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-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/ExpirationComposable.kt128
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/IncomingComposable.kt270
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/IncomingPullPaymentFragment.kt73
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/IncomingPushPaymentFragment.kt73
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/IncomingState.kt60
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/OutgoingPullComposable.kt280
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/OutgoingPullFragment.kt107
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/OutgoingPushComposable.kt218
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/OutgoingPushFragment.kt122
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/OutgoingState.kt63
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/PeerManager.kt217
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPullCredit.kt105
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPullDebit.kt90
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPushCredit.kt90
-rw-r--r--wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPushDebit.kt152
15 files changed, 2048 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/peer/ExpirationComposable.kt b/wallet/src/main/java/net/taler/wallet/peer/ExpirationComposable.kt
new file mode 100644
index 0000000..4393e47
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/ExpirationComposable.kt
@@ -0,0 +1,128 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2023 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.wallet.peer
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import net.taler.wallet.R
+import net.taler.wallet.compose.NumericInputField
+import net.taler.wallet.compose.SelectionChip
+import net.taler.wallet.compose.TalerSurface
+
+enum class ExpirationOption(val hours: Long) {
+ DAYS_1(24),
+ DAYS_7(24 * 7),
+ DAYS_30(24 * 30),
+ CUSTOM(-1)
+}
+
+@Composable
+fun ExpirationComposable(
+ modifier: Modifier = Modifier,
+ option: ExpirationOption,
+ hours: Long,
+ onOptionChange: (ExpirationOption) -> Unit,
+ onHoursChange: (Long) -> Unit,
+) {
+ val options = listOf(
+ ExpirationOption.DAYS_1 to stringResource(R.string.send_peer_expiration_1d),
+ ExpirationOption.DAYS_7 to stringResource(R.string.send_peer_expiration_7d),
+ ExpirationOption.DAYS_30 to stringResource(R.string.send_peer_expiration_30d),
+ ExpirationOption.CUSTOM to stringResource(R.string.send_peer_expiration_custom),
+ )
+ Column(
+ modifier = modifier,
+ ) {
+ LazyRow(
+ modifier = Modifier.fillMaxWidth(),
+ horizontalArrangement = Arrangement.SpaceBetween,
+ ) {
+ items(items = options, key = { it.first }) {
+ SelectionChip(
+ label = { Text(it.second) },
+ modifier = Modifier.padding(horizontal = 4.dp),
+ selected = it.first == option,
+ value = it.first,
+ onSelected = { o ->
+ onOptionChange(o)
+ if (o != ExpirationOption.CUSTOM) {
+ onHoursChange(o.hours)
+ }
+ },
+ )
+ }
+ }
+
+ if (option == ExpirationOption.CUSTOM) {
+ val d = hours / 24L
+ val h = hours - d * 24L
+ Row(
+ modifier = Modifier.fillMaxWidth(),
+ ) {
+ NumericInputField(
+ modifier = Modifier
+ .fillMaxWidth()
+ .weight(1f)
+ .padding(end = 4.dp),
+ value = d,
+ onValueChange = {
+ onHoursChange(it * 24 + h)
+ },
+ label = { Text(stringResource(R.string.send_peer_expiration_days)) },
+ maxValue = 365,
+ )
+ NumericInputField(
+ modifier = Modifier
+ .fillMaxWidth()
+ .weight(1f)
+ .padding(start = 4.dp),
+ value = h,
+ onValueChange = {
+ onHoursChange(d * 24 + it)
+ },
+ label = { Text(stringResource(R.string.send_peer_expiration_hours)) },
+ maxValue = 23,
+ )
+ }
+ }
+ }
+}
+
+@Preview
+@Composable
+fun ExpirationComposablePreview() {
+ TalerSurface {
+ var option = ExpirationOption.CUSTOM
+ var hours = 25L
+ ExpirationComposable(
+ option = option,
+ hours = hours,
+ onOptionChange = { option = it }
+ ) { hours = it }
+ }
+} \ No newline at end of file
diff --git a/wallet/src/main/java/net/taler/wallet/peer/IncomingComposable.kt b/wallet/src/main/java/net/taler/wallet/peer/IncomingComposable.kt
new file mode 100644
index 0000000..1ce0175
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/IncomingComposable.kt
@@ -0,0 +1,270 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import android.annotation.SuppressLint
+import androidx.annotation.StringRes
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+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.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.ui.Alignment.Companion.CenterHorizontally
+import androidx.compose.ui.Alignment.Companion.End
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.colorResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import net.taler.common.Amount
+import net.taler.wallet.R
+import net.taler.wallet.backend.TalerErrorCode.WALLET_PEER_PULL_PAYMENT_INSUFFICIENT_BALANCE
+import net.taler.wallet.backend.TalerErrorCode.WALLET_PEER_PUSH_PAYMENT_INSUFFICIENT_BALANCE
+import net.taler.wallet.backend.TalerErrorCode.WALLET_WITHDRAWAL_KYC_REQUIRED
+import net.taler.wallet.backend.TalerErrorInfo
+
+data class IncomingData(
+ val isCredit: Boolean,
+ @StringRes val intro: Int,
+ @StringRes val button: Int,
+)
+
+val incomingPush = IncomingData(
+ isCredit = true,
+ intro = R.string.receive_peer_payment_intro,
+ button = R.string.receive_peer_payment_title,
+)
+
+val incomingPull = IncomingData(
+ isCredit = false,
+ intro = R.string.pay_peer_intro,
+ button = R.string.payment_button_confirm,
+)
+
+@Composable
+fun IncomingComposable(
+ state: State<IncomingState>,
+ data: IncomingData,
+ onAccept: (IncomingTerms) -> Unit,
+) {
+ val scrollState = rememberScrollState()
+ Column(
+ modifier = Modifier
+ .fillMaxSize()
+ .verticalScroll(scrollState),
+ ) {
+ Text(
+ modifier = Modifier
+ .padding(16.dp)
+ .align(CenterHorizontally),
+ text = stringResource(id = data.intro),
+ )
+ when (val s = state.value) {
+ IncomingChecking -> PeerPullCheckingComposable()
+ is IncomingAccepting -> PeerPullTermsComposable(s, onAccept, data)
+ is IncomingTerms -> PeerPullTermsComposable(s, onAccept, data)
+ is IncomingError -> PeerPullErrorComposable(s)
+ IncomingAccepted -> {
+ // we navigate away, don't show anything
+ }
+ }
+ }
+}
+
+@Composable
+fun ColumnScope.PeerPullCheckingComposable() {
+ CircularProgressIndicator(
+ modifier = Modifier
+ .align(CenterHorizontally)
+ .fillMaxSize(0.75f),
+ )
+}
+
+@Composable
+fun ColumnScope.PeerPullTermsComposable(
+ terms: IncomingTerms,
+ onAccept: (IncomingTerms) -> Unit,
+ data: IncomingData,
+) {
+ Text(
+ modifier = Modifier
+ .padding(16.dp)
+ .align(CenterHorizontally),
+ text = terms.contractTerms.summary,
+ style = MaterialTheme.typography.headlineSmall,
+ )
+ Spacer(modifier = Modifier.weight(1f))
+ Card(modifier = Modifier.fillMaxWidth()) {
+ Column(
+ modifier = Modifier
+ .padding(8.dp)
+ .fillMaxWidth()
+ ) {
+ Row(
