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/*
* 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)
}
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