taler-android

DepositFragment.kt (7896B)

---

 /*
  * 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.deposit
 
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.activity.compose.BackHandler
 import androidx.appcompat.app.AppCompatActivity
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Modifier
 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.map
 import androidx.lifecycle.repeatOnLifecycle
 import androidx.navigation.fragment.findNavController
 import kotlinx.coroutines.launch
 import net.taler.common.Amount
 import net.taler.common.showError
 import net.taler.wallet.main.MainViewModel
 import net.taler.wallet.R
 import net.taler.wallet.compose.LoadingScreen
 import net.taler.wallet.compose.TalerSurface
 import net.taler.wallet.compose.collectAsStateLifecycleAware
 import net.taler.wallet.showError
 import net.taler.wallet.accounts.ListBankAccountsResult.Success
 import net.taler.wallet.compose.ErrorComposable
 
 class DepositFragment : Fragment() {
     private val model: MainViewModel by activityViewModels()
     private val depositManager get() = model.depositManager
     private val accountManager get() = model.accountManager
     private val exchangeManager get() = model.exchangeManager
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?,
     ): View {
         val presetAmount = arguments?.getString("amount")?.let { Amount.fromJSONString(it) }
         val receiverName = arguments?.getString("receiverName")
         val receiverPostalCode = arguments?.getString("receiverPostalCode")
         val receiverTown = arguments?.getString("receiverTown")
         val iban = arguments?.getString("IBAN")
 
         if (presetAmount != null && receiverName != null && iban != null) {
             val paytoUri = getIbanPayto(receiverName, receiverPostalCode, receiverTown, iban)
             depositManager.makeDeposit(presetAmount, paytoUri)
         }
 
         return ComposeView(requireContext()).apply {
             setContent {
                 TalerSurface {
                     val state by depositManager.depositState.collectAsStateLifecycleAware()
                     val knownBankAccounts by accountManager.bankAccounts.collectAsStateLifecycleAware()
                     val knownCurrencies by model.balanceManager.balances.map {
                         it.map { bl -> bl.currency }
                     }.observeAsState(emptyList())
                     val devMode by model.devMode.observeAsState(false)
 
                     BackHandler(state is DepositState.AccountSelected) {
                         depositManager.resetDepositState()
                     }
 
                     when (val s = state) {
                         is DepositState.MakingDeposit, is DepositState.Success -> {
                             LoadingScreen()
                         }
 
                         is DepositState.Error -> ErrorComposable(s.error,
                             devMode = devMode,
                             modifier = Modifier
                                 .fillMaxSize()
                                 .verticalScroll(rememberScrollState()),
                             onClose = {
                                 findNavController().popBackStack()
                             },
                         )
 
                         is DepositState.Start -> {
                             MakeDepositComposable(
                                 knownBankAccounts = (knownBankAccounts as? Success)
                                     ?.accounts
                                     ?: emptyList(),
                                 onAccountSelected = { account ->
                                     depositManager.selectAccount(account)
                                 },
                                 onManageBankAccounts = {
                                     findNavController().navigate(R.id.action_global_bankAccounts)
                                 }
                             )
                         }
 
                         is DepositState.AccountSelected -> {
                             DepositAmountComposable(
                                 state = s,
                                 knownCurrencies = knownCurrencies,
                                 getCurrencySpec = exchangeManager::getSpecForCurrency,
                                 checkDeposit = { a ->
                                     depositManager.checkDepositFees(s.account.paytoUri, a)
                                 },
                                 onMakeDeposit = { amount ->
                                     depositManager.makeDeposit(amount, s.account.paytoUri)
                                 },
                                 onClose = {
                                     depositManager.resetDepositState()
                                 }
                             )
                         }
                     }
                 }
             }
         }
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         val supportActionBar = (requireActivity() as? AppCompatActivity)?.supportActionBar
         lifecycleScope.launch {
             repeatOnLifecycle(Lifecycle.State.STARTED) {
                 depositManager.depositState.collect { state ->
                     when (state) {
                         is DepositState.Start -> {
                             supportActionBar?.setTitle(R.string.send_deposit_select_account_title)
                         }
 
                         is DepositState.AccountSelected -> {
                             supportActionBar?.setTitle(R.string.send_deposit_select_amount_title)
                         }
 
                         is DepositState.Error -> {
                             if (model.devMode.value == false) {
                                 showError(state.error.userFacingMsg)
                             } else {
                                 showError(state.error)
                             }
                         }
 
                         is DepositState.Success -> {
                             findNavController().navigate(R.id.action_global_main)
                         }
 
                         else -> {}
                     }
                 }
             }
         }
 
         lifecycleScope.launch {
             repeatOnLifecycle(Lifecycle.State.STARTED) {
                 accountManager.listBankAccounts()
             }
         }
     }
 
     override fun onStart() {
         super.onStart()
         activity?.setTitle(R.string.send_deposit_title)
     }
 
     override fun onDestroy() {
         super.onDestroy()
         if (!requireActivity().isChangingConfigurations) {
             depositManager.resetDepositState()
         }
     }
 }