🗃️ Local keypair db

build.yaml

@@ -4,4 +4,8 @@ targets:
       json_serializable:
         options:
           explicit_to_json: true
-          field_rename: snake
+          field_rename: snake
+      drift_dev:
+        options:
+          databases:
+            my_database: lib/database/database.dart

drift_schemas/my_database/drift_schema_v1.json

@@ -0,0 +1 @@
+{"_meta":{"description":"This file contains a serialized version of schema entities for drift.","version":"1.2.0"},"options":{"store_date_time_values_as_text":false},"entities":[{"id":0,"references":[],"type":"table","data":{"name":"sn_local_chat_channel","was_declared_in_moor":false,"columns":[{"name":"id","getter_name":"id","moor_type":"int","nullable":false,"customConstraints":null,"defaultConstraints":"PRIMARY KEY AUTOINCREMENT","dialectAwareDefaultConstraints":{"sqlite":"PRIMARY KEY AUTOINCREMENT"},"default_dart":null,"default_client_dart":null,"dsl_features":["auto-increment"]},{"name":"alias","getter_name":"alias","moor_type":"string","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[]},{"name":"content","getter_name":"content","moor_type":"string","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[],"type_converter":{"dart_expr":"const SnChannelConverter()","dart_type_name":"SnChannel"}},{"name":"created_at","getter_name":"createdAt","moor_type":"dateTime","nullable":false,"customConstraints":null,"default_dart":"const CustomExpression('CAST(strftime(\\'%s\\', CURRENT_TIMESTAMP) AS INTEGER)')","default_client_dart":null,"dsl_features":[]}],"is_virtual":false,"without_rowid":false,"constraints":[]}},{"id":1,"references":[],"type":"table","data":{"name":"sn_local_chat_message","was_declared_in_moor":false,"columns":[{"name":"id","getter_name":"id","moor_type":"int","nullable":false,"customConstraints":null,"defaultConstraints":"PRIMARY KEY AUTOINCREMENT","dialectAwareDefaultConstraints":{"sqlite":"PRIMARY KEY AUTOINCREMENT"},"default_dart":null,"default_client_dart":null,"dsl_features":["auto-increment"]},{"name":"channel_id","getter_name":"channelId","moor_type":"int","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[]},{"name":"content","getter_name":"content","moor_type":"string","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[],"type_converter":{"dart_expr":"const SnMessageConverter()","dart_type_name":"SnChatMessage"}},{"name":"created_at","getter_name":"createdAt","moor_type":"dateTime","nullable":false,"customConstraints":null,"default_dart":"const CustomExpression('CAST(strftime(\\'%s\\', CURRENT_TIMESTAMP) AS INTEGER)')","default_client_dart":null,"dsl_features":[]}],"is_virtual":false,"without_rowid":false,"constraints":[]}}]}

drift_schemas/my_database/drift_schema_v2.json

@@ -0,0 +1 @@
+{"_meta":{"description":"This file contains a serialized version of schema entities for drift.","version":"1.2.0"},"options":{"store_date_time_values_as_text":false},"entities":[{"id":0,"references":[],"type":"table","data":{"name":"sn_local_chat_channel","was_declared_in_moor":false,"columns":[{"name":"id","getter_name":"id","moor_type":"int","nullable":false,"customConstraints":null,"defaultConstraints":"PRIMARY KEY AUTOINCREMENT","dialectAwareDefaultConstraints":{"sqlite":"PRIMARY KEY AUTOINCREMENT"},"default_dart":null,"default_client_dart":null,"dsl_features":["auto-increment"]},{"name":"alias","getter_name":"alias","moor_type":"string","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[]},{"name":"content","getter_name":"content","moor_type":"string","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[],"type_converter":{"dart_expr":"const SnChannelConverter()","dart_type_name":"SnChannel"}},{"name":"created_at","getter_name":"createdAt","moor_type":"dateTime","nullable":false,"customConstraints":null,"default_dart":"const CustomExpression('CAST(strftime(\\'%s\\', CURRENT_TIMESTAMP) AS INTEGER)')","default_client_dart":null,"dsl_features":[]}],"is_virtual":false,"without_rowid":false,"constraints":[]}},{"id":1,"references":[],"type":"table","data":{"name":"sn_local_chat_message","was_declared_in_moor":false,"columns":[{"name":"id","getter_name":"id","moor_type":"int","nullable":false,"customConstraints":null,"defaultConstraints":"PRIMARY KEY AUTOINCREMENT","dialectAwareDefaultConstraints":{"sqlite":"PRIMARY KEY AUTOINCREMENT"},"default_dart":null,"default_client_dart":null,"dsl_features":["auto-increment"]},{"name":"channel_id","getter_name":"channelId","moor_type":"int","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[]},{"name":"content","getter_name":"content","moor_type":"string","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[],"type_converter":{"dart_expr":"const SnMessageConverter()","dart_type_name":"SnChatMessage"}},{"name":"created_at","getter_name":"createdAt","moor_type":"dateTime","nullable":false,"customConstraints":null,"default_dart":"const CustomExpression('CAST(strftime(\\'%s\\', CURRENT_TIMESTAMP) AS INTEGER)')","default_client_dart":null,"dsl_features":[]}],"is_virtual":false,"without_rowid":false,"constraints":[]}},{"id":2,"references":[],"type":"table","data":{"name":"sn_local_key_pair","was_declared_in_moor":false,"columns":[{"name":"id","getter_name":"id","moor_type":"string","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[]},{"name":"account_id","getter_name":"accountId","moor_type":"int","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[]},{"name":"public_key","getter_name":"publicKey","moor_type":"string","nullable":false,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[]},{"name":"private_key","getter_name":"privateKey","moor_type":"string","nullable":true,"customConstraints":null,"default_dart":null,"default_client_dart":null,"dsl_features":[]}],"is_virtual":false,"without_rowid":false,"constraints":[]}}]}

lib/database/database.dart

@@ -2,16 +2,18 @@ import 'package:drift/drift.dart';
 import 'package:drift_flutter/drift_flutter.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:surface/database/chat.dart';
+import 'package:surface/database/database.steps.dart';
+import 'package:surface/database/keypair.dart';
 import 'package:surface/types/chat.dart';
 
 part 'database.g.dart';
 
-@DriftDatabase(tables: [SnLocalChatChannel, SnLocalChatMessage])
+@DriftDatabase(tables: [SnLocalChatChannel, SnLocalChatMessage, SnLocalKeyPair])
 class AppDatabase extends _$AppDatabase {
-  AppDatabase() : super(_openConnection());
+  AppDatabase([QueryExecutor? e]) : super(e ?? _openConnection());
 
   @override
-  int get schemaVersion => 1;
+  int get schemaVersion => 2;
 
   static QueryExecutor _openConnection() {
     return driftDatabase(
@@ -25,4 +27,13 @@ class AppDatabase extends _$AppDatabase {
       ),
     );
   }
+
+  @override
+  MigrationStrategy get migration {
+    return MigrationStrategy(
+      onUpgrade: stepByStep(from1To2: (m, schema) async {
+        // Nothing else to do here
+      }),
+    );
+  }
 }

