Frontend first draft

frontend/pweb/lib/app/router/page_params.dart

@@ -0,0 +1,15 @@
+enum PageParams {
+  token,
+  projectRef,
+  roleRef,
+  taskRef,
+  invitationRef,
+}
+
+String routerPageParam(PageParams param) {
+  return ':${param.name}'; 
+}
+
+String routerAddParam(PageParams param) {
+  return '/${routerPageParam(param)}'; 
+}

frontend/pweb/lib/app/router/pages.dart

@@ -0,0 +1,60 @@
+import 'package:flutter/material.dart';
+
+import 'package:go_router/go_router.dart';
+
+enum Pages {
+  root,
+  sfactor,
+  login,
+  methods,
+  verify,
+  signup,
+  settings,
+  dashboard,
+  profile,
+  recipients,
+  users,
+  roles,
+  permissions,
+  invitations,
+}
+
+String routerPath(String page) {
+  return '/$page';
+}
+
+String routerPage(Pages page) {
+  return page == Pages.root ? '/' : routerPath(page.name); 
+}
+
+String _pagePath(Pages page, {String? objectRef}) => _pagesPath([page], objectRef: objectRef);
+
+String _pagesPath(List<Pages> pages, {String? objectRef}) {
+  final path = pages.map(routerPage).join();
+  return objectRef != null ? '$path/$objectRef' : path;
+}
+
+void navigateAndReplace(BuildContext context, Pages page, {String? objectRef, Object? extra}) {
+  context.go(_pagePath(page, objectRef: objectRef), extra: extra);
+}
+
+void navigate(BuildContext context, Pages page, {String? objectRef, Object? extra}) {
+  navigatePages(context, [page], objectRef: objectRef, extra: extra);
+}
+
+void navigatePages(BuildContext context, List<Pages> pages, {String? objectRef, Object? extra}) {
+  context.push(_pagesPath(pages, objectRef: objectRef), extra: extra);
+}
+
+void navigateNamed(BuildContext context, Pages page, {String? objectRef, Object? extra}) {
+  context.pushNamed(page.name, extra: extra);
+}
+
+
+void navigateNamedAndReplace(BuildContext context, Pages page, {String? objectRef, Object? extra}) {
+  context.replaceNamed(page.name, extra: extra);
+}
+
+void navigateNext(BuildContext context, Pages page, {Object? extra}) {
+  WidgetsBinding.instance.addPostFrameCallback((_) => navigate(context, page, extra: extra));
+}

frontend/pweb/lib/app/router/router.dart

@@ -0,0 +1,57 @@
+import 'package:go_router/go_router.dart';
+
+import 'package:pweb/app/router/pages.dart';
+import 'package:pweb/pages/2fa/page.dart';
+import 'package:pweb/pages/signup/page.dart';
+import 'package:pweb/widgets/sidebar/page.dart';
+import 'package:pweb/pages/login/page.dart';
+import 'package:pweb/pages/errors/not_found.dart';
+
+GoRouter createRouter() => GoRouter(
+  debugLogDiagnostics: true,
+  routes: <RouteBase>[
+    GoRoute(
+      name: Pages.root.name,
+      path: routerPage(Pages.root),
+      builder: (_, __) => const LoginPage(),
+      routes: [
+        GoRoute(
+          name: Pages.login.name,
+          path: routerPage(Pages.login),
+          builder: (_, __) => const LoginPage(),
+        ),
+        GoRoute(
+          name: Pages.dashboard.name,
+          path: routerPage(Pages.dashboard),
+          builder: (_, __) => const PageSelector(),
+        ),
+        GoRoute(
+          name: Pages.sfactor.name,
+          path: routerPage(Pages.sfactor),
+          builder: (context, state) {
+            // Определяем откуда пришел пользователь
+            final isFromSignup = state.uri.queryParameters['from'] == 'signup';
+            
+            return TwoFactorCodePage(
+              onVerificationSuccess: () {
+                if (isFromSignup) {
+                  // После регистрации -> на страницу логина
+                  context.goNamed(Pages.login.name);
+                } else {
+                  // После логина -> на дашборд
+                  context.goNamed(Pages.dashboard.name);
+                }
+              },
+            );
+          },
+        ),
+        GoRoute(
+          name: Pages.signup.name,
+          path: routerPage(Pages.signup),
+          builder: (_, __) => const SignUpPage(),
+        ),
+      ],
+    ),
+  ],
+  errorBuilder: (_, __) => const NotFoundPage(),
+);