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

392 lines
16 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 SearchTab extends StatefulWidget {
const SearchTab({super.key});
@override
State<SearchTab> createState() => _SearchTabState();
}
class _SearchTabState extends State<SearchTab> {
final TextEditingController _searchController = TextEditingController();
final List<String> _categories = [
'Aufwärmen & Mobilisation',
'Wurf- & Torabschluss',
'Torwarttraining',
'Athletik',
'Pass',
'Koordination',
];
String? _selectedCategory;
String _searchTerm = '';
bool _isTrainer = false;
bool _trainerChecked = false;
Set<String> _favorites = {};
@override
void initState() {
super.initState();
_searchController.addListener(() {
setState(() {
_searchTerm = _searchController.text.trim();
});
});
_checkIfTrainer();
_loadFavorites();
}
Future<void> _checkIfTrainer() async {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
final doc = await FirebaseFirestore.instance.collection('User').doc(user.uid).get();
setState(() {
_isTrainer = doc.data()?['role'] == 'trainer';
_trainerChecked = true;
});
}
Future<void> _loadFavorites() async {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
final doc = await FirebaseFirestore.instance.collection('User').doc(user.uid).get();
final data = doc.data();
if (data != null && data['favorites'] != null) {
setState(() {
_favorites = Set<String>.from(data['favorites']);
});
}
}
void _showCreateTrainingDialog() {
showDialog(
context: context,
builder: (context) => _CreateTrainingDialog(categories: _categories),
).then((_) => setState(() {})); // Refresh nach Hinzufügen
}
Future<void> _toggleFavorite(String trainingId, bool isFavorite) async {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
if (isFavorite) {
await FirebaseFirestore.instance.collection('User').doc(user.uid).update({
'favorites': FieldValue.arrayRemove([trainingId]),
});
} else {
await FirebaseFirestore.instance.collection('User').doc(user.uid).update({
'favorites': FieldValue.arrayUnion([trainingId]),
});
}
await _loadFavorites(); // Aktualisiere die Favoriten nach dem Toggle
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: CustomScrollView(
slivers: [
SliverAppBar(
floating: true,
title: TextField(
controller: _searchController,
decoration: InputDecoration(
hintText: 'Suche nach Training...',
border: InputBorder.none,
prefixIcon: const Icon(Icons.search),
suffixIcon: IconButton(
icon: const Icon(Icons.clear),
onPressed: () => _searchController.clear(),
),
),
),
actions: [
if (_trainerChecked && _isTrainer)
IconButton(
icon: const Icon(Icons.add),
tooltip: 'Neues Training erstellen',
onPressed: _showCreateTrainingDialog,
),
],
),
SliverPadding(
padding: const EdgeInsets.all(16.0),
sliver: SliverToBoxAdapter(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Kategorien',
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
Wrap(
spacing: 8,
runSpacing: 8,
children: _categories.map((category) {
return FilterChip(
label: Text(category),
selected: _selectedCategory == category,
onSelected: (bool selected) {
setState(() {
_selectedCategory = selected ? category : null;
});
},
);
}).toList(),
),
],
),
),
),
if (_searchTerm.isNotEmpty || _selectedCategory != null)
SliverPadding(
padding: const EdgeInsets.all(16.0),
sliver: FutureBuilder<QuerySnapshot>(
future: FirebaseFirestore.instance.collection('Training').get(),
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const SliverToBoxAdapter(
child: Center(child: CircularProgressIndicator()));
}
if (!snapshot.hasData || snapshot.data!.docs.isEmpty) {
return const SliverToBoxAdapter(
child: Center(child: Text('Keine Trainings gefunden.')));
}
final docs = snapshot.data!.docs.where((doc) {
final data = doc.data() as Map<String, dynamic>;
final title = (data['title'] ?? '').toString().toLowerCase();
final description = (data['description'] ?? '').toString().toLowerCase();
final category = (data['category'] ?? '').toString();
final matchesSearch = _searchTerm.isEmpty ||
title.contains(_searchTerm.toLowerCase()) ||
description.contains(_searchTerm.toLowerCase());
final matchesCategory = _selectedCategory == null || category == _selectedCategory;
return matchesSearch && matchesCategory;
}).toList();
if (docs.isEmpty) {
return const SliverToBoxAdapter(
child: Center(child: Text('Keine Trainings gefunden.')));
}
return SliverGrid(
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 2,
mainAxisSpacing: 16,
crossAxisSpacing: 16,
childAspectRatio: 0.75,
),
delegate: SliverChildBuilderDelegate((context, index) {