+ modifier = Modifier.align(End),
+ ) {
+ Text(
+ text = stringResource(id = R.string.payment_label_amount_total),
+ style = MaterialTheme.typography.bodyLarge,
+ )
+ Text(
+ modifier = Modifier.padding(start = 8.dp),
+ text = terms.contractTerms.amount.toString(),
+ style = MaterialTheme.typography.bodyLarge,
+ fontWeight = FontWeight.Bold,
+ )
+ }
+ // this gets used for credit and debit, so fee calculation differs
+ val fee = if (data.isCredit) {
+ terms.amountRaw - terms.amountEffective
+ } else {
+ terms.amountEffective - terms.amountRaw
+ }
+ val feeStr = if (data.isCredit) {
+ stringResource(R.string.amount_negative, fee)
+ } else {
+ stringResource(R.string.amount_positive, fee)
+ }
+ if (!fee.isZero()) Text(
+ modifier = Modifier.align(End),
+ text = feeStr,
+ style = MaterialTheme.typography.bodyLarge,
+ color = MaterialTheme.colorScheme.error,
+ )
+ if (terms is IncomingAccepting) {
+ CircularProgressIndicator(
+ modifier = Modifier
+ .padding(end = 64.dp)
+ .align(End),
+ )
+ } else {
+ Button(
+ modifier = Modifier
+ .align(End)
+ .padding(top = 8.dp),
+ colors = ButtonDefaults.buttonColors(
+ containerColor = colorResource(R.color.green),
+ contentColor = Color.White,
+ ),
+ onClick = { onAccept(terms) },
+ ) {
+ Text(
+ text = stringResource(id = data.button),
+ )
+ }
+ }
+ }
+ }
+}
+
+@Composable
+fun ColumnScope.PeerPullErrorComposable(s: IncomingError) {
+ val message = when (s.info.code) {
+ WALLET_PEER_PULL_PAYMENT_INSUFFICIENT_BALANCE -> stringResource(R.string.payment_balance_insufficient)
+ WALLET_PEER_PUSH_PAYMENT_INSUFFICIENT_BALANCE -> stringResource(R.string.payment_balance_insufficient)
+ else -> s.info.userFacingMsg
+ }
+
+ Text(
+ modifier = Modifier
+ .align(CenterHorizontally)
+ .padding(horizontal = 32.dp),
+ text = message,
+ style = MaterialTheme.typography.headlineSmall,
+ color = MaterialTheme.colorScheme.error,
+ )
+}
+
+@Preview
+@Composable
+fun PeerPullCheckingPreview() {
+ Surface {
+ @SuppressLint("UnrememberedMutableState")
+ val s = mutableStateOf(IncomingChecking)
+ IncomingComposable(s, incomingPush) {}
+ }
+}
+
+@Preview
+@Composable
+fun PeerPullTermsPreview() {
+ Surface {
+ val terms = IncomingTerms(
+ amountRaw = Amount.fromString("TESTKUDOS", "42.23"),
+ amountEffective = Amount.fromString("TESTKUDOS", "42.423"),
+ contractTerms = PeerContractTerms(
+ summary = "This is a long test summary that can be more than one line long for sure",
+ amount = Amount.fromString("TESTKUDOS", "23.42"),
+ ),
+ id = "ID123",
+ )
+
+ @SuppressLint("UnrememberedMutableState")
+ val s = mutableStateOf(terms)
+ IncomingComposable(s, incomingPush) {}
+ }
+}
+
+@Preview
+@Composable
+fun PeerPullAcceptingPreview() {
+ Surface {
+ val terms = IncomingTerms(
+ amountRaw = Amount.fromString("TESTKUDOS", "42.23"),
+ amountEffective = Amount.fromString("TESTKUDOS", "42.123"),
+ contractTerms = PeerContractTerms(
+ summary = "This is a long test summary that can be more than one line long for sure",
+ amount = Amount.fromString("TESTKUDOS", "23.42"),
+ ),
+ id = "ID123",
+ )
+
+ @SuppressLint("UnrememberedMutableState")
+ val s = mutableStateOf(IncomingAccepting(terms))
+ IncomingComposable(s, incomingPush) {}
+ }
+}
+
+@Preview
+@Composable
+fun PeerPullPayErrorPreview() {
+ Surface {
+ @SuppressLint("UnrememberedMutableState")
+ val s = mutableStateOf(
+ IncomingError(
+ info = TalerErrorInfo(WALLET_WITHDRAWAL_KYC_REQUIRED, "hint", "msg"),
+ )
+ )
+ IncomingComposable(s, incomingPush) {}
+ }
+}
diff --git a/wallet/src/main/java/net/taler/wallet/peer/IncomingPullPaymentFragment.kt b/wallet/src/main/java/net/taler/wallet/peer/IncomingPullPaymentFragment.kt
new file mode 100644
index 0000000..df71c72
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/IncomingPullPaymentFragment.kt
@@ -0,0 +1,73 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.compose.ui.platform.ComposeView
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.lifecycleScope
+import androidx.navigation.fragment.findNavController
+import net.taler.common.showError
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+import net.taler.wallet.compose.TalerSurface
+import net.taler.wallet.compose.collectAsStateLifecycleAware
+import net.taler.wallet.showError
+
+class IncomingPullPaymentFragment : Fragment() {
+ private val model: MainViewModel by activityViewModels()
+ private val peerManager get() = model.peerManager
+
+ override fun onCreateView(
+ inflater: LayoutInflater,
+ container: ViewGroup?,
+ savedInstanceState: Bundle?,
+ ): View {
+ lifecycleScope.launchWhenResumed {
+ peerManager.incomingPullState.collect {
+ if (it is IncomingAccepted) {
+ findNavController().navigate(R.id.action_promptPullPayment_to_nav_main)
+ } else if (it is IncomingError) {
+ if (model.devMode.value == true) {
+ showError(it.info)
+ } else {
+ showError(it.info.userFacingMsg)
+ }
+ }
+ }
+ }
+ return ComposeView(requireContext()).apply {
+ setContent {
+ TalerSurface {
+ val state = peerManager.incomingPullState.collectAsStateLifecycleAware()
+ IncomingComposable(state, incomingPull) { terms ->
+ peerManager.confirmPeerPullDebit(terms)
+ }
+ }
+ }
+ }
+ }
+
+ override fun onStart() {
+ super.onStart()
+ activity?.setTitle(R.string.pay_peer_title)
+ }
+}
diff --git a/wallet/src/main/java/net/taler/wallet/peer/IncomingPushPaymentFragment.kt b/wallet/src/main/java/net/taler/wallet/peer/IncomingPushPaymentFragment.kt
new file mode 100644
index 0000000..ced2b82
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/IncomingPushPaymentFragment.kt
@@ -0,0 +1,73 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.compose.ui.platform.ComposeView
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.lifecycleScope
+import androidx.navigation.fragment.findNavController
+import net.taler.common.showError
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+import net.taler.wallet.compose.TalerSurface
+import net.taler.wallet.compose.collectAsStateLifecycleAware
+import net.taler.wallet.showError
+
+class IncomingPushPaymentFragment : Fragment() {
+ private val model: MainViewModel by activityViewModels()
+ private val peerManager get() = model.peerManager
+
+ override fun onCreateView(
+ inflater: LayoutInflater,
+ container: ViewGroup?,
+ savedInstanceState: Bundle?,
+ ): View {
+ lifecycleScope.launchWhenResumed {
+ peerManager.incomingPushState.collect {
+ if (it is IncomingAccepted) {
+ findNavController().navigate(R.id.action_promptPushPayment_to_nav_main)
+ } else if (it is IncomingError) {
+ if (model.devMode.value == true) {
+ showError(it.info)
+ } else {
+ showError(it.info.userFacingMsg)
+ }
+ }
+ }
+ }
+ return ComposeView(requireContext()).apply {
+ setContent {
+ TalerSurface {
+ val state = peerManager.incomingPushState.collectAsStateLifecycleAware()
+ IncomingComposable(state, incomingPush) { terms ->
+ peerManager.confirmPeerPushCredit(terms)
+ }
+ }
+ }
+ }
+ }
+
+ override fun onStart() {
+ super.onStart()
