feat: refactor backup related code

app/build.gradle

@@ -6,6 +6,7 @@ apply plugin: "kotlin-android"
 apply plugin: "kotlin-kapt"
 apply from: "../download-libwallet.gradle"
 apply plugin: "io.sentry.android.gradle"
+apply plugin: 'kotlin-parcelize'
 
 android {
     namespace "com.tari.android.wallet"

app/src/main/java/com/tari/android/wallet/application/securityStage/StagedWalletSecurityManager.kt

@@ -44,7 +44,7 @@ class StagedWalletSecurityManager : CommonViewModel() {
         get() = tariSettingsSharedRepository.hasVerifiedSeedWords
 
     val isBackupOn
-        get() = backupPrefsRepository.getOptionList.any { it.isEnable }
+        get() = backupPrefsRepository.optionList.any { it.isEnabled }
 
     val isBackupPasswordSet
         get() = !backupPrefsRepository.backupPassword.isNullOrEmpty()
@@ -117,7 +117,7 @@ class StagedWalletSecurityManager : CommonViewModel() {
 
     private fun openStage1() {
         dismissDialog.postValue(Unit)
-        tariNavigator?.let {
+        tariNavigator.let {
             it.toAllSettings()
             it.toBackupSettings(false)
             it.toWalletBackupWithRecoveryPhrase()
@@ -136,7 +136,7 @@ class StagedWalletSecurityManager : CommonViewModel() {
 
     private fun openStage1B() {
         dismissDialog.postValue(Unit)
-        tariNavigator?.let {
+        tariNavigator.let {
             it.toAllSettings()
             it.toBackupSettings(true)
         }
@@ -154,7 +154,7 @@ class StagedWalletSecurityManager : CommonViewModel() {
 
     private fun openStage2() {
         dismissDialog.postValue(Unit)
-        tariNavigator?.let {
+        tariNavigator.let {
             it.toAllSettings()
             it.toBackupSettings(false)
             it.toChangePassword()

app/src/main/java/com/tari/android/wallet/event/EffectChannelFlow.kt

@@ -0,0 +1,14 @@
+package com.tari.android.wallet.event
+
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.receiveAsFlow
+
+class EffectChannelFlow<Effect : Any> {
+    private val channel: Channel<Effect> = Channel(Channel.CONFLATED)
+    val flow: Flow<Effect> = channel.receiveAsFlow()
+
+    suspend fun send(effect: Effect) {
+        channel.send(effect)
+    }
+}

app/src/main/java/com/tari/android/wallet/extension/FlowExtensions.kt

@@ -0,0 +1,13 @@
+package com.tari.android.wallet.extension
+
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+
+inline fun LifecycleOwner.launchAndRepeatOnLifecycle(
+    state: Lifecycle.State,
+    crossinline block: suspend CoroutineScope.() -> Unit,
+) = lifecycleScope.launch { repeatOnLifecycle(state) { block() } }

app/src/main/java/com/tari/android/wallet/infrastructure/backup/BackupManager.kt

@@ -45,7 +45,7 @@ import com.tari.android.wallet.infrastructure.backup.googleDrive.GoogleDriveBack
 import com.tari.android.wallet.infrastructure.backup.local.LocalBackupStorage
 import com.tari.android.wallet.notification.NotificationHelper
 import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptionDto
-import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptions
+import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptionType
 import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupSettingsRepository
 import io.reactivex.subjects.BehaviorSubject
 import kotlinx.coroutines.CoroutineScope
@@ -72,8 +72,6 @@ class BackupManager @Inject constructor(
     private val logger
         get() = Logger.t(BackupManager::class.simpleName)
 
-    var currentOption: BackupOptions? = BackupOptions.Dropbox
-
     private val coroutineContext = Job()
     private var localScope = CoroutineScope(coroutineContext)
 
@@ -85,35 +83,34 @@ class BackupManager @Inject constructor(
         .subscribe()
 
     init {
-        val backupsState = BackupsState(backupSettingsRepository.getOptionList.associate { Pair(it.type, getBackupStateByOption(it)) })
+        val backupsState = BackupsState(backupSettingsRepository.optionList.associate { dto -> Pair(dto.type, dto.toBackupState()) })
         EventBus.backupState.post(backupsState)
 