final data = docs[index].data() as Map<String, dynamic>;
final isFavorite = _favorites.contains(docs[index].id);
return Card(
clipBehavior: Clip.antiAlias,
child: InkWell(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => TrainingDetailScreen(trainingId: docs[index].id),
),
);
},
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: (data['picture'] is String && data['picture'] != '')
? Image.network(
data['picture'],
width: double.infinity,
fit: BoxFit.cover,
)
: Container(
color: Colors.grey[300],
child: const Center(
child: Icon(Icons.fitness_center, size: 40),
),
),
),
Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
data['title'] ?? '-',
style: const TextStyle(
fontWeight: FontWeight.bold,
fontSize: 16,
),
),
const SizedBox(height: 4),
Text(
data['description'] ?? '-',
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: TextStyle(
color: Colors.grey[600],
fontSize: 13,
),
),
const SizedBox(height: 4),
Text(
'${data['duration'] ?? '-'} Minuten',
style: TextStyle(
color: Colors.grey[600],
fontSize: 13,
),
),
const SizedBox(height: 4),
Row(
children: [
const Icon(Icons.star, size: 16, color: Colors.amber),
const SizedBox(width: 4),
Text('${data['rating overall'] ?? '-'}'),
],
),
const SizedBox(height: 4),
Text('Level: ${data['year'] ?? '-'}'),
const SizedBox(height: 4),
Align(
alignment: Alignment.bottomRight,
child: IconButton(
icon: Icon(
isFavorite ? Icons.favorite : Icons.favorite_border,
color: isFavorite ? Colors.red : null,
),
onPressed: () => _toggleFavorite(docs[index].id, isFavorite),
),
),
],
),
),
],
),
),
);
}, childCount: docs.length),
);
},
),
),
],
),
);
}
@override
void dispose() {
_searchController.dispose();
super.dispose();
}
}
class _CreateTrainingDialog extends StatefulWidget {
final List<String> categories;
const _CreateTrainingDialog({required this.categories});
@override
State<_CreateTrainingDialog> createState() => _CreateTrainingDialogState();
}
class _CreateTrainingDialogState extends State<_CreateTrainingDialog> {
final _formKey = GlobalKey<FormState>();
String? _category;
String? _title;
String? _description;
int? _duration;
String? _picture;
double? _rating;
String? _year;
bool _loading = false;
@override
Widget build(BuildContext context) {
return AlertDialog(
title: const Text('Neues Training erstellen'),
content: SingleChildScrollView(
child: Form(
key: _formKey,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
DropdownButtonFormField<String>(
value: _category,
items: widget.categories
.map((cat) => DropdownMenuItem(value: cat, child: Text(cat)))
.toList(),
onChanged: (v) => setState(() => _category = v),
decoration: const InputDecoration(labelText: 'Kategorie'),
validator: (v) => v == null ? 'Kategorie wählen' : null,
),
TextFormField(
decoration: const InputDecoration(labelText: 'Titel'),
onChanged: (v) => _title = v,
validator: (v) => v == null || v.isEmpty ? 'Titel angeben' : null,
),
TextFormField(
decoration: const InputDecoration(labelText: 'Beschreibung'),
onChanged: (v) => _description = v,
validator: (v) => v == null || v.isEmpty ? 'Beschreibung angeben' : null,
maxLines: 2,
),
TextFormField(
decoration: const InputDecoration(labelText: 'Dauer (Minuten)'),
keyboardType: TextInputType.number,
onChanged: (v) => _duration = int.tryParse(v),
validator: (v) => v == null || int.tryParse(v) == null ? 'Zahl angeben' : null,
),
TextFormField(
decoration: const InputDecoration(labelText: 'Bild-URL (optional)'),
onChanged: (v) => _picture = v,
),
TextFormField(
decoration: const InputDecoration(labelText: 'Bewertung (0-5)'),
keyboardType: TextInputType.number,
onChanged: (v) => _rating = double.tryParse(v),
validator: (v) {
final d = double.tryParse(v ?? '');
if (d == null || d < 0 || d > 5) return '0-5 angeben';
return null;
},
),
TextFormField(
decoration: const InputDecoration(labelText: 'Schwierigkeitslevel'),
onChanged: (v) => _year = v,
validator: (v) => v == null || v.isEmpty ? 'Level angeben' : null,
),
],
),
),
),
actions: [
TextButton(
onPressed: _loading ? null : () => Navigator.pop(context),
child: const Text('Abbrechen'),
),
ElevatedButton(
onPressed: _loading
? null
: () async {
if (_formKey.currentState!.validate()) {
setState(() => _loading = true);
await FirebaseFirestore.instance.collection('Training').add({
'category': _category,
'title': _title,
'description': _description,
'duration': _duration,
'picture': _picture,
'rating overall': _rating,
'year': _year,
});
Navigator.pop(context);
}
},
child: _loading ? const CircularProgressIndicator() : const Text('Erstellen'),
),
],
);
}
}