358 lines
13 KiB
Dart
358 lines
13 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:path/path.dart' as p;
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import 'package:environment_monitoring_app/auth_provider.dart';
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import 'package:environment_monitoring_app/services/api_service.dart';
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class ProfileScreen extends StatefulWidget {
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const ProfileScreen({super.key});
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@override
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State<ProfileScreen> createState() => _ProfileScreenState();
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}
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class _ProfileScreenState extends State<ProfileScreen> {
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final ApiService _apiService = ApiService();
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bool _isLoading = false;
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String _errorMessage = '';
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File? _profileImageFile;
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@override
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void initState() {
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super.initState();
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// Load the image from cache first, then refresh data from the provider
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_loadLocalProfileImage().then((_) {
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// If no profile data is available at all, trigger a refresh
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if (Provider.of<AuthProvider>(context, listen: false).profileData == null) {
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_refreshProfile();
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}
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});
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}
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/// Refreshes only the profile data using the dedicated provider method.
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Future<void> _refreshProfile() async {
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setState(() {
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_isLoading = true;
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_errorMessage = '';
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});
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try {
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final auth = Provider.of<AuthProvider>(context, listen: false);
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// Call the efficient refreshProfile method instead of the full sync.
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await auth.refreshProfile();
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// After syncing, reload the potentially new profile image
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await _loadLocalProfileImage();
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} catch (e) {
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if (mounted) {
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setState(() {
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_errorMessage = 'An unexpected error occurred during sync: ${e.toString()}';
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});
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}
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} finally {
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if (mounted) {
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setState(() {
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_isLoading = false;
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});
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}
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}
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}
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/// Loads the profile image from the local cache or downloads it if not present.
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Future<void> _loadLocalProfileImage() async {
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final auth = Provider.of<AuthProvider>(context, listen: false);
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final String? serverImagePath = auth.profileData?['profile_picture'];
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if (serverImagePath != null && serverImagePath.isNotEmpty) {
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final String localFileName = p.basename(serverImagePath);
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final Directory appDocDir = await getApplicationDocumentsDirectory();
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final String localFilePath = p.join(appDocDir.path, 'profile_pictures', localFileName);
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final File localFile = File(localFilePath);
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if (await localFile.exists()) {
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if (mounted) setState(() => _profileImageFile = localFile);
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} else {
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final String fullImageUrl = ApiService.imageBaseUrl + serverImagePath;
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final downloadedFile = await _apiService.downloadProfilePicture(fullImageUrl, localFilePath);
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if (downloadedFile != null && mounted) {
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setState(() => _profileImageFile = downloadedFile);
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}
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}
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} else {
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if (mounted) setState(() => _profileImageFile = null);
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}
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}
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/// Shows a modal bottom sheet for selecting an image source.
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Future<void> _showImageSourceSelection() async {
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showModalBottomSheet(
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context: context,
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builder: (BuildContext context) {
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return SafeArea(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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ListTile(
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leading: const Icon(Icons.camera_alt),
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title: const Text('Take a photo'),
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onTap: () {
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Navigator.pop(context);
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_pickAndUploadImage(ImageSource.camera);
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},
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),
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ListTile(
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leading: const Icon(Icons.photo_library),
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title: const Text('Choose from gallery'),
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onTap: () {
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Navigator.pop(context);
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_pickAndUploadImage(ImageSource.gallery);
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},
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),
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],
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),
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);
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},
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);
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}
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/// Picks an image and initiates the upload process.
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Future<void> _pickAndUploadImage(ImageSource source) async {
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final ImagePicker picker = ImagePicker();
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final XFile? pickedFile = await picker.pickImage(source: source, imageQuality: 85, maxWidth: 1024);
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if (pickedFile != null) {
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setState(() => _isLoading = true);
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final File imageFile = File(pickedFile.path);
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final uploadResult = await _apiService.uploadProfilePicture(imageFile);
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if (mounted) {
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if (uploadResult['success']) {
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// After a successful upload, efficiently refresh only the profile data.
