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Split main.dart classes into separate files

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This commit is contained in:
whysman 2024-11-09 20:19:14 -05:00
parent e7705bbb0d
commit 2817b75f2e
4 changed files with 436 additions and 414 deletions
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422
lib/main.dart
View File

@ -1,16 +1,12 @@
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart' show ByteData, rootBundle;
import 'package:image_picker/image_picker.dart';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:provider/provider.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:web_socket_channel/web_socket_channel.dart';
import 'package:uuid/uuid.dart';
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'profile_screen.dart';
import 'shared_preferences_provider.dart';
import 'status_page.dart';
void main() {
runApp(
ChangeNotifierProvider(
@ -59,7 +55,7 @@ class MyAppState extends State<MyApp> {
if (snapshot.connectionState == ConnectionState.done) {
if (Provider.of<SharedPreferencesProvider>(context).getUserName() !=
'') {
return const ChatPage();
return const StatusPage();
} else {
return const ProfileScreen(isEditing: false);
}
@ -71,405 +67,3 @@ class MyAppState extends State<MyApp> {
);
}
}
class SharedPreferencesProvider extends ChangeNotifier {
late SharedPreferences prefs;
final Completer<void> _initCompleter = Completer<void>();
SharedPreferencesProvider() {
_initPrefs();
}
Future<void> _initPrefs() async {
prefs = await SharedPreferences.getInstance();
if (prefs.getString('userLogo') == null) {
ByteData bytes = await rootBundle.load('assets/default_logo.png');
List<int> imageBytes = bytes.buffer.asUint8List();
prefs.setString('userLogo', base64Encode(imageBytes));
prefs.setString('id', const Uuid().v4());
}
_initCompleter.complete();
notifyListeners();
}
Future<void> get ready => _initCompleter.future;
String getUserName() {
return prefs.getString('userName') ?? '';
}
Future<void> setUserName(String name) async {
await prefs.setString('userName', name);
notifyListeners();
}
String getUserId() {
return prefs.getString('id') ?? '';
}
String? getUserLogo() {
final userLogo = prefs.getString('userLogo');
return userLogo;
}
Future<void> setUserLogo(String? image) async {
await prefs.setString('userLogo', image!);
notifyListeners();
}
}
class ProfileScreen extends StatefulWidget {
final bool isEditing;
const ProfileScreen({super.key, required this.isEditing});
@override
ProfileScreenState createState() => ProfileScreenState();
}
class ProfileScreenState extends State<ProfileScreen> {
final TextEditingController _nameController = TextEditingController();
late String? imageData;
final ImagePicker _picker = ImagePicker();
@override
void initState() {
super.initState();
final prefsProvider =
Provider.of<SharedPreferencesProvider>(context, listen: false);
_nameController.text = prefsProvider.getUserName();
imageData = prefsProvider.getUserLogo();
}
Future<void> _pickImage() async {
final pickedFile = await _picker.pickImage(source: ImageSource.gallery);
if (pickedFile != null) {
late final Uint8List imageBytes;
if (kIsWeb) {
imageBytes = await pickedFile.readAsBytes();
} else {
imageBytes = await File(pickedFile.path).readAsBytes();
}
setState(() {
if (mounted) {
final prefsProvider =
Provider.of<SharedPreferencesProvider>(context, listen: false);
prefsProvider
.setUserLogo(base64Encode(imageBytes)); // Cache the image
imageData = base64Encode(imageBytes);
}
});
}
}
void _saveProfile() async {
String name = _nameController.text.trim();
if (name.isNotEmpty) {
final prefsProvider =
Provider.of<SharedPreferencesProvider>(context, listen: false);
await prefsProvider.setUserName(name);
await prefsProvider.setUserLogo(imageData);
if (widget.isEditing) {
if (mounted) {
Navigator.pop(context); // Go back to the chat screen if editing
}
} else {
_navigateToChatScreen(); // Go to chat screen if this is the initial entry
}
} else {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Name cannot be empty!')),
);
return;
}
}
void _navigateToChatScreen() {
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (context) => const ChatPage()),
);
}
@override
void dispose() {
_nameController.dispose();
super.dispose();
}
Image getLogoImage(String? logo) {
if (logo != null) {
return Image.memory(base64Decode(logo));
} else {
return Image.asset('assets/default_logo.png');
}
}
@override
Widget build(BuildContext context) {
final prefsProvider = Provider.of<SharedPreferencesProvider>(context);
final userLogo = prefsProvider.getUserLogo();
return Scaffold(
appBar: AppBar(
title: Text(
widget.isEditing ? 'Edit Profile' : 'Enter Your Name and Logo'),
backgroundColor: Colors.blueAccent,
