From 865f80d49a8741de55d27002717d7ca1b42c875f Mon Sep 17 00:00:00 2001 From: Torsten Grote Date: Wed, 2 Nov 2022 08:58:45 -0300 Subject: [wallet] Open payto:// URIs and hook into deposit to bank account flow --- .../src/main/java/net/taler/wallet/MainActivity.kt | 15 ++ .../main/java/net/taler/wallet/MainViewModel.kt | 27 ++ .../net/taler/wallet/accounts/KnownBankAccounts.kt | 2 +- .../net/taler/wallet/deposit/DepositFragment.kt | 272 +++++++++++++++++++++ .../net/taler/wallet/deposit/DepositManager.kt | 117 +++++++++ .../java/net/taler/wallet/deposit/DepositState.kt | 44 ++++ .../net/taler/wallet/deposit/PayToUriFragment.kt | 245 +++++++++++++++++++ .../net/taler/wallet/payment/DepositFragment.kt | 262 -------------------- .../java/net/taler/wallet/payment/DepositState.kt | 44 ---- .../net/taler/wallet/payment/PaymentManager.kt | 79 ------ 10 files changed, 721 insertions(+), 386 deletions(-) create mode 100644 wallet/src/main/java/net/taler/wallet/deposit/DepositFragment.kt create mode 100644 wallet/src/main/java/net/taler/wallet/deposit/DepositManager.kt create mode 100644 wallet/src/main/java/net/taler/wallet/deposit/DepositState.kt create mode 100644 wallet/src/main/java/net/taler/wallet/deposit/PayToUriFragment.kt delete mode 100644 wallet/src/main/java/net/taler/wallet/payment/DepositFragment.kt delete mode 100644 wallet/src/main/java/net/taler/wallet/payment/DepositState.kt (limited to 'wallet/src/main/java/net/taler') diff --git a/wallet/src/main/java/net/taler/wallet/MainActivity.kt b/wallet/src/main/java/net/taler/wallet/MainActivity.kt index cb48c30..13fd394 100644 --- a/wallet/src/main/java/net/taler/wallet/MainActivity.kt +++ b/wallet/src/main/java/net/taler/wallet/MainActivity.kt @@ -32,6 +32,7 @@ import android.view.View.VISIBLE import android.widget.TextView import androidx.activity.viewModels import androidx.appcompat.app.AppCompatActivity +import androidx.core.os.bundleOf import androidx.core.view.GravityCompat.START import androidx.lifecycle.MutableLiveData import androidx.lifecycle.Observer @@ -146,6 +147,13 @@ class MainActivity : AppCompatActivity(), OnNavigationItemSelectedListener, else super.onBackPressed() } + override fun onNewIntent(intent: Intent?) { + super.onNewIntent(intent) + if (intent?.action == ACTION_VIEW) intent.dataString?.let { uri -> + handleTalerUri(uri, "intent") + } + } + override fun onNavigationItemSelected(item: MenuItem): Boolean { when (item.itemId) { R.id.nav_home -> nav.navigate(R.id.nav_main) @@ -218,6 +226,13 @@ class MainActivity : AppCompatActivity(), OnNavigationItemSelectedListener, getTalerAction(uri, 3, MutableLiveData()).observe(this) { u -> Log.v(TAG, "found action $u") + if (u.startsWith("payto://", ignoreCase = true)) { + Log.v(TAG, "navigating with paytoUri!") + val bundle = bundleOf("uri" to u) + nav.navigate(R.id.action_nav_payto_uri, bundle) + return@observe + } + val normalizedURL = u.lowercase(ROOT) val action = normalizedURL.substring( if (normalizedURL.startsWith("taler://", ignoreCase = true)) { diff --git a/wallet/src/main/java/net/taler/wallet/MainViewModel.kt b/wallet/src/main/java/net/taler/wallet/MainViewModel.kt index e660676..255c28b 100644 --- a/wallet/src/main/java/net/taler/wallet/MainViewModel.kt +++ b/wallet/src/main/java/net/taler/wallet/MainViewModel.kt @@ -27,6 +27,7 @@ import androidx.lifecycle.viewModelScope import kotlinx.coroutines.Job import kotlinx.coroutines.launch import net.taler.common.Amount +import net.taler.common.AmountParserException import net.taler.common.Event import net.taler.common.assertUiThread import net.taler.common.toEvent @@ -34,6 +35,7 @@ import net.taler.wallet.accounts.AccountManager import net.taler.wallet.backend.WalletBackendApi import net.taler.wallet.balances.BalanceItem import net.taler.wallet.balances.BalanceResponse +import net.taler.wallet.deposit.DepositManager import net.taler.wallet.exchanges.ExchangeManager import net.taler.wallet.payment.PaymentManager import net.taler.wallet.peer.PeerManager @@ -100,6 +102,7 @@ class MainViewModel(val app: Application) : AndroidViewModel(app) { val peerManager: PeerManager = PeerManager(api, viewModelScope) val settingsManager: SettingsManager = SettingsManager(app.applicationContext, viewModelScope) val accountManager: AccountManager = AccountManager(api, viewModelScope) + val depositManager: DepositManager = DepositManager(api, viewModelScope) private val mTransactionsEvent = MutableLiveData>() val transactionsEvent: LiveData> = mTransactionsEvent @@ -141,6 +144,24 @@ class MainViewModel(val app: