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Try to show more relevant exception messages when failing to restore a backup

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This commit is contained in:
arkon 2022-01-26 22:43:27 -05:00
parent 76d2c676fd
commit b459234ddc
4 changed files with 30 additions and 15 deletions
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2
app/src/main/java/eu/kanade/tachiyomi/data/backup/AbstractBackupRestoreValidator.kt
View File

@ -14,3 +14,5 @@ abstract class AbstractBackupRestoreValidator {
data class Results(val missingSources: List<String>, val missingTrackers: List<String>)
}
class ValidatorParseException(e: Exception) : RuntimeException(e)

14
app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupRestoreValidator.kt
View File

@ -4,12 +4,14 @@ import android.content.Context
import android.net.Uri
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.data.backup.AbstractBackupRestoreValidator
import eu.kanade.tachiyomi.data.backup.ValidatorParseException
import eu.kanade.tachiyomi.data.backup.full.models.BackupSerializer
import okio.buffer
import okio.gzip
import okio.source
class FullBackupRestoreValidator : AbstractBackupRestoreValidator() {
/**
* Checks for critical backup file data.
*
@ -19,14 +21,20 @@ class FullBackupRestoreValidator : AbstractBackupRestoreValidator() {
override fun validate(context: Context, uri: Uri): Results {
val backupManager = FullBackupManager(context)
val backupString = context.contentResolver.openInputStream(uri)!!.source().gzip().buffer().use { it.readByteArray() }
val backup = backupManager.parser.decodeFromByteArray(BackupSerializer, backupString)
val backup = try {
val backupString =
context.contentResolver.openInputStream(uri)!!.source().gzip().buffer()
.use { it.readByteArray() }
backupManager.parser.decodeFromByteArray(BackupSerializer, backupString)
} catch (e: Exception) {
throw ValidatorParseException(e)
}
if (backup.backupManga.isEmpty()) {
throw Exception(context.getString(R.string.invalid_backup_file_missing_manga))
}
val sources = backup.backupSources.map { it.sourceId to it.name }.toMap()
val sources = backup.backupSources.associate { it.sourceId to it.name }
val missingSources = sources
.filter { sourceManager.get(it.key) == null }
.values

12
app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/LegacyBackupRestoreValidator.kt
View File

@ -4,10 +4,12 @@ import android.content.Context
import android.net.Uri
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.data.backup.AbstractBackupRestoreValidator
import eu.kanade.tachiyomi.data.backup.ValidatorParseException
import eu.kanade.tachiyomi.data.backup.legacy.models.Backup
import kotlinx.serialization.json.decodeFromStream
class LegacyBackupRestoreValidator : AbstractBackupRestoreValidator() {
/**
* Checks for critical backup file data.
*
@ -17,9 +19,13 @@ class LegacyBackupRestoreValidator : AbstractBackupRestoreValidator() {
override fun validate(context: Context, uri: Uri): Results {
val backupManager = LegacyBackupManager(context)
val backup = backupManager.parser.decodeFromStream<Backup>(
val backup = try {
backupManager.parser.decodeFromStream<Backup>(
context.contentResolver.openInputStream(uri)!!
)
} catch (e: Exception) {
throw ValidatorParseException(e)
}
if (backup.version == null) {
throw Exception(context.getString(R.string.invalid_backup_file_missing_data))
@ -51,12 +57,10 @@ class LegacyBackupRestoreValidator : AbstractBackupRestoreValidator() {
companion object {
fun getSourceMapping(extensionsMapping: List<String>): Map<Long, String> {
return extensionsMapping
.map {
return extensionsMapping.associate {
val items = it.split(":")
items[0].toLong() to items[1]
}
.toMap()
}
}
}

7
app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt
View File

@ -20,6 +20,7 @@ import eu.kanade.tachiyomi.data.backup.BackupConst
import eu.kanade.tachiyomi.data.backup.BackupCreateService
import eu.kanade.tachiyomi.data.backup.BackupCreatorJob
import eu.kanade.tachiyomi.data.backup.BackupRestoreService
import eu.kanade.tachiyomi.data.backup.ValidatorParseException
import eu.kanade.tachiyomi.data.backup.full.FullBackupRestoreValidator
import eu.kanade.tachiyomi.data.backup.full.models.BackupFull
import eu.kanade.tachiyomi.data.backup.legacy.LegacyBackupRestoreValidator
@ -262,12 +263,12 @@ class SettingsBackupController : SettingsController() {
return try {
var type = BackupConst.BACKUP_TYPE_FULL
val results = runCatching {
val results = try {
FullBackupRestoreValidator().validate(activity, uri)
}.recoverCatching {
} catch (_: ValidatorParseException) {
type = BackupConst.BACKUP_TYPE_LEGACY
LegacyBackupRestoreValidator().validate(activity, uri)
}.getOrThrow()
}
var message = if (type == BackupConst.BACKUP_TYPE_FULL) {
activity.getString(R.string.backup_restore_content_full)