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// Profile Image Display
Center(
child: CircleAvatar(
radius: 50,
backgroundImage: getLogoImage(userLogo).image,
),
),
const SizedBox(height: 20),
TextField(
controller: _nameController,
decoration: const InputDecoration(
labelText: 'Name',
border: OutlineInputBorder(),
),
),
const SizedBox(height: 20),
ElevatedButton(
onPressed: _pickImage,
child: const Text('Upload Logo'),
),
const SizedBox(height: 20),
ElevatedButton(
onPressed: _saveProfile,
child: Text(widget.isEditing ? 'Save Changes' : 'Continue'),
),
],
),
),
);
}
}
class ChatPage extends StatefulWidget {
const ChatPage({super.key});
@override
ChatPageState createState() => ChatPageState();
}
class ChatPageState extends State<ChatPage> {
final WebSocketChannel channel = WebSocketChannel.connect(
Uri.parse('wss://api.pogdark.com:8889/ws'),
);
// Convert the stream to a broadcast stream
late final Stream<dynamic> broadcastStream;
late StreamController<dynamic> controller;
List<Map<String, dynamic>> messages =
[]; // To hold user messages with names and timestamps
@override
void initState() {
super.initState();
controller = StreamController<dynamic>.broadcast();
controller.addStream(channel.stream);
broadcastStream = channel.stream.asBroadcastStream();
}
List<Map<String, dynamic>> _getMessagesByStatus(String status) {
return messages.where((message) => message['Status'] == status).toList();
}
void _navigateToEditProfile() {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const ProfileScreen(isEditing: true)),
);
}
void _sendStatus(String id, String name, String? image, String status) {
final message = jsonEncode({
'Id': id,
'Name': name,
'Image': image,
'Status': status,
'Timestamp': DateTime.now().toIso8601String(),
});
channel.sink.add(message);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Status "$status" sent!')),
);
}
Widget _buildMessageItem(Map<String, dynamic> message) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: Align(
alignment: Alignment.centerLeft,
child: Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Colors.blue.shade50,
borderRadius: BorderRadius.circular(12),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
CircleAvatar(
radius: 20,
backgroundImage: message['Image'] != null
? Image.memory(base64Decode(message['Image'])).image
: const AssetImage('assets/default_logo.png'),
),
const SizedBox(width: 8),
Text(
"${message['Name']}",
style: const TextStyle(
fontSize: 16, fontWeight: FontWeight.bold),
),
],
),
const SizedBox(height: 4),
Text(
"Received at: ${message['Timestamp']}",
style: const TextStyle(fontSize: 12, color: Colors.grey),
),
],
),
),
),
);
}
@override
Widget build(BuildContext context) {
final prefsProvider = Provider.of<SharedPreferencesProvider>(context);
final userName = prefsProvider.getUserName();
final userLogo = prefsProvider.getUserLogo();
final userId = prefsProvider.getUserId();
return Scaffold(
appBar: AppBar(
title: const Text('Pogdark'),
backgroundColor: Colors.blueAccent,
actions: [
IconButton(
icon: const Icon(Icons.edit),
onPressed: _navigateToEditProfile,
),
],
),
body: StreamBuilder(
stream: controller.stream,
builder: (context, snapshot) {
if (snapshot.hasData) {
final newMessage =
jsonDecode(snapshot.data as String) as Map<String, dynamic>;
// Update messages only if new or modified
final incomingId = newMessage['Id'];
messages.removeWhere((msg) => msg['Id'] == incomingId);
if (newMessage['Status'] != 'expired' ||
newMessage['Status'] != "is leaving") {
messages.add(newMessage);
}
}
// Separate messages by status
final onTheWayMessages = _getMessagesByStatus('is on the way');
final arrivedMessages = _getMessagesByStatus('has arrived');
return Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: [
Expanded(
child: Row(
children: [
// Column for "On the way" messages
Expanded(
child: Column(
children: [
const Text(
'On the Way',
style: TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
Expanded(
child: ListView.builder(
itemCount: onTheWayMessages.length,
itemBuilder: (context, index) {
return _buildMessageItem(
onTheWayMessages[index]);
},
),
),
],
),
),
// Column for "Arrived" messages
Expanded(
child: Column(
children: [
const Text(
'Arrived',
style: TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
Expanded(
child: ListView.builder(
itemCount: arrivedMessages.length,
itemBuilder: (context, index) {
return _buildMessageItem(
arrivedMessages[index]);
},
),
),
],
),
),
],
),
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () => _sendStatus(
userId, userName, userLogo, 'is on the way'),
child: const Text('On the Way'),
),
ElevatedButton(
onPressed: () => _sendStatus(
userId, userName, userLogo, 'has arrived'),
child: const Text('Arrived'),
),
ElevatedButton(
onPressed: () =>