lib/database/database.steps.dart

@@ -0,0 +1,154 @@
+// dart format width=80
+import 'package:drift/internal/versioned_schema.dart' as i0;
+import 'package:drift/drift.dart' as i1;
+import 'package:drift/drift.dart'; // ignore_for_file: type=lint,unused_import
+
+// GENERATED BY drift_dev, DO NOT MODIFY.
+final class Schema2 extends i0.VersionedSchema {
+  Schema2({required super.database}) : super(version: 2);
+  @override
+  late final List<i1.DatabaseSchemaEntity> entities = [
+    snLocalChatChannel,
+    snLocalChatMessage,
+    snLocalKeyPair,
+  ];
+  late final Shape0 snLocalChatChannel = Shape0(
+      source: i0.VersionedTable(
+        entityName: 'sn_local_chat_channel',
+        withoutRowId: false,
+        isStrict: false,
+        tableConstraints: [],
+        columns: [
+          _column_0,
+          _column_1,
+          _column_2,
+          _column_3,
+        ],
+        attachedDatabase: database,
+      ),
+      alias: null);
+  late final Shape1 snLocalChatMessage = Shape1(
+      source: i0.VersionedTable(
+        entityName: 'sn_local_chat_message',
+        withoutRowId: false,
+        isStrict: false,
+        tableConstraints: [],
+        columns: [
+          _column_0,
+          _column_4,
+          _column_2,
+          _column_3,
+        ],
+        attachedDatabase: database,
+      ),
+      alias: null);
+  late final Shape2 snLocalKeyPair = Shape2(
+      source: i0.VersionedTable(
+        entityName: 'sn_local_key_pair',
+        withoutRowId: false,
+        isStrict: false,
+        tableConstraints: [],
+        columns: [
+          _column_5,
+          _column_6,
+          _column_7,
+          _column_8,
+        ],
+        attachedDatabase: database,
+      ),
+      alias: null);
+}
+
+class Shape0 extends i0.VersionedTable {
+  Shape0({required super.source, required super.alias}) : super.aliased();
+  i1.GeneratedColumn<int> get id =>
+      columnsByName['id']! as i1.GeneratedColumn<int>;
+  i1.GeneratedColumn<String> get alias =>
+      columnsByName['alias']! as i1.GeneratedColumn<String>;
+  i1.GeneratedColumn<String> get content =>
+      columnsByName['content']! as i1.GeneratedColumn<String>;
+  i1.GeneratedColumn<DateTime> get createdAt =>
+      columnsByName['created_at']! as i1.GeneratedColumn<DateTime>;
+}
+
+i1.GeneratedColumn<int> _column_0(String aliasedName) =>
+    i1.GeneratedColumn<int>('id', aliasedName, false,
+        hasAutoIncrement: true,
+        type: i1.DriftSqlType.int,
+        defaultConstraints:
+            i1.GeneratedColumn.constraintIsAlways('PRIMARY KEY AUTOINCREMENT'));
+i1.GeneratedColumn<String> _column_1(String aliasedName) =>
+    i1.GeneratedColumn<String>('alias', aliasedName, false,
+        type: i1.DriftSqlType.string);
+i1.GeneratedColumn<String> _column_2(String aliasedName) =>
+    i1.GeneratedColumn<String>('content', aliasedName, false,
+        type: i1.DriftSqlType.string);
+i1.GeneratedColumn<DateTime> _column_3(String aliasedName) =>
+    i1.GeneratedColumn<DateTime>('created_at', aliasedName, false,
+        type: i1.DriftSqlType.dateTime,
+        defaultValue: const CustomExpression(
+            'CAST(strftime(\'%s\', CURRENT_TIMESTAMP) AS INTEGER)'));
+
+class Shape1 extends i0.VersionedTable {
+  Shape1({required super.source, required super.alias}) : super.aliased();
+  i1.GeneratedColumn<int> get id =>
+      columnsByName['id']! as i1.GeneratedColumn<int>;
+  i1.GeneratedColumn<int> get channelId =>
+      columnsByName['channel_id']! as i1.GeneratedColumn<int>;
+  i1.GeneratedColumn<String> get content =>
+      columnsByName['content']! as i1.GeneratedColumn<String>;
+  i1.GeneratedColumn<DateTime> get createdAt =>
+      columnsByName['created_at']! as i1.GeneratedColumn<DateTime>;
+}
+
+i1.GeneratedColumn<int> _column_4(String aliasedName) =>
+    i1.GeneratedColumn<int>('channel_id', aliasedName, false,
+        type: i1.DriftSqlType.int);
+
+class Shape2 extends i0.VersionedTable {
+  Shape2({required super.source, required super.alias}) : super.aliased();
+  i1.GeneratedColumn<String> get id =>
+      columnsByName['id']! as i1.GeneratedColumn<String>;
+  i1.GeneratedColumn<int> get accountId =>
+      columnsByName['account_id']! as i1.GeneratedColumn<int>;
+  i1.GeneratedColumn<String> get publicKey =>
+      columnsByName['public_key']! as i1.GeneratedColumn<String>;
+  i1.GeneratedColumn<String> get privateKey =>
+      columnsByName['private_key']! as i1.GeneratedColumn<String>;
+}
+
+i1.GeneratedColumn<String> _column_5(String aliasedName) =>
+    i1.GeneratedColumn<String>('id', aliasedName, false,
+        type: i1.DriftSqlType.string);
+i1.GeneratedColumn<int> _column_6(String aliasedName) =>
+    i1.GeneratedColumn<int>('account_id', aliasedName, false,
+        type: i1.DriftSqlType.int);
+i1.GeneratedColumn<String> _column_7(String aliasedName) =>
+    i1.GeneratedColumn<String>('public_key', aliasedName, false,
+        type: i1.DriftSqlType.string);
+i1.GeneratedColumn<String> _column_8(String aliasedName) =>
+    i1.GeneratedColumn<String>('private_key', aliasedName, true,
+        type: i1.DriftSqlType.string);
+i0.MigrationStepWithVersion migrationSteps({
+  required Future<void> Function(i1.Migrator m, Schema2 schema) from1To2,
+}) {
+  return (currentVersion, database) async {
+    switch (currentVersion) {
+      case 1:
+        final schema = Schema2(database: database);
+        final migrator = i1.Migrator(database, schema);
+        await from1To2(migrator, schema);
+        return 2;
+      default:
+        throw ArgumentError.value('Unknown migration from $currentVersion');
+    }
+  };
+}
+
+i1.OnUpgrade stepByStep({
+  required Future<void> Function(i1.Migrator m, Schema2 schema) from1To2,
+}) =>
+    i0.VersionedSchema.stepByStepHelper(
+        step: migrationSteps(
+      from1To2: from1To2,
+    ));

lib/database/keypair.dart

@@ -0,0 +1,39 @@
+import 'dart:convert';
+
+import 'package:drift/drift.dart';
+import 'package:surface/types/keypair.dart';
+
+class SnKeyPairConverter extends TypeConverter<SnKeyPair, String>
+    with JsonTypeConverter2<SnKeyPair, String, Map<String, Object?>> {
+  const SnKeyPairConverter();
+
+  @override
+  SnKeyPair fromSql(String fromDb) {
+    return fromJson(jsonDecode(fromDb) as Map<String, dynamic>);
+  }
+
+  @override
+  String toSql(SnKeyPair value) {
+    return jsonEncode(toJson(value));
+  }
+
+  @override
+  SnKeyPair fromJson(Map<String, Object?> json) {
+    return SnKeyPair.fromJson(json);
+  }
+
+  @override
+  Map<String, Object?> toJson(SnKeyPair value) {
+    return value.toJson();
+  }
+}
+
+class SnLocalKeyPair extends Table {
+  TextColumn get id => text()();
+
+  IntColumn get accountId => integer()();
+
+  TextColumn get publicKey => text()();
+
+  TextColumn get privateKey => text().nullable()();
+}

lib/screens/account/profile_edit.dart

@@ -138,6 +138,7 @@ class _ProfileEditScreenState extends State<ProfileEditScreen> {
       rawBytes = await image.readAsBytes();
     }
 
+    if (!mounted) return;
     final attach = context.read<SnAttachmentProvider>();
 
     try {

lib/screens/account/publishers/publisher_edit.dart

@@ -68,16 +68,19 @@ class _AccountPublisherEditScreenState extends State<AccountPublisherEditScreen>
     setState(() => _isBusy = true);
 
     try {
-      await sn.client.put('/cgi/co/publishers/${widget.name}', data: {
-        'avatar': _avatar,
-        'banner': _banner,
-        'nick': _nickController.text,
-        'name': _nameController.text,
-        'description': _descriptionController.text,
-      });
+      await sn.client.put(
+        '/cgi/co/publishers/${widget.name}',
+        data: {
+          'avatar': _avatar,
+          'banner': _banner,
+          'nick': _nickController.text,
+          'name': _nameController.text,
+          'description': _descriptionController.text,
+        },
+      );
       if (mounted) Navigator.pop(context, true);
     } catch (err) {
-      if(mounted) context.showErrorDialog(err);
+      if (mounted) context.showErrorDialog(err);
     } finally {
       setState(() => _isBusy = false);
     }
@@ -114,21 +117,21 @@ class _AccountPublisherEditScreenState extends State<AccountPublisherEditScreen>
     if (!skipCrop) {
       final ImageProvider imageProvider = kIsWeb ? NetworkImage(image.path) : FileImage(File(image.path));
       final aspectRatios =
-      place == 'banner' ? [CropAspectRatio(width: 16, height: 7)] : [CropAspectRatio(width: 1, height: 1)];
+          place == 'banner' ? [CropAspectRatio(width: 16, height: 7)] : [CropAspectRatio(width: 1, height: 1)];
       final result =
-      (!kIsWeb && (Platform.isIOS || Platform.isMacOS))
-          ? await showCupertinoImageCropper(
-        // ignore: use_build_context_synchronously
-        context,
-        allowedAspectRatios: aspectRatios,
-        imageProvider: imageProvider,
-      )
-          : await showMaterialImageCropper(
-        // ignore: use_build_context_synchronously
-        context,
-        allowedAspectRatios: aspectRatios,
-        imageProvider: imageProvider,
-      );
+          (!kIsWeb && (Platform.isIOS || Platform.isMacOS))
+              ? await showCupertinoImageCropper(
+                // ignore: use_build_context_synchronously
+                context,
+                allowedAspectRatios: aspectRatios,
+                imageProvider: imageProvider,
+              )
+              : await showMaterialImageCropper(
+                // ignore: use_build_context_synchronously
+                context,
+                allowedAspectRatios: aspectRatios,
+                imageProvider: imageProvider,
+              );
 
       if (result == null) return;
 
@@ -141,6 +144,7 @@ class _AccountPublisherEditScreenState extends State<AccountPublisherEditScreen>
       rawBytes = await image.readAsBytes();
     }
 
