Add export and import database settings

feature/settings/impl/src/main/java/br/com/sailboat/todozy/feature/settings/impl/di/SettingsModule.kt

@@ -17,6 +17,8 @@ import br.com.sailboat.todozy.feature.settings.impl.domain.usecase.SetAlarmVibra
 import br.com.sailboat.todozy.feature.settings.impl.domain.usecase.SetAlarmVibrateSettingUseCaseImpl
 import br.com.sailboat.todozy.feature.settings.impl.presentation.navigator.SettingsNavigatorImpl
 import br.com.sailboat.todozy.feature.settings.impl.presentation.viewmodel.SettingsViewModel
+import br.com.sailboat.todozy.utility.android.sqlite.DatabaseJsonBackupService
+import br.com.sailboat.todozy.utility.kotlin.LogService
 import org.koin.androidx.viewmodel.dsl.viewModel
 import org.koin.core.module.Module
 import org.koin.dsl.module
@@ -29,6 +31,8 @@ private val presentation =
                 setAlarmSoundSettingUseCase = get(),
                 getAlarmVibrateSettingUseCase = get(),
                 setAlarmVibrateSettingUseCase = get(),
+                databaseJsonBackupService = get<DatabaseJsonBackupService>(),
+                logService = get<LogService>(),
             )
         }
         factory<SettingsNavigator> { SettingsNavigatorImpl() }

feature/settings/impl/src/main/java/br/com/sailboat/todozy/feature/settings/impl/presentation/SettingsFragment.kt

@@ -1,10 +1,15 @@
 package br.com.sailboat.todozy.feature.settings.impl.presentation
 
+import android.app.Activity
 import android.media.RingtoneManager
+import android.net.Uri
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.Fragment
 import br.com.sailboat.todozy.feature.navigation.android.AboutNavigator
 import br.com.sailboat.todozy.feature.settings.impl.databinding.FrgSettingsBinding
@@ -22,6 +27,18 @@ internal class SettingsFragment : Fragment() {
 
     private lateinit var binding: FrgSettingsBinding
 
+    private val exportDatabaseLauncher =
+        registerForActivityResult(ActivityResultContracts.CreateDocument("application/json")) { uri ->
+            uri?.run {
+                viewModel.dispatchViewIntent(SettingsViewIntent.OnSelectExportDatabaseUri(uri))
+            }
+        }
+
+    private val importDatabaseLauncher =
+        registerForActivityResult(ActivityResultContracts.OpenDocument()) { uri ->
+            uri?.run { showConfirmImportDatabaseDialog(uri) }
+        }
+
     private val pickRingtoneLauncher =
         registerForActivityResult(PickRingtoneContract()) { uri ->
             uri?.run {
@@ -53,6 +70,7 @@ internal class SettingsFragment : Fragment() {
         initAbout()
         initCheckBoxVibrate()
         initToneVibrate()
+        initBackupViews()
     }
 
     private fun observeViewModel() {
@@ -75,6 +93,16 @@ internal class SettingsFragment : Fragment() {
             when (action) {
                 is SettingsViewAction.NavigateToAlarmToneSelector -> navigateToAlarmToneSelector(action)
                 is SettingsViewAction.NavigateToAbout -> navigateToAbout()
+                is SettingsViewAction.CreateDatabaseBackupDocument -> exportDatabaseLauncher.launch(action.fileName)
+                is SettingsViewAction.OpenDatabaseBackupDocument -> importDatabaseLauncher.launch(
+                    arrayOf(
+                        "application/json",
+                        "text/*",
+                    ),
+                )
+                is SettingsViewAction.ShowDatabaseExportSuccess -> showDatabaseExportSuccess()
+                is SettingsViewAction.ShowDatabaseImportSuccess -> showDatabaseImportSuccess()
+                is SettingsViewAction.ShowDatabaseBackupError -> showDatabaseBackupError()
             }
         }
     }
@@ -112,4 +140,37 @@ internal class SettingsFragment : Fragment() {
     private fun initToneVibrate() = with(binding) {
         flSettingsVibrate.setSafeClickListener { cbSettingsVibrate.performClick() }
     }
+
+    private fun initBackupViews() = with(binding) {
+        tvSettingsExportDatabase.setSafeClickListener {
+            viewModel.dispatchViewIntent(SettingsViewIntent.OnClickExportDatabase)
+        }
+        tvSettingsImportDatabase.setSafeClickListener {
+            viewModel.dispatchViewIntent(SettingsViewIntent.OnClickImportDatabase)
+        }
+    }
+
+    private fun showConfirmImportDatabaseDialog(uri: Uri) {
+        AlertDialog.Builder(requireContext())
+            .setTitle(UiR.string.are_you_sure)
+            .setMessage(getString(UiR.string.msg_confirm_database_import))
+            .setPositiveButton(UiR.string.import_action) { _, _ ->
+                viewModel.dispatchViewIntent(SettingsViewIntent.OnConfirmImportDatabase(uri))
+            }
+            .setNegativeButton(android.R.string.cancel, null)
+            .show()
+    }
+
+    private fun showDatabaseExportSuccess() {
+        Toast.makeText(activity, UiR.string.msg_database_exported, Toast.LENGTH_SHORT).show()
+    }
+
+    private fun showDatabaseImportSuccess() {
+        activity?.setResult(Activity.RESULT_OK)
+        Toast.makeText(activity, UiR.string.msg_database_imported, Toast.LENGTH_SHORT).show()
+    }
+
+    private fun showDatabaseBackupError() {
+        Toast.makeText(activity, UiR.string.msg_error, Toast.LENGTH_SHORT).show()
+    }
 }

