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feat: integrate WordPress PDF Aussendungen with in-app reader into News

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This commit is contained in:
Nizz05
2026-09-14 21:32:03 +02:00
parent e512c081e3
commit 9a823cbcdb
8 changed files with 1000 additions and 228 deletions
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lib/screens/post_list_screen.dart
+448 -228
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@@ -2,7 +2,9 @@ import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';
import 'package:url_launcher/url_launcher.dart';
import '../models/post_item.dart';
import '../services/aussendungen_service.dart';
import '../services/auth_service.dart';
import '../services/firestore_service.dart';
import '../services/pdf_service.dart';
@@ -11,6 +13,7 @@ import 'add_issue_screen.dart';
import 'add_post_screen.dart';
import 'auth_dialog.dart';
import 'detail_screen.dart';
import 'pdf_viewer_screen.dart';
class PostListScreen extends StatefulWidget {
final String collectionName;
@@ -29,12 +32,44 @@ class PostListScreen extends StatefulWidget {
class _PostListScreenState extends State<PostListScreen> {
final FirestoreService _firestoreService = FirestoreService();
final StorageService _storageService = StorageService();
final AussendungenService _aussendungenService = AussendungenService();
final Map<String, PostItem> _selectedItems = {};
String _searchQuery = '';
bool _isSearchActive = false;
final TextEditingController _searchController = TextEditingController();
List<PostItem> _aussendungen = [];
bool _isLoadingAussendungen = false;
String _newsFilter = 'all'; // 'all', 'aussendungen', 'news'
@override
void initState() {
super.initState();
if (widget.collectionName == 'News') {
_loadAussendungen();
}
}
Future<void> _loadAussendungen({bool force = false}) async {
if (widget.collectionName != 'News') return;
if (mounted) setState(() => _isLoadingAussendungen = true);
try {
final items = await _aussendungenService.getAussendungen(forceRefresh: force);
if (mounted) {
setState(() {
_aussendungen = items;
_isLoadingAussendungen = false;
});
}
} catch (e) {
debugPrint('Error loading Aussendungen: $e');
if (mounted) {
setState(() => _isLoadingAussendungen = false);
}
}
}
@override
void dispose() {
_searchController.dispose();
@@ -211,236 +246,23 @@ class _PostListScreenState extends State<PostListScreen> {
],
],
),
body: StreamBuilder<List<PostItem>>(
stream: _firestoreService.getPostsStream(widget.collectionName),
builder: (context, snapshot) {
if (snapshot.hasError) {
return Center(
child: Text(
'Fehler beim Laden: ${snapshot.error}',
style: const TextStyle(color: Colors.red),
),
);
}
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(child: CircularProgressIndicator());
}
final allItems = snapshot.data ?? [];
final filteredItems = allItems.where((item) {
if (_searchQuery.isEmpty) return true;
final query = _searchQuery.toLowerCase();
final matchesTitle = item.title.toLowerCase().contains(query);
final matchesDesc = item.description.toLowerCase().contains(query);
final matchesStreet =
item.street?.toLowerCase().contains(query) ?? false;
final matchesCategory =
item.category?.toLowerCase().contains(query) ?? false;
return matchesTitle || matchesDesc || matchesStreet || matchesCategory;
}).toList();
if (filteredItems.isEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.inbox, size: 64, color: Colors.grey.shade400),
const SizedBox(height: 12),
Text(
_searchQuery.isNotEmpty
? 'Keine Treffer für "$_searchQuery"'
: 'Noch keine Einträge vorhanden.',
style: TextStyle(color: Colors.grey.shade600, fontSize: 16),
body: widget.collectionName == 'News'
? Column(
children: [
_buildNewsFilterBar(),
if (_isLoadingAussendungen && _aussendungen.isEmpty)
const LinearProgressIndicator(minHeight: 2),
Expanded(
child: RefreshIndicator(
onRefresh: () async {
await _loadAussendungen(force: true);
},