Application) : AndroidViewModel(app) { mTransactionsEvent.value = currency.toEvent() } + @UiThread + fun getCurrencies(): List { + return balances.value?.map { balanceItem -> + balanceItem.currency + } ?: emptyList() + } + + @UiThread + fun createAmount(amountText: String, currency: String): AmountResult { + val amount = try { + Amount.fromString(currency, amountText) + } catch (e: AmountParserException) { + return AmountResult.InvalidAmount + } + if (hasSufficientBalance(amount)) return AmountResult.Success(amount) + return AmountResult.InsufficientBalance + } + @UiThread fun hasSufficientBalance(amount: Amount): Boolean { balances.value?.forEach { balanceItem -> @@ -177,3 +198,9 @@ class MainViewModel(val app: Application) : AndroidViewModel(app) { } } + +sealed class AmountResult { + class Success(val amount: Amount) : AmountResult() + object InsufficientBalance : AmountResult() + object InvalidAmount : AmountResult() +} diff --git a/wallet/src/main/java/net/taler/wallet/accounts/KnownBankAccounts.kt b/wallet/src/main/java/net/taler/wallet/accounts/KnownBankAccounts.kt index a0ce956..35dd45a 100644 --- a/wallet/src/main/java/net/taler/wallet/accounts/KnownBankAccounts.kt +++ b/wallet/src/main/java/net/taler/wallet/accounts/KnownBankAccounts.kt @@ -61,7 +61,7 @@ class PaytoUriIban( val paytoUri: String get() = Uri.Builder() .scheme("payto") - .appendEncodedPath("/$targetType") + .authority(targetType) .apply { if (bic != null) appendPath(bic) } .appendPath(iban) .apply { diff --git a/wallet/src/main/java/net/taler/wallet/deposit/DepositFragment.kt b/wallet/src/main/java/net/taler/wallet/deposit/DepositFragment.kt new file mode 100644 index 0000000..2793e56 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/deposit/DepositFragment.kt @@ -0,0 +1,272 @@ +/* + * This file is part of GNU Taler + * (C) 2022 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.deposit + +import android.os.Bundle +import android.view.LayoutInflater +import android.view.View +import android.view.ViewGroup +import androidx.compose.animation.AnimatedVisibility +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.fillMaxWidth +import androidx.compose.foundation.layout.padding +import androidx.compose.foundation.rememberScrollState +import androidx.compose.foundation.verticalScroll +import androidx.compose.material.Button +import androidx.compose.material.OutlinedTextField +import androidx.compose.material.Surface +import androidx.compose.material.Text +import androidx.compose.runtime.Composable +import androidx.compose.runtime.LaunchedEffect +import androidx.compose.runtime.getValue +import androidx.compose.runtime.mutableStateOf +import androidx.compose.runtime.remember +import androidx.compose.runtime.saveable.rememberSaveable +import androidx.compose.runtime.setValue +import androidx.compose.ui.Alignment +import androidx.compose.ui.Modifier +import androidx.compose.ui.focus.FocusRequester +import androidx.compose.ui.focus.focusRequester +import androidx.compose.ui.graphics.Color +import androidx.compose.ui.platform.ComposeView +import androidx.compose.ui.platform.LocalFocusManager +import androidx.compose.ui.res.colorResource +import androidx.compose.ui.res.stringResource +import androidx.compose.ui.tooling.preview.Preview +import androidx.compose.ui.unit.dp +import androidx.compose.ui.unit.sp +import androidx.fragment.app.Fragment +import androidx.fragment.app.activityViewModels +import com.google.android.material.composethemeadapter.MdcTheme +import net.taler.common.Amount +import net.taler.wallet.MainViewModel +import net.taler.wallet.R +import net.taler.wallet.compose.collectAsStateLifecycleAware + +class DepositFragment : Fragment() { + private val model: MainViewModel by activityViewModels() + private val depositManager get() = model.depositManager + + override fun onCreateView( + inflater: LayoutInflater, + container: ViewGroup?, + savedInstanceState: Bundle?, + ): View { + val amount = arguments?.getString("amount")?.let { + Amount.fromJSONString(it) + } ?: error("no amount passed") + val receiverName = arguments?.getString("receiverName") + val iban = arguments?.getString("IBAN") + val bic = arguments?.getString("BIC") ?: "" + + if (receiverName != null && iban != null) { + onDepositButtonClicked(amount, receiverName, iban, bic) + } + return ComposeView(requireContext()).apply { + setContent { + MdcTheme { + Surface { + val state = depositManager.depositState.collectAsStateLifecycleAware() + MakeDepositComposable( + state = state.value, + amount = amount, + presetName = receiverName, + presetIban = iban, + onMakeDeposit = this@DepositFragment::onDepositButtonClicked, + ) + } + } + } + } + } + + override fun onStart() { + super.onStart() + activity?.setTitle(R.string.send_deposit_title) + } + + override fun onDestroy() { + super.onDestroy() + if (!requireActivity().isChangingConfigurations) { + depositManager.resetDepositState() + } + } + + private fun onDepositButtonClicked( + amount: Amount, + receiverName: String, + iban: String, + bic: String, + ) { + depositManager.onDepositButtonClicked(amount, receiverName, iban, bic) + } +} + +@Composable +private fun MakeDepositComposable( + state: DepositState, + amount: Amount, + presetName: String? = null, + presetIban: String? = null, + onMakeDeposit: (Amount, String, String, String) -> Unit, +) { + val scrollState = rememberScrollState() + Column( + modifier = Modifier + .fillMaxWidth() + .verticalScroll(scrollState), + horizontalAlignment = Alignment.CenterHorizontally, + ) { + var name by rememberSaveable { mutableStateOf(presetName ?: "") } + var iban by rememberSaveable { mutableStateOf(presetIban ?: "") } + var bic by rememberSaveable { mutableStateOf("") } + val focusRequester = remember { FocusRequester() } + OutlinedTextField( + modifier = Modifier + .padding(16.dp) + .focusRequester(focusRequester), + value = name, + enabled = !state.showFees, + onValueChange = { input -> + name = input + }, + isError = name.isBlank(), + label = { + Text( + stringResource(R.string.send_deposit_name), + color = if (name.isBlank()) { + colorResource(R.color.red) + } else Color.Unspecified, + ) + } + ) + LaunchedEffect(Unit) { + focusRequester.requestFocus() + } + OutlinedTextField( + modifier = Modifier + .padding(16.dp), + value = iban, + enabled = !state.showFees, + onValueChange = { input -> + iban = input + }, + isError = iban.isBlank(), + label = { + Text( + text = stringResource(R.string.send_deposit_iban), + color = if (iban.isBlank()) { + colorResource(R.color.red) + } else Color.Unspecified, + ) + } + ) + OutlinedTextField( + modifier = Modifier + .padding(16.dp), + value = bic, + enabled = !state.showFees, + onValueChange = { input -> + bic = input + }, + label = { + Text( + text = stringResource(R.string.send_deposit_bic), + ) + } + ) + Text( + modifier = Modifier.padding(horizontal = 16.dp), + text = stringResource(id = R.string.amount_chosen), + ) + Text( + modifier = Modifier.padding(16.dp), + fontSize = 24.sp, + color = colorResource(R.color.green), + text = amount.toString(), + ) + AnimatedVisibility(visible = state.showFees) { + Column( + modifier = Modifier.fillMaxWidth(), + horizontalAlignment = Alignment.CenterHorizontally, + ) { + val effectiveAmount = state.effectiveDepositAmount + val fee = amount - (effectiveAmount ?: Amount.zero(amount.currency)) + Text( + modifier = Modifier.padding(horizontal = 16.dp), + text = stringResource(id = R.string.withdraw_fees), + ) + Text( + modifier = Modifier.padding(16.dp), + fontSize = 24.sp, + color = colorResource(if (fee.isZero()) R.color.green else R.color.red), + text = if (fee.isZero()) { + fee.toString() + } else { + stringResource(R.string.amount_negative, fee.toString()) + }, + ) + Text( + modifier = Modifier.padding(horizontal = 16.dp), + text = stringResource(id = R.string.send_deposit_amount_effective), + ) + Text( + modifier = Modifier.padding(16.dp), + fontSize = 24.sp, + color = colorResource(R.color.green), + text = effectiveAmount.toString(), + ) + } + } + AnimatedVisibility(visible = state is DepositState.Error) { + Text( + modifier = Modifier.padding(16.dp), + fontSize = 18.sp, + color = colorResource(R.color.red), + text = (state as? DepositState.Error)?.msg ?: "", + ) + } + val focusManager = LocalFocusManager.current + Button( + modifier = Modifier.padding(16.dp), + enabled = iban.isNotBlank(), + onClick = { + focusManager.clearFocus() + onMakeDeposit(amount, name, iban, bic) + }, + ) { + Text(text = stringResource( + if (state.showFees) R.string.send_deposit_create_button + else R.string.send_deposit_check_fees_button + )) + } + } +} + +@Preview +@Composable +fun PreviewMakeDepositComposable() { + Surface { + val state = DepositState.FeesChecked( + effectiveDepositAmount = Amount.fromDouble("TESTKUDOS", 42.00), + ) + MakeDepositComposable( + state = state, + amount = Amount.fromDouble("TESTKUDOS", 42.23)) { _, _, _, _ -> + } + } +} diff --git a/wallet/src/main/java/net/taler/wallet/deposit/DepositManager.kt b/wallet/src/main/java/net/taler/wallet/deposit/DepositManager.kt new file mode 100644 index 0000000..a207691 