_sendStatus(userId, userName, userLogo, 'is leaving'),
child: const Text('Leaving'),
),
],
),
],
),
);
},
),
);
}
@override
void dispose() {
channel.sink.close();
super.dispose();
}
}

147
lib/profile_screen.dart Normal file
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@ -0,0 +1,147 @@
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:provider/provider.dart';
import 'shared_preferences_provider.dart';
import 'status_page.dart';
class ProfileScreen extends StatefulWidget {
final bool isEditing;
const ProfileScreen({super.key, required this.isEditing});
@override
ProfileScreenState createState() => ProfileScreenState();
}
class ProfileScreenState extends State<ProfileScreen> {
final TextEditingController _nameController = TextEditingController();
late String? imageData;
final ImagePicker _picker = ImagePicker();
@override
void initState() {
super.initState();
final prefsProvider =
Provider.of<SharedPreferencesProvider>(context, listen: false);
_nameController.text = prefsProvider.getUserName();
imageData = prefsProvider.getUserLogo();
}
Future<void> _pickImage() async {
final pickedFile = await _picker.pickImage(source: ImageSource.gallery);
if (pickedFile != null) {
late final Uint8List imageBytes;
if (kIsWeb) {
imageBytes = await pickedFile.readAsBytes();
} else {
imageBytes = await File(pickedFile.path).readAsBytes();
}
setState(() {
if (mounted) {
final prefsProvider =
Provider.of<SharedPreferencesProvider>(context, listen: false);
prefsProvider
.setUserLogo(base64Encode(imageBytes)); // Cache the image
imageData = base64Encode(imageBytes);
}
});
}
}
void _saveProfile() async {
String name = _nameController.text.trim();
if (name.isNotEmpty) {
final prefsProvider =
Provider.of<SharedPreferencesProvider>(context, listen: false);
await prefsProvider.setUserName(name);
await prefsProvider.setUserLogo(imageData);
if (widget.isEditing) {
if (mounted) {
Navigator.pop(context); // Go back to the Status screen if editing
}
} else {
_navigateToStatusScreen(); // Go to Status screen if this is the initial entry
}
} else {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Name cannot be empty!')),
);
return;
}
}
void _navigateToStatusScreen() {
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (context) => const StatusPage()),
);
}
@override
void dispose() {
_nameController.dispose();
super.dispose();
}
Image getLogoImage(String? logo) {
if (logo != null) {
return Image.memory(base64Decode(logo));
} else {
return Image.asset('assets/default_logo.png');
}
}
@override
Widget build(BuildContext context) {
final prefsProvider = Provider.of<SharedPreferencesProvider>(context);
final userLogo = prefsProvider.getUserLogo();
return Scaffold(
appBar: AppBar(
title: Text(
widget.isEditing ? 'Edit Profile' : 'Enter Your Name and Logo'),
backgroundColor: Colors.blueAccent,
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// Profile Image Display
Center(
child: CircleAvatar(
radius: 50,
backgroundImage: getLogoImage(userLogo).image,
),
),
const SizedBox(height: 20),
TextField(
controller: _nameController,
decoration: const InputDecoration(
labelText: 'Name',
border: OutlineInputBorder(),
),
),
const SizedBox(height: 20),
ElevatedButton(
onPressed: _pickImage,
child: const Text('Upload Logo'),
),
const SizedBox(height: 20),
ElevatedButton(
onPressed: _saveProfile,
child: Text(widget.isEditing ? 'Save Changes' : 'Continue'),
),
],
),
),
);
}
}

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lib/shared_preferences_provider.dart Normal file
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@ -0,0 +1,52 @@
import 'dart:async';
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter/services.dart' show ByteData, rootBundle;
import 'package:uuid/uuid.dart';
class SharedPreferencesProvider extends ChangeNotifier {
late SharedPreferences prefs;
final Completer<void> _initCompleter = Completer<void>();
SharedPreferencesProvider() {
_initPrefs();
}
Future<void> _initPrefs() async {
prefs = await SharedPreferences.getInstance();
if (prefs.getString('userLogo') == null) {
ByteData bytes = await rootBundle.load('assets/default_logo.png');
List<int> imageBytes = bytes.buffer.asUint8List();
prefs.setString('userLogo', base64Encode(imageBytes));
prefs.setString('id', const Uuid().v4());
}
_initCompleter.complete();
notifyListeners();
}
Future<void> get ready => _initCompleter.future;
String getUserName() {
return prefs.getString('userName') ?? '';
}
Future<void> setUserName(String name) async {
await prefs.setString('userName', name);
notifyListeners();
}
String getUserId() {
return prefs.getString('id') ?? '';
}
String? getUserLogo() {
final userLogo = prefs.getString('userLogo');
return userLogo;
}
Future<void> setUserLogo(String? image) async {
