diff options
Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/peer/OutgoingPullComposable.kt')
| -rw-r--r-- | wallet/src/main/java/net/taler/wallet/peer/OutgoingPullComposable.kt | 280 |
1 files changed, 280 insertions, 0 deletions
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 = {}, + ) + } +}
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