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/deposit/DepositManager.kt @@ -0,0 +1,117 @@ +/* + * This file is part of GNU Taler + * (C) 2022 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.deposit + +import android.net.Uri +import android.util.Log +import androidx.annotation.UiThread +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.flow.MutableStateFlow +import kotlinx.coroutines.flow.asStateFlow +import kotlinx.coroutines.launch +import kotlinx.serialization.Serializable +import net.taler.common.Amount +import net.taler.wallet.TAG +import net.taler.wallet.accounts.PaytoUriIban +import net.taler.wallet.backend.WalletBackendApi + +class DepositManager( + private val api: WalletBackendApi, + private val scope: CoroutineScope, +) { + + private val mDepositState = MutableStateFlow(DepositState.Start) + internal val depositState = mDepositState.asStateFlow() + + fun isSupportedPayToUri(uriString: String): Boolean { + if (!uriString.startsWith("payto://")) return false + val u = Uri.parse(uriString) + if (!u.authority.equals("iban", ignoreCase = true)) return false + return u.pathSegments.size >= 1 + } + + @UiThread + fun onDepositButtonClicked(amount: Amount, receiverName: String, iban: String, bic: String) { + val paytoUri: String = PaytoUriIban( + iban = iban, + bic = bic, + targetPath = "", + params = mapOf("receiver-name" to receiverName), + ).paytoUri + + if (depositState.value.showFees) { + val effectiveDepositAmount = depositState.value.effectiveDepositAmount + ?: Amount.zero(amount.currency) + makeDeposit(paytoUri, amount, effectiveDepositAmount) + } else { + prepareDeposit(paytoUri, amount) + } + } + + private fun prepareDeposit(paytoUri: String, amount: Amount) { + mDepositState.value = DepositState.CheckingFees + scope.launch { + api.request("prepareDeposit", PrepareDepositResponse.serializer()) { + put("depositPaytoUri", paytoUri) + put("amount", amount.toJSONString()) + }.onError { + Log.e(TAG, "Error prepareDeposit $it") + mDepositState.value = DepositState.Error(it.userFacingMsg) + }.onSuccess { + mDepositState.value = DepositState.FeesChecked( + effectiveDepositAmount = it.effectiveDepositAmount, + ) + } + } + } + + private fun makeDeposit( + paytoUri: String, + amount: Amount, + effectiveDepositAmount: Amount, + ) { + mDepositState.value = DepositState.MakingDeposit(effectiveDepositAmount) + scope.launch { + api.request("createDepositGroup", CreateDepositGroupResponse.serializer()) { + put("depositPaytoUri", paytoUri) + put("amount", amount.toJSONString()) + }.onError { + Log.e(TAG, "Error createDepositGroup $it") + mDepositState.value = DepositState.Error(it.userFacingMsg) + }.onSuccess { + mDepositState.value = DepositState.Success + } + } + } + + @UiThread + fun resetDepositState() { + mDepositState.value = DepositState.Start + } +} + +@Serializable +data class PrepareDepositResponse( + val totalDepositCost: Amount, + val effectiveDepositAmount: Amount, +) + +@Serializable +data class CreateDepositGroupResponse( + val depositGroupId: String, + val transactionId: String, +) diff --git a/wallet/src/main/java/net/taler/wallet/deposit/DepositState.kt b/wallet/src/main/java/net/taler/wallet/deposit/DepositState.kt new file mode 100644 index 0000000..1249155 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/deposit/DepositState.kt @@ -0,0 +1,44 @@ +/* + * This file is part of GNU Taler + * (C) 2022 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.deposit + +import net.taler.common.Amount + +sealed class DepositState { + + open val showFees: Boolean = false + open val effectiveDepositAmount: Amount? = null + + object Start : DepositState() + object CheckingFees : DepositState() + class FeesChecked( + override val effectiveDepositAmount: Amount, + ) : DepositState() { + override val showFees = true + } + + class MakingDeposit( + override val effectiveDepositAmount: Amount, + ) : DepositState() { + override val showFees = true + } + + object Success : DepositState() + + class Error(val msg: String) : DepositState() + +} diff --git a/wallet/src/main/java/net/taler/wallet/deposit/PayToUriFragment.kt b/wallet/src/main/java/net/taler/wallet/deposit/PayToUriFragment.kt new file mode 100644 index 0000000..ac1fd59 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/deposit/PayToUriFragment.kt @@ -0,0 +1,245 @@ +/* + * This file is part of GNU Taler + * (C) 2022 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.deposit + +import android.net.Uri +import android.os.Bundle +import android.view.LayoutInflater +import android.view.View +import