         EventBus.subscribe<Event.App.AppBackgrounded>(this) { trigger.onNext(Unit) }
         EventBus.subscribe<Event.App.AppForegrounded>(this) { trigger.onNext(Unit) }
     }
 
-    fun setupStorage(option: BackupOptions, hostFragment: Fragment) {
-        currentOption = option
-        getStorageByOption(option).setup(hostFragment)
+    fun setupStorage(optionType: BackupOptionType, hostFragment: Fragment) {
+        optionType.getStorage().setup(hostFragment)
     }
 
-    suspend fun onSetupActivityResult(requestCode: Int, resultCode: Int, intent: Intent?): Boolean =
-        currentOption?.let { getStorageByOption(it).onSetupActivityResult(requestCode, resultCode, intent) } ?: false
+    suspend fun onSetupActivityResult(optionType: BackupOptionType, requestCode: Int, resultCode: Int, intent: Intent?): Boolean =
+        optionType.getStorage().onSetupActivityResult(requestCode, resultCode, intent)
 
     fun backupNow() = trigger.onNext(Unit)
 
-    private suspend fun backupAll() = backupSettingsRepository.getOptionList.forEach { backup(it.type) }
+    private suspend fun backupAll() = backupSettingsRepository.optionList.forEach { backup(it.type) }
 
-    private suspend fun backup(optionType: BackupOptions) = backupMutex.withLock {
-        val currentDto = backupSettingsRepository.getOptionList.firstOrNull { it.type == optionType } ?: return
-        if (!currentDto.isEnable) {
-            logger.d("Backup is disabled. Exit.")
+    private suspend fun backup(optionType: BackupOptionType) = backupMutex.withLock {
+        val currentDto = backupSettingsRepository.findOption(optionType)
+        if (!currentDto.isEnabled) {
+            logger.i("Backup is disabled for $optionType. Exit.")
             return
         }
 
         val backupsState = EventBus.backupState.publishSubject.value!!.copy()
         if (backupsState.backupsStates[optionType] is BackupState.BackupInProgress) {
-            logger.d("Backup is in progress. Exit.")
+            logger.i("Backup is in progress for $optionType. Exit.")
             return
         }
 
@@ -122,65 +119,63 @@ class BackupManager @Inject constructor(
             EventBus.backupState.post(newState)
         }
 
-        logger.i("Backup started")
+        logger.i("Backup started for $optionType")
         updateState(BackupState.BackupInProgress)
         try {
-            val backupDate = getStorageByOption(optionType).backup()
+            val backupDate = optionType.getStorage().backup()
             backupSettingsRepository.updateOption(
                 currentDto.copy(
-                    isEnable = true,
+                    isEnabled = true,
                     lastSuccessDate = SerializableTime(backupDate),
                     lastFailureDate = null
                 )
             )
-            logger.i("Backup successful")
+            logger.i("Backup successful for $optionType")
             updateState(BackupState.BackupUpToDate)
         } catch (exception: Throwable) {
-            logger.i("Backup failed $exception")
+            logger.e("Backup failed for $optionType: ${exception.message}")
             if (exception is BackupStorageAuthRevokedException) {
-                logger.i("Error happened on backup BackupStorageAuthRevokedException")
+                logger.e("BackupStorageAuthRevokedException happened during backup: ${exception.message}")
                 turnOff(optionType)
                 postBackupFailedNotification(exception)
             }
-            logger.i("Error happened while backing up")
             updateState(BackupState.BackupFailed(exception))
             backupSettingsRepository.updateOption(currentDto.copy(lastSuccessDate = null, lastFailureDate = SerializableTime(DateTime.now())))
         }
     }
 
     fun turnOffAll() = localScope.launch {
-        backupSettingsRepository.getOptionList.forEach { turnOff(it.type) }
+        backupSettingsRepository.optionList.forEach { turnOff(it.type) }
     }
 