await prefs.setString('userLogo', image!);
notifyListeners();
}
}

229
lib/status_page.dart Normal file
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@ -0,0 +1,229 @@
import 'dart:async';
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:web_socket_channel/web_socket_channel.dart';
import 'profile_screen.dart';
import 'shared_preferences_provider.dart';
class StatusPage extends StatefulWidget {
const StatusPage({super.key});
@override
StatusPageState createState() => StatusPageState();
}
class StatusPageState extends State<StatusPage> {
final WebSocketChannel channel = WebSocketChannel.connect(
Uri.parse('wss://api.pogdark.com:8889/ws'),
);
// Convert the stream to a broadcast stream
late final Stream<dynamic> broadcastStream;
late StreamController<dynamic> controller;
List<Map<String, dynamic>> messages =
[]; // To hold user messages with names and timestamps
@override
void initState() {
super.initState();
controller = StreamController<dynamic>.broadcast();
controller.addStream(channel.stream);
broadcastStream = channel.stream.asBroadcastStream();
}
List<Map<String, dynamic>> _getMessagesByStatus(String status) {
return messages.where((message) => message['Status'] == status).toList();
}
void _navigateToEditProfile() {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const ProfileScreen(isEditing: true)),
);
}
void _sendStatus(String id, String name, String? image, String status) {
final message = jsonEncode({
'Id': id,
'Name': name,
'Image': image,
'Status': status,
'Timestamp': DateTime.now().toIso8601String(),
});
channel.sink.add(message);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Status "$status" sent!')),
);
}
Widget _buildMessageItem(Map<String, dynamic> message) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: Align(
alignment: Alignment.centerLeft,
child: Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Colors.blue.shade50,
borderRadius: BorderRadius.circular(12),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
CircleAvatar(
radius: 20,
backgroundImage: message['Image'] != null
? Image.memory(base64Decode(message['Image'])).image
: const AssetImage('assets/default_logo.png'),
),
const SizedBox(width: 8),
Text(
"${message['Name']}",
style: const TextStyle(
fontSize: 16, fontWeight: FontWeight.bold),
),
],
),
const SizedBox(height: 4),
Text(
"Received at: ${message['Timestamp']}",
style: const TextStyle(fontSize: 12, color: Colors.grey),
),
],
),
),
),
);
}
@override
Widget build(BuildContext context) {
final prefsProvider = Provider.of<SharedPreferencesProvider>(context);
final userName = prefsProvider.getUserName();
final userLogo = prefsProvider.getUserLogo();
final userId = prefsProvider.getUserId();
return Scaffold(
appBar: AppBar(
title: const Text('Pogdark'),
backgroundColor: Colors.blueAccent,
actions: [
IconButton(
icon: const Icon(Icons.edit),
onPressed: _navigateToEditProfile,
),
],
),
body: StreamBuilder(
stream: controller.stream,
builder: (context, snapshot) {
if (snapshot.hasData) {
final newMessage =
jsonDecode(snapshot.data as String) as Map<String, dynamic>;
// Update messages only if new or modified
final incomingId = newMessage['Id'];
messages.removeWhere((msg) => msg['Id'] == incomingId);
if (newMessage['Status'] != 'expired' ||
newMessage['Status'] != "is leaving") {
messages.add(newMessage);
}
}
// Separate messages by status
final onTheWayMessages = _getMessagesByStatus('is on the way');
final arrivedMessages = _getMessagesByStatus('has arrived');
return Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
children: [
Expanded(
child: Row(
children: [
// Column for "On the way" messages
Expanded(
child: Column(
children: [
const Text(
'On the Way',
style: TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
Expanded(
child: ListView.builder(
itemCount: onTheWayMessages.length,
itemBuilder: (context, index) {
return _buildMessageItem(
onTheWayMessages[index]);
},
),
),
],
),
),
// Column for "Arrived" messages
Expanded(
child: Column(
children: [
const Text(
'Arrived',
style: TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
Expanded(
child: ListView.builder(
itemCount: arrivedMessages.length,
itemBuilder: (context, index) {
return _buildMessageItem(
arrivedMessages[index]);
},
),
),
],
),
),
],
),
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () => _sendStatus(
userId, userName, userLogo, 'is on the way'),
child: const Text('On the Way'),
),
ElevatedButton(
onPressed: () => _sendStatus(
userId, userName, userLogo, 'has arrived'),
child: const Text('Arrived'),
),
ElevatedButton(
onPressed: () =>
_sendStatus(userId, userName, userLogo, 'is leaving'),
child: const Text('Leaving'),
),
],
),
],
),
);
},
),
);
}
@override
void dispose() {
channel.sink.close();
super.dispose();
}
}