feat: Migrate to go_router

lib/features/home/view/scaffold_with_navigation_bar.dart

@@ -0,0 +1,168 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:go_router/go_router.dart';
+import 'package:paperless_api/paperless_api.dart';
+import 'package:paperless_mobile/features/app_drawer/view/app_drawer.dart';
+import 'package:paperless_mobile/features/inbox/cubit/inbox_cubit.dart';
+import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
+import 'package:paperless_mobile/helpers/message_helpers.dart';
+
+const _landingPage = 0;
+const _documentsIndex = 1;
+const _scannerIndex = 2;
+const _labelsIndex = 3;
+const _inboxIndex = 4;
+
+class ScaffoldWithNavigationBar extends StatefulWidget {
+  final UserModel authenticatedUser;
+  final StatefulNavigationShell navigationShell;
+  const ScaffoldWithNavigationBar({
+    super.key,
+    required this.authenticatedUser,
+    required this.navigationShell,
+  });
+
+  @override
+  State<ScaffoldWithNavigationBar> createState() =>
+      ScaffoldWithNavigationBarState();
+}
+
+class ScaffoldWithNavigationBarState extends State<ScaffoldWithNavigationBar> {
+  @override
+  Widget build(BuildContext context) {
+    final disabledColor = Theme.of(context).disabledColor;
+    final primaryColor = Theme.of(context).colorScheme.primary;
+    return Scaffold(
+      drawer: const AppDrawer(),
+      bottomNavigationBar: NavigationBar(
+        selectedIndex: widget.navigationShell.currentIndex,
+        onDestinationSelected: (index) {
+          switch (index) {
+            case _landingPage:
+              widget.navigationShell.goBranch(index);
+              break;
+            case _documentsIndex:
+              if (widget.authenticatedUser.canViewDocuments) {
+                widget.navigationShell.goBranch(index);
+              } else {
+                showSnackBar(
+                    context, "You do not have permission to access this page.");
+              }
+              break;
+            case _scannerIndex:
+              if (widget.authenticatedUser.canCreateDocuments) {
+                widget.navigationShell.goBranch(index);
+              } else {
+                showSnackBar(
+                    context, "You do not have permission to access this page.");
+              }
+              break;
+            case _labelsIndex:
+              if (widget.authenticatedUser.canViewAnyLabel) {
+                widget.navigationShell.goBranch(index);
+              } else {
+                showSnackBar(
+                    context, "You do not have permission to access this page.");
+              }
+              break;
+            case _inboxIndex:
+              if (widget.authenticatedUser.canViewDocuments &&
+                  widget.authenticatedUser.canViewTags) {
+                widget.navigationShell.goBranch(index);
+              } else {
+                showSnackBar(
+                    context, "You do not have permission to access this page.");
+              }
+              break;
+            default:
+              break;
+          }
+        },
+        destinations: [
+          NavigationDestination(
+            icon: Icon(Icons.home_outlined),
+            selectedIcon: Icon(
+              Icons.home,
+              color: primaryColor,
+            ),
+            label: "Home", //TODO: INTL
+          ),
+          NavigationDestination(
+            icon: Icon(
+              Icons.description_outlined,
+              color: !widget.authenticatedUser.canViewDocuments
+                  ? disabledColor
+                  : null,
+            ),
+            selectedIcon: Icon(
+              Icons.description,
+              color: primaryColor,
+            ),
+            label: S.of(context)!.documents,
+          ),
+          NavigationDestination(
+            icon: Icon(
+              Icons.document_scanner_outlined,
+              color: !widget.authenticatedUser.canCreateDocuments
+                  ? disabledColor
+                  : null,
+            ),
+            selectedIcon: Icon(
+              Icons.document_scanner,
+              color: primaryColor,
+            ),
+            label: S.of(context)!.scanner,
+          ),
+          NavigationDestination(
+            icon: Icon(
+              Icons.sell_outlined,
+              color: !widget.authenticatedUser.canViewAnyLabel
+                  ? disabledColor
+                  : null,
+            ),
+            selectedIcon: Icon(
+              Icons.sell,
+              color: primaryColor,
+            ),
+            label: S.of(context)!.labels,
+          ),
+          NavigationDestination(
+            icon: Builder(builder: (context) {
+              if (!(widget.authenticatedUser.canViewDocuments &&
+                  widget.authenticatedUser.canViewTags)) {
+                return Icon(
+                  Icons.close,
+                  color: disabledColor,
+                );
+              }
+              return BlocBuilder<InboxCubit, InboxState>(
+                builder: (context, state) {
+                  return Badge.count(
+                    isLabelVisible: state.itemsInInboxCount > 0,
+                    count: state.itemsInInboxCount,
+                    child: const Icon(Icons.inbox_outlined),
+                  );
+                },
+              );
+            }),
+            selectedIcon: BlocBuilder<InboxCubit, InboxState>(
+              builder: (context, state) {
+                return Badge.count(
+                  isLabelVisible: state.itemsInInboxCount > 0,
+                  count: state.itemsInInboxCount,
+                  child: Icon(
+                    Icons.inbox,
+                    color: primaryColor,
+                  ),
+                );
+              },
+            ),
+            label: S.of(context)!.inbox,
+          ),
+        ],
+      ),
+      body: widget.navigationShell,
+    );
+  }
+}