+    if (!mounted) return;
     final attach = context.read<SnAttachmentProvider>();
 
     try {
@@ -187,10 +191,7 @@ class _AccountPublisherEditScreenState extends State<AccountPublisherEditScreen>
     final sn = context.read<SnNetworkProvider>();
 
     return AppScaffold(
-      appBar: AppBar(
-        leading: PageBackButton(),
-        title: Text('screenAccountPublisherEdit').tr(),
-      ),
+      appBar: AppBar(leading: PageBackButton(), title: Text('screenAccountPublisherEdit').tr()),
       body: SingleChildScrollView(
         child: Column(
           children: [
@@ -208,12 +209,10 @@ class _AccountPublisherEditScreenState extends State<AccountPublisherEditScreen>
                         aspectRatio: 16 / 9,
                         child: Container(
                           color: Theme.of(context).colorScheme.surfaceContainerHigh,
-                          child: _banner != null
-                              ? AutoResizeUniversalImage(
-                                  sn.getAttachmentUrl(_banner!),
-                                  fit: BoxFit.cover,
-                                )
-                              : const SizedBox.shrink(),
+                          child:
+                              _banner != null
+                                  ? AutoResizeUniversalImage(sn.getAttachmentUrl(_banner!), fit: BoxFit.cover)
+                                  : const SizedBox.shrink(),
                         ),
                       ),
                     ),
@@ -251,9 +250,7 @@ class _AccountPublisherEditScreenState extends State<AccountPublisherEditScreen>
             const Gap(4),
             TextField(
               controller: _nickController,
-              decoration: InputDecoration(
-                labelText: 'fieldNickname'.tr(),
-              ),
+              decoration: InputDecoration(labelText: 'fieldNickname'.tr()),
               onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
             ),
             const Gap(4),
@@ -261,9 +258,7 @@ class _AccountPublisherEditScreenState extends State<AccountPublisherEditScreen>
               controller: _descriptionController,
               maxLines: null,
               minLines: 3,
-              decoration: InputDecoration(
-                labelText: 'fieldDescription'.tr(),
-              ),
+              decoration: InputDecoration(labelText: 'fieldDescription'.tr()),
               onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
             ),
             const Gap(12),
@@ -284,7 +279,7 @@ class _AccountPublisherEditScreenState extends State<AccountPublisherEditScreen>
                   icon: const Icon(Symbols.save),
                 ),
               ],
-            )
+            ),
           ],
         ).padding(horizontal: 24, vertical: 12),
       ),

lib/types/keypair.dart

@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'keypair.freezed.dart';
+part 'keypair.g.dart';
+
+@freezed
+abstract class SnKeyPair with _$SnKeyPair {
+  const factory SnKeyPair({
+    required String id,
+    required int accountId,
+    required String publicKey,
+    String? privateKey,
+  }) = _SnKeyPair;
+
+  factory SnKeyPair.fromJson(Map<String, Object?> json) => _$SnKeyPairFromJson(json);
+}

lib/types/keypair.freezed.dart

@@ -0,0 +1,213 @@
+// dart format width=80
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'keypair.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+// dart format off
+T _$identity<T>(T value) => value;
+
+/// @nodoc
+mixin _$SnKeyPair {
+  String get id;
+  int get accountId;
+  String get publicKey;
+  String? get privateKey;
+
+  /// Create a copy of SnKeyPair
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @pragma('vm:prefer-inline')
+  $SnKeyPairCopyWith<SnKeyPair> get copyWith =>
+      _$SnKeyPairCopyWithImpl<SnKeyPair>(this as SnKeyPair, _$identity);
+
+  /// Serializes this SnKeyPair to a JSON map.
+  Map<String, dynamic> toJson();
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is SnKeyPair &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.accountId, accountId) ||
+                other.accountId == accountId) &&
+            (identical(other.publicKey, publicKey) ||
+                other.publicKey == publicKey) &&
+            (identical(other.privateKey, privateKey) ||
+                other.privateKey == privateKey));
+  }
+
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  int get hashCode =>
+      Object.hash(runtimeType, id, accountId, publicKey, privateKey);
+
+  @override
+  String toString() {
+    return 'SnKeyPair(id: $id, accountId: $accountId, publicKey: $publicKey, privateKey: $privateKey)';
+  }
+}
+
+/// @nodoc
+abstract mixin class $SnKeyPairCopyWith<$Res> {
+  factory $SnKeyPairCopyWith(SnKeyPair value, $Res Function(SnKeyPair) _then) =
+      _$SnKeyPairCopyWithImpl;
+  @useResult
+  $Res call({String id, int accountId, String publicKey, String? privateKey});
+}
+
+/// @nodoc
+class _$SnKeyPairCopyWithImpl<$Res> implements $SnKeyPairCopyWith<$Res> {
+  _$SnKeyPairCopyWithImpl(this._self, this._then);
+
+  final SnKeyPair _self;
+  final $Res Function(SnKeyPair) _then;
+
+  /// Create a copy of SnKeyPair
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? accountId = null,
+    Object? publicKey = null,
+    Object? privateKey = freezed,
+  }) {
+    return _then(_self.copyWith(
+      id: null == id
+          ? _self.id
+          : id // ignore: cast_nullable_to_non_nullable
+              as String,
+      accountId: null == accountId
+          ? _self.accountId
+          : accountId // ignore: cast_nullable_to_non_nullable
+              as int,
+      publicKey: null == publicKey
+          ? _self.publicKey
+          : publicKey // ignore: cast_nullable_to_non_nullable
+              as String,
+      privateKey: freezed == privateKey
+          ? _self.privateKey
+          : privateKey // ignore: cast_nullable_to_non_nullable
+              as String?,
+    ));
+  }
+}
+
+/// @nodoc
+@JsonSerializable()
+class _SnKeyPair implements SnKeyPair {
+  const _SnKeyPair(
+      {required this.id,
+      required this.accountId,
+      required this.publicKey,
+      this.privateKey});
+  factory _SnKeyPair.fromJson(Map<String, dynamic> json) =>
+      _$SnKeyPairFromJson(json);
+
+  @override
+  final String id;
+  @override
+  final int accountId;
+  @override
+  final String publicKey;
+  @override
+  final String? privateKey;
+
+  /// Create a copy of SnKeyPair
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @pragma('vm:prefer-inline')
+  _$SnKeyPairCopyWith<_SnKeyPair> get copyWith =>
+      __$SnKeyPairCopyWithImpl<_SnKeyPair>(this, _$identity);
+
+  @override
+  Map<String, dynamic> toJson() {
+    return _$SnKeyPairToJson(
+      this,
+    );
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _SnKeyPair &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.accountId, accountId) ||
+                other.accountId == accountId) &&
+            (identical(other.publicKey, publicKey) ||
+                other.publicKey == publicKey) &&
+            (identical(other.privateKey, privateKey) ||
+                other.privateKey == privateKey));
+  }
+
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  int get hashCode =>
+      Object.hash(runtimeType, id, accountId, publicKey, privateKey);
+
+  @override
+  String toString() {
+    return 'SnKeyPair(id: $id, accountId: $accountId, publicKey: $publicKey, privateKey: $privateKey)';
+  }
+}
+
+/// @nodoc
+abstract mixin class _$SnKeyPairCopyWith<$Res>
+    implements $SnKeyPairCopyWith<$Res> {
+  factory _$SnKeyPairCopyWith(
+          _SnKeyPair value, $Res Function(_SnKeyPair) _then) =
+      __$SnKeyPairCopyWithImpl;
+  @override
+  @useResult
+  $Res call({String id, int accountId, String publicKey, String? privateKey});
+}
+
+/// @nodoc
+class __$SnKeyPairCopyWithImpl<$Res> implements _$SnKeyPairCopyWith<$Res> {
+  __$SnKeyPairCopyWithImpl(this._self, this._then);
+
+  final _SnKeyPair _self;
+  final $Res Function(_SnKeyPair) _then;
+
+  /// Create a copy of SnKeyPair
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @pragma('vm:prefer-inline')
+  $Res call({
+    Object? id = null,
+    Object? accountId = null,
+    Object? publicKey = null,
+    Object? privateKey = freezed,
+  }) {
+    return _then(_SnKeyPair(
+      id: null == id
+          ? _self.id
+          : id // ignore: cast_nullable_to_non_nullable
+              as String,
+      accountId: null == accountId
+          ? _self.accountId
+          : accountId // ignore: cast_nullable_to_non_nullable
+              as int,
+      publicKey: null == publicKey
+          ? _self.publicKey
+          : publicKey // ignore: cast_nullable_to_non_nullable
+              as String,
+      privateKey: freezed == privateKey
+          ? _self.privateKey
+          : privateKey // ignore: cast_nullable_to_non_nullable
+              as String?,
+    ));
+  }
+}
+
+// dart format on

