nextcloud,neon: Fix login and user name mess

packages/neon/integration_test/screenshot_test.dart

@@ -119,7 +119,6 @@ Future pumpAppPage(
     AppStorage('accounts', sharedPreferences),
     sharedPreferences,
     globalOptions,
-    packageInfo,
     allAppImplementations,
   );
   if (account != null) {
@@ -227,9 +226,10 @@ Future main() async {
     packageInfo = await PackageInfo.fromPlatform();
     account = Account(
       serverURL: 'http://10.0.2.2',
+      loginName: 'user1',
       username: 'user1',
       password: 'user1',
-    )..setupClient(packageInfo);
+    );
 
     await SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: []);
   });
@@ -462,14 +462,12 @@ Future main() async {
   });
 
   testWidgets('notifications', (final tester) async {
-    await (Account(
+    await Account(
       serverURL: 'http://10.0.2.2',
+      loginName: 'admin',
       username: 'admin',
       password: 'admin',
-    )..setupClient(packageInfo))
+    ).client.notifications.sendAdminNotification(
-        .client
-        .notifications
-        .sendAdminNotification(
           userId: account.username,
           shortMessage: 'Notifications demo',
           longMessage: 'This is a notifications demo of the Neon app',

packages/neon/lib/main.dart

@@ -46,7 +46,6 @@ Future main() async {
     AppStorage('accounts', sharedPreferences),
     sharedPreferences,
     globalOptions,
-    packageInfo,
     allAppImplementations,
   );
   final pushNotificationsBloc = PushNotificationsBloc(

packages/neon/lib/src/blocs/accounts.dart

@@ -7,7 +7,6 @@ import 'package:neon/src/blocs/user_details.dart';
 import 'package:neon/src/blocs/user_status.dart';
 import 'package:neon/src/models/account.dart';
 import 'package:neon/src/neon.dart';
-import 'package:package_info_plus/package_info_plus.dart';
 import 'package:rxdart/rxdart.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
@@ -30,7 +29,6 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
     this._storage,
     this._sharedPreferences,
     this._globalOptions,
-    this._packageInfo,
     this._allAppImplementations,
   ) {
     accounts.listen((final as) async {
@@ -42,7 +40,7 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
       accounts.add(
         _storage
             .getStringList(_keyAccounts)!
-            .map((final a) => (Account.fromJson(json.decode(a) as Map<String, dynamic>))..setupClient(_packageInfo))
+            .map((final a) => Account.fromJson(json.decode(a) as Map<String, dynamic>))
             .toList(),
       );
     }
@@ -69,7 +67,6 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
   final SharedPreferences _sharedPreferences;
   final GlobalOptions _globalOptions;
   final List<AppImplementation> _allAppImplementations;
-  final PackageInfo _packageInfo;
   final _keyAccounts = 'accounts';
   final _keyLastUsedAccount = 'last-used-account';
 
@@ -102,7 +99,6 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
 
   @override
   void addAccount(final Account account) {
-    account.setupClient(_packageInfo);
     if (activeAccount.valueOrNull == null) {
       setActiveAccount(account);
     }
@@ -140,7 +136,6 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
 
   @override
   void updateAccount(final Account account) {
-    account.setupClient(_packageInfo);
     final as = accounts.value;
     final index = as.indexWhere((final a) => a.id == account.id);
     if (index == -1) {

packages/neon/lib/src/blocs/push_notifications.dart

@@ -134,7 +134,7 @@ class PushNotificationsBloc extends Bloc implements PushNotificationsBlocEvents,
 
   Future _registerUnifiedPushInstances(final List<Account> accounts) async {
     // Notifications will only work on accounts with app password
-    for (final account in accounts.where((final a) => a.appPassword != null)) {
+    for (final account in accounts.where((final a) => a.password != null)) {
       await UnifiedPush.registerApp(account.client.id);
     }
   }

packages/neon/lib/src/models/account.dart

@@ -7,6 +7,29 @@ import 'package:package_info_plus/package_info_plus.dart';
 
 part 'account.g.dart';
 
+Future<Account> getAccount(
+  final PackageInfo packageInfo,
+  final String serverURL,
+  final String loginName,
+  final String password,
+) async {
+  final username = (await NextcloudClient(
+    serverURL,
+    loginName: loginName,
+    password: password,
+  ).provisioningApi.getCurrentUser())
+      .ocs
+      .data
+      .id;
+  return Account(
+    serverURL: serverURL,
+    loginName: loginName,
+    username: username,
+    password: password,
+    userAgent: userAgent(packageInfo),
+  );
+}
+
 String userAgent(final PackageInfo packageInfo) {
   var buildNumber = packageInfo.buildNumber;
   if (buildNumber == '') {
@@ -19,30 +42,30 @@ String userAgent(final PackageInfo packageInfo) {
 class Account {
   Account({
     required this.serverURL,
+    required this.loginName,
     required this.username,
     this.password,
-    this.appPassword,
+    this.userAgent,
-  }) : assert(
+  });
-          (password != null && appPassword == null) || (password == null && appPassword != null),
-          'Either password or appPassword has to be set',
-        );
 
   factory Account.fromJson(final Map<String, dynamic> json) => _$AccountFromJson(json);
   Map<String, dynamic> toJson() => _$AccountToJson(this);
 
   final String serverURL;
+  final String loginName;
   final String username;
   final String? password;
-  final String? appPassword;
+  final String? userAgent;
 
