: throw IllegalStateException() + if (fees.withdrawFee.isZero()) { + ui.withdrawFeeLabel.visibility = GONE + ui.withdrawFeeView.visibility = GONE + } else ui.withdrawFeeView.setAmount(fees.withdrawFee) + if (fees.overhead.isZero()) { + ui.overheadLabel.visibility = GONE + ui.overheadView.visibility = GONE + } else ui.overheadView.setAmount(fees.overhead) + ui.expirationView.text = fees.earliestDepositExpiration.ms.toRelativeTime(requireContext()) + ui.coinFeesList.adapter = CoinFeeAdapter(fees.coinFees) + ui.wireFeesList.adapter = WireFeeAdapter(fees.wireFees) + } + + private fun TextView.setAmount(amount: Amount) { + if (amount.isZero()) text = amount.toString() + else { + text = getString(R.string.amount_negative, amount) + setTextColor(getColor(context, R.color.red)) + } + } + +} + +private class CoinFeeAdapter(private val items: List) : Adapter() { + override fun getItemCount() = items.size + override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CoinFeeViewHolder { + val v = + LayoutInflater.from(parent.context).inflate(R.layout.list_item_coin_fee, parent, false) + return CoinFeeViewHolder(v) + } + + override fun onBindViewHolder(holder: CoinFeeViewHolder, position: Int) { + holder.bind(items[position]) + } + + private class CoinFeeViewHolder(private val v: View) : ViewHolder(v) { + private val res = v.context.resources + private val coinView: TextView = v.findViewById(R.id.coinView) + private val withdrawFeeView: TextView = v.findViewById(R.id.withdrawFeeView) + private val depositFeeView: TextView = v.findViewById(R.id.depositFeeView) + private val refreshFeeView: TextView = v.findViewById(R.id.refreshFeeView) + private val refundFeeView: TextView = v.findViewById(R.id.refundFeeView) + fun bind(item: CoinFee) { + coinView.text = res.getQuantityString( + R.plurals.exchange_fee_coin, + item.quantity, + item.coin, + item.quantity + ) + withdrawFeeView.text = + v.context.getString(R.string.exchange_fee_withdraw_fee, item.feeWithdraw) + depositFeeView.text = + v.context.getString(R.string.exchange_fee_deposit_fee, item.feeDeposit) + refreshFeeView.text = + v.context.getString(R.string.exchange_fee_refresh_fee, item.feeRefresh) + refundFeeView.text = + v.context.getString(R.string.exchange_fee_refund_fee, item.feeRefresh) + } + } +} + +private class WireFeeAdapter(private val items: List) : Adapter() { + override fun getItemCount() = items.size + override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): WireFeeViewHolder { + val v = + LayoutInflater.from(parent.context).inflate(R.layout.list_item_wire_fee, parent, false) + return WireFeeViewHolder(v) + } + + override fun onBindViewHolder(holder: WireFeeViewHolder, position: Int) { + holder.bind(items[position]) + } + + private class WireFeeViewHolder(private val v: View) : ViewHolder(v) { + private val validityView: TextView = v.findViewById(R.id.validityView) + private val wireFeeView: TextView = v.findViewById(R.id.wireFeeView) + private val closingFeeView: TextView = v.findViewById(R.id.closingFeeView) + fun bind(item: WireFee) { + validityView.text = v.context.getString( + R.string.exchange_fee_wire_fee_timespan, + item.start.ms.toShortDate(v.context), + item.end.ms.toShortDate(v.context) + ) + wireFeeView.text = + v.context.getString(R.string.exchange_fee_wire_fee_wire_fee, item.wireFee) + closingFeeView.text = + v.context.getString(R.string.exchange_fee_wire_fee_closing_fee, item.closingFee) + } + } +} -- cgit v1.2.3