+ activity?.setTitle(R.string.receive_peer_payment_title)
+ }
+}
diff --git a/wallet/src/main/java/net/taler/wallet/peer/IncomingState.kt b/wallet/src/main/java/net/taler/wallet/peer/IncomingState.kt
new file mode 100644
index 0000000..cd5b5dd
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/IncomingState.kt
@@ -0,0 +1,60 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import kotlinx.serialization.Serializable
+import net.taler.common.Amount
+import net.taler.wallet.backend.TalerErrorInfo
+
+sealed class IncomingState
+object IncomingChecking : IncomingState()
+open class IncomingTerms(
+ val amountRaw: Amount,
+ val amountEffective: Amount,
+ val contractTerms: PeerContractTerms,
+ val id: String,
+) : IncomingState()
+
+class IncomingAccepting(s: IncomingTerms) :
+ IncomingTerms(s.amountRaw, s.amountEffective, s.contractTerms, s.id)
+
+object IncomingAccepted : IncomingState()
+data class IncomingError(
+ val info: TalerErrorInfo,
+) : IncomingState()
+
+@Serializable
+data class PeerContractTerms(
+ val summary: String,
+ val amount: Amount,
+)
+
+@Serializable
+data class PreparePeerPullDebitResponse(
+ val contractTerms: PeerContractTerms,
+ val amountRaw: Amount,
+ val amountEffective: Amount,
+ val transactionId: String,
+)
+
+@Serializable
+data class PreparePeerPushCreditResponse(
+ val contractTerms: PeerContractTerms,
+ val amountRaw: Amount,
+ val amountEffective: Amount,
+ val transactionId: String,
+)
diff --git a/wallet/src/main/java/net/taler/wallet/peer/OutgoingPullComposable.kt b/wallet/src/main/java/net/taler/wallet/peer/OutgoingPullComposable.kt
new file mode 100644
index 0000000..90b520e
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/OutgoingPullComposable.kt
@@ -0,0 +1,280 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+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.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.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.Companion.Center
+import androidx.compose.ui.Alignment.Companion.CenterHorizontally
+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.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import kotlinx.serialization.json.JsonPrimitive
+import net.taler.common.Amount
+import net.taler.wallet.R
+import net.taler.wallet.backend.TalerErrorCode
+import net.taler.wallet.backend.TalerErrorInfo
+import net.taler.wallet.cleanExchange
+import net.taler.wallet.compose.TalerSurface
+import net.taler.wallet.exchanges.ExchangeItem
+import net.taler.wallet.transactions.AmountType
+import net.taler.wallet.transactions.TransactionAmountComposable
+import net.taler.wallet.transactions.TransactionInfoComposable
+import kotlin.random.Random
+
+@Composable
+fun OutgoingPullComposable(
+ amount: Amount,
+ state: OutgoingState,
+ onCreateInvoice: (amount: Amount, subject: String, hours: Long, exchange: ExchangeItem) -> Unit,
+ onClose: () -> Unit,
+) {
+ when(state) {
+ is OutgoingChecking, is OutgoingCreating, is OutgoingResponse -> PeerCreatingComposable()
+ is OutgoingIntro, is OutgoingChecked -> OutgoingPullIntroComposable(
+ amount = amount,
+ state = state,
+ onCreateInvoice = onCreateInvoice,
+ )
+ is OutgoingError -> PeerErrorComposable(state, onClose)
+ }
+}
+
+@Composable
+fun PeerCreatingComposable() {
+ Box(
+ modifier = Modifier
+ .fillMaxSize(),
+ ) {
+ CircularProgressIndicator(
+ modifier = Modifier
+ .padding(32.dp)
+ .align(Center),
+ )
+ }
+}
+
+@Composable
+fun OutgoingPullIntroComposable(
+ amount: Amount,
+ state: OutgoingState,
+ onCreateInvoice: (amount: Amount, subject: String, hours: Long, exchange: ExchangeItem) -> Unit,
+) {
+ val scrollState = rememberScrollState()
+ Column(
+ modifier = Modifier
+ .fillMaxWidth()
+ .padding(16.dp)
+ .verticalScroll(scrollState),
+ horizontalAlignment = CenterHorizontally,
+ ) {
+ var subject by rememberSaveable { mutableStateOf("") }
+ val focusRequester = remember { FocusRequester() }
+
+ OutlinedTextField(
+ modifier = Modifier
+ .fillMaxWidth()
+ .focusRequester(focusRequester),
+ singleLine = true,
+ value = subject,
+ onValueChange = { input ->
+ if (input.length <= MAX_LENGTH_SUBJECT)
+ subject = input.replace('\n', ' ')
+ },
+ isError = subject.isBlank(),
+ label = {
+ Text(
+ stringResource(R.string.send_peer_purpose),
+ color = if (subject.isBlank()) {
+ MaterialTheme.colorScheme.error
+ } else Color.Unspecified,
+ )
+ }
+ )
+
+ LaunchedEffect(Unit) {
+ focusRequester.requestFocus()
+ }
+
+ Text(
+ modifier = Modifier
+ .fillMaxWidth()
+ .padding(top = 5.dp),
+ color = if (subject.isBlank()) MaterialTheme.colorScheme.error else Color.Unspecified,
+ text = stringResource(R.string.char_count, subject.length, MAX_LENGTH_SUBJECT),
+ textAlign = TextAlign.End,
+ )
+
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.amount_chosen),
+ amount = amount,
+ amountType = AmountType.Positive,
+ )
+
+ if (state is OutgoingChecked) {
+ val fee = state.amountRaw - state.amountEffective
+ if (!fee.isZero()) TransactionAmountComposable(
+ label = stringResource(id = R.string.withdraw_fees),
+ amount = fee.withSpec(amount.spec),
+ amountType = AmountType.Negative,
+ )
+ }
+
+ val exchangeItem = (state as? OutgoingChecked)?.exchangeItem
+ TransactionInfoComposable(
+ label = stringResource(id = R.string.withdraw_exchange),
+ info = if (exchangeItem == null) "" else cleanExchange(exchangeItem.exchangeBaseUrl),
+ )
+
+ Text(
+ modifier = Modifier.padding(top = 16.dp, start = 16.dp, end = 16.dp),
+ text = stringResource(R.string.send_peer_expiration_period),
+ style = MaterialTheme.typography.bodyMedium,
+ )
+
+ var option by rememberSaveable { mutableStateOf(DEFAULT_EXPIRY) }
+ var hours by rememberSaveable { mutableStateOf(DEFAULT_EXPIRY.hours) }
+ ExpirationComposable(
+ modifier = Modifier.padding(top = 8.dp, bottom = 16.dp),
+ option = option,
+ hours = hours,
+ onOptionChange = { option = it }
+ ) { hours = it }
+
+ Button(
+ modifier = Modifier.padding(16.dp),
+ enabled = subject.isNotBlank() && state is OutgoingChecked,
+ onClick = {
+ onCreateInvoice(
+ amount,
+ subject,
+ hours,
+ exchangeItem ?: error("clickable without exchange")
+ )
+ },
+ ) {
+ Text(text = stringResource(R.string.receive_peer_create_button))
+ }
+ }
+}
+
+@Composable
+fun PeerErrorComposable(state: OutgoingError, onClose: () -> Unit) {
+ Column(
+ modifier = Modifier
+ .padding(16.dp)
+ .fillMaxWidth(),
+ horizontalAlignment = CenterHorizontally,
+ ) {
+ Text(
+ color = MaterialTheme.colorScheme.error,
+ style = MaterialTheme.typography.bodyLarge,
+ text = state.info.userFacingMsg,
+ )
+
+ Button(
+ modifier = Modifier.padding(16.dp),
+ onClick = onClose,
+ colors = ButtonDefaults.buttonColors(
+ containerColor = MaterialTheme.colorScheme.error,
+ contentColor = MaterialTheme.colorScheme.onError,
+ ),
+ ) {
+ Text(text = stringResource(R.string.close))
+ }
+ }
+}
+
+@Preview
+@Composable
+fun PeerPullComposableCreatingPreview() {
+ TalerSurface {
+ OutgoingPullComposable(