lib/types/keypair.g.dart

@@ -0,0 +1,22 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'keypair.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_SnKeyPair _$SnKeyPairFromJson(Map<String, dynamic> json) => _SnKeyPair(
+      id: json['id'] as String,
+      accountId: (json['account_id'] as num).toInt(),
+      publicKey: json['public_key'] as String,
+      privateKey: json['private_key'] as String?,
+    );
+
+Map<String, dynamic> _$SnKeyPairToJson(_SnKeyPair instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'account_id': instance.accountId,
+      'public_key': instance.publicKey,
+      'private_key': instance.privateKey,
+    };

test/drift/my_database/generated/schema.dart

@@ -0,0 +1,23 @@
+// dart format width=80
+// GENERATED CODE, DO NOT EDIT BY HAND.
+// ignore_for_file: type=lint
+import 'package:drift/drift.dart';
+import 'package:drift/internal/migrations.dart';
+import 'schema_v1.dart' as v1;
+import 'schema_v2.dart' as v2;
+
+class GeneratedHelper implements SchemaInstantiationHelper {
+  @override
+  GeneratedDatabase databaseForVersion(QueryExecutor db, int version) {
+    switch (version) {
+      case 1:
+        return v1.DatabaseAtV1(db);
+      case 2:
+        return v2.DatabaseAtV2(db);
+      default:
+        throw MissingSchemaException(version, versions);
+    }
+  }
+
+  static const versions = const [1, 2];
+}