-    fun turnOff(optionType: BackupOptions) = with(backupMutex) {
+    fun turnOff(optionType: BackupOptionType) = with(backupMutex) {
         val backupsState = EventBus.backupState.publishSubject.value!!.copy()
         backupSettingsRepository.updateOption(BackupOptionDto(optionType))
         backupSettingsRepository.backupPassword = null
         val newState =
             backupsState.copy(backupsStates = backupsState.backupsStates.toMutableMap().also { it[optionType] = BackupState.BackupDisabled })
         EventBus.backupState.post(newState)
-        val backupStorage = getStorageByOption(optionType)
-        localScope.launch { backupStorage.signOut() }
+        localScope.launch { optionType.getStorage().signOut() }
     }
 
-    suspend fun signOut() {
-        getStorageByOption(currentOption!!).signOut()
+    suspend fun signOut(optionType: BackupOptionType) {
+        optionType.getStorage().signOut()
     }
 
-    suspend fun restoreLatestBackup(password: String? = null) = backupMutex.withLock {
-        getStorageByOption(currentOption!!).restoreLatestBackup(password)
+    suspend fun restoreLatestBackup(optionType: BackupOptionType, password: String? = null) = backupMutex.withLock {
+        optionType.getStorage().restoreLatestBackup(password)
     }
 
-    private fun getBackupStateByOption(optionDto: BackupOptionDto): BackupState = when {
-        !optionDto.isEnable -> BackupState.BackupDisabled
-        optionDto.lastFailureDate != null -> BackupState.BackupFailed()
+    private fun BackupOptionDto.toBackupState(): BackupState = when {
+        !this.isEnabled -> BackupState.BackupDisabled
+        this.lastFailureDate != null -> BackupState.BackupFailed()
         else -> BackupState.BackupUpToDate
     }
 
-    private fun getStorageByOption(optionType: BackupOptions): BackupStorage = when (optionType) {
-        BackupOptions.Google -> googleDriveBackupStorage
-        BackupOptions.Local -> localFileBackupStorage
-        BackupOptions.Dropbox -> dropboxBackupStorage
+    private fun BackupOptionType.getStorage(): BackupStorage = when (this) {
+        BackupOptionType.Google -> googleDriveBackupStorage
+        BackupOptionType.Local -> localFileBackupStorage
+        BackupOptionType.Dropbox -> dropboxBackupStorage
     }
 
     private fun postBackupFailedNotification(exception: Exception) {

app/src/main/java/com/tari/android/wallet/infrastructure/backup/BackupsState.kt

@@ -1,8 +1,8 @@
 package com.tari.android.wallet.infrastructure.backup
 
-import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptions
+import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptionType
 
-data class BackupsState(val backupsStates: Map<BackupOptions, BackupState>) {
+data class BackupsState(val backupsStates: Map<BackupOptionType, BackupState>) {
 
     val backupsState: BackupState
         get() {

app/src/main/java/com/tari/android/wallet/ui/extension/FragmentExtensions.kt

@@ -38,6 +38,7 @@ import androidx.annotation.ColorRes
 import androidx.annotation.DimenRes
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
+import androidx.core.os.bundleOf
 import androidx.fragment.app.Fragment
 
 fun Fragment.string(@StringRes id: Int): String = requireContext().string(id)
@@ -53,4 +54,9 @@ fun Fragment.dimenPx(@DimenRes id: Int): Int = requireContext().dimenPx(id)
 
 fun Fragment.dimen(@DimenRes id: Int): Float = requireContext().dimen(id)
 
-fun Fragment.drawable(@DrawableRes id: Int): Drawable? = requireContext().drawable(id)
+fun Fragment.drawable(@DrawableRes id: Int): Drawable? = requireContext().drawable(id)
+
+inline fun <reified T : Fragment> T.withArgs(vararg pairs: Pair<String, Any?>): T {
+    arguments = bundleOf(*pairs)
+    return this
+}

app/src/main/java/com/tari/android/wallet/ui/fragment/home/navigation/Navigation.kt