+ amount = Amount.fromString("TESTKUDOS", "42.23"),
+ state = OutgoingCreating,
+ onCreateInvoice = { _, _, _, _ -> },
+ onClose = {},
+ )
+ }
+}
+
+@Preview
+@Composable
+fun PeerPullComposableCheckingPreview() {
+ TalerSurface {
+ OutgoingPullComposable(
+ amount = Amount.fromString("TESTKUDOS", "42.23"),
+ state = if (Random.nextBoolean()) OutgoingIntro else OutgoingChecking,
+ onCreateInvoice = { _, _, _, _ -> },
+ onClose = {},
+ )
+ }
+}
+
+@Preview
+@Composable
+fun PeerPullComposableCheckedPreview() {
+ TalerSurface {
+ val amountRaw = Amount.fromString("TESTKUDOS", "42.42")
+ val amountEffective = Amount.fromString("TESTKUDOS", "42.23")
+ val exchangeItem = ExchangeItem("https://example.org", "TESTKUDOS", emptyList())
+ OutgoingPullComposable(
+ amount = Amount.fromString("TESTKUDOS", "42.23"),
+ state = OutgoingChecked(amountRaw, amountEffective, exchangeItem),
+ onCreateInvoice = { _, _, _, _ -> },
+ onClose = {},
+ )
+ }
+}
+
+@Preview
+@Composable
+fun PeerPullComposableErrorPreview() {
+ TalerSurface {
+ val json = mapOf("foo" to JsonPrimitive("bar"))
+ val state = OutgoingError(TalerErrorInfo(TalerErrorCode.WALLET_WITHDRAWAL_KYC_REQUIRED, "hint", "message", json))
+ OutgoingPullComposable(
+ amount = Amount.fromString("TESTKUDOS", "42.23"),
+ state = state,
+ onCreateInvoice = { _, _, _, _ -> },
+ onClose = {},
+ )
+ }
+} \ No newline at end of file
diff --git a/wallet/src/main/java/net/taler/wallet/peer/OutgoingPullFragment.kt b/wallet/src/main/java/net/taler/wallet/peer/OutgoingPullFragment.kt
new file mode 100644
index 0000000..8f2fb96
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/OutgoingPullFragment.kt
@@ -0,0 +1,107 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.compose.ui.platform.ComposeView
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import androidx.navigation.fragment.findNavController
+import kotlinx.coroutines.launch
+import net.taler.common.Amount
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+import net.taler.wallet.compose.TalerSurface
+import net.taler.wallet.compose.collectAsStateLifecycleAware
+import net.taler.wallet.exchanges.ExchangeItem
+import net.taler.wallet.showError
+
+class OutgoingPullFragment : Fragment() {
+ private val model: MainViewModel by activityViewModels()
+ private val peerManager get() = model.peerManager
+ private val transactionManager get() = model.transactionManager
+ private val balanceManager get() = model.balanceManager
+
+ override fun onCreateView(
+ inflater: LayoutInflater,
+ container: ViewGroup?,
+ savedInstanceState: Bundle?,
+ ): View {
+ val amount = arguments?.getString("amount")?.let {
+ Amount.fromJSONString(it)
+ } ?: error("no amount passed")
+ val scopeInfo = transactionManager.selectedScope
+ val spec = scopeInfo?.let { balanceManager.getSpecForScopeInfo(it) }
+
+ return ComposeView(requireContext()).apply {
+ setContent {
+ TalerSurface {
+ val state = peerManager.pullState.collectAsStateLifecycleAware().value
+ OutgoingPullComposable(
+ amount = amount.withSpec(spec),
+ state = state,
+ onCreateInvoice = this@OutgoingPullFragment::onCreateInvoice,
+ onClose = {
+ findNavController().navigate(R.id.action_nav_peer_pull_to_nav_main)
+ }
+ )
+ }
+ }
+ }
+ }
+
+ override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+ super.onViewCreated(view, savedInstanceState)
+ lifecycleScope.launch {
+ viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.RESUMED) {
+ peerManager.pullState.collect {
+ if (it is OutgoingResponse) {
+ if (transactionManager.selectTransaction(it.transactionId)) {
+ findNavController().navigate(R.id.action_nav_peer_pull_to_nav_transactions_detail_peer)
+ } else {
+ findNavController().navigate(R.id.action_nav_peer_pull_to_nav_main)
+ }
+ }
+
+ if (it is OutgoingError && model.devMode.value == true) {
+ showError(it.info)
+ }
+ }
+ }
+ }
+ }
+
+ override fun onStart() {
+ super.onStart()
+ activity?.setTitle(R.string.receive_peer_title)
+ }
+
+ override fun onDestroy() {
+ super.onDestroy()
+ if (!requireActivity().isChangingConfigurations) peerManager.resetPullPayment()
+ }
+
+ private fun onCreateInvoice(amount: Amount, summary: String, hours: Long, exchange: ExchangeItem) {
+ peerManager.initiatePeerPullCredit(amount, summary, hours, exchange)
+ }
+}
diff --git a/wallet/src/main/java/net/taler/wallet/peer/OutgoingPushComposable.kt b/wallet/src/main/java/net/taler/wallet/peer/OutgoingPushComposable.kt
new file mode 100644
index 0000000..d39fdc8
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/OutgoingPushComposable.kt
@@ -0,0 +1,218 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+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.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableLongStateOf
+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.Companion.CenterHorizontally
+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.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import kotlinx.serialization.json.JsonPrimitive
+import net.taler.common.Amount
+import net.taler.wallet.R
+import net.taler.wallet.backend.TalerErrorCode
+import net.taler.wallet.backend.TalerErrorInfo
+import net.taler.wallet.compose.TalerSurface
+import kotlin.random.Random
+
+@Composable
+fun OutgoingPushComposable(
+ state: OutgoingState,
+ amount: Amount,
+ onSend: (amount: Amount, summary: String, hours: Long) -> Unit,
+ onClose: () -> Unit,
+) {
+ when(state) {
+ is OutgoingChecking, is OutgoingCreating, is OutgoingResponse -> PeerCreatingComposable()
+ is OutgoingIntro, is OutgoingChecked -> OutgoingPushIntroComposable(
+ amount = amount,
+ state = state,
+ onSend = onSend,
+ )
+ is OutgoingError -> PeerErrorComposable(state, onClose)
+ }
+}
+
+@Composable
+fun OutgoingPushIntroComposable(
+ state: OutgoingState,
+ amount: Amount,
+ onSend: (amount: Amount, summary: String, hours: Long) -> Unit,
+) {
+ val scrollState = rememberScrollState()
+ Column(
+ modifier = Modifier
+ .fillMaxWidth()
+ .padding(16.dp)
+ .verticalScroll(scrollState),
+ horizontalAlignment = CenterHorizontally,
+ ) {
+ Text(
+ modifier = Modifier.padding(vertical = 16.dp),
+ text = amount.toString(),
+ softWrap = false,
+ style = MaterialTheme.typography.titleLarge,
+ )
+
+ if (state is OutgoingChecked) {
+ val fee = state.amountEffective - state.amountRaw
+ Text(
+ modifier = Modifier.padding(vertical = 16.dp),
+ text = stringResource(id = R.string.payment_fee, fee.withSpec(amount.spec)),
+ softWrap = false,
+ color = MaterialTheme.colorScheme.error,
+ )
+ }
+
+ var subject by rememberSaveable { mutableStateOf("") }
+ val focusRequester = remember { FocusRequester() }
+ OutlinedTextField(
+ modifier = Modifier
+ .fillMaxWidth()
+ .focusRequester(focusRequester),
+ singleLine = true,
+ value = subject,
+ onValueChange = { input ->
+ if (input.length <= MAX_LENGTH_SUBJECT)
+ subject = input.replace('\n', ' ')
+ },
+ isError = subject.isBlank(),
+ label = {
+ Text(
+ stringResource(R.string.send_peer_purpose),