test/drift/my_database/generated/schema_v1.dart

@@ -0,0 +1,462 @@
+// dart format width=80
+// GENERATED CODE, DO NOT EDIT BY HAND.
+// ignore_for_file: type=lint
+import 'package:drift/drift.dart';
+
+class SnLocalChatChannel extends Table
+    with TableInfo<SnLocalChatChannel, SnLocalChatChannelData> {
+  @override
+  final GeneratedDatabase attachedDatabase;
+  final String? _alias;
+  SnLocalChatChannel(this.attachedDatabase, [this._alias]);
+  late final GeneratedColumn<int> id = GeneratedColumn<int>(
+      'id', aliasedName, false,
+      hasAutoIncrement: true,
+      type: DriftSqlType.int,
+      requiredDuringInsert: false,
+      defaultConstraints:
+          GeneratedColumn.constraintIsAlways('PRIMARY KEY AUTOINCREMENT'));
+  late final GeneratedColumn<String> alias = GeneratedColumn<String>(
+      'alias', aliasedName, false,
+      type: DriftSqlType.string, requiredDuringInsert: true);
+  late final GeneratedColumn<String> content = GeneratedColumn<String>(
+      'content', aliasedName, false,
+      type: DriftSqlType.string, requiredDuringInsert: true);
+  late final GeneratedColumn<DateTime> createdAt = GeneratedColumn<DateTime>(
+      'created_at', aliasedName, false,
+      type: DriftSqlType.dateTime,
+      requiredDuringInsert: false,
+      defaultValue: const CustomExpression(
+          'CAST(strftime(\'%s\', CURRENT_TIMESTAMP) AS INTEGER)'));
+  @override
+  List<GeneratedColumn> get $columns => [id, alias, content, createdAt];
+  @override
+  String get aliasedName => _alias ?? actualTableName;
+  @override
+  String get actualTableName => $name;
+  static const String $name = 'sn_local_chat_channel';
+  @override
+  Set<GeneratedColumn> get $primaryKey => {id};
+  @override
+  SnLocalChatChannelData map(Map<String, dynamic> data, {String? tablePrefix}) {
+    final effectivePrefix = tablePrefix != null ? '$tablePrefix.' : '';
+    return SnLocalChatChannelData(
+      id: attachedDatabase.typeMapping
+          .read(DriftSqlType.int, data['${effectivePrefix}id'])!,
+      alias: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}alias'])!,
+      content: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}content'])!,
+      createdAt: attachedDatabase.typeMapping
+          .read(DriftSqlType.dateTime, data['${effectivePrefix}created_at'])!,
+    );
+  }
+
+  @override
+  SnLocalChatChannel createAlias(String alias) {
+    return SnLocalChatChannel(attachedDatabase, alias);
+  }
+}
+
+class SnLocalChatChannelData extends DataClass
+    implements Insertable<SnLocalChatChannelData> {
+  final int id;
+  final String alias;
+  final String content;
+  final DateTime createdAt;
+  const SnLocalChatChannelData(
+      {required this.id,
+      required this.alias,
+      required this.content,
+      required this.createdAt});
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    map['id'] = Variable<int>(id);
+    map['alias'] = Variable<String>(alias);
+    map['content'] = Variable<String>(content);
+    map['created_at'] = Variable<DateTime>(createdAt);
+    return map;
+  }
+
+  SnLocalChatChannelCompanion toCompanion(bool nullToAbsent) {
+    return SnLocalChatChannelCompanion(
+      id: Value(id),
+      alias: Value(alias),
+      content: Value(content),
+      createdAt: Value(createdAt),
+    );
+  }
+
+  factory SnLocalChatChannelData.fromJson(Map<String, dynamic> json,
+      {ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return SnLocalChatChannelData(
+      id: serializer.fromJson<int>(json['id']),
+      alias: serializer.fromJson<String>(json['alias']),
+      content: serializer.fromJson<String>(json['content']),
+      createdAt: serializer.fromJson<DateTime>(json['createdAt']),
+    );
+  }
+  @override
+  Map<String, dynamic> toJson({ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return <String, dynamic>{
+      'id': serializer.toJson<int>(id),
+      'alias': serializer.toJson<String>(alias),
+      'content': serializer.toJson<String>(content),
+      'createdAt': serializer.toJson<DateTime>(createdAt),
+    };
+  }
+
+  SnLocalChatChannelData copyWith(
+          {int? id, String? alias, String? content, DateTime? createdAt}) =>
+      SnLocalChatChannelData(
+        id: id ?? this.id,
+        alias: alias ?? this.alias,
+        content: content ?? this.content,
+        createdAt: createdAt ?? this.createdAt,
+      );
+  SnLocalChatChannelData copyWithCompanion(SnLocalChatChannelCompanion data) {
+    return SnLocalChatChannelData(
+      id: data.id.present ? data.id.value : this.id,
+      alias: data.alias.present ? data.alias.value : this.alias,
+      content: data.content.present ? data.content.value : this.content,
+      createdAt: data.createdAt.present ? data.createdAt.value : this.createdAt,
+    );
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalChatChannelData(')
+          ..write('id: $id, ')
+          ..write('alias: $alias, ')
+          ..write('content: $content, ')
+          ..write('createdAt: $createdAt')
+          ..write(')'))
+        .toString();
+  }
+
+  @override
+  int get hashCode => Object.hash(id, alias, content, createdAt);
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      (other is SnLocalChatChannelData &&
+          other.id == this.id &&
+          other.alias == this.alias &&
+          other.content == this.content &&
+          other.createdAt == this.createdAt);
+}
+
+class SnLocalChatChannelCompanion
+    extends UpdateCompanion<SnLocalChatChannelData> {
+  final Value<int> id;
+  final Value<String> alias;
+  final Value<String> content;
+  final Value<DateTime> createdAt;
+  const SnLocalChatChannelCompanion({
+    this.id = const Value.absent(),
+    this.alias = const Value.absent(),
+    this.content = const Value.absent(),
+    this.createdAt = const Value.absent(),
+  });
+  SnLocalChatChannelCompanion.insert({
+    this.id = const Value.absent(),
+    required String alias,
+    required String content,
+    this.createdAt = const Value.absent(),
+  })  : alias = Value(alias),
+        content = Value(content);
+  static Insertable<SnLocalChatChannelData> custom({
+    Expression<int>? id,
+    Expression<String>? alias,
+    Expression<String>? content,
+    Expression<DateTime>? createdAt,
+  }) {
+    return RawValuesInsertable({
+      if (id != null) 'id': id,
+      if (alias != null) 'alias': alias,
+      if (content != null) 'content': content,
+      if (createdAt != null) 'created_at': createdAt,
+    });
+  }
+
+  SnLocalChatChannelCompanion copyWith(
+      {Value<int>? id,
+      Value<String>? alias,
+      Value<String>? content,
+      Value<DateTime>? createdAt}) {
+    return SnLocalChatChannelCompanion(
+      id: id ?? this.id,
+      alias: alias ?? this.alias,
+      content: content ?? this.content,
+      createdAt: createdAt ?? this.createdAt,
+    );
+  }
+
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    if (id.present) {
+      map['id'] = Variable<int>(id.value);
+    }
+    if (alias.present) {
+      map['alias'] = Variable<String>(alias.value);
+    }
+    if (content.present) {
+      map['content'] = Variable<String>(content.value);
+    }
+    if (createdAt.present) {
+      map['created_at'] = Variable<DateTime>(createdAt.value);
+    }
+    return map;
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalChatChannelCompanion(')
+          ..write('id: $id, ')
+          ..write('alias: $alias, ')
+          ..write('content: $content, ')
+          ..write('createdAt: $createdAt')
+          ..write(')'))
+        .toString();
+  }
+}
+
+class SnLocalChatMessage extends Table
+    with TableInfo<SnLocalChatMessage, SnLocalChatMessageData> {
+  @override
+  final GeneratedDatabase attachedDatabase;
+  final String? _alias;
+  SnLocalChatMessage(this.attachedDatabase, [this._alias]);
+  late final GeneratedColumn<int> id = GeneratedColumn<int>(
+      'id', aliasedName, false,
+      hasAutoIncrement: true,
+      type: DriftSqlType.int,
+      requiredDuringInsert: false,
+      defaultConstraints:
+          GeneratedColumn.constraintIsAlways('PRIMARY KEY AUTOINCREMENT'));
+  late final GeneratedColumn<int> channelId = GeneratedColumn<int>(
+      'channel_id', aliasedName, false,
+      type: DriftSqlType.int, requiredDuringInsert: true);
+  late final GeneratedColumn<String> content = GeneratedColumn<String>(
+      'content', aliasedName, false,
+      type: DriftSqlType.string, requiredDuringInsert: true);
+  late final GeneratedColumn<DateTime> createdAt = GeneratedColumn<DateTime>(
+      'created_at', aliasedName, false,
+      type: DriftSqlType.dateTime,
+      requiredDuringInsert: false,
+      defaultValue: const CustomExpression(
+          'CAST(strftime(\'%s\', CURRENT_TIMESTAMP) AS INTEGER)'));
+  @override
+  List<GeneratedColumn> get $columns => [id, channelId, content, createdAt];
+  @override
+  String get aliasedName => _alias ?? actualTableName;
+  @override
+  String get actualTableName => $name;
+  static const String $name = 'sn_local_chat_message';
+  @override
+  Set<GeneratedColumn> get $primaryKey => {id};
+  @override
+  SnLocalChatMessageData map(Map<String, dynamic> data, {String? tablePrefix}) {
+    final effectivePrefix = tablePrefix != null ? '$tablePrefix.' : '';
+    return SnLocalChatMessageData(
+      id: attachedDatabase.typeMapping
+          .read(DriftSqlType.int, data['${effectivePrefix}id'])!,
+      channelId: attachedDatabase.typeMapping
+          .read(DriftSqlType.int, data['${effectivePrefix}channel_id'])!,
+      content: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}content'])!,
+      createdAt: attachedDatabase.typeMapping
+          .read(DriftSqlType.dateTime, data['${effectivePrefix}created_at'])!,
+    );
+  }
+
+  @override
+  SnLocalChatMessage createAlias(String alias) {
+    return SnLocalChatMessage(attachedDatabase, alias);
+  }
+}
+
+class SnLocalChatMessageData extends DataClass
+    implements Insertable<SnLocalChatMessageData> {
+  final int id;
+  final int channelId;
+  final String content;
+  final DateTime createdAt;
+  const SnLocalChatMessageData(
+      {required this.id,
+      required this.channelId,
+      required this.content,
+      required this.createdAt});
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    map['id'] = Variable<int>(id);
+    map['channel_id'] = Variable<int>(channelId);
+    map['content'] = Variable<String>(content);
+    map['created_at'] = Variable<DateTime>(createdAt);
+    return map;
+  }
+
+  SnLocalChatMessageCompanion toCompanion(bool nullToAbsent) {
+    return SnLocalChatMessageCompanion(
+      id: Value(id),
+      channelId: Value(channelId),
+      content: Value(content),
+      createdAt: Value(createdAt),
+    );
+  }
+
+  factory SnLocalChatMessageData.fromJson(Map<String, dynamic> json,
+      {ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return SnLocalChatMessageData(
+      id: serializer.fromJson<int>(json['id']),
+      channelId: serializer.fromJson<int>(json['channelId']),
+      content: serializer.fromJson<String>(json['content']),
+      createdAt: serializer.fromJson<DateTime>(json['createdAt']),
+    );
+  }
+  @override
+  Map<String, dynamic> toJson({ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return <String, dynamic>{
+      'id': serializer.toJson<int>(id),
+      'channelId': serializer.toJson<int>(channelId),
+      'content': serializer.toJson<String>(content),
+      'createdAt': serializer.toJson<DateTime>(createdAt),
+    };
+  }
+
+  SnLocalChatMessageData copyWith(
+          {int? id, int? channelId, String? content, DateTime? createdAt}) =>
+      SnLocalChatMessageData(
+        id: id ?? this.id,
+        channelId: channelId ?? this.channelId,
+        content: content ?? this.content,
+        createdAt: createdAt ?? this.createdAt,
+      );
+  SnLocalChatMessageData copyWithCompanion(SnLocalChatMessageCompanion data) {
+    return SnLocalChatMessageData(
+      id: data.id.present ? data.id.value : this.id,
+      channelId: data.channelId.present ? data.channelId.value : this.channelId,
+      content: data.content.present ? data.content.value : this.content,
+      createdAt: data.createdAt.present ? data.createdAt.value : this.createdAt,
+    );
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalChatMessageData(')
+          ..write('id: $id, ')
+          ..write('channelId: $channelId, ')
+          ..write('content: $content, ')
+          ..write('createdAt: $createdAt')
+          ..write(')'))
+        .toString();
+  }
+
+  @override
+  int get hashCode => Object.hash(id, channelId, content, createdAt);
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      (other is SnLocalChatMessageData &&
+          other.id == this.id &&
+          other.channelId == this.channelId &&
+          other.content == this.content &&
+          other.createdAt == this.createdAt);
+}
+
+class SnLocalChatMessageCompanion
+    extends UpdateCompanion<SnLocalChatMessageData> {
+  final Value<int> id;
+  final Value<int> channelId;
+  final Value<String> content;
+  final Value<DateTime> createdAt;
+  const SnLocalChatMessageCompanion({
+    this.id = const Value.absent(),
+    this.channelId = const Value.absent(),
+    this.content = const Value.absent(),
+    this.createdAt = const Value.absent(),
+  });
+  SnLocalChatMessageCompanion.insert({
+    this.id = const Value.absent(),
+    required int channelId,
+    required String content,
+    this.createdAt = const Value.absent(),
+  })  : channelId = Value(channelId),
+        content = Value(content);
+  static Insertable<SnLocalChatMessageData> custom({
+    Expression<int>? id,
+    Expression<int>? channelId,
+    Expression<String>? content,
+    Expression<DateTime>? createdAt,
+  }) {
+    return RawValuesInsertable({
+      if (id != null) 'id': id,
+      if (channelId != null) 'channel_id': channelId,
+      if (content != null) 'content': content,
+      if (createdAt != null) 'created_at': createdAt,
+    });
+  }
+
+  SnLocalChatMessageCompanion copyWith(
+      {Value<int>? id,
+      Value<int>? channelId,
+      Value<String>? content,
+      Value<DateTime>? createdAt}) {
+    return SnLocalChatMessageCompanion(
+      id: id ?? this.id,
+      channelId: channelId ?? this.channelId,
+      content: content ?? this.content,
+      createdAt: createdAt ?? this.createdAt,
+    );
+  }
+
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    if (id.present) {
+      map['id'] = Variable<int>(id.value);
+    }
+    if (channelId.present) {
+      map['channel_id'] = Variable<int>(channelId.value);
+    }
+    if (content.present) {
+      map['content'] = Variable<String>(content.value);
+    }
+    if (createdAt.present) {
+      map['created_at'] = Variable<DateTime>(createdAt.value);
+    }
+    return map;
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalChatMessageCompanion(')
+          ..write('id: $id, ')
+          ..write('channelId: $channelId, ')
+          ..write('content: $content, ')
+          ..write('createdAt: $createdAt')
+          ..write(')'))
+        .toString();
+  }
+}
+
+class DatabaseAtV1 extends GeneratedDatabase {
+  DatabaseAtV1(QueryExecutor e) : super(e);
+  late final SnLocalChatChannel snLocalChatChannel = SnLocalChatChannel(this);
+  late final SnLocalChatMessage snLocalChatMessage = SnLocalChatMessage(this);
+  @override
+  Iterable<TableInfo<Table, Object?>> get allTables =>
+      allSchemaEntities.whereType<TableInfo<Table, Object?>>();
+  @override
+  List<DatabaseSchemaEntity> get allSchemaEntities =>
+      [snLocalChatChannel, snLocalChatMessage];
+  @override
+  int get schemaVersion => 1;
+}