feature/settings/impl/src/main/java/br/com/sailboat/todozy/feature/settings/impl/presentation/viewmodel/SettingsViewAction.kt

@@ -5,4 +5,9 @@ import android.net.Uri
 internal sealed class SettingsViewAction {
     object NavigateToAbout : SettingsViewAction()
     data class NavigateToAlarmToneSelector(val uri: Uri?) : SettingsViewAction()
+    data class CreateDatabaseBackupDocument(val fileName: String) : SettingsViewAction()
+    object OpenDatabaseBackupDocument : SettingsViewAction()
+    object ShowDatabaseExportSuccess : SettingsViewAction()
+    object ShowDatabaseImportSuccess : SettingsViewAction()
+    object ShowDatabaseBackupError : SettingsViewAction()
 }

feature/settings/impl/src/main/java/br/com/sailboat/todozy/feature/settings/impl/presentation/viewmodel/SettingsViewIntent.kt

@@ -6,6 +6,10 @@ internal sealed class SettingsViewIntent {
     object OnStart : SettingsViewIntent()
     object OnClickMenuAlarmTone : SettingsViewIntent()
     object OnClickAbout : SettingsViewIntent()
+    object OnClickExportDatabase : SettingsViewIntent()
+    object OnClickImportDatabase : SettingsViewIntent()
     data class OnClickVibrateAlarm(val vibrate: Boolean) : SettingsViewIntent()
     data class OnSelectAlarmTone(val uri: Uri) : SettingsViewIntent()
+    data class OnSelectExportDatabaseUri(val uri: Uri) : SettingsViewIntent()
+    data class OnConfirmImportDatabase(val uri: Uri) : SettingsViewIntent()
 }

feature/settings/impl/src/main/java/br/com/sailboat/todozy/feature/settings/impl/presentation/viewmodel/SettingsViewModel.kt

@@ -5,23 +5,35 @@ import br.com.sailboat.todozy.feature.settings.android.domain.usecase.GetAlarmSo
 import br.com.sailboat.todozy.feature.settings.domain.usecase.GetAlarmVibrateSettingUseCase
 import br.com.sailboat.todozy.feature.settings.impl.domain.usecase.SetAlarmSoundSettingUseCase
 import br.com.sailboat.todozy.feature.settings.impl.domain.usecase.SetAlarmVibrateSettingUseCase
+import br.com.sailboat.todozy.utility.android.sqlite.DatabaseJsonBackupService
 import br.com.sailboat.todozy.utility.android.viewmodel.BaseViewModel
+import br.com.sailboat.todozy.utility.kotlin.LogService
 import kotlinx.coroutines.launch
+import java.time.LocalDateTime
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
+import java.util.Locale
 
 internal class SettingsViewModel(
     override val viewState: SettingsViewState = SettingsViewState(),
     private val getAlarmSoundSettingUseCase: GetAlarmSoundSettingUseCase,
     private val setAlarmSoundSettingUseCase: SetAlarmSoundSettingUseCase,
     private val getAlarmVibrateSettingUseCase: GetAlarmVibrateSettingUseCase,
     private val setAlarmVibrateSettingUseCase: SetAlarmVibrateSettingUseCase,
+    private val databaseJsonBackupService: DatabaseJsonBackupService,
+    private val logService: LogService,
 ) : BaseViewModel<SettingsViewState, SettingsViewIntent>() {
     override fun dispatchViewIntent(viewIntent: SettingsViewIntent) {
         when (viewIntent) {
             is SettingsViewIntent.OnStart -> onStart()
             is SettingsViewIntent.OnClickMenuAlarmTone -> onClickMenuAlarmTone()
             is SettingsViewIntent.OnClickAbout -> onClickAbout()
+            is SettingsViewIntent.OnClickExportDatabase -> onClickExportDatabase()
+            is SettingsViewIntent.OnClickImportDatabase -> onClickImportDatabase()
             is SettingsViewIntent.OnClickVibrateAlarm -> onClickVibrateAlarm(viewIntent)
             is SettingsViewIntent.OnSelectAlarmTone -> onSelectAlarmTone(viewIntent)
+            is SettingsViewIntent.OnSelectExportDatabaseUri -> onSelectExportDatabaseUri(viewIntent)
+            is SettingsViewIntent.OnConfirmImportDatabase -> onConfirmImportDatabase(viewIntent)
         }
     }
 