@@ -8,6 +8,7 @@ import com.tari.android.wallet.ui.fragment.contact_book.data.contacts.ContactDto
 import com.tari.android.wallet.ui.fragment.contact_book.data.contacts.YatDto
 import com.tari.android.wallet.ui.fragment.pinCode.PinCodeScreenBehavior
 import com.tari.android.wallet.ui.fragment.send.common.TransactionData
+import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptionType
 
 sealed class Navigation {
 
@@ -111,7 +112,7 @@ sealed class Navigation {
     }
 
     sealed class ChooseRestoreOptionNavigation : Navigation() {
-        object ToEnterRestorePassword : ChooseRestoreOptionNavigation()
+        data class ToEnterRestorePassword(val optionType: BackupOptionType) : ChooseRestoreOptionNavigation()
 
         object ToRestoreWithRecoveryPhrase : ChooseRestoreOptionNavigation()
 

app/src/main/java/com/tari/android/wallet/ui/fragment/home/navigation/TariNavigator.kt

@@ -68,6 +68,7 @@ import com.tari.android.wallet.ui.fragment.settings.backgroundService.Background
 import com.tari.android.wallet.ui.fragment.settings.backup.backupOnboarding.BackupOnboardingFlowFragment
 import com.tari.android.wallet.ui.fragment.settings.backup.backupSettings.BackupSettingsFragment
 import com.tari.android.wallet.ui.fragment.settings.backup.changeSecurePassword.ChangeSecurePasswordFragment
+import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptionType
 import com.tari.android.wallet.ui.fragment.settings.backup.enterCurrentPassword.EnterCurrentPasswordFragment
 import com.tari.android.wallet.ui.fragment.settings.backup.verifySeedPhrase.VerifySeedPhraseFragment
 import com.tari.android.wallet.ui.fragment.settings.backup.writeDownSeedWords.WriteDownSeedPhraseFragment
@@ -110,7 +111,7 @@ class TariNavigator @Inject constructor(val prefs: SharedPrefsRepository, val ta
             is ContactBookNavigation.ToContactTransactionHistory -> toContactTransactionHistory(navigation.contact)
             is ContactBookNavigation.ToAddPhoneContact -> toAddPhoneContact()
             is ContactBookNavigation.ToSelectTariUser -> addFragment(SelectUserContactFragment.newInstance())
-            Navigation.ChooseRestoreOptionNavigation.ToEnterRestorePassword -> toEnterRestorePassword()
+            is Navigation.ChooseRestoreOptionNavigation.ToEnterRestorePassword -> toEnterRestorePassword(navigation.optionType)
             Navigation.ChooseRestoreOptionNavigation.OnRestoreCompleted -> onRestoreCompleted()
             Navigation.ChooseRestoreOptionNavigation.ToRestoreWithRecoveryPhrase -> toRestoreWithRecoveryPhrase()
             AllSettingsNavigation.ToBugReporting -> DebugActivity.launch(activity, DebugNavigation.BugReport)
@@ -165,7 +166,6 @@ class TariNavigator @Inject constructor(val prefs: SharedPrefsRepository, val ta
             }
 
             Navigation.ChatNavigation.ToAddChat -> addFragment(AddChatFragment())
-            else -> Unit
         }
     }
 
@@ -181,7 +181,7 @@ class TariNavigator @Inject constructor(val prefs: SharedPrefsRepository, val ta
         activity.startActivity(intent)
     }
 
-    fun toEnterRestorePassword() = addFragment(EnterRestorationPasswordFragment.newInstance())
+    fun toEnterRestorePassword(optionType: BackupOptionType) = addFragment(EnterRestorationPasswordFragment.newInstance(optionType))
 
     fun toRestoreWithRecoveryPhrase() = addFragment(InputSeedWordsFragment.newInstance())
 

app/src/main/java/com/tari/android/wallet/ui/fragment/restore/chooseRestoreOption/ChooseRestoreOptionFragment.kt