+ color = if (subject.isBlank()) {
+ MaterialTheme.colorScheme.error
+ } else Color.Unspecified,
+ )
+ }
+ )
+
+ LaunchedEffect(Unit) {
+ focusRequester.requestFocus()
+ }
+
+ Text(
+ modifier = Modifier
+ .fillMaxWidth()
+ .padding(top = 5.dp),
+ color = if (subject.isBlank()) MaterialTheme.colorScheme.error else Color.Unspecified,
+ text = stringResource(R.string.char_count, subject.length, MAX_LENGTH_SUBJECT),
+ textAlign = TextAlign.End,
+ )
+
+ Text(
+ modifier = Modifier.padding(top = 16.dp, start = 16.dp, end = 16.dp),
+ text = stringResource(R.string.send_peer_expiration_period),
+ style = MaterialTheme.typography.bodyMedium,
+ )
+
+ var option by rememberSaveable { mutableStateOf(DEFAULT_EXPIRY) }
+ var hours by rememberSaveable { mutableLongStateOf(DEFAULT_EXPIRY.hours) }
+ ExpirationComposable(
+ modifier = Modifier.padding(top = 8.dp, bottom = 16.dp),
+ option = option,
+ hours = hours,
+ onOptionChange = { option = it }
+ ) { hours = it }
+
+ Button(
+ enabled = state is OutgoingChecked && subject.isNotBlank(),
+ onClick = { onSend(amount, subject, hours) },
+ ) {
+ Text(text = stringResource(R.string.send_peer_create_button))
+ }
+ }
+}
+
+@Preview
+@Composable
+fun PeerPushComposableCreatingPreview() {
+ TalerSurface {
+ OutgoingPushComposable(
+ amount = Amount.fromString("TESTKUDOS", "42.23"),
+ state = OutgoingCreating,
+ onSend = { _, _, _ -> },
+ onClose = {},
+ )
+ }
+}
+
+@Preview
+@Composable
+fun PeerPushComposableCheckingPreview() {
+ TalerSurface {
+ val state = if (Random.nextBoolean()) OutgoingIntro else OutgoingChecking
+ OutgoingPushComposable(
+ state = state,
+ amount = Amount.fromString("TESTKUDOS", "42.23"),
+ onSend = { _, _, _ -> },
+ onClose = {},
+ )
+ }
+}
+
+@Preview
+@Composable
+fun PeerPushComposableCheckedPreview() {
+ TalerSurface {
+ val amountEffective = Amount.fromString("TESTKUDOS", "42.42")
+ val amountRaw = Amount.fromString("TESTKUDOS", "42.23")
+ val state = OutgoingChecked(amountRaw, amountEffective)
+ OutgoingPushComposable(
+ state = state,
+ amount = amountEffective,
+ onSend = { _, _, _ -> },
+ onClose = {},
+ )
+ }
+}
+
+@Preview
+@Composable
+fun PeerPushComposableErrorPreview() {
+ TalerSurface {
+ val json = mapOf("foo" to JsonPrimitive("bar"))
+ val state = OutgoingError(TalerErrorInfo(TalerErrorCode.WALLET_WITHDRAWAL_KYC_REQUIRED, "hint", "message", json))
+ OutgoingPushComposable(
+ amount = Amount.fromString("TESTKUDOS", "42.23"),
+ state = state,
+ onSend = { _, _, _ -> },
+ onClose = {},
+ )
+ }
+} \ No newline at end of file
diff --git a/wallet/src/main/java/net/taler/wallet/peer/OutgoingPushFragment.kt b/wallet/src/main/java/net/taler/wallet/peer/OutgoingPushFragment.kt
new file mode 100644
index 0000000..01fb566
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/OutgoingPushFragment.kt
@@ -0,0 +1,122 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.activity.OnBackPressedCallback
+import androidx.compose.ui.platform.ComposeView
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import androidx.navigation.findNavController
+import androidx.navigation.fragment.findNavController
+import kotlinx.coroutines.launch
+import net.taler.common.Amount
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+import net.taler.wallet.compose.TalerSurface
+import net.taler.wallet.compose.collectAsStateLifecycleAware
+import net.taler.wallet.showError
+
+class OutgoingPushFragment : Fragment() {
+ private val model: MainViewModel by activityViewModels()
+ private val peerManager get() = model.peerManager
+ private val transactionManager get() = model.transactionManager
+ private val balanceManager get() = model.balanceManager
+
+ // hacky way to change back action until we have navigation for compose
+ private val backPressedCallback = object : OnBackPressedCallback(false) {
+ override fun handleOnBackPressed() {
+ findNavController().navigate(R.id.action_nav_peer_push_to_nav_main)
+ }
+ }
+
+ override fun onCreateView(
+ inflater: LayoutInflater,
+ container: ViewGroup?,
+ savedInstanceState: Bundle?,
+ ): View {
+ val amount = arguments?.getString("amount")?.let {
+ Amount.fromJSONString(it)
+ } ?: error("no amount passed")
+ val scopeInfo = transactionManager.selectedScope
+ val spec = scopeInfo?.let { balanceManager.getSpecForScopeInfo(it) }
+
+ requireActivity().onBackPressedDispatcher.addCallback(
+ viewLifecycleOwner, backPressedCallback
+ )
+
+ return ComposeView(requireContext()).apply {
+ setContent {
+ TalerSurface {
+ val state = peerManager.pushState.collectAsStateLifecycleAware().value
+ OutgoingPushComposable(
+ amount = amount.withSpec(spec),
+ state = state,
+ onSend = this@OutgoingPushFragment::onSend,
+ onClose = {
+ findNavController().navigate(R.id.action_nav_peer_pull_to_nav_main)
+ }
+ )
+ }
+ }
+ }
+ }
+
+ override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+ super.onViewCreated(view, savedInstanceState)
+ lifecycleScope.launch {
+ viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.RESUMED) {
+ peerManager.pushState.collect {
+ if (it is OutgoingResponse) {
+ if (transactionManager.selectTransaction(it.transactionId)) {
+ findNavController().navigate(R.id.action_nav_peer_push_to_nav_transactions_detail_peer)
+ } else {
+ findNavController().navigate(R.id.action_nav_peer_push_to_nav_main)
+ }
+ }
+
+ if (it is OutgoingError && model.devMode.value == true) {
+ showError(it.info)
+ }
+
+ // Disable back navigation when tx is being created
+ backPressedCallback.isEnabled = it !is OutgoingCreating
+ }
+ }
+ }
+ }
+
+ override fun onStart() {
+ super.onStart()
+ activity?.setTitle(R.string.send_peer_title)
+ }
+
+ override fun onDestroy() {
+ super.onDestroy()
+ if (!requireActivity().isChangingConfigurations) peerManager.resetPushPayment()
+ }
+
+ private fun onSend(amount: Amount, summary: String, hours: Long) {
+ peerManager.initiatePeerPushDebit(amount, summary, hours)
+ }
+}
diff --git a/wallet/src/main/java/net/taler/wallet/peer/OutgoingState.kt b/wallet/src/main/java/net/taler/wallet/peer/OutgoingState.kt
new file mode 100644
index 0000000..05da294
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/OutgoingState.kt
@@ -0,0 +1,63 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import kotlinx.serialization.Serializable
+import net.taler.common.Amount
+import net.taler.wallet.backend.TalerErrorInfo
+import net.taler.wallet.exchanges.ExchangeItem
+
+sealed class OutgoingState
+object OutgoingIntro : OutgoingState()
+object OutgoingChecking : OutgoingState()
+data class OutgoingChecked(
+ val amountRaw: Amount,
+ val amountEffective: Amount,
+ val exchangeItem: ExchangeItem? = null,
+) : OutgoingState()
+object OutgoingCreating : OutgoingState()
+data class OutgoingResponse(
+ val transactionId: String,
+) : OutgoingState()
+
+data class OutgoingError(
+ val info: TalerErrorInfo,
+) : OutgoingState()
+
+@Serializable
+data class CheckPeerPullCreditResponse(
+ val exchangeBaseUrl: String,
