136 lines
5.8 KiB
Dart
136 lines
5.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:firebase_auth/firebase_auth.dart';
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import 'training_detail_screen.dart';
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class FavoritesTab extends StatelessWidget {
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const FavoritesTab({super.key});
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@override
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Widget build(BuildContext context) {
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final user = FirebaseAuth.instance.currentUser;
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if (user == null) {
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return const Center(child: Text('Nicht eingeloggt'));
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}
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return Scaffold(
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appBar: AppBar(
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title: const Text('Favoriten'),
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),
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body: StreamBuilder<DocumentSnapshot>(
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stream: FirebaseFirestore.instance.collection('User').doc(user.uid).snapshots(),
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builder: (context, snapshot) {
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if (snapshot.connectionState == ConnectionState.waiting) {
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return const Center(child: CircularProgressIndicator());
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}
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if (!snapshot.hasData || !snapshot.data!.exists) {
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return const Center(child: Text('Keine Favoriten gefunden'));
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}
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final data = snapshot.data!.data() as Map<String, dynamic>;
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final favorites = List<String>.from(data['favorites'] ?? []);
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if (favorites.isEmpty) {
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return const Center(child: Text('Keine Favoriten gefunden'));
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}
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return GridView.builder(
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padding: const EdgeInsets.all(8),
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gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
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maxCrossAxisExtent: 300,
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childAspectRatio: 0.75,
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crossAxisSpacing: 10,
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mainAxisSpacing: 10,
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),
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itemCount: favorites.length,
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itemBuilder: (context, index) {
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return FutureBuilder<DocumentSnapshot>(
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future: FirebaseFirestore.instance.collection('Training').doc(favorites[index]).get(),
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builder: (context, trainingSnapshot) {
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if (!trainingSnapshot.hasData || !trainingSnapshot.data!.exists) {
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return const SizedBox.shrink();
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}
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final trainingData = trainingSnapshot.data!.data() as Map<String, dynamic>;
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return Card(
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child: Stack(
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children: [
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InkWell(
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => TrainingDetailScreen(trainingId: favorites[index]),
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),
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);
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},
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Expanded(
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child: Container(
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color: Colors.grey[200],
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child: const Center(
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child: Icon(Icons.fitness_center, size: 50),
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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(8.0),
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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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trainingData['title'] ?? 'Unbekannt',
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style: const TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 16,
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 4),
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Row(
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children: [
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const Icon(Icons.star, color: Colors.amber, size: 16),
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const SizedBox(width: 4),
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Text(
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(trainingData['rating overall'] ?? 0.0).toStringAsFixed(1),
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style: const TextStyle(fontSize: 12),
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),
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],
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),
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const SizedBox(height: 4),
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Text(
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'Dauer: ${trainingData['duration'] ?? '-'} Minuten',
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style: const TextStyle(fontSize: 12, color: Colors.grey),
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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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Positioned(
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top: 4,
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right: 4,
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child: IconButton(
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icon: const Icon(Icons.favorite, color: Colors.red),
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onPressed: () async {
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await FirebaseFirestore.instance.collection('User').doc(user.uid).update({
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'favorites': FieldValue.arrayRemove([favorites[index]]),
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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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);
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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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