@@ -39,13 +39,16 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.core.view.children
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.Lifecycle
 import com.tari.android.wallet.databinding.FragmentChooseRestoreOptionBinding
-import com.tari.android.wallet.extension.observe
+import com.tari.android.wallet.extension.launchAndRepeatOnLifecycle
 import com.tari.android.wallet.ui.common.CommonFragment
-import com.tari.android.wallet.ui.fragment.home.navigation.Navigation
+import com.tari.android.wallet.ui.fragment.restore.chooseRestoreOption.ChooseRestoreOptionModel.Effect
 import com.tari.android.wallet.ui.fragment.restore.chooseRestoreOption.option.RecoveryOptionView
 import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptionDto
-import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptions
+import com.tari.android.wallet.ui.fragment.settings.backup.data.BackupOptionType
+import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.launch
 
 class ChooseRestoreOptionFragment : CommonFragment<FragmentChooseRestoreOptionBinding, ChooseRestoreOptionViewModel>() {
 
@@ -75,45 +78,50 @@ class ChooseRestoreOptionFragment : CommonFragment<FragmentChooseRestoreOptionBi
     }
 
     private fun setupUI() = with(ui) {
-        restoreWithRecoveryPhraseCtaView.setOnClickListener { viewModel.navigation.postValue(Navigation.ChooseRestoreOptionNavigation.ToRestoreWithRecoveryPhrase) }
+        restoreWithRecoveryPhraseCtaView.setOnClickListener { viewModel.navigateToRecoveryPhrase() }
     }
 
-    private fun startRecovery(options: BackupOptions) {
-        viewModel.startRestore(options)
-        viewModel.backupManager.setupStorage(options, this)
-    }
-
-    private fun observeUI() = with(viewModel) {
-        observe(state) { processState(it) }
+    private fun observeUI() {
+        viewLifecycleOwner.launchAndRepeatOnLifecycle(Lifecycle.State.STARTED) {
+            launch {
+                viewModel.effect.collect { effect ->
+                    when (effect) {
+                        is Effect.BeginProgress -> updateProgress(effect.optionType, isStarted = true)
+                        is Effect.EndProgress -> updateProgress(effect.optionType, isStarted = false)
+                        is Effect.SetupStorage -> effect.backupManager.setupStorage(
+                            optionType = effect.optionType,
+                            hostFragment = this@ChooseRestoreOptionFragment,
+                        )
+                    }
+                }
+            }
 
-        observe(options) { initOptions(it) }
+            launch {
+                viewModel.uiState.filterNotNull().collect { state ->
+                    initOptions(state.options)
+                }
+            }
+        }
     }
 
     private fun initOptions(options: List<BackupOptionDto>) {
+        ui.optionsContainer.removeAllViews()
         for (option in options) {
             val view = RecoveryOptionView(requireContext()).apply {
                 viewLifecycle = viewLifecycleOwner
-                ui.restoreWalletCtaView.setOnClickListener { startRecovery(option.type) }
+                ui.restoreWalletCtaView.setOnClickListener { [email protected](option.type) }
                 init(option.type)
             }
             ui.optionsContainer.addView(view)
         }
     }
 
-    private fun processState(state: ChooseRestoreOptionState) {
-        when (state) {
-            is ChooseRestoreOptionState.BeginProgress -> updateProgress(state.backupOptions, true)
-            is ChooseRestoreOptionState.EndProgress -> updateProgress(state.backupOptions, false)
-        }
-    }
-
-
-    private fun updateProgress(backupOptions: BackupOptions, isStarted: Boolean) {
+    private fun updateProgress(optionType: BackupOptionType, isStarted: Boolean) {
         blockingBackPressDispatcher.isEnabled = isStarted
-        getBackupOptionView(backupOptions)?.updateLoading(isStarted)
+        getBackupOptionView(optionType)?.updateLoading(isStarted)
     }
 
-    private fun getBackupOptionView(backupOptions: BackupOptions): RecoveryOptionView? =
-        ui.optionsContainer.children.mapNotNull { it as? RecoveryOptionView }.firstOrNull { it.viewModel.option == backupOptions }
+    private fun getBackupOptionView(optionType: BackupOptionType): RecoveryOptionView? =
+        ui.optionsContainer.children.mapNotNull { it as? RecoveryOptionView }.firstOrNull { it.viewModel.option == optionType }
 }