Nikolas Rimikis
1 year ago
8 changed files with 233 additions and 149 deletions
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import 'dart:async'; |
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import 'package:collection/collection.dart'; |
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import 'package:neon/src/settings/models/option.dart'; |
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/// Exportable data interface. |
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abstract interface class Exportable { |
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/// Exports into a json map entry. |
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MapEntry<String, Object?> export(); |
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/// Imports [data] from an export. |
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FutureOr<void> import(final Map<String, Object?> data); |
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} |
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/// Serialization helpers for a collection of [Option]s. |
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extension SerializeOptions on Iterable<Option<dynamic>> { |
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/// Serializes into an [Iterable<JsonEntry>]. |
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/// |
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/// Use [Map.fromEntries] to get a json Map. |
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Iterable<MapEntry<String, Object?>> serialize() sync* { |
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for (final option in this) { |
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if (option.enabled) { |
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yield MapEntry(option.key.value, option.serialize()); |
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} |
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} |
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} |
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/// Deserializes [data] and updates the [Option]s. |
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void deserialize(final Map<String, Object?> data) { |
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for (final entry in data.entries) { |
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final option = firstWhereOrNull((final option) => option.key.value == entry.key); |
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if (entry.value != null) { |
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option?.load(entry.value); |
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} else { |
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option?.reset(); |
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} |
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} |
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} |
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} |
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@ -1,23 +0,0 @@
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import 'package:neon/src/settings/models/option.dart'; |
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import 'package:neon/src/settings/models/options_category.dart'; |
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import 'package:neon/src/settings/models/storage.dart'; |
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abstract class NextcloudAppOptions { |
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NextcloudAppOptions(this.storage); |
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final AppStorage storage; |
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late final List<OptionsCategory> categories; |
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late final List<Option> options; |
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void reset() { |
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for (final option in options) { |
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option.reset(); |
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} |
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} |
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void dispose() { |
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for (final option in options) { |
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option.dispose(); |
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} |
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} |
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} |
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@ -0,0 +1,147 @@
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import 'dart:async'; |
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import 'dart:convert'; |
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import 'dart:typed_data'; |
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import 'package:meta/meta.dart'; |
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import 'package:neon/src/blocs/accounts.dart'; |
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import 'package:neon/src/models/account.dart' show Account, AccountFind; |
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import 'package:neon/src/models/app_implementation.dart'; |
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import 'package:neon/src/settings/models/exportable.dart'; |
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import 'package:neon/src/settings/models/option.dart'; |
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import 'package:neon/src/settings/models/storage.dart'; |
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/// Helper class to export all [Option]s. |
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/// |
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/// Json based operations: |
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/// * [exportToJson] |
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/// * [applyFromJson] |
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/// |
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/// [Uint8List] based operations: |
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/// * [exportToFile] |
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/// * [applyFromFile] |
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@internal |
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@immutable |
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class SettingsExportHelper { |
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const SettingsExportHelper({ |
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required this.exportables, |
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}); |
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/// Collections of elements to export. |
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final Set<Exportable> exportables; |
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/// Imports [file] and applies the stored [Option]s. |
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/// |
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/// See: |
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/// * [applyFromJson] to import a json map. |
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Future<void> applyFromFile(final Stream<List<int>>? file) async { |
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final transformer = const Utf8Decoder().fuse(const JsonDecoder()); |
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final data = await file?.transform(transformer).single; |
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if (data == null) { |
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return; |
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} |
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await applyFromJson(data as Map<String, Object?>); |
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} |
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/// Imports the [json] data and applies the stored [Option]s. |
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/// |
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/// See: |
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/// * [applyFromFile] to import data from a [Stream<Uint8List>]. |
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Future<void> applyFromJson(final Map<String, Object?> json) async { |
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for (final exportable in exportables) { |
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await exportable.import(json); |
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} |
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} |
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/// Exports the stored [Option]s into a [Uint8List]. |
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/// |
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/// See: |
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/// * [exportToJson] to export to a json map. |
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Uint8List exportToFile() { |
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final transformer = JsonUtf8Encoder(); |
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final json = exportToJson(); |
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return transformer.convert(json) as Uint8List; |
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} |
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/// Exports the stored [Option]s into a json map. |
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/// |
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/// See: |
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/// * [exportToFile] to export data to a [Uint8List]. |
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Map<String, Object?> exportToJson() => Map.fromEntries(exportables.map((final e) => e.export())); |
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} |
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/// Helper class to export [AppImplementation]s implementing the [Exportable] interface. |
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@immutable |
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class AppImplementationsExporter implements Exportable { |
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const AppImplementationsExporter(this.appImplementations); |
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/// List of apps to export. |
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final Iterable<AppImplementation> appImplementations; |
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/// Key the exported value will be stored at. |
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static final _key = StorageKeys.apps.value; |
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@override |
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MapEntry<String, Object?> export() => MapEntry( |
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_key, |
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Map.fromEntries(appImplementations.map((final app) => app.options.export())), |