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await _refreshProfile();
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_showSnackBar("Profile picture updated successfully.", isError: false);
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} else {
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setState(() {
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_errorMessage = uploadResult['message'] ?? 'Failed to upload profile picture.';
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});
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_showSnackBar(_errorMessage, isError: true);
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}
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setState(() => _isLoading = false);
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}
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}
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}
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void _showSnackBar(String message, {bool isError = false}) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(message),
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backgroundColor: isError ? Theme.of(context).colorScheme.error : Colors.green,
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),
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);
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}
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}
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@override
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Widget build(BuildContext context) {
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final auth = Provider.of<AuthProvider>(context);
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final profileData = auth.profileData;
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return Scaffold(
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appBar: AppBar(
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title: const Text("User Profile"),
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actions: [
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IconButton(
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icon: const Icon(Icons.refresh),
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onPressed: _isLoading ? null : _refreshProfile,
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),
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],
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),
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body: Column(
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children: [
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Expanded(
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child: _isLoading && profileData == null
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? const Center(child: CircularProgressIndicator())
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: _errorMessage.isNotEmpty
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? Center(
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.error_outline, color: Theme.of(context).colorScheme.error, size: 50),
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const SizedBox(height: 16),
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Text(
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_errorMessage,
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textAlign: TextAlign.center,
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style: TextStyle(color: Theme.of(context).colorScheme.error, fontSize: 16),
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),
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const SizedBox(height: 24),
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ElevatedButton(
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onPressed: _isLoading ? null : _refreshProfile,
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child: const Text('Retry'),
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),
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],
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),
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),
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)
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: profileData == null
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? const Center(child: Text('No profile data available.'))
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: RefreshIndicator(
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onRefresh: _refreshProfile,
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child: SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.all(24.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Center(
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child: GestureDetector(
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onTap: _isLoading ? null : _showImageSourceSelection,
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child: Stack(
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alignment: Alignment.bottomRight,
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children: [
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CircleAvatar(
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radius: 60,
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backgroundColor: Theme.of(context).colorScheme.secondary,
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backgroundImage: _profileImageFile != null ? FileImage(_profileImageFile!) : null,
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child: _profileImageFile == null ? Icon(Icons.person, size: 80, color: Theme.of(context).colorScheme.onSecondary) : null,
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),
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if (!_isLoading)
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Positioned(
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right: 0,
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bottom: 0,
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child: CircleAvatar(
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radius: 20,
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backgroundColor: Theme.of(context).primaryColor,
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child: Icon(Icons.edit, color: Theme.of(context).colorScheme.onPrimary, size: 20),
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),
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),
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],
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),
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),
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),
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const SizedBox(height: 32),
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_buildProfileSection(context, "Personal Information", [
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_buildProfileDetail(context, "Username:", profileData['username']),
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_buildProfileDetail(context, "Email:", profileData['email']),
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_buildProfileDetail(context, "First Name:", profileData['first_name']),
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_buildProfileDetail(context, "Last Name:", profileData['last_name']),
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_buildProfileDetail(context, "Phone Number:", profileData['phone_number']),
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]),
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const SizedBox(height: 24),
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_buildProfileSection(context, "Organizational Details", [
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_buildProfileDetail(context, "Role:", profileData['role_name']),
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_buildProfileDetail(context, "Department:", profileData['department_name']),
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_buildProfileDetail(context, "Company:", profileData['company_name']),
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_buildProfileDetail(context, "Position:", profileData['position_name']),
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]),
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const SizedBox(height: 24),
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_buildProfileSection(context, "Account Status", [
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_buildProfileDetail(context, "Account Status:", profileData['account_status']),
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_buildProfileDetail(context, "Registered On:", profileData['date_registered']),
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]),
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],
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),
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),
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),
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),
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Padding(
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padding: const EdgeInsets.all(24.0),
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child: Center(
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child: ElevatedButton.icon(
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icon: const Icon(Icons.logout),
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label: const Text("Logout"),
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onPressed: () {
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (dialogContext) => AlertDialog(
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title: const Text("Confirm Logout"),
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content: const Text("Are you sure you want to log out?"),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(dialogContext),
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child: const Text("Cancel"),
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),
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ElevatedButton(
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onPressed: () {
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Navigator.pop(dialogContext);
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auth.logout();
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Navigator.pushNamedAndRemoveUntil(context, '/', (route) => false);
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red[700],
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foregroundColor: Colors.white,
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),
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child: const Text("Logout"),
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),
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],
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),
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);
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red[700],
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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),
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),
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),
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),
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],
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),
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);
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}
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Widget _buildProfileSection(BuildContext context, String title, List<Widget> details) {
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return Card(
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elevation: 4,
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margin: const EdgeInsets.symmetric(vertical: 8.0),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(fontWeight: FontWeight.bold, color: Theme.of(context).primaryColor),
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),
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const Divider(height: 20, thickness: 1.5),
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...details,
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],
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),
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),
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);
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}
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Widget _buildProfileDetail(BuildContext context, String label, dynamic value) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 8.0),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Expanded(
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flex: 2,
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child: Text(
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label,
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style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
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),
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),
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const SizedBox(width: 16),
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Expanded(
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flex: 3,
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child: Text(
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value?.toString() ?? 'N/A',
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style: Theme.of(context).textTheme.bodyLarge,
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),
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),
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],
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),
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);
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}
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}
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