CPD-Gitty/trainerbox/lib/screens/profile_tab.dart

541 lines
20 KiB
Dart

import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:intl/intl.dart';
// profile_tab.dart
// This file contains the ProfileTab widget, which allows users to view and edit their profile information, including training times and durations. Trainers have additional options for managing training schedules.
/// The ProfileTab displays and allows editing of user profile information.
class ProfileTab extends StatefulWidget {
/// Callback for when the user logs out successfully.
final VoidCallback? onLogoutSuccess;
const ProfileTab({super.key, this.onLogoutSuccess});
@override
State<ProfileTab> createState() => _ProfileTabState();
}
class _ProfileTabState extends State<ProfileTab> {
// Form key for validating the profile form.
final _formKey = GlobalKey<FormState>();
// Indicates if the user is a trainer.
bool _isTrainer = false;
// Indicates if data is currently loading.
bool _isLoading = false;
// Stores training times for each day.
Map<String, TimeOfDay?> _trainingTimes = {};
// Stores training durations for each day.
Map<String, int> _trainingDurations = {};
// User's name.
String _name = '';
// User's email.
String _email = '';
// User's club.
String _club = '';
// User's role (trainer or player).
String? _userRole;
// Date the user joined.
DateTime? _joinDate;
@override
void initState() {
super.initState();
// Load user data when the widget is initialized.
_loadUserData();
}
/// Loads user data from Firebase and updates the state.
Future<void> _loadUserData() async {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
setState(() => _isLoading = true);
try {
final doc = await FirebaseFirestore.instance.collection('User').doc(user.uid).get();
if (doc.exists) {
final data = doc.data()!;
final trainingTimes = data['trainingTimes'] as Map<String, dynamic>? ?? {};
final trainingDurations = data['trainingDurations'] as Map<String, dynamic>? ?? {};
// Convert training times from string to TimeOfDay.
final convertedTrainingTimes = <String, TimeOfDay?>{};
trainingTimes.forEach((key, value) {
if (value != null) {
final timeStr = value.toString();
final timeParts = timeStr.split(':');
if (timeParts.length == 2) {
final hour = int.tryParse(timeParts[0]) ?? 0;
final minute = int.tryParse(timeParts[1]) ?? 0;
convertedTrainingTimes[key] = TimeOfDay(hour: hour, minute: minute);
}
}
});
setState(() {
_name = data['name'] ?? '';
_email = data['email'] ?? '';
_club = data['club'] ?? '';
_isTrainer = data['role'] == 'trainer';
_userRole = data['role'] as String?;
_trainingTimes = convertedTrainingTimes;
_trainingDurations = Map<String, int>.from(trainingDurations);
_joinDate = (data['createdAt'] as Timestamp?)?.toDate();
});
}
} catch (e) {
print('Error loading user data: $e');
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Fehler beim Laden der Daten: $e')),
);
}
} finally {
if (mounted) {
setState(() => _isLoading = false);
}
}
}
/// Saves the training time and duration for a specific day to Firebase.
Future<void> _saveTrainingTime(String day, TimeOfDay? time, int? duration) async {
if (time == null || duration == null) return;
setState(() => _isLoading = true);
try {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
final timeString = '${time.hour.toString().padLeft(2, '0')}:${time.minute.toString().padLeft(2, '0')}';
// Update training times and durations in Firestore.
await FirebaseFirestore.instance.collection('User').doc(user.uid).update({
'trainingTimes.$day': timeString,
'trainingDurations.$day': duration,
});
// Create training entries from the start of the year for 52 weeks ahead.
final now = DateTime.now();
final yearStart = DateTime(now.year, 1, 1);
final weekdays = {
'Montag': 1,
'Dienstag': 2,
'Mittwoch': 3,
'Donnerstag': 4,
'Freitag': 5,
'Samstag': 6,
'Sonntag': 7,
};
final targetWeekday = weekdays[day] ?? 1;
// Find the first occurrence of the target weekday from the start of the year.