child: _buildPostList(auth, currentUser),
),
],
),
);
}
return ListView.separated(
itemCount: filteredItems.length,
separatorBuilder: (ctx, idx) => const Divider(
height: 1,
indent: 16,
endIndent: 16,
color: Colors.black12,
),
itemBuilder: (context, index) {
final item = filteredItems[index];
final isSelected = _selectedItems.containsKey(item.id);
final isAuthor =
currentUser != null && item.authorUid == currentUser.uid;
final canDelete = isAuthor || auth.isAdmin;
final formattedDate =
DateFormat('dd.MM.yyyy').format(item.createdDate);
Widget itemTile = ListTile(
selected: isSelected,
selectedTileColor: Colors.blue.shade50,
contentPadding:
const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
onTap: () {
if (_selectedItems.isNotEmpty) {
_toggleSelection(item);
} else {
Navigator.push(
context,
MaterialPageRoute(
builder: (ctx) => DetailScreen(item: item),
),
);
}
},
onLongPress: () => _toggleSelection(item),
leading: item.imageUrl.isNotEmpty
? Stack(
children: [
ClipRRect(
borderRadius: BorderRadius.circular(8),
child: CachedNetworkImage(
imageUrl: item.imageUrl,
width: 70,
height: 70,
fit: BoxFit.cover,
placeholder: (ctx, url) => Container(
width: 70,
height: 70,
color: Colors.grey.shade200,
child: const Center(
child: SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(strokeWidth: 2),
),
),
),
errorWidget: (ctx, url, err) => Container(
width: 70,
height: 70,
color: Colors.grey.shade200,
child: const Icon(Icons.image, color: Colors.grey),
),
),
),
if (isSelected)
const Positioned(
top: 2,
left: 2,
child: CircleAvatar(
radius: 12,
backgroundColor: Colors.blue,
child: Icon(Icons.check, size: 16, color: Colors.white),
),
),
],
)
: isSelected
? const CircleAvatar(
backgroundColor: Colors.blue,
child: Icon(Icons.check, color: Colors.white),
)
: null,
title: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Text(
item.title,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
const SizedBox(width: 8),
Text(
formattedDate,
style: TextStyle(
fontSize: 12,
color: Colors.grey.shade600,
),
),
],
),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (item.street != null && item.street!.isNotEmpty) ...[
const SizedBox(height: 2),
Row(
children: [
const Icon(Icons.location_on, size: 12, color: Colors.redAccent),
const SizedBox(width: 4),
Text(
item.street!,
style: const TextStyle(
fontSize: 12,
fontWeight: FontWeight.w500,
color: Colors.black87,
),
),
],
),
],
const SizedBox(height: 4),
Text(
item.description,
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 13,
color: Colors.grey.shade800,
),
),
],
),
);
if (canDelete) {
return Dismissible(
key: Key(item.id),
direction: DismissDirection.endToStart,
background: Container(
color: Colors.red,
alignment: Alignment.centerRight,
padding: const EdgeInsets.only(right: 20),
child: const Icon(Icons.delete, color: Colors.white),
),
confirmDismiss: (direction) async {
return await showDialog(
context: context,
builder: (dialogCtx) => AlertDialog(
title: const Text('Eintrag löschen?'),
content: const Text(
'Möchten Sie diesen Eintrag wirklich unwiderruflich löschen?'),
actions: [
TextButton(
onPressed: () => Navigator.pop(dialogCtx, false),
child: const Text('Abbrechen'),
),
ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red),
onPressed: () => Navigator.pop(dialogCtx, true),
child: const Text('Löschen'),
),
],
),
);
},
onDismissed: (direction) => _deletePost(item),
child: itemTile,
);
}
return itemTile;
},
);
},
),
],
)
: _buildPostList(auth, currentUser),
floatingActionButton: (widget.collectionName == 'News' && !auth.isAdmin)
? null
: FloatingActionButton(
@@ -452,4 +274,402 @@ class _PostListScreenState extends State<PostListScreen> {
),
);
}
Widget _buildNewsFilterBar() {
return Container(
width: double.infinity,
color: Colors.grey.shade50,
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
child: SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
children: [
ChoiceChip(