   @override
   // ignore: avoid_equals_and_hash_code_on_mutable_classes
   bool operator ==(final Object other) =>
       other is Account &&
       other.serverURL == serverURL &&
+      other.loginName == loginName &&
       other.username == username &&
       other.password == password &&
-      other.appPassword == appPassword;
+      other.userAgent == userAgent;
 
   @override
   // ignore: avoid_equals_and_hash_code_on_mutable_classes
@@ -52,24 +75,15 @@ class Account {
 
   NextcloudClient? _client;
 
-  void setupClient(final PackageInfo packageInfo) {
+  NextcloudClient get client => _client ??= NextcloudClient(
-    _client ??= NextcloudClient(
         serverURL,
+        loginName: loginName,
         username: username,
-      password: appPassword ?? password,
+        password: password,
-      userAgentOverride: userAgent(packageInfo),
+        userAgentOverride: userAgent,
       );
 }
 
-  NextcloudClient get client {
-    if (_client == null) {
-      throw Exception('You need to call setupClient() first');
-    }
-
-    return _client!;
-  }
-}
-
 Map<String, String> _idCache = {};
 
 extension NextcloudClientHelpers on NextcloudClient {

packages/neon/lib/src/models/account.g.dart

@@ -8,14 +8,16 @@ part of 'account.dart';
 
 Account _$AccountFromJson(Map<String, dynamic> json) => Account(
       serverURL: json['serverURL'] as String,
+      loginName: json['loginName'] as String,
       username: json['username'] as String,
       password: json['password'] as String?,
-      appPassword: json['appPassword'] as String?,
+      userAgent: json['userAgent'] as String?,
     );
 
 Map<String, dynamic> _$AccountToJson(Account instance) => <String, dynamic>{
       'serverURL': instance.serverURL,
+      'loginName': instance.loginName,
       'username': instance.username,
       'password': instance.password,
-      'appPassword': instance.appPassword,
+      'userAgent': instance.userAgent,
     };

packages/neon/lib/src/pages/login.dart

@@ -48,32 +48,39 @@ class _LoginPageState extends State<LoginPage> {
 
     _loginBloc.loginFlowResult.listen((final result) async {
       if (result != null) {
-        final account = Account(
+        try {
-          serverURL: result.server,
+          final account = await getAccount(
-          username: result.loginName,
+            _packageInfo,
-          appPassword: result.appPassword,
+            result.server,
-        )..setupClient(await PackageInfo.fromPlatform());
+            result.loginName,
+            result.appPassword,
+          );
 
           if (!mounted) {
             return;
           }
 
-        final accountsBloc = Provider.of<AccountsBloc>(context, listen: false);
           if (widget.serverURL != null) {
-          accountsBloc.updateAccount(account);
+            _accountsBloc.updateAccount(account);
             Navigator.of(context).pop();
           } else {
-          for (final a in accountsBloc.accounts.value) {
+            for (final a in _accountsBloc.accounts.value) {
               if (a.id == account.id) {
                 ExceptionWidget.showSnackbar(context, AppLocalizations.of(context).errorAccountAlreadyExists);
                 await _loginBloc.refresh();
                 return;
               }
             }
-          accountsBloc
+            _accountsBloc
               ..addAccount(account)
               ..setActiveAccount(account);
           }
+        } catch (e, s) {
+          debugPrint(e.toString());
+          debugPrint(s.toString());
+          ExceptionWidget.showSnackbar(context, e);
+          await _loginBloc.refresh();
+        }
       }
     });
   }

packages/nextcloud/lib/src/client.dart

@@ -5,6 +5,7 @@ class NextcloudClient extends Client {
   // ignore: public_member_api_docs
   NextcloudClient(
     super.baseURL, {
+    this.loginName,
     this.username,
     final String? password,
     final String? language,
@@ -19,20 +20,24 @@ class NextcloudClient extends Client {
           }..removeWhere((final _, final value) => value == null))
               .cast<String, String>(),
           userAgent: userAgentOverride ?? appType.userAgent,
-          authentication: username != null && password != null
+          authentication: loginName != null && password != null
               ? HttpBasicAuthentication(
-                  username: username,
+                  username: loginName,
                   password: password,
                 )
               : null,
         );
 
-  /// Username used for all operations. Necessary for accessing WebDAV resources
+  /// Identifier used for authentication. This can be the username or email or something else.
+  final String? loginName;
+
+  /// Username of the user on the server, it needs to be set for using WebDAV.
+  /// It can be obtained via the provisioning_api.
   final String? username;
 
   WebDavClient? _webdav;
 
-  /// Client for WebDAV. Will be null if no username is set for the client
+  /// Client for WebDAV. Username needs to be set in order to use it
   WebDavClient get webdav {
     if (_webdav != null) {
       return _webdav!;
@@ -43,7 +48,7 @@ class NextcloudClient extends Client {
 
     return _webdav = WebDavClient(
       this,
-      '/remote.php/dav/files/${(super.authentication! as HttpBasicAuthentication).username}',
+      '/remote.php/dav/files/$username',
     );
   }
 }

packages/nextcloud/test/helper.dart

@@ -86,6 +86,7 @@ class DockerContainer {
 class TestNextcloudClient extends NextcloudClient {
   TestNextcloudClient(
     super.baseURL, {
+    super.loginName,
     super.username,
     super.password,
     super.language,
@@ -135,6 +136,7 @@ Future<TestNextcloudClient> getTestClient(
 
   final client = TestNextcloudClient(
     'http://localhost:${container.port}',
+    loginName: username,
     username: username,
     password: clientPassword,
     appType: appType,