@@ -39,6 +51,21 @@ internal class SettingsViewModel(
         viewState.viewAction.value = SettingsViewAction.NavigateToAbout
     }
 
+    private fun onClickExportDatabase() {
+        val timestamp =
+            LocalDateTime
+                .now(ZoneId.systemDefault())
+                .format(BACKUP_FILE_NAME_FORMATTER)
+        viewState.viewAction.value =
+            SettingsViewAction.CreateDatabaseBackupDocument(
+                "todozy-backup_$timestamp.json",
+            )
+    }
+
+    private fun onClickImportDatabase() {
+        viewState.viewAction.value = SettingsViewAction.OpenDatabaseBackupDocument
+    }
+
     private fun onClickVibrateAlarm(viewIntent: SettingsViewIntent.OnClickVibrateAlarm) {
         viewModelScope.launch {
             viewState.vibrate.value = viewIntent.vibrate
@@ -52,4 +79,36 @@ internal class SettingsViewModel(
             setAlarmSoundSettingUseCase(viewIntent.uri)
         }
     }
+
+    private fun onSelectExportDatabaseUri(viewIntent: SettingsViewIntent.OnSelectExportDatabaseUri) {
+        viewModelScope.launch {
+            try {
+                databaseJsonBackupService.exportToJson(viewIntent.uri)
+                viewState.viewAction.value = SettingsViewAction.ShowDatabaseExportSuccess
+            } catch (e: Exception) {
+                logService.error(e)
+                viewState.viewAction.value = SettingsViewAction.ShowDatabaseBackupError
+            }
+        }
+    }
+
+    private fun onConfirmImportDatabase(viewIntent: SettingsViewIntent.OnConfirmImportDatabase) {
+        viewModelScope.launch {
+            try {
+                databaseJsonBackupService.importFromJson(viewIntent.uri)
+                viewState.viewAction.value = SettingsViewAction.ShowDatabaseImportSuccess
+            } catch (e: Exception) {
+                logService.error(e)
+                viewState.viewAction.value = SettingsViewAction.ShowDatabaseBackupError
+            }
+        }
+    }
+
+    private companion object {
+        private val BACKUP_FILE_NAME_FORMATTER =
+            DateTimeFormatter.ofPattern(
+                "yyyyMMdd_HHmmss",
+                Locale.US,
+            )
+    }
 }

feature/settings/impl/src/main/res/layout/frg_settings.xml

@@ -84,6 +84,40 @@
 
     <include layout="@layout/divider" />
 
+    <TextView
+        style="@style/TextViewLabel"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingHorizontal="@dimen/spacing_medium"
+        android:paddingTop="@dimen/spacing_medium"
+        android:text="@string/backup" />
+
+    <TextView
+        android:id="@+id/tvSettingsExportDatabase"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:background="?attr/selectableItemBackground"
+        android:gravity="center_vertical"
+        android:paddingStart="@dimen/spacing_medium"
+        android:text="@string/export_database_json"
+        android:textColor="@color/md_blue_grey_700"
+        android:textSize="@dimen/text_size_small" />
+
+    <include layout="@layout/divider" />
+
+    <TextView
+        android:id="@+id/tvSettingsImportDatabase"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:background="?attr/selectableItemBackground"
+        android:gravity="center_vertical"
+        android:paddingStart="@dimen/spacing_medium"
+        android:text="@string/import_database_json"
+        android:textColor="@color/md_blue_grey_700"
+        android:textSize="@dimen/text_size_small" />
+
+    <include layout="@layout/divider" />
+
     <TextView
         android:id="@+id/tvSettingsAbout"
         android:layout_width="match_parent"
@@ -97,4 +131,4 @@
 
     <include layout="@layout/divider" />
 
-</LinearLayout>
+</LinearLayout>