diff options
Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/settings/SettingsManager.kt')
-rw-r--r-- | wallet/src/main/java/net/taler/wallet/settings/SettingsManager.kt | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/settings/SettingsManager.kt b/wallet/src/main/java/net/taler/wallet/settings/SettingsManager.kt new file mode 100644 index 0000000..8331d59 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/settings/SettingsManager.kt @@ -0,0 +1,171 @@ +/* + * 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.settings + +import android.content.Context +import android.net.Uri +import android.util.Log +import android.widget.Toast +import android.widget.Toast.LENGTH_LONG +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.launch +import kotlinx.coroutines.withContext +import kotlinx.serialization.encodeToString +import kotlinx.serialization.json.Json +import net.taler.wallet.R +import net.taler.wallet.backend.WalletBackendApi +import net.taler.wallet.backend.WalletResponse.Error +import net.taler.wallet.backend.WalletResponse.Success +import org.json.JSONObject + +class SettingsManager( + private val context: Context, + private val api: WalletBackendApi, + private val scope: CoroutineScope, +) { + fun exportLogcat(uri: Uri?) { + if (uri == null) { + onLogExportError() + return + } + scope.launch(Dispatchers.IO) { + try { + context.contentResolver.openOutputStream(uri, "wt")?.use { outputStream -> + val command = arrayOf("logcat", "-d", "*:V") + val proc = Runtime.getRuntime().exec(command) + proc.inputStream.copyTo(outputStream) + } ?: onLogExportError() + } catch (e: Exception) { + Log.e(SettingsManager::class.simpleName, "Error exporting log: ", e) + onLogExportError() + return@launch + } + withContext(Dispatchers.Main) { + Toast.makeText(context, R.string.settings_logcat_success, LENGTH_LONG).show() + } + } + } + + private fun onLogExportError() { + Toast.makeText(context, R.string.settings_logcat_error, LENGTH_LONG).show() + } + + fun exportDb(uri: Uri?) { + if (uri == null) { + onDbExportError() + return + } + + scope.launch(Dispatchers.IO) { + when (val response = api.rawRequest("exportDb")) { + is Success -> { + try { + context.contentResolver.openOutputStream(uri, "wt")?.use { outputStream -> + val data = Json.encodeToString(response.result) + val writer = outputStream.bufferedWriter() + writer.write(data) + writer.close() + } + } catch(e: Exception) { + Log.e(SettingsManager::class.simpleName, "Error exporting db: ", e) + withContext(Dispatchers.Main) { + onDbExportError() + } + return@launch + } + + withContext(Dispatchers.Main) { + Toast.makeText(context, R.string.settings_db_export_success, LENGTH_LONG).show() + } + } + is Error -> { + Log.e(SettingsManager::class.simpleName, "Error exporting db: ${response.error}") + withContext(Dispatchers.Main) { + onDbExportError() + } + return@launch + } + } + } + } + + fun importDb(uri: Uri?) { + if (uri == null) { + onDbImportError() + return + } + + scope.launch(Dispatchers.IO) { + context.contentResolver.openInputStream(uri)?.use { inputStream -> + try { + val reader = inputStream.bufferedReader() + val strData = reader.readText() + reader.close() + val jsonData = JSONObject(strData) + when (val response = api.rawRequest("importDb") { + put("dump", jsonData) + }) { + is Success -> { + withContext(Dispatchers.Main) { + Toast.makeText(context, R.string.settings_db_import_success, LENGTH_LONG).show() + } + } + is Error -> { + Log.e(SettingsManager::class.simpleName, "Error importing db: ${response.error}") + withContext(Dispatchers.Main) { + onDbImportError() + } + return@launch + } + } + } catch (e: Exception) { + Log.e(SettingsManager::class.simpleName, "Error importing db: ", e) + withContext(Dispatchers.Main) { + onDbImportError() + } + return@launch + } + } + } + } + + fun clearDb(onSuccess: () -> Unit) { + scope.launch { + when (val response = api.rawRequest("clearDb")) { + is Success -> onSuccess() + is Error -> { + Log.e(SettingsManager::class.simpleName, "Error cleaning db: ${response.error}") + onDbClearError() + } + } + } + } + + private fun onDbExportError() { + Toast.makeText(context, R.string.settings_db_export_error, LENGTH_LONG).show() + } + + private fun onDbImportError() { + Toast.makeText(context, R.string.settings_db_import_error, LENGTH_LONG).show() + } + + private fun onDbClearError() { + Toast.makeText(context, R.string.settings_db_clear_error, LENGTH_LONG).show() + } + +} |