Restore backups in background
parent
c37f795dac
commit
008f2d705a
GPG Key ID:
676DEE768C17A9D7
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package org.koitharu.kotatsu.core.util.progress
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data class Progress(
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val progress: Int,
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val total: Int,
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) : Comparable<Progress> {
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val percent: Float
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get() = if (total == 0) 0f else progress / total.toFloat()
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val isEmpty: Boolean
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get() = progress == 0
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val isFull: Boolean
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get() = progress == total
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override fun compareTo(other: Progress): Int = if (total == other.total) {
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progress.compareTo(other.progress)
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} else {
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percent.compareTo(other.percent)
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}
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operator fun inc() = if (isFull) {
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this
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} else {
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copy(
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progress = progress + 1,
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total = total,
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)
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}
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operator fun dec() = if (isEmpty) {
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this
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} else {
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copy(
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progress = progress - 1,
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total = total,
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)
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}
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operator fun plus(child: Progress) = Progress(
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progress = progress * child.total + child.progress,
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total = total * child.total,
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)
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fun percentSting() = (percent * 100f).toInt().toString()
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}
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package org.koitharu.kotatsu.settings.backup
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import android.annotation.SuppressLint
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import android.app.Notification
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import android.content.Context
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import android.content.Intent
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import android.content.pm.ServiceInfo
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import android.net.Uri
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import androidx.core.app.NotificationChannelCompat
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import androidx.core.app.NotificationCompat
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import androidx.core.app.NotificationManagerCompat
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import androidx.core.app.PendingIntentCompat
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import androidx.core.content.ContextCompat
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import dagger.hilt.android.AndroidEntryPoint
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.flow.flow
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import kotlinx.coroutines.runInterruptible
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import org.koitharu.kotatsu.R
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import org.koitharu.kotatsu.core.ErrorReporterReceiver
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import org.koitharu.kotatsu.core.backup.BackupEntry
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import org.koitharu.kotatsu.core.backup.BackupRepository
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import org.koitharu.kotatsu.core.backup.BackupZipInput
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import org.koitharu.kotatsu.core.backup.CompositeResult
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import org.koitharu.kotatsu.core.nav.AppRouter
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import org.koitharu.kotatsu.core.ui.CoroutineIntentService
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import org.koitharu.kotatsu.core.util.ext.checkNotificationPermission
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import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
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import org.koitharu.kotatsu.core.util.ext.getFileDisplayName
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import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
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import org.koitharu.kotatsu.core.util.ext.toUriOrNull
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import org.koitharu.kotatsu.core.util.progress.Progress
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import org.koitharu.kotatsu.parsers.util.mapToArray
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import org.koitharu.kotatsu.parsers.util.nullIfEmpty
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import java.io.File
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import java.io.FileNotFoundException
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import java.util.EnumSet
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import javax.inject.Inject
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import com.google.android.material.R as materialR
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@AndroidEntryPoint
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class RestoreService : CoroutineIntentService() {
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@Inject
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lateinit var repository: BackupRepository
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private lateinit var notificationManager: NotificationManagerCompat
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override fun onCreate() {
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super.onCreate()
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notificationManager = NotificationManagerCompat.from(applicationContext)
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}
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override suspend fun IntentJobContext.processIntent(intent: Intent) {
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startForeground(this)
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val uri = intent.getStringExtra(AppRouter.KEY_DATA)?.toUriOrNull() ?: throw FileNotFoundException()
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val displayName = contentResolver.getFileDisplayName(uri)
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val entries = intent.getIntArrayExtra(AppRouter.KEY_ENTRIES)
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?.mapTo(EnumSet.noneOf(BackupEntry.Name::class.java)) { BackupEntry.Name.entries[it] }
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if (entries.isNullOrEmpty()) {
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throw IllegalArgumentException("No entries specified")
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}
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val result = runInterruptible(Dispatchers.IO) {
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val tempFile = File.createTempFile("backup_", ".tmp")
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(contentResolver.openInputStream(uri) ?: throw FileNotFoundException()).use { input ->
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tempFile.outputStream().use { output ->
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input.copyTo(output)
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}
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}
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BackupZipInput.from(tempFile)
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}.use { backupInput ->
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restoreImpl(displayName, backupInput, entries)
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}
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if (applicationContext.checkNotificationPermission(CHANNEL_ID)) {
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val notification = buildNotification(displayName, result)
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notificationManager.notify(TAG, startId, notification)
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}
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}
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override fun IntentJobContext.onError(error: Throwable) {
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if (applicationContext.checkNotificationPermission(CHANNEL_ID)) {
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val result = CompositeResult()
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result += error
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val notification = buildNotification(null, result)
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notificationManager.notify(TAG, startId, notification)
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}
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}
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private suspend fun IntentJobContext.restoreImpl(
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displayName: String?,
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input: BackupZipInput,
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entries: Set<BackupEntry.Name>
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): CompositeResult {
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val result = CompositeResult()
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val showNotification = applicationContext.checkNotificationPermission(CHANNEL_ID)
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var progress = Progress(0, entries.size)
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fun notify(childProgress: Progress? = null) {
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if (showNotification) {
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val p = childProgress?.let { progress + it } ?: progress
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notificationManager.notify(FOREGROUND_NOTIFICATION_ID, buildNotification(displayName, p))
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}
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}
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notify()
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if (BackupEntry.Name.HISTORY in entries) {
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input.getEntry(BackupEntry.Name.HISTORY)?.let {
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flow {
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result += repository.restoreHistory(it, this)
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}.collect { p ->
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notify(p)
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}
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}
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progress++
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}
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notify()
