feat: Migrate to go_router

lib/features/login/view/login_page.dart

@@ -1,161 +1,78 @@
-import 'dart:async';
-
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'package:go_router/go_router.dart';
 import 'package:hive_flutter/adapters.dart';
 import 'package:paperless_api/paperless_api.dart';
 import 'package:paperless_mobile/core/config/hive/hive_config.dart';
-import 'package:paperless_mobile/core/database/tables/local_user_account.dart';
-import 'package:paperless_mobile/core/exception/server_message_exception.dart';
+import 'package:paperless_mobile/core/database/tables/global_settings.dart';
+import 'package:paperless_mobile/features/app_intro/application_intro_slideshow.dart';
 import 'package:paperless_mobile/features/login/cubit/authentication_cubit.dart';
 import 'package:paperless_mobile/features/login/model/client_certificate.dart';
-import 'package:paperless_mobile/features/login/model/client_certificate_form_model.dart';
 import 'package:paperless_mobile/features/login/model/login_form_credentials.dart';
-import 'package:paperless_mobile/features/login/view/widgets/form_fields/client_certificate_form_field.dart';
-import 'package:paperless_mobile/features/login/view/widgets/form_fields/server_address_form_field.dart';
-import 'package:paperless_mobile/features/login/view/widgets/form_fields/user_credentials_form_field.dart';
-import 'package:paperless_mobile/features/login/view/widgets/login_pages/server_connection_page.dart';
-import 'package:paperless_mobile/features/users/view/widgets/user_account_list_tile.dart';
+import 'package:paperless_mobile/features/login/view/add_account_page.dart';
 import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
 import 'package:paperless_mobile/helpers/message_helpers.dart';
+import 'package:paperless_mobile/routes/typed/branches/documents_route.dart';
 
-import 'widgets/login_pages/server_login_page.dart';
-import 'widgets/never_scrollable_scroll_behavior.dart';
+class LoginPage extends StatelessWidget {
+  const LoginPage({super.key});
 
-class LoginPage extends StatefulWidget {
-  final FutureOr<void> Function(
+  @override
+  Widget build(BuildContext context) {
+    return AddAccountPage(
+      titleString: S.of(context)!.connectToPaperless,
+      submitText: S.of(context)!.signIn,
+      onSubmit: _onLogin,
+      showLocalAccounts: true,
+    );
+  }
+
+  void _onLogin(
     BuildContext context,
     String username,
     String password,
     String serverUrl,
     ClientCertificate? clientCertificate,
-  ) onSubmit;
-
-  final String submitText;
-  final String titleString;
-
-  final bool showLocalAccounts;
-
-  const LoginPage({
-    Key? key,
-    required this.onSubmit,
-    required this.submitText,
-    required this.titleString,
-    this.showLocalAccounts = false,
-  }) : super(key: key);
-
-  @override
-  State<LoginPage> createState() => _LoginPageState();
-}
-
-class _LoginPageState extends State<LoginPage> {
-  final _formKey = GlobalKey<FormBuilderState>();
-
-  final PageController _pageController = PageController();
-
-  @override
-  Widget build(BuildContext context) {
-    final localAccounts =
-        Hive.box<LocalUserAccount>(HiveBoxes.localUserAccount);
-    return Scaffold(
-      resizeToAvoidBottomInset: false,
-      body: FormBuilder(
-        key: _formKey,
-        child: PageView(
-          controller: _pageController,
-          scrollBehavior: NeverScrollableScrollBehavior(),
-          children: [
-            if (widget.showLocalAccounts && localAccounts.isNotEmpty)
-              Scaffold(
-                appBar: AppBar(
-                  title: Text(S.of(context)!.logInToExistingAccount),
-                ),
-                bottomNavigationBar: BottomAppBar(
-                  child: Row(
-                    mainAxisAlignment: MainAxisAlignment.end,
-                    children: [
-                      FilledButton(
-                        child: Text(S.of(context)!.goToLogin),
-                        onPressed: () {
-                          _pageController.nextPage(
-                            duration: const Duration(milliseconds: 300),
-                            curve: Curves.easeInOut,
-                          );
-                        },
-                      ),
-                    ],
-                  ),
-                ),
-                body: ListView.builder(
-                  itemBuilder: (context, index) {
-                    final account = localAccounts.values.elementAt(index);
-                    return Card(
-                      child: UserAccountListTile(
-                        account: account,
-                        onTap: () {
-                          context
-                              .read<AuthenticationCubit>()
-                              .switchAccount(account.id);
-                        },
-                      ),
-                    );
-                  },
-                  itemCount: localAccounts.length,
-                ),
-              ),
-            ServerConnectionPage(
-              titleText: widget.titleString,
-              formBuilderKey: _formKey,
-              onContinue: () {
-                _pageController.nextPage(
-                  duration: const Duration(milliseconds: 300),
-                  curve: Curves.easeInOut,
-                );
-              },
+  ) async {
+    try {
+      await context.read<AuthenticationCubit>().login(
+            credentials: LoginFormCredentials(
+              username: username,
+              password: password,
             ),
-            ServerLoginPage(
-              formBuilderKey: _formKey,
-              submitText: widget.submitText,
-              onSubmit: _login,
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-
-  Future<void> _login() async {
-    FocusScope.of(context).unfocus();
-    if (_formKey.currentState?.saveAndValidate() ?? false) {
-      final form = _formKey.currentState!.value;
-      ClientCertificate? clientCert;
-      final clientCertFormModel =
-          form[ClientCertificateFormField.fkClientCertificate]
-              as ClientCertificateFormModel?;
-      if (clientCertFormModel != null) {
-        clientCert = ClientCertificate(
-          bytes: clientCertFormModel.bytes,
-          passphrase: clientCertFormModel.passphrase,
-        );
-      }
-      final credentials =
-          form[UserCredentialsFormField.fkCredentials] as LoginFormCredentials;
-      try {
-        await widget.onSubmit(
+            serverUrl: serverUrl,
+            clientCertificate: clientCertificate,
+          );
+      // Show onboarding after first login!
+      final globalSettings =
+          Hive.box<GlobalSettings>(HiveBoxes.globalSettings).getValue()!;
+      if (globalSettings.showOnboarding) {
+        Navigator.push(
           context,
-          credentials.username!,
-          credentials.password!,
-          form[ServerAddressFormField.fkServerAddress],
-          clientCert,
-        );
-      } on PaperlessApiException catch (error) {
-        showErrorMessage(context, error);
-      } on ServerMessageException catch (error) {
-        showLocalizedError(context, error.message);
-      } catch (error) {
-        showGenericError(context, error);
+          MaterialPageRoute(
+            builder: (context) => const ApplicationIntroSlideshow(),
+            fullscreenDialog: true,
+          ),
+        ).then((value) {
+          globalSettings.showOnboarding = false;
+          globalSettings.save();
+        });
       }
+      // DocumentsRoute().go(context);
+    } on PaperlessApiException catch (error, stackTrace) {
+      showErrorMessage(context, error, stackTrace);
+    } on PaperlessFormValidationException catch (exception, stackTrace) {
+      if (exception.hasUnspecificErrorMessage()) {
+        showLocalizedError(context, exception.unspecificErrorMessage()!);
+      } else {
+        showGenericError(
+          context,
+          exception.validationMessages.values.first,
+          stackTrace,
+        ); //TODO: Check if we can show error message directly on field here.
+      }
+    } catch (unknownError, stackTrace) {
+      showGenericError(context, unknownError.toString(), stackTrace);
     }
   }
 }