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Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/WalletViewModel.kt')
-rw-r--r--wallet/src/main/java/net/taler/wallet/WalletViewModel.kt124
1 files changed, 124 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/WalletViewModel.kt b/wallet/src/main/java/net/taler/wallet/WalletViewModel.kt
new file mode 100644
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+++ b/wallet/src/main/java/net/taler/wallet/WalletViewModel.kt
@@ -0,0 +1,124 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 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
+
+import android.app.Application
+import android.util.Log
+import androidx.annotation.UiThread
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.distinctUntilChanged
+import com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.kotlin.KotlinModule
+import net.taler.wallet.backend.WalletBackendApi
+import net.taler.wallet.history.HistoryManager
+import net.taler.wallet.payment.PaymentManager
+import net.taler.wallet.pending.PendingOperationsManager
+import net.taler.wallet.withdraw.WithdrawManager
+import org.json.JSONObject
+
+const val TAG = "taler-wallet"
+
+data class BalanceItem(val available: Amount, val pendingIncoming: Amount)
+
+class WalletViewModel(val app: Application) : AndroidViewModel(app) {
+
+ private val mBalances = MutableLiveData<List<BalanceItem>>()
+ val balances: LiveData<List<BalanceItem>> = mBalances.distinctUntilChanged()
+
+ val devMode = MutableLiveData(BuildConfig.DEBUG)
+ val showProgressBar = MutableLiveData<Boolean>()
+
+ private var activeGetBalance = 0
+
+ private val walletBackendApi = WalletBackendApi(app, {
+ activeGetBalance = 0
+ loadBalances()
+ pendingOperationsManager.getPending()
+ }) {
+ Log.i(TAG, "Received notification from wallet-core")
+ loadBalances()
+ pendingOperationsManager.getPending()
+ }
+
+ private val mapper = ObjectMapper()
+ .registerModule(KotlinModule())
+ .configure(FAIL_ON_UNKNOWN_PROPERTIES, false)
+
+ val withdrawManager = WithdrawManager(walletBackendApi)
+ val paymentManager = PaymentManager(walletBackendApi, mapper)
+ val pendingOperationsManager: PendingOperationsManager =
+ PendingOperationsManager(walletBackendApi)
+ val historyManager = HistoryManager(walletBackendApi, mapper)
+
+ override fun onCleared() {
+ walletBackendApi.destroy()
+ super.onCleared()
+ }
+
+ @UiThread
+ fun loadBalances() {
+ if (activeGetBalance > 0) {
+ return
+ }
+ activeGetBalance++
+ showProgressBar.value = true
+ walletBackendApi.sendRequest("getBalances", null) { isError, result ->
+ activeGetBalance--
+ if (isError) {
+ return@sendRequest
+ }
+ val balanceList = mutableListOf<BalanceItem>()
+ val byCurrency = result.getJSONObject("byCurrency")
+ val currencyList = byCurrency.keys().asSequence().toList().sorted()
+ for (currency in currencyList) {
+ val jsonAmount = byCurrency.getJSONObject(currency)
+ .getJSONObject("available")
+ val amount = Amount.fromJson(jsonAmount)
+ val jsonAmountIncoming = byCurrency.getJSONObject(currency)
+ .getJSONObject("pendingIncoming")
+ val amountIncoming = Amount.fromJson(jsonAmountIncoming)
+ balanceList.add(BalanceItem(amount, amountIncoming))
+ }
+ mBalances.postValue(balanceList)
+ showProgressBar.postValue(false)
+ }
+ }
+
+ @UiThread
+ fun dangerouslyReset() {
+ walletBackendApi.sendRequest("reset", null)
+ withdrawManager.testWithdrawalInProgress.value = false
+ mBalances.value = emptyList()
+ }
+
+ fun startTunnel() {
+ walletBackendApi.sendRequest("startTunnel", null)
+ }
+
+ fun stopTunnel() {
+ walletBackendApi.sendRequest("stopTunnel", null)
+ }
+
+ fun tunnelResponse(resp: String) {
+ val respJson = JSONObject(resp)
+ walletBackendApi.sendRequest("tunnelResponse", respJson)
+ }
+
+}