taler-android

TransactionLossFragment.kt (6231B)

---

 /*
  * This file is part of GNU Taler
  * (C) 2024 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.transactions
 
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 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.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.ComposeView
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 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.common.toAbsoluteTime
 import net.taler.wallet.BottomInsetsSpacer
 import net.taler.wallet.R
 import net.taler.wallet.backend.TalerErrorCode
 import net.taler.wallet.backend.TalerErrorInfo
 import net.taler.wallet.balances.ScopeInfo
 import net.taler.wallet.compose.TalerSurface
 import net.taler.wallet.compose.collectAsStateLifecycleAware
 import net.taler.wallet.transactions.LossEventType.DenomExpired
 import net.taler.wallet.transactions.LossEventType.DenomUnoffered
 import net.taler.wallet.transactions.LossEventType.DenomVanished
 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.TransactionMajorState.Pending
 
 class TransactionLossFragment: TransactionDetailFragment() {
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View = ComposeView(requireContext()).apply {
         setContent {
             val t by transactionManager.selectedTransaction.collectAsStateLifecycleAware()
 
             TalerSurface {
                 (t as? TransactionDenomLoss)?.let { tx ->
                     val spec = remember(tx.amountRaw.currency, tx.scopes) {
                         exchangeManager.getSpecForCurrency(tx.amountRaw.currency, tx.scopes)
                     }
                     TransitionLossComposable(tx, devMode, spec) {
                         onTransitionButtonClicked(tx, it)
                     }
                 }
             }
         }
     }
 }
 
 @Composable
 fun TransitionLossComposable(
     t: TransactionDenomLoss,
     devMode: Boolean,
     spec: CurrencySpecification?,
     onTransition: (t: TransactionAction) -> Unit,
 ) {
     val scrollState = rememberScrollState()
     val context = LocalContext.current
 
     Column(
         modifier = Modifier
             .fillMaxWidth()
             .verticalScroll(scrollState),
         horizontalAlignment = Alignment.CenterHorizontally,
     ) {
         TransactionStateComposable(state = t.txState)
 
         Text(
             modifier = Modifier.padding(16.dp),
             text = t.timestamp.ms.toAbsoluteTime(context).toString(),
             style = MaterialTheme.typography.bodyLarge,
         )
 
         TransactionAmountComposable(
             label = stringResource(id = R.string.amount_lost),
             amount = t.amountEffective.withSpec(spec),
             amountType = AmountType.Negative,
         )
 
         TransactionInfoComposable(
             label = stringResource(id = R.string.loss_reason),
             info = stringResource(
                 when(t.lossEventType) {
                     DenomExpired -> R.string.loss_reason_expired
                     DenomVanished -> R.string.loss_reason_vanished
                     DenomUnoffered -> R.string.loss_reason_unoffered
                 }
             )
         )
 
         TransitionsComposable(t, devMode, onTransition)
 
         if (devMode && t.error != null) {
             ErrorTransactionButton(error = t.error)
         }
 
         BottomInsetsSpacer()
     }
 }
 
 fun previewLossTransaction(lossEventType: LossEventType) =
     TransactionDenomLoss(
         transactionId = "transactionId",
         timestamp = Timestamp.fromMillis(System.currentTimeMillis() - 360 * 60 * 1000),
         txState = TransactionState(Pending),
         txActions = listOf(Retry, Suspend, Abort),
         amountRaw = Amount.fromString("TESTKUDOS", "0.3"),
         amountEffective = Amount.fromString("TESTKUDOS", "0.3"),
         error = TalerErrorInfo(code = TalerErrorCode.WALLET_WITHDRAWAL_KYC_REQUIRED),
         lossEventType = lossEventType,
         scopes = listOf(ScopeInfo.Exchange(
             currency = "TESTKUDOS",
             url = "exchange.test.taler.net",
         ))
     )
 
 @Composable
 @Preview
 fun TransitionLossComposableExpiredPreview() {
     val t = previewLossTransaction(DenomExpired)
     Surface {
         TransitionLossComposable(t, true, null) {}
     }
 }
 
 @Composable
 @Preview
 fun TransitionLossComposableVanishedPreview() {
     val t = previewLossTransaction(DenomVanished)
     Surface {
         TransitionLossComposable(t, true, null) {}
     }
 }
 
 @Composable
 @Preview
 fun TransactionLossComposableUnofferedPreview() {
     val t = previewLossTransaction(DenomUnoffered)
     Surface {
         TransitionLossComposable(t, true, null) {}
     }
 }