+ val amountRaw: Amount,
+ val amountEffective: Amount,
+)
+
+@Serializable
+data class InitiatePeerPullPaymentResponse(
+ val transactionId: String,
+)
+
+@Serializable
+data class CheckPeerPushDebitResponse(
+ val amountRaw: Amount,
+ val amountEffective: Amount,
+)
+
+@Serializable
+data class InitiatePeerPushDebitResponse(
+ val exchangeBaseUrl: String,
+ val transactionId: String,
+)
diff --git a/wallet/src/main/java/net/taler/wallet/peer/PeerManager.kt b/wallet/src/main/java/net/taler/wallet/peer/PeerManager.kt
new file mode 100644
index 0000000..5bd2b0b
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/PeerManager.kt
@@ -0,0 +1,217 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import android.util.Log
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
+import net.taler.common.Amount
+import net.taler.common.Timestamp
+import net.taler.wallet.TAG
+import net.taler.wallet.backend.TalerErrorCode.UNKNOWN
+import net.taler.wallet.backend.TalerErrorInfo
+import net.taler.wallet.backend.WalletBackendApi
+import net.taler.wallet.exchanges.ExchangeItem
+import net.taler.wallet.exchanges.ExchangeManager
+import org.json.JSONObject
+import java.util.concurrent.TimeUnit.HOURS
+
+const val MAX_LENGTH_SUBJECT = 100
+val DEFAULT_EXPIRY = ExpirationOption.DAYS_1
+
+class PeerManager(
+ private val api: WalletBackendApi,
+ private val exchangeManager: ExchangeManager,
+ private val scope: CoroutineScope,
+) {
+
+ private val _outgoingPullState = MutableStateFlow<OutgoingState>(OutgoingIntro)
+ val pullState: StateFlow<OutgoingState> = _outgoingPullState
+
+ private val _outgoingPushState = MutableStateFlow<OutgoingState>(OutgoingIntro)
+ val pushState: StateFlow<OutgoingState> = _outgoingPushState
+
+ private val _incomingPullState = MutableStateFlow<IncomingState>(IncomingChecking)
+ val incomingPullState: StateFlow<IncomingState> = _incomingPullState
+
+ private val _incomingPushState = MutableStateFlow<IncomingState>(IncomingChecking)
+ val incomingPushState: StateFlow<IncomingState> = _incomingPushState
+
+ fun checkPeerPullCredit(amount: Amount) {
+ _outgoingPullState.value = OutgoingChecking
+ scope.launch(Dispatchers.IO) {
+ val exchangeItem = exchangeManager.findExchange(amount.currency)
+ if (exchangeItem == null) {
+ _outgoingPullState.value = OutgoingError(
+ TalerErrorInfo(UNKNOWN, "No exchange found for ${amount.currency}")
+ )
+ return@launch
+ }
+ api.request("checkPeerPullCredit", CheckPeerPullCreditResponse.serializer()) {
+ put("exchangeBaseUrl", exchangeItem.exchangeBaseUrl)
+ put("amount", amount.toJSONString())
+ }.onSuccess {
+ _outgoingPullState.value = OutgoingChecked(
+ amountRaw = it.amountRaw,
+ amountEffective = it.amountEffective,
+ exchangeItem = exchangeItem,
+ )
+ }.onError { error ->
+ Log.e(TAG, "got checkPeerPullCredit error result $error")
+ _outgoingPullState.value = OutgoingError(error)
+ }
+ }
+ }
+
+ fun initiatePeerPullCredit(amount: Amount, summary: String, expirationHours: Long, exchange: ExchangeItem) {
+ _outgoingPullState.value = OutgoingCreating
+ scope.launch(Dispatchers.IO) {
+ val expiry = Timestamp.fromMillis(System.currentTimeMillis() + HOURS.toMillis(expirationHours))
+ api.request("initiatePeerPullCredit", InitiatePeerPullPaymentResponse.serializer()) {
+ put("exchangeBaseUrl", exchange.exchangeBaseUrl)
+ put("partialContractTerms", JSONObject().apply {
+ put("amount", amount.toJSONString())
+ put("summary", summary)
+ put("purse_expiration", JSONObject(Json.encodeToString(expiry)))
+ })
+ }.onSuccess {
+ _outgoingPullState.value = OutgoingResponse(it.transactionId)
+ }.onError { error ->
+ Log.e(TAG, "got initiatePeerPullCredit error result $error")
+ _outgoingPullState.value = OutgoingError(error)
+ }
+ }
+ }
+
+ fun resetPullPayment() {
+ _outgoingPullState.value = OutgoingIntro
+ }
+
+ fun checkPeerPushDebit(amount: Amount) {
+ _outgoingPushState.value = OutgoingChecking
+ scope.launch(Dispatchers.IO) {
+ api.request("checkPeerPushDebit", CheckPeerPushDebitResponse.serializer()) {
+ put("amount", amount.toJSONString())
+ }.onSuccess { response ->
+ _outgoingPushState.value = OutgoingChecked(
+ amountRaw = response.amountRaw,
+ amountEffective = response.amountEffective,
+ // FIXME add exchangeItem once available in API
+ )
+ }.onError { error ->
+ Log.e(TAG, "got checkPeerPushDebit error result $error")
+ _outgoingPushState.value = OutgoingError(error)
+ }
+ }
+ }
+
+ fun initiatePeerPushDebit(amount: Amount, summary: String, expirationHours: Long) {
+ _outgoingPushState.value = OutgoingCreating
+ scope.launch(Dispatchers.IO) {
+ val expiry = Timestamp.fromMillis(System.currentTimeMillis() + HOURS.toMillis(expirationHours))
+ api.request("initiatePeerPushDebit", InitiatePeerPushDebitResponse.serializer()) {
+ put("amount", amount.toJSONString())
+ put("partialContractTerms", JSONObject().apply {
+ put("amount", amount.toJSONString())
+ put("summary", summary)
+ put("purse_expiration", JSONObject(Json.encodeToString(expiry)))
+ })
+ }.onSuccess { response ->
+ _outgoingPushState.value = OutgoingResponse(response.transactionId)
+ }.onError { error ->
+ Log.e(TAG, "got initiatePeerPushDebit error result $error")
+ _outgoingPushState.value = OutgoingError(error)
+ }
+ }
+ }
+
+ fun resetPushPayment() {
+ _outgoingPushState.value = OutgoingIntro
+ }
+
+ fun preparePeerPullDebit(talerUri: String) {
+ _incomingPullState.value = IncomingChecking
+ scope.launch(Dispatchers.IO) {
+ api.request("preparePeerPullDebit", PreparePeerPullDebitResponse.serializer()) {
+ put("talerUri", talerUri)
+ }.onSuccess { response ->
+ _incomingPullState.value = IncomingTerms(
+ amountRaw = response.amountRaw,
+ amountEffective = response.amountEffective,
+ contractTerms = response.contractTerms,
+ id = response.transactionId,
+ )
+ }.onError { error ->
+ Log.e(TAG, "got preparePeerPullDebit error result $error")
+ _incomingPullState.value = IncomingError(error)
+ }
+ }
+ }
+
+ fun confirmPeerPullDebit(terms: IncomingTerms) {
+ _incomingPullState.value = IncomingAccepting(terms)
+ scope.launch(Dispatchers.IO) {
+ api.request<Unit>("confirmPeerPullDebit") {
+ put("transactionId", terms.id)
+ }.onSuccess {
+ _incomingPullState.value = IncomingAccepted
+ }.onError { error ->
+ Log.e(TAG, "got confirmPeerPullDebit error result $error")
+ _incomingPullState.value = IncomingError(error)
+ }
+ }
+ }
+
+ fun preparePeerPushCredit(talerUri: String) {
+ _incomingPushState.value = IncomingChecking
+ scope.launch(Dispatchers.IO) {
+ api.request("preparePeerPushCredit", PreparePeerPushCreditResponse.serializer()) {
+ put("talerUri", talerUri)
+ }.onSuccess { response ->
+ _incomingPushState.value = IncomingTerms(
+ amountRaw = response.amountRaw,
+ amountEffective = response.amountEffective,
+ contractTerms = response.contractTerms,
+ id = response.transactionId,
+ )
+ }.onError { error ->
+ Log.e(TAG, "got preparePeerPushCredit error result $error")
+ _incomingPushState.value = IncomingError(error)