label: const Text('Alle'),
selected: _newsFilter == 'all',
onSelected: (_) => setState(() => _newsFilter = 'all'),
selectedColor: Colors.blue.shade100,
),
const SizedBox(width: 8),
ChoiceChip(
avatar: Icon(
Icons.picture_as_pdf,
size: 16,
color: _newsFilter == 'aussendungen'
? Colors.red.shade900
: Colors.red.shade700,
),
label: Text('Aussendungen (${_aussendungen.length})'),
selected: _newsFilter == 'aussendungen',
onSelected: (_) => setState(() => _newsFilter = 'aussendungen'),
selectedColor: Colors.red.shade100,
),
const SizedBox(width: 8),
ChoiceChip(
avatar: Icon(
Icons.newspaper,
size: 16,
color: _newsFilter == 'news'
? Colors.blue.shade900
: Colors.blue.shade700,
),
label: const Text('Aktuelles'),
selected: _newsFilter == 'news',
onSelected: (_) => setState(() => _newsFilter = 'news'),
selectedColor: Colors.blue.shade100,
),
],
),
),
);
}
Widget _buildPostList(AuthService auth, dynamic currentUser) {
return StreamBuilder<List<PostItem>>(
stream: _firestoreService.getPostsStream(widget.collectionName),
builder: (context, snapshot) {
if (snapshot.hasError) {
return Center(
child: Text(
'Fehler beim Laden: ${snapshot.error}',
style: const TextStyle(color: Colors.red),
),
);
}
if (snapshot.connectionState == ConnectionState.waiting &&
widget.collectionName != 'News') {
return const Center(child: CircularProgressIndicator());
}
final firestoreItems = snapshot.data ?? [];
List<PostItem> allItems;
if (widget.collectionName == 'News') {
allItems = [...firestoreItems, ..._aussendungen];
allItems.sort((a, b) => b.createdDate.compareTo(a.createdDate));
if (_newsFilter == 'aussendungen') {
allItems = allItems.where((item) => item.isAussendung).toList();
} else if (_newsFilter == 'news') {
allItems = allItems.where((item) => !item.isAussendung).toList();
}
} else {
allItems = firestoreItems;
}
final filteredItems = allItems.where((item) {
if (_searchQuery.isEmpty) return true;
final query = _searchQuery.toLowerCase();
final matchesTitle = item.title.toLowerCase().contains(query);
final matchesDesc = item.description.toLowerCase().contains(query);
final matchesStreet =
item.street?.toLowerCase().contains(query) ?? false;
final matchesCategory =
item.category?.toLowerCase().contains(query) ?? false;
return matchesTitle || matchesDesc || matchesStreet || matchesCategory;
}).toList();
if (filteredItems.isEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.inbox, size: 64, color: Colors.grey.shade400),
const SizedBox(height: 12),
Text(
_searchQuery.isNotEmpty
? 'Keine Treffer für "$_searchQuery"'
: 'Noch keine Einträge vorhanden.',
style: TextStyle(color: Colors.grey.shade600, fontSize: 16),
),
],
),
);
}
return ListView.separated(
itemCount: filteredItems.length,
separatorBuilder: (ctx, idx) => const Divider(
height: 1,
indent: 16,
endIndent: 16,
color: Colors.black12,
),
itemBuilder: (context, index) {
final item = filteredItems[index];
final isSelected = _selectedItems.containsKey(item.id);
final isAuthor =
currentUser != null && item.authorUid == currentUser.uid;
final canDelete = !item.isAussendung && (isAuthor || auth.isAdmin);
final formattedDate =
DateFormat('dd.MM.yyyy').format(item.createdDate);
Widget? leadingWidget;
if (item.imageUrl.isNotEmpty) {
leadingWidget = Stack(
children: [
ClipRRect(
borderRadius: BorderRadius.circular(8),
child: CachedNetworkImage(
imageUrl: item.imageUrl,
width: 70,
height: 70,
fit: BoxFit.cover,
placeholder: (ctx, url) => Container(
width: 70,
height: 70,
color: Colors.grey.shade200,
child: const Center(
child: SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(strokeWidth: 2),
),
),
),
errorWidget: (ctx, url, err) => Container(
width: 70,
height: 70,
color: Colors.grey.shade200,
child: const Icon(Icons.image, color: Colors.grey),
),
),
),
if (isSelected)
const Positioned(
top: 2,
left: 2,
child: CircleAvatar(
radius: 12,
backgroundColor: Colors.blue,
child: Icon(Icons.check, size: 16, color: Colors.white),
),
),
],
);
