migrate chatty

packages/chatty/lib/domain/models/chat_user.dart

@@ -1,6 +1,6 @@
 class ChatUser {
   const ChatUser({this.name, this.image, this.id});
-  final String name;
-  final String image;
-  final String id;
+  final String? name;
+  final String? image;
+  final String? id;
 }

packages/chatty/lib/domain/usecases/create_group_usecase.dart

@@ -7,9 +7,9 @@ import 'package:uuid/uuid.dart';
 
 class CreateGroupInput {
   CreateGroupInput({this.imageFile, this.name, this.members});
-  final File imageFile;
-  final String name;
-  final List<String> members;
+  final File? imageFile;
+  final String? name;
+  final List<String?>? members;
 }
 
 class CreateGroupUseCase {
@@ -23,7 +23,7 @@ class CreateGroupUseCase {
 
   Future<Channel> createGroup(CreateGroupInput input) async {
     final channelId = Uuid().v4();
-    String image;
+    String? image;
     if (input.imageFile != null) {
       image = await _uploadStorageRepository.uploadPhoto(
           input.imageFile, 'channels/$channelId');

packages/chatty/lib/domain/usecases/profile_sign_in_usecase.dart

@@ -5,10 +5,12 @@ import 'package:stream_chatter/data/stream_api_repository.dart';
 import 'package:stream_chatter/data/upload_storage_repository.dart';
 import 'package:stream_chatter/domain/models/chat_user.dart';
 
+import '../exceptions/auth_exception.dart';
+
 class ProfileInput {
   ProfileInput({this.imageFile, this.name});
-  final File imageFile;
-  final String name;
+  final File? imageFile;
+  final String? name;
 }
 
 class ProfileSignInUseCase {
@@ -24,13 +26,21 @@ class ProfileSignInUseCase {
 
   Future<void> verify(ProfileInput input) async {
     final auth = await _authRepository.getAuthUser();
+    if (auth == null) {
+      throw AuthException(AuthErrorCode.not_auth);
+    }
     final token = await _streamApiRepository.getToken(auth.id);
-    String image;
+    String? image;
     if (input.imageFile != null) {
       image = await _uploadStorageRepository.uploadPhoto(
           input.imageFile, 'users/${auth.id}');
     }
     await _streamApiRepository.connectUser(
-        ChatUser(name: input.name, id: auth.id, image: image), token);
+        ChatUser(
+          name: input.name,
+          id: auth.id,
+          image: image,
+        ),
+        token);
   }
 }