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

210 lines
9.0 KiB
Dart

import 'package:flutter/material.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'training_detail_screen.dart';
class FavoritesTab extends StatefulWidget {
final String? categoryFilter;
const FavoritesTab({super.key, this.categoryFilter});
@override
State<FavoritesTab> createState() => _FavoritesTabState();
}
class _FavoritesTabState extends State<FavoritesTab> {
static const List<String> _categories = [
'Aufwärmen & Mobilisation',
'Wurf- & Torabschluss',
'Torwarttraining',
'Athletik',
'Pass',
'Koordination',
];
String? _selectedCategory;
@override
void initState() {
super.initState();
_selectedCategory = widget.categoryFilter;
}
@override
Widget build(BuildContext context) {
final user = FirebaseAuth.instance.currentUser;
if (user == null) {
return const Center(child: Text('Nicht eingeloggt'));
}
return Scaffold(
appBar: AppBar(
title: const Text('Favoriten'),
),
body: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Filter-Chip-Leiste
Padding(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
child: Wrap(
spacing: 8,
runSpacing: 8,
children: [
FilterChip(
label: const Text('Alle'),
selected: _selectedCategory == null,
onSelected: (selected) {
setState(() => _selectedCategory = null);
},
),
..._categories.map((cat) => FilterChip(
label: Text(cat),
selected: _selectedCategory == cat,
onSelected: (selected) {
setState(() => _selectedCategory = selected ? cat : null);
},
)),
],
),
),
Expanded(
child: StreamBuilder<DocumentSnapshot>(
stream: FirebaseFirestore.instance.collection('User').doc(user.uid).snapshots(),
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(child: CircularProgressIndicator());
}
if (!snapshot.hasData || !snapshot.data!.exists) {
return const Center(child: Text('Keine Favoriten gefunden'));
}
final data = snapshot.data!.data() as Map<String, dynamic>;
final allFavorites = List<String>.from(data['favorites'] ?? []);
if (allFavorites.isEmpty) {
return const Center(child: Text('Keine Favoriten gefunden'));
}
// Lade alle Favoriten-Dokumente auf einmal
return FutureBuilder<List<DocumentSnapshot>>(
future: Future.wait(allFavorites.map((id) =>
FirebaseFirestore.instance.collection('Training').doc(id).get()
)),
builder: (context, multiSnapshot) {
if (multiSnapshot.connectionState == ConnectionState.waiting) {
return const Center(child: CircularProgressIndicator());
}
if (!multiSnapshot.hasData) {
return const Center(child: Text('Favoriten konnten nicht geladen werden'));
}
// Filtere die Favoriten basierend auf der Kategorie
final filteredFavorites = multiSnapshot.data!.where((doc) {
if (!doc.exists) return false;
if (_selectedCategory == null) return true;
final trainingData = doc.data() as Map<String, dynamic>;
return trainingData['category'] == _selectedCategory;
}).toList();
if (filteredFavorites.isEmpty) {
return const Center(child: Text('Keine Favoriten in dieser Kategorie gefunden'));
}
return GridView.builder(
padding: const EdgeInsets.all(8),
gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
maxCrossAxisExtent: 300,
childAspectRatio: 0.75,
crossAxisSpacing: 10,
mainAxisSpacing: 10,
),
itemCount: filteredFavorites.length,
itemBuilder: (context, index) {
final doc = filteredFavorites[index];
final trainingData = doc.data() as Map<String, dynamic>;
return Card(
child: Stack(
children: [
InkWell(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => TrainingDetailScreen(trainingId: doc.id),
),
);
},
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Expanded(
child: Container(
color: Colors.grey[200],
child: const Center(
child: Icon(Icons.fitness_center, size: 50),
),
),
),
Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
trainingData['title'] ?? 'Unbekannt',
style: const TextStyle(
fontWeight: FontWeight.bold,
fontSize: 16,
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 4),
Row(
children: [
const Icon(Icons.star, color: Colors.amber, size: 16),
const SizedBox(width: 4),
Text(
(trainingData['rating overall'] ?? 0.0).toStringAsFixed(1),
style: const TextStyle(fontSize: 12),
),
],
),
const SizedBox(height: 4),
Text(
'Dauer: \t${trainingData['duration'] ?? '-'} Minuten',
style: const TextStyle(fontSize: 12, color: Colors.grey),
),
],
),
),
],
),
),
Positioned(
top: 4,
right: 4,
child: IconButton(
icon: const Icon(Icons.favorite, color: Colors.red),
onPressed: () async {
await FirebaseFirestore.instance.collection('User').doc(user.uid).update({
'favorites': FieldValue.arrayRemove([doc.id]),
});
},
),
),
],
),
);
},
);
},
);
},
),
),
],
),
);
}
}