test/drift/my_database/generated/schema_v2.dart

@@ -0,0 +1,697 @@
+// dart format width=80
+// GENERATED CODE, DO NOT EDIT BY HAND.
+// ignore_for_file: type=lint
+import 'package:drift/drift.dart';
+
+class SnLocalChatChannel extends Table
+    with TableInfo<SnLocalChatChannel, SnLocalChatChannelData> {
+  @override
+  final GeneratedDatabase attachedDatabase;
+  final String? _alias;
+  SnLocalChatChannel(this.attachedDatabase, [this._alias]);
+  late final GeneratedColumn<int> id = GeneratedColumn<int>(
+      'id', aliasedName, false,
+      hasAutoIncrement: true,
+      type: DriftSqlType.int,
+      requiredDuringInsert: false,
+      defaultConstraints:
+          GeneratedColumn.constraintIsAlways('PRIMARY KEY AUTOINCREMENT'));
+  late final GeneratedColumn<String> alias = GeneratedColumn<String>(
+      'alias', aliasedName, false,
+      type: DriftSqlType.string, requiredDuringInsert: true);
+  late final GeneratedColumn<String> content = GeneratedColumn<String>(
+      'content', aliasedName, false,
+      type: DriftSqlType.string, requiredDuringInsert: true);
+  late final GeneratedColumn<DateTime> createdAt = GeneratedColumn<DateTime>(
+      'created_at', aliasedName, false,
+      type: DriftSqlType.dateTime,
+      requiredDuringInsert: false,
+      defaultValue: const CustomExpression(
+          'CAST(strftime(\'%s\', CURRENT_TIMESTAMP) AS INTEGER)'));
+  @override
+  List<GeneratedColumn> get $columns => [id, alias, content, createdAt];
+  @override
+  String get aliasedName => _alias ?? actualTableName;
+  @override
+  String get actualTableName => $name;
+  static const String $name = 'sn_local_chat_channel';
+  @override
+  Set<GeneratedColumn> get $primaryKey => {id};
+  @override
+  SnLocalChatChannelData map(Map<String, dynamic> data, {String? tablePrefix}) {
+    final effectivePrefix = tablePrefix != null ? '$tablePrefix.' : '';
+    return SnLocalChatChannelData(
+      id: attachedDatabase.typeMapping
+          .read(DriftSqlType.int, data['${effectivePrefix}id'])!,
+      alias: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}alias'])!,
+      content: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}content'])!,
+      createdAt: attachedDatabase.typeMapping
+          .read(DriftSqlType.dateTime, data['${effectivePrefix}created_at'])!,
+    );
+  }
+
+  @override
+  SnLocalChatChannel createAlias(String alias) {
+    return SnLocalChatChannel(attachedDatabase, alias);
+  }
+}
+
+class SnLocalChatChannelData extends DataClass
+    implements Insertable<SnLocalChatChannelData> {
+  final int id;
+  final String alias;
+  final String content;
+  final DateTime createdAt;
+  const SnLocalChatChannelData(
+      {required this.id,
+      required this.alias,
+      required this.content,
+      required this.createdAt});
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    map['id'] = Variable<int>(id);
+    map['alias'] = Variable<String>(alias);
+    map['content'] = Variable<String>(content);
+    map['created_at'] = Variable<DateTime>(createdAt);
+    return map;
+  }
+
+  SnLocalChatChannelCompanion toCompanion(bool nullToAbsent) {
+    return SnLocalChatChannelCompanion(
+      id: Value(id),
+      alias: Value(alias),
+      content: Value(content),
+      createdAt: Value(createdAt),
+    );
+  }
+
+  factory SnLocalChatChannelData.fromJson(Map<String, dynamic> json,
+      {ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return SnLocalChatChannelData(
+      id: serializer.fromJson<int>(json['id']),
+      alias: serializer.fromJson<String>(json['alias']),
+      content: serializer.fromJson<String>(json['content']),
+      createdAt: serializer.fromJson<DateTime>(json['createdAt']),
+    );
+  }
+  @override
+  Map<String, dynamic> toJson({ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return <String, dynamic>{
+      'id': serializer.toJson<int>(id),
+      'alias': serializer.toJson<String>(alias),
+      'content': serializer.toJson<String>(content),
+      'createdAt': serializer.toJson<DateTime>(createdAt),
+    };
+  }
+
+  SnLocalChatChannelData copyWith(
+          {int? id, String? alias, String? content, DateTime? createdAt}) =>
+      SnLocalChatChannelData(
+        id: id ?? this.id,
+        alias: alias ?? this.alias,
+        content: content ?? this.content,
+        createdAt: createdAt ?? this.createdAt,
+      );
+  SnLocalChatChannelData copyWithCompanion(SnLocalChatChannelCompanion data) {
+    return SnLocalChatChannelData(
+      id: data.id.present ? data.id.value : this.id,
+      alias: data.alias.present ? data.alias.value : this.alias,
+      content: data.content.present ? data.content.value : this.content,
+      createdAt: data.createdAt.present ? data.createdAt.value : this.createdAt,
+    );
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalChatChannelData(')
+          ..write('id: $id, ')
+          ..write('alias: $alias, ')
+          ..write('content: $content, ')
+          ..write('createdAt: $createdAt')
+          ..write(')'))
+        .toString();
+  }
+
+  @override
+  int get hashCode => Object.hash(id, alias, content, createdAt);
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      (other is SnLocalChatChannelData &&
+          other.id == this.id &&
+          other.alias == this.alias &&
+          other.content == this.content &&
+          other.createdAt == this.createdAt);
+}
+
+class SnLocalChatChannelCompanion
+    extends UpdateCompanion<SnLocalChatChannelData> {
+  final Value<int> id;
+  final Value<String> alias;
+  final Value<String> content;
+  final Value<DateTime> createdAt;
+  const SnLocalChatChannelCompanion({
+    this.id = const Value.absent(),
+    this.alias = const Value.absent(),
+    this.content = const Value.absent(),
+    this.createdAt = const Value.absent(),
+  });
+  SnLocalChatChannelCompanion.insert({
+    this.id = const Value.absent(),
+    required String alias,
+    required String content,
+    this.createdAt = const Value.absent(),
+  })  : alias = Value(alias),
+        content = Value(content);
+  static Insertable<SnLocalChatChannelData> custom({
+    Expression<int>? id,
+    Expression<String>? alias,
+    Expression<String>? content,
+    Expression<DateTime>? createdAt,
+  }) {
+    return RawValuesInsertable({
+      if (id != null) 'id': id,
+      if (alias != null) 'alias': alias,
+      if (content != null) 'content': content,
+      if (createdAt != null) 'created_at': createdAt,
+    });
+  }
+
+  SnLocalChatChannelCompanion copyWith(
+      {Value<int>? id,
+      Value<String>? alias,
+      Value<String>? content,
+      Value<DateTime>? createdAt}) {
+    return SnLocalChatChannelCompanion(
+      id: id ?? this.id,
+      alias: alias ?? this.alias,
+      content: content ?? this.content,
+      createdAt: createdAt ?? this.createdAt,
+    );
+  }
+
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    if (id.present) {
+      map['id'] = Variable<int>(id.value);
+    }
+    if (alias.present) {
+      map['alias'] = Variable<String>(alias.value);
+    }
+    if (content.present) {
+      map['content'] = Variable<String>(content.value);
+    }
+    if (createdAt.present) {
+      map['created_at'] = Variable<DateTime>(createdAt.value);
+    }
+    return map;
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalChatChannelCompanion(')
+          ..write('id: $id, ')
+          ..write('alias: $alias, ')
+          ..write('content: $content, ')
+          ..write('createdAt: $createdAt')
+          ..write(')'))
+        .toString();
+  }
+}
+
+class SnLocalChatMessage extends Table
+    with TableInfo<SnLocalChatMessage, SnLocalChatMessageData> {
+  @override
+  final GeneratedDatabase attachedDatabase;
+  final String? _alias;
+  SnLocalChatMessage(this.attachedDatabase, [this._alias]);
+  late final GeneratedColumn<int> id = GeneratedColumn<int>(
+      'id', aliasedName, false,
+      hasAutoIncrement: true,
+      type: DriftSqlType.int,
+      requiredDuringInsert: false,
+      defaultConstraints:
+          GeneratedColumn.constraintIsAlways('PRIMARY KEY AUTOINCREMENT'));
+  late final GeneratedColumn<int> channelId = GeneratedColumn<int>(
+      'channel_id', aliasedName, false,
+      type: DriftSqlType.int, requiredDuringInsert: true);
+  late final GeneratedColumn<String> content = GeneratedColumn<String>(
+      'content', aliasedName, false,
+      type: DriftSqlType.string, requiredDuringInsert: true);
+  late final GeneratedColumn<DateTime> createdAt = GeneratedColumn<DateTime>(
+      'created_at', aliasedName, false,
+      type: DriftSqlType.dateTime,
+      requiredDuringInsert: false,
+      defaultValue: const CustomExpression(
+          'CAST(strftime(\'%s\', CURRENT_TIMESTAMP) AS INTEGER)'));
+  @override
+  List<GeneratedColumn> get $columns => [id, channelId, content, createdAt];
+  @override
+  String get aliasedName => _alias ?? actualTableName;
+  @override
+  String get actualTableName => $name;
+  static const String $name = 'sn_local_chat_message';
+  @override
+  Set<GeneratedColumn> get $primaryKey => {id};
+  @override
+  SnLocalChatMessageData map(Map<String, dynamic> data, {String? tablePrefix}) {
+    final effectivePrefix = tablePrefix != null ? '$tablePrefix.' : '';
+    return SnLocalChatMessageData(
+      id: attachedDatabase.typeMapping
+          .read(DriftSqlType.int, data['${effectivePrefix}id'])!,
+      channelId: attachedDatabase.typeMapping
+          .read(DriftSqlType.int, data['${effectivePrefix}channel_id'])!,
+      content: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}content'])!,
+      createdAt: attachedDatabase.typeMapping
+          .read(DriftSqlType.dateTime, data['${effectivePrefix}created_at'])!,
+    );
+  }
+
+  @override
+  SnLocalChatMessage createAlias(String alias) {
+    return SnLocalChatMessage(attachedDatabase, alias);
+  }
+}
+
+class SnLocalChatMessageData extends DataClass
+    implements Insertable<SnLocalChatMessageData> {
+  final int id;
+  final int channelId;
+  final String content;
+  final DateTime createdAt;
+  const SnLocalChatMessageData(
+      {required this.id,
+      required this.channelId,
+      required this.content,
+      required this.createdAt});
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    map['id'] = Variable<int>(id);
+    map['channel_id'] = Variable<int>(channelId);
+    map['content'] = Variable<String>(content);
+    map['created_at'] = Variable<DateTime>(createdAt);
+    return map;
+  }
+
+  SnLocalChatMessageCompanion toCompanion(bool nullToAbsent) {
+    return SnLocalChatMessageCompanion(
+      id: Value(id),
+      channelId: Value(channelId),
+      content: Value(content),
+      createdAt: Value(createdAt),
+    );
+  }
+
+  factory SnLocalChatMessageData.fromJson(Map<String, dynamic> json,
+      {ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return SnLocalChatMessageData(
+      id: serializer.fromJson<int>(json['id']),
+      channelId: serializer.fromJson<int>(json['channelId']),
+      content: serializer.fromJson<String>(json['content']),
+      createdAt: serializer.fromJson<DateTime>(json['createdAt']),
+    );
+  }
+  @override
+  Map<String, dynamic> toJson({ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return <String, dynamic>{
+      'id': serializer.toJson<int>(id),
+      'channelId': serializer.toJson<int>(channelId),
+      'content': serializer.toJson<String>(content),
+      'createdAt': serializer.toJson<DateTime>(createdAt),
+    };
+  }
+
+  SnLocalChatMessageData copyWith(
+          {int? id, int? channelId, String? content, DateTime? createdAt}) =>
+      SnLocalChatMessageData(
+        id: id ?? this.id,
+        channelId: channelId ?? this.channelId,
+        content: content ?? this.content,
+        createdAt: createdAt ?? this.createdAt,
+      );
+  SnLocalChatMessageData copyWithCompanion(SnLocalChatMessageCompanion data) {
