Merge branch '4322-main-backup' into 'main'

    <application

        android:name=".NotesApplication"

        android:allowBackup="true"

        android:backupAgent="foundation.e.notes.backup.NotesBackupAgent"

        android:fullBackupOnly="true"

        android:fullBackupContent="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

/*

 * Copyright (C) 2026 e Foundation

 *

 * This program 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 of the License, or

 * (at your option) any later version.

 *

 * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.

 */

package foundation.e.notes.backup

import android.app.backup.BackupAgent

import android.app.backup.BackupDataInput

import android.app.backup.BackupDataOutput

import android.os.ParcelFileDescriptor

import android.util.Log

import it.niedermann.owncloud.notes.persistence.NotesDatabase

import it.niedermann.owncloud.notes.shared.util.AccountSyncUtil

class NotesBackupAgent : BackupAgent() {

    override fun onBackup(

        oldState: ParcelFileDescriptor?,

        data: BackupDataOutput?,

        newState: ParcelFileDescriptor?

    ) {

        // Full Auto Backup handles the file payload.

    }

    override fun onRestore(

        data: BackupDataInput?,

        appVersionCode: Int,

        newState: ParcelFileDescriptor?

    ) {

        // Full Auto Backup handles the file payload.

    }

    override fun onRestoreFinished() {

        super.onRestoreFinished()

        runCatching {

            val accountDao = NotesDatabase

                .getInstance(applicationContext)

                .getAccountDao()

            // Non-local account such as murena account will be auto logged-in

            val removedAccounts = accountDao.getAccounts()

                .filterNot { AccountSyncUtil.isLocalAccount(applicationContext, it) }

                .onEach(accountDao::deleteAccount)

            Log.i(TAG, "Restore cleanup finished. Removed non-local accounts: ${removedAccounts.size}")

        }.onFailure {

            Log.e(TAG, "Failed to clean up restored accounts", it)

        }

    }

    companion object {

        private const val TAG = "NotesBackupAgent"

    }

}