+ }
+ }
+ }
+
+ fun confirmPeerPushCredit(terms: IncomingTerms) {
+ _incomingPushState.value = IncomingAccepting(terms)
+ scope.launch(Dispatchers.IO) {
+ api.request<Unit>("confirmPeerPushCredit") {
+ put("transactionId", terms.id)
+ }.onSuccess {
+ _incomingPushState.value = IncomingAccepted
+ }.onError { error ->
+ Log.e(TAG, "got confirmPeerPushCredit error result $error")
+ _incomingPushState.value = IncomingError(error)
+ }
+ }
+ }
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPullCredit.kt b/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPullCredit.kt
new file mode 100644
index 0000000..3b15b6f
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPullCredit.kt
@@ -0,0 +1,105 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import net.taler.common.Amount
+import net.taler.common.CurrencySpecification
+import net.taler.common.Timestamp
+import net.taler.wallet.R
+import net.taler.wallet.backend.TalerErrorCode.EXCHANGE_GENERIC_KYC_REQUIRED
+import net.taler.wallet.backend.TalerErrorInfo
+import net.taler.wallet.transactions.AmountType
+import net.taler.wallet.transactions.PeerInfoShort
+import net.taler.wallet.transactions.TransactionAction.Abort
+import net.taler.wallet.transactions.TransactionAction.Retry
+import net.taler.wallet.transactions.TransactionAction.Suspend
+import net.taler.wallet.transactions.TransactionAmountComposable
+import net.taler.wallet.transactions.TransactionInfoComposable
+import net.taler.wallet.transactions.TransactionMajorState.Pending
+import net.taler.wallet.transactions.TransactionMinorState.CreatePurse
+import net.taler.wallet.transactions.TransactionMinorState.Ready
+import net.taler.wallet.transactions.TransactionPeerComposable
+import net.taler.wallet.transactions.TransactionPeerPullCredit
+import net.taler.wallet.transactions.TransactionState
+
+@Composable
+fun ColumnScope.TransactionPeerPullCreditComposable(t: TransactionPeerPullCredit, spec: CurrencySpecification?) {
+ if (t.error == null) PeerQrCode(
+ state = t.txState,
+ talerUri = t.talerUri,
+ )
+
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.receive_peer_amount_invoiced),
+ amount = t.amountRaw.withSpec(spec),
+ amountType = AmountType.Neutral,
+ )
+
+ val fee = t.amountRaw - t.amountEffective
+ if (!fee.isZero()) {
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.withdraw_fees),
+ amount = fee.withSpec(spec),
+ amountType = AmountType.Negative,
+ )
+ }
+
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.amount_received),
+ amount = t.amountEffective.withSpec(spec),
+ amountType = AmountType.Positive,
+ )
+
+ TransactionInfoComposable(
+ label = stringResource(id = R.string.send_peer_purpose),
+ info = t.info.summary ?: "",
+ )
+}
+
+@Preview
+@Composable
+fun TransactionPeerPullCreditPreview(loading: Boolean = false) {
+ val t = TransactionPeerPullCredit(
+ transactionId = "transactionId",
+ timestamp = Timestamp.fromMillis(System.currentTimeMillis() - 360 * 60 * 1000),
+ txState = TransactionState(Pending, if (loading) CreatePurse else Ready),
+ txActions = listOf(Retry, Suspend, Abort),
+ exchangeBaseUrl = "https://exchange.example.org/",
+ amountRaw = Amount.fromString("TESTKUDOS", "42.23"),
+ amountEffective = Amount.fromString("TESTKUDOS", "42.1337"),
+ info = PeerInfoShort(
+ expiration = Timestamp.fromMillis(System.currentTimeMillis() + 60 * 60 * 1000),
+ summary = "test invoice",
+ ),
+ talerUri = "https://exchange.example.org/peer/pull/credit",
+ error = TalerErrorInfo(code = EXCHANGE_GENERIC_KYC_REQUIRED),
+ )
+ Surface {
+ TransactionPeerComposable(t, true, null) {}
+ }
+}
+
+@Preview
+@Composable
+fun TransactionPeerPullCreditLoadingPreview() {
+ TransactionPeerPullCreditPreview(loading = true)
+} \ No newline at end of file
diff --git a/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPullDebit.kt b/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPullDebit.kt
new file mode 100644
index 0000000..dadff4a
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPullDebit.kt
@@ -0,0 +1,90 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import net.taler.common.Amount
+import net.taler.common.CurrencySpecification
+import net.taler.common.Timestamp
+import net.taler.wallet.R
+import net.taler.wallet.backend.TalerErrorCode.EXCHANGE_GENERIC_KYC_REQUIRED
+import net.taler.wallet.backend.TalerErrorInfo
+import net.taler.wallet.transactions.AmountType
+import net.taler.wallet.transactions.PeerInfoShort
+import net.taler.wallet.transactions.TransactionAction.Abort
+import net.taler.wallet.transactions.TransactionAction.Retry
+import net.taler.wallet.transactions.TransactionAction.Suspend
+import net.taler.wallet.transactions.TransactionAmountComposable
+import net.taler.wallet.transactions.TransactionInfoComposable
+import net.taler.wallet.transactions.TransactionMajorState.Pending
+import net.taler.wallet.transactions.TransactionPeerComposable
+import net.taler.wallet.transactions.TransactionPeerPullDebit
+import net.taler.wallet.transactions.TransactionState
+
+@Composable
+fun TransactionPeerPullDebitComposable(t: TransactionPeerPullDebit, spec: CurrencySpecification?) {
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.transaction_order_total),
+ amount = t.amountRaw.withSpec(spec),
+ amountType = AmountType.Neutral,
+ )
+
+ val fee = t.amountEffective - t.amountRaw
+ if (!fee.isZero()) {
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.withdraw_fees),
+ amount = fee.withSpec(spec),
+ amountType = AmountType.Negative,
+ )
+ }
+
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.transaction_paid),
+ amount = t.amountEffective.withSpec(spec),
+ amountType = AmountType.Negative,
+ )
+
+ TransactionInfoComposable(
+ label = stringResource(id = R.string.send_peer_purpose),
+ info = t.info.summary ?: "",
+ )
+}
+
+@Preview
+@Composable
+fun TransactionPeerPullDebitPreview() {
+ val t = TransactionPeerPullDebit(
+ transactionId = "transactionId",
+ timestamp = Timestamp.fromMillis(System.currentTimeMillis() - 360 * 60 * 1000),
+ txState = TransactionState(Pending),
+ txActions = listOf(Retry, Suspend, Abort),
+ exchangeBaseUrl = "https://exchange.example.org/",
+ amountRaw = Amount.fromString("TESTKUDOS", "42.1337"),
+ amountEffective = Amount.fromString("TESTKUDOS", "42.23"),
+ info = PeerInfoShort(
+ expiration = Timestamp.fromMillis(System.currentTimeMillis() + 60 * 60 * 1000),
+ summary = "test invoice",
+ ),
+ error = TalerErrorInfo(code = EXCHANGE_GENERIC_KYC_REQUIRED),
+ )
+ Surface {
+ TransactionPeerComposable(t, true, null) {}
+ }
+}
diff --git a/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPushCredit.kt b/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPushCredit.kt
new file mode 100644
index 0000000..dbf0fb9
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPushCredit.kt
@@ -0,0 +1,90 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import net.taler.common.Amount
+import net.taler.common.CurrencySpecification