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); |
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@override |
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void import(final Map<String, Object?> data) { |
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final values = data[_key] as Map<String, Object?>?; |
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if (values == null) { |
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return; |
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} |
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for (final element in values.entries) { |
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final app = appImplementations.tryFind(element.key); |
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if (app != null) { |
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app.options.import(values); |
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} |
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} |
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} |
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} |
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/// Helper class to export [Account]s implementing the [Exportable] interface. |
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@immutable |
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class AccountsBlocExporter implements Exportable { |
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const AccountsBlocExporter(this.accountsBloc); |
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/// AccountsBloc containing the accounts to export. |
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final AccountsBloc accountsBloc; |
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/// Key the exported value will be stored at. |
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static final _key = StorageKeys.accounts.value; |
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@override |
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MapEntry<String, Object?> export() => MapEntry(_key, Map.fromEntries(_serialize())); |
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Iterable<MapEntry<String, Object?>> _serialize() sync* { |
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for (final account in accountsBloc.accounts.value) { |
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yield accountsBloc.getOptionsFor(account).export(); |
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} |
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} |
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@override |
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void import(final Map<String, Object?> data) { |
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final values = data[_key] as Map<String, Object?>?; |
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if (values == null) { |
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return; |
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} |
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for (final element in values.entries) { |
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final account = accountsBloc.accounts.value.tryFind(element.key); |
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if (account != null) { |
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accountsBloc.getOptionsFor(account).import(values); |
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} |
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} |
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} |
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} |
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@ -1,98 +0,0 @@
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import 'package:meta/meta.dart'; |
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import 'package:neon/src/models/account.dart'; |
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import 'package:neon/src/models/app_implementation.dart'; |
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import 'package:neon/src/settings/models/option.dart'; |
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import 'package:neon/src/utils/global_options.dart'; |
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@internal |
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class SettingsExportHelper { |
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SettingsExportHelper({ |
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required this.globalOptions, |
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required this.appImplementations, |
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required this.accountSpecificOptions, |
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}); |
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final GlobalOptions globalOptions; |
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final Iterable<AppImplementation> appImplementations; |
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final Map<Account, List<Option>> accountSpecificOptions; |
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Future applyFromJson(final Map<String, dynamic> data) async { |
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final globalOptionsData = data['global'] as Map<String, dynamic>; |
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await _applyOptionsMapToOptions( |
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globalOptions.options, |
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globalOptionsData, |
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); |
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final appImplementationsData = data['apps'] as Map<String, dynamic>; |
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for (final appId in appImplementationsData.keys) { |
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final app = appImplementations.tryFind(appId); |
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if (app == null) { |
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return; |
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} |
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final appImplementationData = appImplementationsData[appId]! as Map<String, dynamic>; |
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await _applyOptionsMapToOptions( |
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app.options.options, |
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appImplementationData, |
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); |
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} |
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final accountsData = data['accounts'] as Map<String, dynamic>; |
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for (final accountId in accountsData.keys) { |
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final account = accountSpecificOptions.keys.tryFind(accountId); |
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if (account == null) { |
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return; |
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} |
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final accountData = accountsData[accountId]! as Map<String, dynamic>; |
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await _applyOptionsMapToOptions( |
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accountSpecificOptions[account]!, |
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accountData, |
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); |
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} |
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} |
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Future _applyOptionsMapToOptions(final Iterable<Option> options, final Map<String, dynamic> data) async { |
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for (final optionKey in data.keys) { |
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for (final option in options) { |
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if (option.key.value == optionKey) { |
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final Object? value = data[optionKey]; |
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if (value != null) { |
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option.value = await option.deserialize(value); |
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} |
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} |
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} |
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} |
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} |
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Map<String, dynamic> toJsonExport() => { |
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'global': { |
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for (final option in globalOptions.options) ...{ |
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if (option.enabled) ...{ |
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option.key: option.serialize(), |
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}, |
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}, |
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}, |
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'apps': { |
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for (final appImplementation in appImplementations) ...{ |
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appImplementation.id: { |
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for (final option in appImplementation.options.options) ...{ |
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if (option.enabled) ...{ |
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option.key: option.serialize(), |
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}, |
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}, |
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}, |
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}, |
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}, |
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'accounts': { |
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for (final account in accountSpecificOptions.keys) ...{ |
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account.id: { |
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for (final option in accountSpecificOptions[account]!) ...{ |
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if (option.enabled) ...{ |
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option.key: option.serialize(), |
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}, |
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}, |
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}, |
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}, |
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}, |
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}; |
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} |
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