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Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/payment/PayTemplateComposable.kt')
| -rw-r--r-- | wallet/src/main/java/net/taler/wallet/payment/PayTemplateComposable.kt | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/payment/PayTemplateComposable.kt b/wallet/src/main/java/net/taler/wallet/payment/PayTemplateComposable.kt new file mode 100644 index 0000000..ffa4875 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/payment/PayTemplateComposable.kt @@ -0,0 +1,184 @@ +/* + * 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.payment + +import androidx.compose.foundation.layout.Box +import androidx.compose.foundation.layout.fillMaxSize +import androidx.compose.foundation.layout.padding +import androidx.compose.material3.MaterialTheme +import androidx.compose.material3.Text +import androidx.compose.runtime.Composable +import androidx.compose.ui.Alignment.Companion.Center +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.common.Amount +import net.taler.common.ContractTerms +import net.taler.wallet.AmountResult +import net.taler.wallet.R +import net.taler.wallet.compose.LoadingScreen +import net.taler.wallet.compose.TalerSurface + +sealed class AmountFieldStatus { + object FixedAmount : AmountFieldStatus() + class Default( + val amountStr: String? = null, + val currency: String? = null, + ) : AmountFieldStatus() + + object Invalid : AmountFieldStatus() +} + +@Composable +fun PayTemplateComposable( + defaultSummary: String?, + amountStatus: AmountFieldStatus, + currencies: List<String>, + payStatus: PayStatus, + onCreateAmount: (String, String) -> AmountResult, + onSubmit: (summary: String?, amount: Amount?) -> Unit, + onError: (resId: Int) -> Unit, +) { + // If wallet is empty, there's no way the user can pay something + if (amountStatus is AmountFieldStatus.Invalid) { + PayTemplateError(stringResource(R.string.receive_amount_invalid)) + } else if (currencies.isEmpty()) { + PayTemplateError(stringResource(R.string.payment_balance_insufficient)) + } else when (val p = payStatus) { + is PayStatus.None -> PayTemplateOrderComposable( + currencies = currencies, + defaultSummary = defaultSummary, + amountStatus = amountStatus, + onCreateAmount = onCreateAmount, + onError = onError, + onSubmit = onSubmit, + ) + + is PayStatus.Loading -> PayTemplateLoading() + is PayStatus.AlreadyPaid -> PayTemplateError(stringResource(R.string.payment_already_paid)) + is PayStatus.InsufficientBalance -> PayTemplateError(stringResource(R.string.payment_balance_insufficient)) + is PayStatus.Pending -> { + val error = p.error + PayTemplateError(if (error != null) { + stringResource(R.string.payment_error, error.userFacingMsg) + } else { + stringResource(R.string.payment_template_error) + }) + } + is PayStatus.Prepared -> {} // handled in fragment, will redirect + is PayStatus.Success -> {} // handled by other UI flow, no need for content here + } +} + +@Composable +fun PayTemplateError(message: String) { + Box( + modifier = Modifier.padding(16.dp).fillMaxSize(), + contentAlignment = Center, + ) { + Text( + text = message, + style = MaterialTheme.typography.titleLarge, + color = MaterialTheme.colorScheme.error, + ) + } +} + +@Composable +fun PayTemplateLoading() { + LoadingScreen() +} + +@Preview +@Composable +fun PayTemplateLoadingPreview() { + TalerSurface { + PayTemplateComposable( + defaultSummary = "Donation", + amountStatus = AmountFieldStatus.Default("20", "ARS"), + payStatus = PayStatus.Loading, + currencies = listOf("KUDOS", "ARS"), + onCreateAmount = { text, currency -> + AmountResult.Success(amount = Amount.fromString(currency, text)) + }, + onSubmit = { _, _ -> }, + onError = { _ -> }, + ) + } +} + +@Preview +@Composable +fun PayTemplateInsufficientBalancePreview() { + TalerSurface { + PayTemplateComposable( + defaultSummary = "Donation", + amountStatus = AmountFieldStatus.Default("20", "ARS"), + payStatus = PayStatus.InsufficientBalance( + ContractTerms( + "test", + amount = Amount.zero("TESTKUDOS"), + products = emptyList() + ), Amount.zero("TESTKUDOS") + ), + currencies = listOf("KUDOS", "ARS"), + onCreateAmount = { text, currency -> + AmountResult.Success(amount = Amount.fromString(currency, text)) + }, + onSubmit = { _, _ -> }, + onError = { _ -> }, + ) + } +} + +@Preview(widthDp = 300) +@Composable +fun PayTemplateAlreadyPaidPreview() { + TalerSurface { + PayTemplateComposable( + defaultSummary = "Donation", + amountStatus = AmountFieldStatus.Default("20", "ARS"), + payStatus = PayStatus.AlreadyPaid(transactionId = "transactionId"), + currencies = listOf("KUDOS", "ARS"), + onCreateAmount = { text, currency -> + AmountResult.Success(amount = Amount.fromString(currency, text)) + }, + onSubmit = { _, _ -> }, + onError = { _ -> }, + ) + } +} + + +@Preview +@Composable +fun PayTemplateNoCurrenciesPreview() { + TalerSurface { + PayTemplateComposable( + defaultSummary = "Donation", + amountStatus = AmountFieldStatus.Default("20", "ARS"), + payStatus = PayStatus.None, + currencies = emptyList(), + onCreateAmount = { text, currency -> + AmountResult.Success(amount = Amount.fromString(currency, text)) + }, + onSubmit = { _, _ -> }, + onError = { _ -> }, + ) + } +} |