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if (BackupEntry.Name.CATEGORIES in entries) {
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input.getEntry(BackupEntry.Name.CATEGORIES)?.let {
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result += repository.restoreCategories(it)
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}
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progress++
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}
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notify()
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if (BackupEntry.Name.FAVOURITES in entries) {
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input.getEntry(BackupEntry.Name.FAVOURITES)?.let {
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flow {
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result += repository.restoreFavourites(it, this)
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}.collect { p ->
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notify(p)
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}
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}
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}
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notify()
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if (BackupEntry.Name.BOOKMARKS in entries) {
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input.getEntry(BackupEntry.Name.BOOKMARKS)?.let {
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result += repository.restoreBookmarks(it)
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}
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progress++
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}
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notify()
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if (BackupEntry.Name.SOURCES in entries) {
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input.getEntry(BackupEntry.Name.SOURCES)?.let {
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result += repository.restoreSources(it)
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}
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progress++
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}
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notify()
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if (BackupEntry.Name.SETTINGS in entries) {
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input.getEntry(BackupEntry.Name.SETTINGS)?.let {
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result += repository.restoreSettings(it)
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}
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progress++
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}
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notify()
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return result
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}
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@SuppressLint("InlinedApi")
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private fun startForeground(jobContext: IntentJobContext) {
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val channel = NotificationChannelCompat.Builder(CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_LOW)
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.setName(getString(R.string.restoring_backup))
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.setShowBadge(true)
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.setVibrationEnabled(false)
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.setSound(null, null)
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.setLightsEnabled(false)
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.build()
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notificationManager.createNotificationChannel(channel)
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val notification = jobContext.buildNotification(null, null)
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jobContext.setForeground(
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FOREGROUND_NOTIFICATION_ID,
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notification,
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ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC,
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)
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}
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private fun IntentJobContext.buildNotification(fileName: String?, progress: Progress?): Notification {
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return NotificationCompat.Builder(applicationContext, CHANNEL_ID)
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.setContentTitle(getString(R.string.restoring_backup))
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.setPriority(NotificationCompat.PRIORITY_LOW)
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.setDefaults(0)
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.setSilent(true)
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.setOngoing(true)
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.setProgress(progress?.total ?: 0, progress?.progress ?: 0, progress == null)
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.setContentText(
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concatStrings(
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context = this@RestoreService,
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a = fileName,
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b = progress?.run { getString(R.string.percent_string_pattern, percentSting()) },
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),
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)
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.setSmallIcon(android.R.drawable.stat_sys_download)
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.setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_IMMEDIATE)
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.setCategory(NotificationCompat.CATEGORY_PROGRESS)
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.addAction(
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materialR.drawable.material_ic_clear_black_24dp,
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applicationContext.getString(android.R.string.cancel),
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getCancelIntent(),
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).build()
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}
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private fun buildNotification(fileName: String?, result: CompositeResult): Notification {
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val notification = NotificationCompat.Builder(applicationContext, CHANNEL_ID)
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.setPriority(NotificationCompat.PRIORITY_DEFAULT)
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.setDefaults(0)
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.setSilent(true)
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.setAutoCancel(true)
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.setSubText(fileName)
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when {
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result.isEmpty -> notification.setContentTitle(getString(R.string.data_not_restored))
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.setContentText(getString(R.string.data_not_restored_text))
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.setSmallIcon(android.R.drawable.stat_notify_error)
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result.isAllSuccess -> notification.setContentTitle(getString(R.string.data_restored))
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.setContentText(getString(R.string.data_restored_success))
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.setSmallIcon(R.drawable.ic_stat_done)
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result.isAllFailed -> notification.setContentTitle(getString(R.string.error))
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.setContentText(
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result.failures.map { it.getDisplayMessage(resources) }.distinct().joinToString("\n"),
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)
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.setSmallIcon(android.R.drawable.stat_notify_error)
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else -> notification.setContentTitle(getString(R.string.data_restored))
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.setContentText(getString(R.string.data_restored_with_errors))
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.setSmallIcon(R.drawable.ic_stat_done)
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}
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result.failures.firstOrNull()?.let { error ->
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ErrorReporterReceiver.getPendingIntent(applicationContext, error)?.let { reportIntent ->
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notification.addAction(
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R.drawable.ic_alert_outline,
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applicationContext.getString(R.string.report),
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reportIntent,
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)
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}
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}
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notification.setContentIntent(
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PendingIntentCompat.getActivity(
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applicationContext,
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0,
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AppRouter.homeIntent(this),
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0,
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false,
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),
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)
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return notification.build()
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}
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private fun concatStrings(context: Context, a: String?, b: String?): String? = when {
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a.isNullOrEmpty() && b.isNullOrEmpty() -> null
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a.isNullOrEmpty() -> b?.nullIfEmpty()
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b.isNullOrEmpty() -> a.nullIfEmpty()
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else -> context.getString(R.string.download_summary_pattern, a, b)
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}
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companion object {
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private const val TAG = "restore"
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private const val CHANNEL_ID = "restore_backup"
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private const val FOREGROUND_NOTIFICATION_ID = 39
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fun start(context: Context, uri: Uri, entries: Set<BackupEntry.Name>): Boolean = try {
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val intent = Intent(context, RestoreService::class.java)
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intent.putExtra(AppRouter.KEY_DATA, uri.toString())
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intent.putExtra(AppRouter.KEY_ENTRIES, entries.mapToArray { it.ordinal }.toIntArray())
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ContextCompat.startForegroundService(context, intent)
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true
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} catch (e: Exception) {
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e.printStackTraceDebug()
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false
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}
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}
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}
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