android.view.ViewGroup +import androidx.compose.foundation.clickable +import androidx.compose.foundation.layout.Arrangement +import androidx.compose.foundation.layout.Box +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.fillMaxSize +import androidx.compose.foundation.layout.fillMaxWidth +import androidx.compose.foundation.layout.padding +import androidx.compose.foundation.layout.wrapContentSize +import androidx.compose.foundation.rememberScrollState +import androidx.compose.foundation.text.KeyboardOptions +import androidx.compose.foundation.verticalScroll +import androidx.compose.material.Button +import androidx.compose.material.DropdownMenu +import androidx.compose.material.DropdownMenuItem +import androidx.compose.material.LocalTextStyle +import androidx.compose.material.OutlinedTextField +import androidx.compose.material.Surface +import androidx.compose.material.Text +import androidx.compose.material.TextFieldDefaults +import androidx.compose.runtime.Composable +import androidx.compose.runtime.LaunchedEffect +import androidx.compose.runtime.getValue +import androidx.compose.runtime.mutableStateOf +import androidx.compose.runtime.remember +import androidx.compose.runtime.saveable.rememberSaveable +import androidx.compose.runtime.setValue +import androidx.compose.ui.Alignment +import androidx.compose.ui.Modifier +import androidx.compose.ui.focus.FocusRequester +import androidx.compose.ui.focus.focusRequester +import androidx.compose.ui.platform.ComposeView +import androidx.compose.ui.platform.LocalFocusManager +import androidx.compose.ui.res.colorResource +import androidx.compose.ui.res.stringResource +import androidx.compose.ui.text.input.KeyboardType +import androidx.compose.ui.tooling.preview.Preview +import androidx.compose.ui.unit.dp +import androidx.core.os.bundleOf +import androidx.fragment.app.Fragment +import androidx.fragment.app.activityViewModels +import androidx.navigation.fragment.findNavController +import com.google.android.material.composethemeadapter.MdcTheme +import net.taler.common.Amount +import net.taler.wallet.AmountResult +import net.taler.wallet.MainViewModel +import net.taler.wallet.R + +class PayToUriFragment : Fragment() { + private val model: MainViewModel by activityViewModels() + private val depositManager get() = model.depositManager + + override fun onCreateView( + inflater: LayoutInflater, + container: ViewGroup?, + savedInstanceState: Bundle?, + ): View { + val uri = arguments?.getString("uri") ?: error("no amount passed") + + val currencies = model.getCurrencies() + return ComposeView(requireContext()).apply { + setContent { + MdcTheme { + Surface { + if (currencies.isEmpty()) Text( + text = stringResource(id = R.string.payment_balance_insufficient), + color = colorResource(id = R.color.red), + ) else if (depositManager.isSupportedPayToUri(uri)) PayToComposable( + currencies = model.getCurrencies(), + getAmount = model::createAmount, + onAmountChosen = { amount -> + val u = Uri.parse(uri) + val bundle = bundleOf( + "amount" to amount.toJSONString(), + "receiverName" to u.getQueryParameters("receiver-name")[0], + "IBAN" to u.pathSegments.last(), + ) + findNavController().navigate( + R.id.action_nav_payto_uri_to_nav_deposit, bundle) + }, + ) else Text( + text = stringResource(id = R.string.uri_invalid), + color = colorResource(id = R.color.red), + ) + } + } + } + } + } + + override fun onStart() { + super.onStart() + activity?.setTitle(R.string.send_deposit_title) + } + +} + +@Composable +private fun PayToComposable( + currencies: List, + getAmount: (String, String) -> AmountResult, + onAmountChosen: (Amount) -> Unit, +) { + val scrollState = rememberScrollState() + Column( + modifier = Modifier + .fillMaxWidth() + .padding(vertical = 16.dp) + .verticalScroll(scrollState), + horizontalAlignment = Alignment.CenterHorizontally, + verticalArrangement = Arrangement.spacedBy(16.dp), + ) { + var amountText by rememberSaveable { mutableStateOf("") } + var amountError by rememberSaveable { mutableStateOf("") } + var currency by rememberSaveable { mutableStateOf(currencies[0]) } + val focusRequester = remember { FocusRequester() } + OutlinedTextField( + modifier = Modifier + .focusRequester(focusRequester), + value = amountText, + onValueChange = { input -> + amountError = "" + amountText = input + }, + keyboardOptions = KeyboardOptions.Default.copy(keyboardType = KeyboardType.Decimal), + singleLine = true, + isError = amountError.isNotBlank(), + label = { + if (amountError.isBlank()) { + Text(stringResource(R.string.send_amount)) + } else { + Text(amountError, color = colorResource(R.color.red)) + } + } + ) + CurrencyDropdown( + currencies = currencies, + onCurrencyChanged = { c -> currency = c }, + ) + LaunchedEffect(Unit) { + focusRequester.requestFocus() + } + + val focusManager = LocalFocusManager.current + val errorStrInvalidAmount = stringResource(id = R.string.receive_amount_invalid) + val errorStrInsufficientBalance = stringResource(id = R.string.payment_balance_insufficient) + Button( + modifier = Modifier.padding(16.dp), + enabled = amountText.isNotBlank(), + onClick = { + when (val amountResult = getAmount(amountText, currency)) { + is AmountResult.Success -> { + focusManager.clearFocus() + onAmountChosen(amountResult.amount) + } + is AmountResult.InvalidAmount -> amountError = errorStrInvalidAmount + is AmountResult.InsufficientBalance -> amountError = errorStrInsufficientBalance + } + }, + ) { + Text(text = stringResource(R.string.send_deposit_check_fees_button)) + } + } +} + +@Composable +fun CurrencyDropdown( + currencies: List, + onCurrencyChanged: (String) -> Unit, +) { + var selectedIndex by remember { mutableStateOf(0) } + var expanded by remember { mutableStateOf(false) } + Box( + modifier = Modifier + .fillMaxSize() + .wrapContentSize(Alignment.Center), + ) { + OutlinedTextField( + modifier = Modifier + .clickable(onClick = { expanded = true }), + value = currencies[selectedIndex], + onValueChange = { }, + readOnly = true, + enabled = false, + textStyle = LocalTextStyle.current.copy( // show text as if not disabled + color = TextFieldDefaults.outlinedTextFieldColors().textColor( + enabled = true, + ).value + ), + singleLine = true, + label = { + Text(stringResource(R.string.currency)) + } + ) + DropdownMenu( + expanded = expanded, + onDismissRequest = { expanded = false }, + modifier = Modifier, + ) { + currencies.forEachIndexed { index, s -> + DropdownMenuItem(onClick = { + selectedIndex = index + onCurrencyChanged(currencies[index]) + expanded = false + }) { + Text(text = s) + } + } + } + } +} + +@Preview +@Composable +fun PreviewPayToComposable() { + Surface { + PayToComposable( + currencies = listOf("KUDOS", "TESTKUDOS", "BTCBITCOIN"), + getAmount = { _, _ -> AmountResult.InvalidAmount }, + onAmountChosen = {}, + ) + } +} diff --git a/wallet/src/main/java/net/taler/wallet/payment/DepositFragment.kt b/wallet/src/main/java/net/taler/wallet/payment/DepositFragment.kt deleted file mode 100644 index add9467..0000000 --- a/wallet/src/main/java/net/taler/wallet/payment/DepositFragment.kt +++ /dev/null @@ -1,262 +0,0 @@ -/* - * This file is part of GNU Taler - * (C) 2022 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.payment - -import android.os.Bundle -import android.view.LayoutInflater -import android.view.View -import android.view.ViewGroup -import androidx.compose.animation.AnimatedVisibility -import androidx.compose.foundation.layout.Column -import androidx.compose.foundation.layout.fillMaxWidth -import androidx.compose.foundation.layout.padding -import androidx.compose.foundation.rememberScrollState -import androidx.compose.foundation.verticalScroll -import androidx.compose.material.Button -import androidx.compose.material.OutlinedTextField -import androidx.compose.material.Surface -import androidx.compose.material.Text -import androidx.compose.runtime.Composable -import androidx.compose.runtime.LaunchedEffect -import androidx.compose.runtime.getValue -import androidx.compose.runtime.mutableStateOf -import androidx.compose.runtime.remember -import androidx.compose.runtime.saveable.rememberSaveable -import androidx.compose.runtime.setValue -import androidx.compose.ui.Alignment -import androidx.compose.ui.Modifier -import androidx.compose.ui.focus.FocusRequester -import androidx.compose.ui.focus.focusRequester -import androidx.compose.ui.graphics.Color -import androidx.compose.ui.platform.ComposeView -import androidx.compose.ui.platform.LocalFocusManager -import androidx.compose.ui.res.colorResource -import androidx.compose.ui.res.stringResource -import androidx.compose.ui.tooling.preview.Preview -import androidx.compose.ui.unit.dp -import androidx.compose.ui.unit.sp -import androidx.fragment.app.Fragment -import androidx.fragment.app.activityViewModels -import com.google.android.material.composethemeadapter.MdcTheme -import net.taler.common.Amount -import net.taler.wallet.MainViewModel -import net.taler.wallet.R -import net.taler.wallet.compose.collectAsStateLifecycleAware - -class DepositFragment : Fragment() { - private val model: MainViewModel by activityViewModels() - private