DateTime firstDate = yearStart;
while (firstDate.weekday != targetWeekday) {
firstDate = firstDate.add(const Duration(days: 1));
}
final newTrainingDates = <String>[];
for (var i = 0; i < 52; i++) {
final date = firstDate.add(Duration(days: i * 7));
final normalizedDate = DateTime(date.year, date.month, date.day, time.hour, time.minute);
final dateString = DateTime(normalizedDate.year, normalizedDate.month, normalizedDate.day).toIso8601String();
newTrainingDates.add(dateString);
}
// Load existing trainingExercises and cancelledTrainings from Firestore.
final userDoc = await FirebaseFirestore.instance.collection('User').doc(user.uid).get();
final data = userDoc.data() ?? {};
final trainingExercises = Map<String, dynamic>.from(data['trainingExercises'] ?? {});
final cancelledTrainings = List<Map<String, dynamic>>.from(data['cancelledTrainings'] ?? []);
// Add empty training only if not already present.
for (final dateString in newTrainingDates) {
if (!trainingExercises.containsKey(dateString)) {
trainingExercises[dateString] = [];
}
}
// Remove cancelledTrainings for these dates.
cancelledTrainings.removeWhere((cancelled) =>
cancelled is Map<String, dynamic> &&
cancelled.containsKey('date') &&
newTrainingDates.contains(cancelled['date'])
);
await FirebaseFirestore.instance.collection('User').doc(user.uid).update({
'cancelledTrainings': cancelledTrainings,
'trainingExercises': trainingExercises,
});
setState(() {
_trainingTimes[day] = time;
_trainingDurations[day] = duration;
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Trainingszeit gespeichert')),
);
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Fehler beim Speichern: $e')),
);
}
} finally {
if (mounted) {
setState(() => _isLoading = false);
}
}
}
/// Removes the training time and duration for a specific day from Firebase.
Future<void> _removeTrainingTime(String day) async {
setState(() => _isLoading = true);
try {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
await FirebaseFirestore.instance.collection('User').doc(user.uid).update({
'trainingTimes.$day': FieldValue.delete(),
'trainingDurations.$day': FieldValue.delete(),
});
setState(() {
_trainingTimes.remove(day);
_trainingDurations.remove(day);
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Trainingszeit entfernt')),
);
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Fehler beim Entfernen: $e')),
);
}
} finally {
if (mounted) {
setState(() => _isLoading = false);
}
}
}
/// Opens a time picker dialog for selecting a training time, then a dialog for duration.
Future<void> _selectTime(BuildContext context, String day) async {
final TimeOfDay? picked = await showTimePicker(
context: context,
initialTime: _trainingTimes[day] ?? TimeOfDay.now(),
);
if (picked != null) {
final duration = await showDialog<int>(
context: context,
builder: (context) => _DurationDialog(
initialDuration: _trainingDurations[day] ?? 60,
),
);
if (duration != null) {
await _saveTrainingTime(day, picked, duration);
}
}
}
/// Saves the user's profile data (name, club, training times, durations) to Firebase.
Future<void> _saveUserData() async {
if (FirebaseAuth.instance.currentUser == null) return;
setState(() => _isLoading = true);
try {
final trainingTimesMap = <String, String>{};
_trainingTimes.forEach((key, value) {
if (value != null) {
trainingTimesMap[key] = '${value.hour.toString().padLeft(2, '0')}:${value.minute.toString().padLeft(2, '0')}';
}
});
await FirebaseFirestore.instance
.collection('User')
.doc(FirebaseAuth.instance.currentUser!.uid)
.update({
'name': _name,
'club': _club,
'trainingTimes': trainingTimesMap,
'trainingDurations': _trainingDurations,
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Profil wurde aktualisiert')),
);
}
} catch (e) {
print('Error saving user data: $e');
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Fehler beim Speichern des Profils')),
);
}
} finally {
if (mounted) {
setState(() => _isLoading = false);
}
}
}
@override
Widget build(BuildContext context) {
final user = FirebaseAuth.instance.currentUser;
if (user == null) {
// Show message if user is not logged in.
return const Center(child: Text('Nicht eingeloggt'));
}
return Scaffold(
appBar: AppBar(
title: const Text('Profil'),
actions: [
IconButton(
icon: const Icon(Icons.logout),
onPressed: () async {
// Log out the user and call the callback if provided.
await FirebaseAuth.instance.signOut();
if (widget.onLogoutSuccess != null) {
widget.onLogoutSuccess!();
}
},
),
IconButton(
icon: const Icon(Icons.save),
onPressed: _isLoading ? null : _saveUserData,
),
],
),
body: _isLoading
? const Center(child: CircularProgressIndicator())
: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Card for personal information fields.
Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Persönliche Informationen',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 16),
// Editable name field.
TextField(
controller: TextEditingController(text: _name),
decoration: const InputDecoration(
labelText: 'Name',
border: OutlineInputBorder(),
prefixIcon: Icon(Icons.person),
),
onChanged: (value) => _name = value,
),
const SizedBox(height: 16),
// Non-editable email field.
TextField(
controller: TextEditingController(text: _email),
decoration: const InputDecoration(
labelText: 'E-Mail',
border: OutlineInputBorder(),
prefixIcon: Icon(Icons.email),
),
enabled: false,
),
const SizedBox(height: 16),
// Editable club field.
TextField(
controller: TextEditingController(text: _club),
decoration: const InputDecoration(
labelText: 'Verein',
border: OutlineInputBorder(),
prefixIcon: Icon(Icons.sports),
hintText: 'Geben Sie Ihren Verein ein',
),
onChanged: (value) => _club = value,
),
const SizedBox(height: 16),
// Non-editable role field.
TextField(
controller: TextEditingController(text: _userRole == 'trainer' ? 'Trainer' : 'Spieler'),
decoration: const InputDecoration(
labelText: 'Rolle',
border: OutlineInputBorder(),
prefixIcon: Icon(Icons.work),
),
enabled: false,
),
if (_joinDate != null) ...[
const SizedBox(height: 16),
// Non-editable join date field.
TextField(
controller: TextEditingController(text: DateFormat('dd.MM.yyyy').format(_joinDate!)),
decoration: const InputDecoration(
labelText: 'Beigetreten am',
border: OutlineInputBorder(),
prefixIcon: Icon(Icons.calendar_today),
),
enabled: false,
),
],
],
),
),
),
if (_userRole == 'trainer') ...[
const SizedBox(height: 24),
// Card for managing training times (visible only to trainers).
Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Trainingszeiten',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 16),
// List of training days with time and duration controls.
...['Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag', 'Sonntag']
.map((day) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: ListTile(
leading: const Icon(Icons.access_time),
title: Text(day),
subtitle: _trainingTimes[day] != null
? Text(
'${_trainingTimes[day]!.format(context)} - ${_trainingDurations[day]} Minuten',
)
: const Text('Keine Trainingszeit'),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
// Edit or add training time button.
IconButton(
icon: Icon(
_trainingTimes[day] != null
? Icons.edit
: Icons.add,
),
onPressed: _isLoading
? null
: () => _selectTime(context, day),
),
if (_trainingTimes[day] != null)
// Remove training time button.
IconButton(
icon: const Icon(Icons.delete),
onPressed: _isLoading
? null
: () => _removeTrainingTime(day),
),
],
),
),
))
.toList(),
],
),
),
),
],
],
),
),
);
}
}
/// Dialog for selecting the duration of a training session.
class _DurationDialog extends StatefulWidget {
final int initialDuration;
const _DurationDialog({required this.initialDuration});
@override
State<_DurationDialog> createState() => _DurationDialogState();
}
class _DurationDialogState extends State<_DurationDialog> {
late int _duration;
@override
void initState() {
super.initState();
// Initialize duration with the provided initial value.
_duration = widget.initialDuration;
}
@override
Widget build(BuildContext context) {
return AlertDialog(
title: const Text('Trainingsdauer'),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
const Text('Wähle die Dauer der Trainingseinheit in Minuten:'),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// Decrement duration button (minimum 15 minutes).
IconButton(
icon: const Icon(Icons.remove),
onPressed: () {
if (_duration > 15) {
setState(() => _duration -= 15);
}
},
),
Text(
'$_duration Minuten',
style: const TextStyle(fontSize: 18),
),
// Increment duration button (maximum 300 minutes).
IconButton(
icon: const Icon(Icons.add),
onPressed: _duration < 300
? () => setState(() => _duration += 15)
: null,
),
],
),
],
),
actions: [
// Cancel button.
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('Abbrechen'),
),
// Confirm button.
ElevatedButton(
onPressed: () => Navigator.pop(context, _duration),
child: const Text('Bestätigen'),
),
],
);
}
}