+import net.taler.common.Timestamp
+import net.taler.wallet.R
+import net.taler.wallet.backend.TalerErrorCode.EXCHANGE_GENERIC_KYC_REQUIRED
+import net.taler.wallet.backend.TalerErrorInfo
+import net.taler.wallet.transactions.AmountType
+import net.taler.wallet.transactions.PeerInfoShort
+import net.taler.wallet.transactions.TransactionAction.Abort
+import net.taler.wallet.transactions.TransactionAction.Retry
+import net.taler.wallet.transactions.TransactionAction.Suspend
+import net.taler.wallet.transactions.TransactionAmountComposable
+import net.taler.wallet.transactions.TransactionInfoComposable
+import net.taler.wallet.transactions.TransactionMajorState.Pending
+import net.taler.wallet.transactions.TransactionPeerComposable
+import net.taler.wallet.transactions.TransactionPeerPushCredit
+import net.taler.wallet.transactions.TransactionState
+
+@Composable
+fun TransactionPeerPushCreditComposable(t: TransactionPeerPushCredit, spec: CurrencySpecification?) {
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.amount_sent),
+ amount = t.amountRaw.withSpec(spec),
+ amountType = AmountType.Neutral,
+ )
+
+ val fee = t.amountRaw - t.amountEffective
+ if (!fee.isZero()) {
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.withdraw_fees),
+ amount = fee.withSpec(spec),
+ amountType = AmountType.Negative,
+ )
+ }
+
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.amount_received),
+ amount = t.amountEffective.withSpec(spec),
+ amountType = AmountType.Positive,
+ )
+
+ TransactionInfoComposable(
+ label = stringResource(id = R.string.send_peer_purpose),
+ info = t.info.summary ?: "",
+ )
+}
+
+@Preview
+@Composable
+fun TransactionPeerPushCreditPreview() {
+ val t = TransactionPeerPushCredit(
+ transactionId = "transactionId",
+ timestamp = Timestamp.fromMillis(System.currentTimeMillis() - 360 * 60 * 1000),
+ txState = TransactionState(Pending),
+ txActions = listOf(Retry, Suspend, Abort),
+ exchangeBaseUrl = "https://exchange.example.org/",
+ amountRaw = Amount.fromString("TESTKUDOS", "42.23"),
+ amountEffective = Amount.fromString("TESTKUDOS", "42.1337"),
+ info = PeerInfoShort(
+ expiration = Timestamp.fromMillis(System.currentTimeMillis() + 60 * 60 * 1000),
+ summary = "test invoice",
+ ),
+ error = TalerErrorInfo(code = EXCHANGE_GENERIC_KYC_REQUIRED),
+ )
+ Surface {
+ TransactionPeerComposable(t, true, null) {}
+ }
+}
diff --git a/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPushDebit.kt b/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPushDebit.kt
new file mode 100644
index 0000000..e592c3e
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/peer/TransactionPeerPushDebit.kt
@@ -0,0 +1,152 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.peer
+
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment.Companion.CenterHorizontally
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import net.taler.common.Amount
+import net.taler.common.CurrencySpecification
+import net.taler.common.Timestamp
+import net.taler.wallet.R
+import net.taler.wallet.backend.TalerErrorCode.EXCHANGE_GENERIC_KYC_REQUIRED
+import net.taler.wallet.backend.TalerErrorInfo
+import net.taler.wallet.compose.QrCodeUriComposable
+import net.taler.wallet.compose.TalerSurface
+import net.taler.wallet.compose.getQrCodeSize
+import net.taler.wallet.transactions.AmountType
+import net.taler.wallet.transactions.PeerInfoShort
+import net.taler.wallet.transactions.TransactionAction.Abort
+import net.taler.wallet.transactions.TransactionAction.Retry
+import net.taler.wallet.transactions.TransactionAction.Suspend
+import net.taler.wallet.transactions.TransactionAmountComposable
+import net.taler.wallet.transactions.TransactionInfoComposable
+import net.taler.wallet.transactions.TransactionMajorState.Pending
+import net.taler.wallet.transactions.TransactionMinorState.CreatePurse
+import net.taler.wallet.transactions.TransactionMinorState.Ready
+import net.taler.wallet.transactions.TransactionPeerComposable
+import net.taler.wallet.transactions.TransactionPeerPushDebit
+import net.taler.wallet.transactions.TransactionState
+
+@Composable
+fun ColumnScope.TransactionPeerPushDebitComposable(t: TransactionPeerPushDebit, spec: CurrencySpecification?) {
+ if (t.error == null) PeerQrCode(
+ state = t.txState,
+ talerUri = t.talerUri,
+ )
+
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.transaction_order_total),
+ amount = t.amountRaw.withSpec(spec),
+ amountType = AmountType.Neutral,
+ )
+
+ val fee = t.amountEffective - t.amountRaw
+ if (!fee.isZero()) {
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.withdraw_fees),
+ amount = fee.withSpec(spec),
+ amountType = AmountType.Negative,
+ )
+ }
+
+ TransactionAmountComposable(
+ label = stringResource(id = R.string.transaction_paid),
+ amount = t.amountEffective.withSpec(spec),
+ amountType = AmountType.Negative,
+ )
+
+ TransactionInfoComposable(
+ label = stringResource(id = R.string.send_peer_purpose),
+ info = t.info.summary ?: "",
+ )
+}
+
+@Composable
+fun ColumnScope.PeerQrCode(state: TransactionState, talerUri: String?) {
+ if (state == TransactionState(Pending)) {
+ Text(
+ modifier = Modifier.padding(top = 16.dp, start = 16.dp, end = 16.dp),
+ style = MaterialTheme.typography.titleLarge,
+ text = stringResource(id = R.string.send_peer_payment_instruction),
+ textAlign = TextAlign.Center,
+ )
+
+ if (state.minor == Ready && talerUri != null) {
+ QrCodeUriComposable(
+ talerUri = talerUri,
+ clipBoardLabel = "Push payment",
+ buttonText = stringResource(id = R.string.copy),
+ ) {
+ Text(
+ modifier = Modifier.padding(horizontal = 16.dp),
+ style = MaterialTheme.typography.bodyLarge,
+ text = stringResource(id = R.string.receive_peer_invoice_uri),
+ )
+ }
+ } else {
+ val qrCodeSize = getQrCodeSize()
+ CircularProgressIndicator(
+ modifier = Modifier
+ .padding(32.dp)
+ .size(qrCodeSize)
+ .align(CenterHorizontally),
+ )
+ }
+ }
+
+}
+
+@Preview
+@Composable
+fun TransactionPeerPushDebitPreview(loading: Boolean = false) {
+ val t = TransactionPeerPushDebit(
+ transactionId = "transactionId",
+ timestamp = Timestamp.fromMillis(System.currentTimeMillis() - 360 * 60 * 1000),
+ txState = TransactionState(Pending, if (loading) CreatePurse else Ready),
+ txActions = listOf(Retry, Suspend, Abort),
+ exchangeBaseUrl = "https://exchange.example.org/",
+ amountRaw = Amount.fromString("TESTKUDOS", "42.1337"),
+ amountEffective = Amount.fromString("TESTKUDOS", "42.23"),
+ info = PeerInfoShort(
+ expiration = Timestamp.fromMillis(System.currentTimeMillis() + 60 * 60 * 1000),
+ summary = "test invoice",
+ ),
+ talerUri = "https://exchange.example.org/peer/pull/credit",
+ error = TalerErrorInfo(code = EXCHANGE_GENERIC_KYC_REQUIRED),
+ )
+
+ TalerSurface {
+ TransactionPeerComposable(t, true, null) {}
+ }
+}
+
+@Preview
+@Composable
+fun TransactionPeerPushDebitLoadingPreview() {
+ TransactionPeerPushDebitPreview(loading = true)
+} \ No newline at end of file