} else if (item.isAussendung) {
leadingWidget = Stack(
children: [
Container(
width: 58,
height: 58,
decoration: BoxDecoration(
color: Colors.red.shade50,
borderRadius: BorderRadius.circular(10),
border: Border.all(color: Colors.red.shade200),
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.picture_as_pdf,
color: Colors.red.shade700, size: 26),
const SizedBox(height: 2),
Text(
'PDF',
style: TextStyle(
fontSize: 9,
fontWeight: FontWeight.bold,
color: Colors.red.shade800,
),
),
],
),
),
if (isSelected)
const Positioned(
top: 2,
left: 2,
child: CircleAvatar(
radius: 12,
backgroundColor: Colors.blue,
child: Icon(Icons.check, size: 16, color: Colors.white),
),
),
],
);
} else if (isSelected) {
leadingWidget = const CircleAvatar(
backgroundColor: Colors.blue,
child: Icon(Icons.check, color: Colors.white),
);
}
Widget itemTile = ListTile(
selected: isSelected,
selectedTileColor: Colors.blue.shade50,
contentPadding:
const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
onTap: () async {
if (_selectedItems.isNotEmpty) {
_toggleSelection(item);
} else if (item.isAussendung) {
if (item.pdfUrl != null && item.pdfUrl!.isNotEmpty) {
Navigator.push(
context,
MaterialPageRoute(
builder: (ctx) => PdfViewerScreen(
title: item.title,
pdfUrl: item.pdfUrl!,
),
),
);
} else if (item.webUrl != null && item.webUrl!.isNotEmpty) {
final uri = Uri.parse(item.webUrl!);
if (await canLaunchUrl(uri)) {
await launchUrl(uri,
mode: LaunchMode.externalApplication);
}
}
} else {
Navigator.push(
context,
MaterialPageRoute(
builder: (ctx) => DetailScreen(item: item),
),
);
}
},
onLongPress: () => _toggleSelection(item),
leading: leadingWidget,
trailing: item.isAussendung
? Icon(Icons.arrow_forward_ios,
size: 14, color: Colors.grey.shade400)
: null,
title: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Text(
item.title,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
),
const SizedBox(width: 8),
Text(
formattedDate,
style: TextStyle(
fontSize: 12,
color: Colors.grey.shade600,
),
),
],
),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (item.street != null && item.street!.isNotEmpty) ...[
const SizedBox(height: 2),
Row(
children: [
const Icon(Icons.location_on,
size: 12, color: Colors.redAccent),
const SizedBox(width: 4),
Text(
item.street!,
style: const TextStyle(
fontSize: 12,
fontWeight: FontWeight.w500,
color: Colors.black87,
),
),
],
),
],
const SizedBox(height: 4),
if (item.isAussendung)
Row(
children: [
Container(
padding: const EdgeInsets.symmetric(
horizontal: 6, vertical: 2),
decoration: BoxDecoration(
color: Colors.red.shade100,
borderRadius: BorderRadius.circular(4),
),
child: Text(
'Aussendung (PDF)',
style: TextStyle(
fontSize: 10,
fontWeight: FontWeight.bold,
color: Colors.red.shade900,
),
),
),
const SizedBox(width: 8),
Expanded(
child: Text(
item.description,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 12,
color: Colors.grey.shade700,
),
),
),
],
)
else
Text(
item.description,
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 13,
color: Colors.grey.shade800,
),
),
],
),
);
if (canDelete) {
return Dismissible(
key: Key(item.id),
direction: DismissDirection.endToStart,
background: Container(
color: Colors.red,
alignment: Alignment.centerRight,
padding: const EdgeInsets.only(right: 20),
child: const Icon(Icons.delete, color: Colors.white),
),
confirmDismiss: (direction) async {
return await showDialog(
context: context,
builder: (dialogCtx) => AlertDialog(
title: const Text('Eintrag löschen?'),
content: const Text(
'Möchten Sie diesen Eintrag wirklich unwiderruflich löschen?'),
actions: [
TextButton(
onPressed: () => Navigator.pop(dialogCtx, false),
child: const Text('Abbrechen'),
),
ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red),
onPressed: () => Navigator.pop(dialogCtx, true),
child: const Text('Löschen'),
),
],
),
);
},
onDismissed: (direction) => _deletePost(item),
child: itemTile,
);
}
return itemTile;
},
);
},
);
}
}