+    return SnLocalChatMessageData(
+      id: data.id.present ? data.id.value : this.id,
+      channelId: data.channelId.present ? data.channelId.value : this.channelId,
+      content: data.content.present ? data.content.value : this.content,
+      createdAt: data.createdAt.present ? data.createdAt.value : this.createdAt,
+    );
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalChatMessageData(')
+          ..write('id: $id, ')
+          ..write('channelId: $channelId, ')
+          ..write('content: $content, ')
+          ..write('createdAt: $createdAt')
+          ..write(')'))
+        .toString();
+  }
+
+  @override
+  int get hashCode => Object.hash(id, channelId, content, createdAt);
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      (other is SnLocalChatMessageData &&
+          other.id == this.id &&
+          other.channelId == this.channelId &&
+          other.content == this.content &&
+          other.createdAt == this.createdAt);
+}
+
+class SnLocalChatMessageCompanion
+    extends UpdateCompanion<SnLocalChatMessageData> {
+  final Value<int> id;
+  final Value<int> channelId;
+  final Value<String> content;
+  final Value<DateTime> createdAt;
+  const SnLocalChatMessageCompanion({
+    this.id = const Value.absent(),
+    this.channelId = const Value.absent(),
+    this.content = const Value.absent(),
+    this.createdAt = const Value.absent(),
+  });
+  SnLocalChatMessageCompanion.insert({
+    this.id = const Value.absent(),
+    required int channelId,
+    required String content,
+    this.createdAt = const Value.absent(),
+  })  : channelId = Value(channelId),
+        content = Value(content);
+  static Insertable<SnLocalChatMessageData> custom({
+    Expression<int>? id,
+    Expression<int>? channelId,
+    Expression<String>? content,
+    Expression<DateTime>? createdAt,
+  }) {
+    return RawValuesInsertable({
+      if (id != null) 'id': id,
+      if (channelId != null) 'channel_id': channelId,
+      if (content != null) 'content': content,
+      if (createdAt != null) 'created_at': createdAt,
+    });
+  }
+
+  SnLocalChatMessageCompanion copyWith(
+      {Value<int>? id,
+      Value<int>? channelId,
+      Value<String>? content,
+      Value<DateTime>? createdAt}) {
+    return SnLocalChatMessageCompanion(
+      id: id ?? this.id,
+      channelId: channelId ?? this.channelId,
+      content: content ?? this.content,
+      createdAt: createdAt ?? this.createdAt,
+    );
+  }
+
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    if (id.present) {
+      map['id'] = Variable<int>(id.value);
+    }
+    if (channelId.present) {
+      map['channel_id'] = Variable<int>(channelId.value);
+    }
+    if (content.present) {
+      map['content'] = Variable<String>(content.value);
+    }
+    if (createdAt.present) {
+      map['created_at'] = Variable<DateTime>(createdAt.value);
+    }
+    return map;
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalChatMessageCompanion(')
+          ..write('id: $id, ')
+          ..write('channelId: $channelId, ')
+          ..write('content: $content, ')
+          ..write('createdAt: $createdAt')
+          ..write(')'))
+        .toString();
+  }
+}
+
+class SnLocalKeyPair extends Table
+    with TableInfo<SnLocalKeyPair, SnLocalKeyPairData> {
+  @override
+  final GeneratedDatabase attachedDatabase;
+  final String? _alias;
+  SnLocalKeyPair(this.attachedDatabase, [this._alias]);
+  late final GeneratedColumn<String> id = GeneratedColumn<String>(
+      'id', aliasedName, false,
+      type: DriftSqlType.string, requiredDuringInsert: true);
+  late final GeneratedColumn<int> accountId = GeneratedColumn<int>(
+      'account_id', aliasedName, false,
+      type: DriftSqlType.int, requiredDuringInsert: true);
+  late final GeneratedColumn<String> publicKey = GeneratedColumn<String>(
+      'public_key', aliasedName, false,
+      type: DriftSqlType.string, requiredDuringInsert: true);
+  late final GeneratedColumn<String> privateKey = GeneratedColumn<String>(
+      'private_key', aliasedName, true,
+      type: DriftSqlType.string, requiredDuringInsert: false);
+  @override
+  List<GeneratedColumn> get $columns => [id, accountId, publicKey, privateKey];
+  @override
+  String get aliasedName => _alias ?? actualTableName;
+  @override
+  String get actualTableName => $name;
+  static const String $name = 'sn_local_key_pair';
+  @override
+  Set<GeneratedColumn> get $primaryKey => const {};
+  @override
+  SnLocalKeyPairData map(Map<String, dynamic> data, {String? tablePrefix}) {
+    final effectivePrefix = tablePrefix != null ? '$tablePrefix.' : '';
+    return SnLocalKeyPairData(
+      id: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}id'])!,
+      accountId: attachedDatabase.typeMapping
+          .read(DriftSqlType.int, data['${effectivePrefix}account_id'])!,
+      publicKey: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}public_key'])!,
+      privateKey: attachedDatabase.typeMapping
+          .read(DriftSqlType.string, data['${effectivePrefix}private_key']),
+    );
+  }
+
+  @override
+  SnLocalKeyPair createAlias(String alias) {
+    return SnLocalKeyPair(attachedDatabase, alias);
+  }
+}
+
+class SnLocalKeyPairData extends DataClass
+    implements Insertable<SnLocalKeyPairData> {
+  final String id;
+  final int accountId;
+  final String publicKey;
+  final String? privateKey;
+  const SnLocalKeyPairData(
+      {required this.id,
+      required this.accountId,
+      required this.publicKey,
+      this.privateKey});
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    map['id'] = Variable<String>(id);
+    map['account_id'] = Variable<int>(accountId);
+    map['public_key'] = Variable<String>(publicKey);
+    if (!nullToAbsent || privateKey != null) {
+      map['private_key'] = Variable<String>(privateKey);
+    }
+    return map;
+  }
+
+  SnLocalKeyPairCompanion toCompanion(bool nullToAbsent) {
+    return SnLocalKeyPairCompanion(
+      id: Value(id),
+      accountId: Value(accountId),
+      publicKey: Value(publicKey),
+      privateKey: privateKey == null && nullToAbsent
+          ? const Value.absent()
+          : Value(privateKey),
+    );
+  }
+
+  factory SnLocalKeyPairData.fromJson(Map<String, dynamic> json,
+      {ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return SnLocalKeyPairData(
+      id: serializer.fromJson<String>(json['id']),
+      accountId: serializer.fromJson<int>(json['accountId']),
+      publicKey: serializer.fromJson<String>(json['publicKey']),
+      privateKey: serializer.fromJson<String?>(json['privateKey']),
+    );
+  }
+  @override
+  Map<String, dynamic> toJson({ValueSerializer? serializer}) {
+    serializer ??= driftRuntimeOptions.defaultSerializer;
+    return <String, dynamic>{
+      'id': serializer.toJson<String>(id),
+      'accountId': serializer.toJson<int>(accountId),
+      'publicKey': serializer.toJson<String>(publicKey),
+      'privateKey': serializer.toJson<String?>(privateKey),
+    };
+  }
+
+  SnLocalKeyPairData copyWith(
+          {String? id,
+          int? accountId,
+          String? publicKey,
+          Value<String?> privateKey = const Value.absent()}) =>
+      SnLocalKeyPairData(
+        id: id ?? this.id,
+        accountId: accountId ?? this.accountId,
+        publicKey: publicKey ?? this.publicKey,
+        privateKey: privateKey.present ? privateKey.value : this.privateKey,
+      );
+  SnLocalKeyPairData copyWithCompanion(SnLocalKeyPairCompanion data) {
+    return SnLocalKeyPairData(
+      id: data.id.present ? data.id.value : this.id,
+      accountId: data.accountId.present ? data.accountId.value : this.accountId,
+      publicKey: data.publicKey.present ? data.publicKey.value : this.publicKey,
+      privateKey:
+          data.privateKey.present ? data.privateKey.value : this.privateKey,
+    );
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalKeyPairData(')
+          ..write('id: $id, ')
+          ..write('accountId: $accountId, ')
+          ..write('publicKey: $publicKey, ')
+          ..write('privateKey: $privateKey')
+          ..write(')'))
+        .toString();
+  }
+
+  @override
+  int get hashCode => Object.hash(id, accountId, publicKey, privateKey);
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      (other is SnLocalKeyPairData &&
+          other.id == this.id &&
+          other.accountId == this.accountId &&
+          other.publicKey == this.publicKey &&
+          other.privateKey == this.privateKey);
+}
+
+class SnLocalKeyPairCompanion extends UpdateCompanion<SnLocalKeyPairData> {
+  final Value<String> id;
+  final Value<int> accountId;
+  final Value<String> publicKey;
+  final Value<String?> privateKey;
+  final Value<int> rowid;
+  const SnLocalKeyPairCompanion({
+    this.id = const Value.absent(),
+    this.accountId = const Value.absent(),
+    this.publicKey = const Value.absent(),
+    this.privateKey = const Value.absent(),
+    this.rowid = const Value.absent(),
+  });
+  SnLocalKeyPairCompanion.insert({
+    required String id,
+    required int accountId,
+    required String publicKey,
+    this.privateKey = const Value.absent(),
+    this.rowid = const Value.absent(),
+  })  : id = Value(id),
+        accountId = Value(accountId),
+        publicKey = Value(publicKey);
+  static Insertable<SnLocalKeyPairData> custom({
+    Expression<String>? id,
+    Expression<int>? accountId,
+    Expression<String>? publicKey,
+    Expression<String>? privateKey,
+    Expression<int>? rowid,
+  }) {
+    return RawValuesInsertable({
+      if (id != null) 'id': id,
+      if (accountId != null) 'account_id': accountId,
+      if (publicKey != null) 'public_key': publicKey,
+      if (privateKey != null) 'private_key': privateKey,
+      if (rowid != null) 'rowid': rowid,
+    });
+  }
+
+  SnLocalKeyPairCompanion copyWith(
+      {Value<String>? id,
+      Value<int>? accountId,
+      Value<String>? publicKey,
+      Value<String?>? privateKey,
+      Value<int>? rowid}) {
+    return SnLocalKeyPairCompanion(
+      id: id ?? this.id,
+      accountId: accountId ?? this.accountId,
+      publicKey: publicKey ?? this.publicKey,
+      privateKey: privateKey ?? this.privateKey,
+      rowid: rowid ?? this.rowid,
+    );
+  }
+
+  @override
+  Map<String, Expression> toColumns(bool nullToAbsent) {
+    final map = <String, Expression>{};
+    if (id.present) {
+      map['id'] = Variable<String>(id.value);
+    }
+    if (accountId.present) {
+      map['account_id'] = Variable<int>(accountId.value);
+    }
+    if (publicKey.present) {
+      map['public_key'] = Variable<String>(publicKey.value);
+    }
+    if (privateKey.present) {
+      map['private_key'] = Variable<String>(privateKey.value);
+    }
+    if (rowid.present) {
+      map['rowid'] = Variable<int>(rowid.value);
+    }
+    return map;
+  }
+
+  @override
+  String toString() {
+    return (StringBuffer('SnLocalKeyPairCompanion(')
+          ..write('id: $id, ')
+          ..write('accountId: $accountId, ')
+          ..write('publicKey: $publicKey, ')
+          ..write('privateKey: $privateKey, ')
+          ..write('rowid: $rowid')
+          ..write(')'))
+        .toString();
+  }
+}
+
+class DatabaseAtV2 extends GeneratedDatabase {
+  DatabaseAtV2(QueryExecutor e) : super(e);
+  late final SnLocalChatChannel snLocalChatChannel = SnLocalChatChannel(this);
+  late final SnLocalChatMessage snLocalChatMessage = SnLocalChatMessage(this);
+  late final SnLocalKeyPair snLocalKeyPair = SnLocalKeyPair(this);
+  @override
+  Iterable<TableInfo<Table, Object?>> get allTables =>
+      allSchemaEntities.whereType<TableInfo<Table, Object?>>();
+  @override
+  List<DatabaseSchemaEntity> get allSchemaEntities =>
+      [snLocalChatChannel, snLocalChatMessage, snLocalKeyPair];
+  @override
+  int get schemaVersion => 2;
+}

