selfprivacy.org.app/lib/logic/cubit/backups/backups_cubit.dart

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import 'dart:async';
import 'package:easy_localization/easy_localization.dart';
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import 'package:selfprivacy/config/get_it_config.dart';
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import 'package:selfprivacy/logic/api_maps/rest_maps/backblaze.dart';
import 'package:selfprivacy/logic/api_maps/rest_maps/server.dart';
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import 'package:selfprivacy/logic/cubit/app_config_dependent/authentication_dependend_cubit.dart';
import 'package:selfprivacy/logic/models/hive/backblaze_bucket.dart';
import 'package:selfprivacy/logic/models/json/backup.dart';
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part 'backups_state.dart';
class BackupsCubit extends ServerInstallationDependendCubit<BackupsState> {
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BackupsCubit(final ServerInstallationCubit serverInstallationCubit)
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: super(
serverInstallationCubit,
const BackupsState(preventActions: true),
);
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final ServerApi api = ServerApi();
final BackblazeApi backblaze = BackblazeApi();
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@override
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Future<void> load() async {
if (serverInstallationCubit.state is ServerInstallationFinished) {
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final BackblazeBucket? bucket = getIt<ApiConfigModel>().backblazeBucket;
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if (bucket == null) {
emit(
const BackupsState(
isInitialized: false,
preventActions: false,
refreshing: false,
),
);
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} else {
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final BackupStatus status = await api.getBackupStatus();
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switch (status.status) {
case BackupStatusEnum.noKey:
case BackupStatusEnum.notInitialized:
emit(
BackupsState(
backups: const [],
isInitialized: true,
preventActions: false,
progress: 0,
status: status.status,
refreshing: false,
),
);
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break;
case BackupStatusEnum.initializing:
emit(
BackupsState(
backups: const [],
isInitialized: true,
preventActions: false,
progress: 0,
status: status.status,
refreshTimer: const Duration(seconds: 10),
refreshing: false,
),
);
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break;
case BackupStatusEnum.initialized:
case BackupStatusEnum.error:
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final List<Backup> backups = await api.getBackups();
emit(
BackupsState(
backups: backups,
isInitialized: true,
preventActions: false,
progress: status.progress,
status: status.status,
error: status.errorMessage ?? '',
refreshing: false,
),
);
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break;
case BackupStatusEnum.backingUp:
case BackupStatusEnum.restoring:
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final List<Backup> backups = await api.getBackups();
emit(
BackupsState(
backups: backups,
isInitialized: true,
preventActions: true,
progress: status.progress,
status: status.status,
error: status.errorMessage ?? '',
refreshTimer: const Duration(seconds: 5),
refreshing: false,
),
);
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break;
default:
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emit(const BackupsState());
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}
Timer(state.refreshTimer, () => updateBackups(useTimer: true));
}
}
}
Future<void> createBucket() async {
emit(state.copyWith(preventActions: true));
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final String domain = serverInstallationCubit.state.serverDomain!.domainName
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.replaceAll(RegExp(r'[^a-zA-Z0-9]'), '-');
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final int serverId = serverInstallationCubit.state.serverDetails!.id;
String bucketName = 'selfprivacy-$domain-$serverId';
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// If bucket name is too long, shorten it
if (bucketName.length > 49) {
bucketName = bucketName.substring(0, 49);
}
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final String bucketId = await backblaze.createBucket(bucketName);
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final BackblazeApplicationKey key = await backblaze.createKey(bucketId);
final BackblazeBucket bucket = BackblazeBucket(
bucketId: bucketId,
bucketName: bucketName,
applicationKey: key.applicationKey,
applicationKeyId: key.applicationKeyId,
);
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await getIt<ApiConfigModel>().storeBackblazeBucket(bucket);
await api.uploadBackblazeConfig(bucket);
await updateBackups();
emit(state.copyWith(isInitialized: true, preventActions: false));
}
Future<void> reuploadKey() async {
emit(state.copyWith(preventActions: true));
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final BackblazeBucket? bucket = getIt<ApiConfigModel>().backblazeBucket;
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if (bucket == null) {
emit(state.copyWith(isInitialized: false));
} else {
await api.uploadBackblazeConfig(bucket);
emit(state.copyWith(isInitialized: true, preventActions: false));
getIt<NavigationService>().showSnackBar('providers.backup.reuploadedKey');
}
}
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Duration refreshTimeFromState(final BackupStatusEnum status) {
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switch (status) {
case BackupStatusEnum.backingUp:
case BackupStatusEnum.restoring:
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return const Duration(seconds: 5);
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case BackupStatusEnum.initializing:
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return const Duration(seconds: 10);
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default:
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return const Duration(seconds: 60);
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}
}
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Future<void> updateBackups({final bool useTimer = false}) async {
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emit(state.copyWith(refreshing: true));
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final List<Backup> backups = await api.getBackups();
final BackupStatus status = await api.getBackupStatus();
emit(
state.copyWith(
backups: backups,
progress: status.progress,
status: status.status,
error: status.errorMessage,
refreshTimer: refreshTimeFromState(status.status),
refreshing: false,
),
);
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if (useTimer) {
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Timer(state.refreshTimer, () => updateBackups(useTimer: true));
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}
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}
Future<void> forceUpdateBackups() async {
emit(state.copyWith(preventActions: true));
await api.forceBackupListReload();
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getIt<NavigationService>()
.showSnackBar('providers.backup.refetchingList'.tr());
emit(state.copyWith(preventActions: false));
}
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Future<void> createBackup() async {
emit(state.copyWith(preventActions: true));
await api.startBackup();
await updateBackups();
emit(state.copyWith(preventActions: false));
}
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Future<void> restoreBackup(final String backupId) async {
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emit(state.copyWith(preventActions: true));
await api.restoreBackup(backupId);
emit(state.copyWith(preventActions: false));
}
@override
void clear() async {
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emit(const BackupsState());
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}
}