val paymentManager get() = model.paymentManager - - override fun onCreateView( - inflater: LayoutInflater, - container: ViewGroup?, - savedInstanceState: Bundle?, - ): View { - val amount = arguments?.getString("amount")?.let { - Amount.fromJSONString(it) - } ?: error("no amount passed") - - return ComposeView(requireContext()).apply { - setContent { - MdcTheme { - Surface { - val state = paymentManager.depositState.collectAsStateLifecycleAware() - MakeDepositComposable( - state = state.value, - amount = amount, - onMakeDeposit = this@DepositFragment::onDepositButtonClicked, - ) - } - } - } - } - } - - override fun onStart() { - super.onStart() - activity?.setTitle(R.string.send_deposit_title) - } - - override fun onDestroy() { - super.onDestroy() - if (!requireActivity().isChangingConfigurations) { - paymentManager.resetDepositState() - } - } - - private fun onDepositButtonClicked( - amount: Amount, - receiverName: String, - iban: String, - bic: String, - ) { - paymentManager.onDepositButtonClicked(amount, receiverName, iban, bic) - } -} - -@Composable -private fun MakeDepositComposable( - state: DepositState, - amount: Amount, - onMakeDeposit: (Amount, String, String, String) -> Unit, -) { - val scrollState = rememberScrollState() - Column( - modifier = Modifier - .fillMaxWidth() - .verticalScroll(scrollState), - horizontalAlignment = Alignment.CenterHorizontally, - ) { - var name by rememberSaveable { mutableStateOf("") } - var iban by rememberSaveable { mutableStateOf("") } - var bic by rememberSaveable { mutableStateOf("") } - val focusRequester = remember { FocusRequester() } - OutlinedTextField( - modifier = Modifier - .padding(16.dp) - .focusRequester(focusRequester), - value = name, - enabled = !state.showFees, - onValueChange = { input -> - name = input - }, - isError = name.isBlank(), - label = { - Text( - stringResource(R.string.send_deposit_name), - color = if (name.isBlank()) { - colorResource(R.color.red) - } else Color.Unspecified, - ) - } - ) - LaunchedEffect(Unit) { - focusRequester.requestFocus() - } - OutlinedTextField( - modifier = Modifier - .padding(16.dp), - value = iban, - enabled = !state.showFees, - onValueChange = { input -> - iban = input - }, - isError = iban.isBlank(), - label = { - Text( - text = stringResource(R.string.send_deposit_iban), - color = if (iban.isBlank()) { - colorResource(R.color.red) - } else Color.Unspecified, - ) - } - ) - OutlinedTextField( - modifier = Modifier - .padding(16.dp), - value = bic, - enabled = !state.showFees, - onValueChange = { input -> - bic = input - }, - label = { - Text( - text = stringResource(R.string.send_deposit_bic), - ) - } - ) - Text( - modifier = Modifier.padding(horizontal = 16.dp), - text = stringResource(id = R.string.amount_chosen), - ) - Text( - modifier = Modifier.padding(16.dp), - fontSize = 24.sp, - color = colorResource(R.color.green), - text = amount.toString(), - ) - AnimatedVisibility(visible = state.showFees) { - Column( - modifier = Modifier.fillMaxWidth(), - horizontalAlignment = Alignment.CenterHorizontally, - ) { - val effectiveAmount = state.effectiveDepositAmount - val fee = amount - (effectiveAmount ?: Amount.zero(amount.currency)) - Text( - modifier = Modifier.padding(horizontal = 16.dp), - text = stringResource(id = R.string.withdraw_fees), - ) - Text( - modifier = Modifier.padding(16.dp), - fontSize = 24.sp, - color = colorResource(if (fee.isZero()) R.color.green else R.color.red), - text = if (fee.isZero()) { - fee.toString() - } else { - stringResource(R.string.amount_negative, fee.toString()) - }, - ) - Text( - modifier = Modifier.padding(horizontal = 16.dp), - text = stringResource(id = R.string.send_deposit_amount_effective), - ) - Text( - modifier = Modifier.padding(16.dp), - fontSize = 24.sp, - color = colorResource(R.color.green), - text = effectiveAmount.toString(), - ) - } - } - AnimatedVisibility(visible = state is DepositState.Error) { - Text( - modifier = Modifier.padding(16.dp), - fontSize = 18.sp, - color = colorResource(R.color.red), - text = (state as? DepositState.Error)?.msg ?: "", - ) - } - val focusManager = LocalFocusManager.current - Button( - modifier = Modifier.padding(16.dp), - enabled = iban.isNotBlank(), - onClick = { - focusManager.clearFocus() - onMakeDeposit(amount, name, iban, bic) - }, - ) { - Text(text = stringResource( - if (state.showFees) R.string.send_deposit_create_button - else R.string.send_deposit_check_fees_button - )) - } - } -} - -@Preview -@Composable -fun PreviewMakeDepositComposable() { - Surface { - val state = DepositState.FeesChecked( - effectiveDepositAmount = Amount.fromDouble("TESTKUDOS", 42.00), - ) - MakeDepositComposable( - state = state, - amount = Amount.fromDouble("TESTKUDOS", 42.23)) { _, _, _, _ -> - } - } -} diff --git a/wallet/src/main/java/net/taler/wallet/payment/DepositState.kt b/wallet/src/main/java/net/taler/wallet/payment/DepositState.kt deleted file mode 100644 index 8598911..0000000 --- a/wallet/src/main/java/net/taler/wallet/payment/DepositState.kt +++ /dev/null @@ -1,44 +0,0 @@ -/* - * This file is part of GNU Taler - * (C) 2022 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.payment - -import net.taler.common.Amount - -sealed class DepositState { - - open val showFees: Boolean = false - open val effectiveDepositAmount: Amount? = null - - object Start : DepositState() - object CheckingFees : DepositState() - class FeesChecked( - override val effectiveDepositAmount: Amount, - ) : DepositState() { - override val showFees = true - } - - class MakingDeposit( - override val effectiveDepositAmount: Amount, - ) : DepositState() { - override val showFees = true - } - - object Success : DepositState() - - class Error(val msg: String) : DepositState() - -} diff --git a/wallet/src/main/java/net/taler/wallet/payment/PaymentManager.kt b/wallet/src/main/java/net/taler/wallet/payment/PaymentManager.kt index 0af4262..53cb259 100644 --- a/wallet/src/main/java/net/taler/wallet/payment/PaymentManager.kt +++ b/wallet/src/main/java/net/taler/wallet/payment/PaymentManager.kt @@ -21,14 +21,10 @@ import androidx.annotation.UiThread import androidx.lifecycle.LiveData import androidx.lifecycle.MutableLiveData import kotlinx.coroutines.CoroutineScope -import kotlinx.coroutines.flow.MutableStateFlow -import kotlinx.coroutines.flow.asStateFlow import kotlinx.coroutines.launch -import kotlinx.serialization.Serializable import net.taler.common.Amount import net.taler.common.ContractTerms import net.taler.wallet.TAG -import net.taler.wallet.accounts.PaytoUriIban import net.taler.wallet.backend.TalerErrorInfo import net.taler.wallet.backend.WalletBackendApi import net.taler.wallet.payment.PayStatus.AlreadyPaid @@ -68,9 +64,6 @@ class PaymentManager( private val mPayStatus = MutableLiveData(PayStatus.None) internal val payStatus: LiveData = mPayStatus - private val mDepositState = MutableStateFlow(DepositState.Start) - internal val depositState = mDepositState.asStateFlow() - @UiThread fun preparePay(url: String) = scope.launch { mPayStatus.value = PayStatus.Loading @@ -131,76 +124,4 @@ class PaymentManager( mPayStatus.value = PayStatus.Error(error.userFacingMsg) } - /* Deposits */ - - @UiThread - fun onDepositButtonClicked(amount: Amount, receiverName: String, iban: String, bic: String) { - val paytoUri: String = PaytoUriIban( - iban = iban, - bic = bic, - targetPath = "", - params = mapOf("receiver-name" to receiverName), - ).paytoUri - - if (depositState.value.showFees) { - val effectiveDepositAmount = depositState.value.effectiveDepositAmount - ?: Amount.zero(amount.currency) - makeDeposit(paytoUri, amount, effectiveDepositAmount) - } else { - prepareDeposit(paytoUri, amount) - } - } - - private fun prepareDeposit(paytoUri: String, amount: Amount) { - mDepositState.value = DepositState.CheckingFees - scope.launch { - api.request("prepareDeposit", PrepareDepositResponse.serializer()) { - put("depositPaytoUri", paytoUri) - put("amount", amount.toJSONString()) - }.onError { - Log.e(TAG, "Error prepareDeposit $it") - mDepositState.value = DepositState.Error(it.userFacingMsg) - }.onSuccess { - mDepositState.value = DepositState.FeesChecked( - effectiveDepositAmount = it.effectiveDepositAmount, - ) - } - } - } - - private fun makeDeposit( - paytoUri: String, - amount: Amount, - effectiveDepositAmount: Amount, - ) { - mDepositState.value = DepositState.MakingDeposit(effectiveDepositAmount) - scope.launch { - api.request("createDepositGroup", CreateDepositGroupResponse.serializer()) { - put("depositPaytoUri", paytoUri) - put("amount", amount.toJSONString()) - }.onError { - Log.e(TAG, "Error createDepositGroup $it") - mDepositState.value = DepositState.Error(it.userFacingMsg) - }.onSuccess { - mDepositState.value = DepositState.Success - } - } - } - - @UiThread - fun resetDepositState() { - mDepositState.value = DepositState.Start - } } - -@Serializable -data class PrepareDepositResponse( - val totalDepositCost: Amount, - val effectiveDepositAmount: Amount, -) - -@Serializable -data class CreateDepositGroupResponse( - val depositGroupId: String, - val transactionId: String, -) -- cgit v1.2.3