Compass app (#2446)

2025-11-08 13:58:47 +00:00 · 2024-09-27 18:49:27 -04:00
parent fcf2552cda
commit 46b5a26b26
326 changed files with 53272 additions and 0 deletions
--- a/compass_app/app/lib/ui/booking/widgets/booking_screen.dart
+++ b/compass_app/app/lib/ui/booking/widgets/booking_screen.dart
@@ -0,0 +1,115 @@
+// Copyright 2024 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../../routing/routes.dart';
+import '../../core/localization/applocalization.dart';
+import '../../core/ui/error_indicator.dart';
+import '../view_models/booking_viewmodel.dart';
+import 'booking_body.dart';
+
+class BookingScreen extends StatefulWidget {
+  const BookingScreen({
+    super.key,
+    required this.viewModel,
+  });
+
+  final BookingViewModel viewModel;
+
+  @override
+  State<BookingScreen> createState() => _BookingScreenState();
+}
+
+class _BookingScreenState extends State<BookingScreen> {
+  @override
+  void initState() {
+    super.initState();
+    widget.viewModel.shareBooking.addListener(_listener);
+  }
+
+  @override
+  void dispose() {
+    widget.viewModel.shareBooking.removeListener(_listener);
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return PopScope(
+      canPop: false,
+      onPopInvokedWithResult: (didPop, r) {
+        // Back navigation always goes to home
+        if (!didPop) context.go(Routes.home);
+      },
+      child: Scaffold(
+        floatingActionButton: ListenableBuilder(
+          listenable: widget.viewModel,
+          builder: (context, _) => FloatingActionButton.extended(
+            // Workaround for https://github.com/flutter/flutter/issues/115358#issuecomment-2117157419
+            heroTag: null,
+            key: const ValueKey('share-button'),
+            onPressed: widget.viewModel.booking != null
+                ? widget.viewModel.shareBooking.execute
+                : null,
+            label: Text(AppLocalization.of(context).shareTrip),
+            icon: const Icon(Icons.share_outlined),
+          ),
+        ),
+        body: ListenableBuilder(
+          // Listen to changes in both commands
+          listenable: Listenable.merge([
+            widget.viewModel.createBooking,
+            widget.viewModel.loadBooking,
+          ]),
+          builder: (context, child) {
+            // If either command is running, show progress indicator
+            if (widget.viewModel.createBooking.running ||
+                widget.viewModel.loadBooking.running) {
+              return const Center(
+                child: CircularProgressIndicator(),
+              );
+            }
+            // If fails to create booking, tap to try again
+            if (widget.viewModel.createBooking.error) {
+              return Center(
+                child: ErrorIndicator(
+                  title: AppLocalization.of(context).errorWhileLoadingBooking,
+                  label: AppLocalization.of(context).tryAgain,
+                  onPressed: widget.viewModel.createBooking.execute,
+                ),
+              );
+            }
+            // If existing booking fails to load, tap to go /home
+            if (widget.viewModel.loadBooking.error) {
+              return Center(
+                child: ErrorIndicator(
+                  title: AppLocalization.of(context).errorWhileLoadingBooking,
+                  label: AppLocalization.of(context).close,
+                  onPressed: () => context.go(Routes.home),
+                ),
+              );
+            }
+            return child!;
+          },
+          child: BookingBody(viewModel: widget.viewModel),
+        ),
+      ),
+    );
+  }
+
+  void _listener() {
+    if (widget.viewModel.shareBooking.error) {
+      widget.viewModel.shareBooking.clearResult();
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+        content: Text(AppLocalization.of(context).errorWhileSharing),
+        action: SnackBarAction(
+          label: AppLocalization.of(context).tryAgain,
+          onPressed: widget.viewModel.shareBooking.execute,
+        ),
+      ));
+    }
+  }
+}