test/drift/my_database/migration_test.dart

@@ -0,0 +1,75 @@
+// dart format width=80
+// ignore_for_file: unused_local_variable, unused_import
+import 'package:drift/drift.dart';
+import 'package:drift_dev/api/migrations_native.dart';
+import 'package:surface/database/database.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'generated/schema.dart';
+
+import 'generated/schema_v1.dart' as v1;
+import 'generated/schema_v2.dart' as v2;
+
+void main() {
+  driftRuntimeOptions.dontWarnAboutMultipleDatabases = true;
+  late SchemaVerifier verifier;
+
+  setUpAll(() {
+    verifier = SchemaVerifier(GeneratedHelper());
+  });
+
+  group('simple database migrations', () {
+    // These simple tests verify all possible schema updates with a simple (no
+    // data) migration. This is a quick way to ensure that written database
+    // migrations properly alter the schema.
+    const versions = GeneratedHelper.versions;
+    for (final (i, fromVersion) in versions.indexed) {
+      group('from $fromVersion', () {
+        for (final toVersion in versions.skip(i + 1)) {
+          test('to $toVersion', () async {
+            final schema = await verifier.schemaAt(fromVersion);
+            final db = AppDatabase(schema.newConnection());
+            await verifier.migrateAndValidate(db, toVersion);
+            await db.close();
+          });
+        }
+      });
+    }
+  });
+
+  // The following template shows how to write tests ensuring your migrations
+  // preserve existing data.
+  // Testing this can be useful for migrations that change existing columns
+  // (e.g. by alterating their type or constraints). Migrations that only add
+  // tables or columns typically don't need these advanced tests. For more
+  // information, see https://drift.simonbinder.eu/migrations/tests/#verifying-data-integrity
+  // TODO: This generated template shows how these tests could be written. Adopt
+  // it to your own needs when testing migrations with data integrity.
+  test('migration from v1 to v2 does not corrupt data', () async {
+    // Add data to insert into the old database, and the expected rows after the
+    // migration.
+    // TODO: Fill these lists
+    final oldSnLocalChatChannelData = <v1.SnLocalChatChannelData>[];
+    final expectedNewSnLocalChatChannelData = <v2.SnLocalChatChannelData>[];
+
+    final oldSnLocalChatMessageData = <v1.SnLocalChatMessageData>[];
+    final expectedNewSnLocalChatMessageData = <v2.SnLocalChatMessageData>[];
+
+    await verifier.testWithDataIntegrity(
+      oldVersion: 1,
+      newVersion: 2,
+      createOld: v1.DatabaseAtV1.new,
+      createNew: v2.DatabaseAtV2.new,
+      openTestedDatabase: AppDatabase.new,
+      createItems: (batch, oldDb) {
+        batch.insertAll(oldDb.snLocalChatChannel, oldSnLocalChatChannelData);
+        batch.insertAll(oldDb.snLocalChatMessage, oldSnLocalChatMessageData);
+      },
+      validateItems: (newDb) async {
+        expect(expectedNewSnLocalChatChannelData,
+            await newDb.select(newDb.snLocalChatChannel).get());
+        expect(expectedNewSnLocalChatMessageData,
+            await newDb.select(newDb.snLocalChatMessage).get());
+      },
+    );
+  });
+}