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Reformulação de materias uploaded

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240405
2026-05-19 19:44:30 +01:00
parent 8043ee42fe
commit 54d7042b94
1 changed files with 334 additions and 266 deletions
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600
lib/features/materials/presentation/pages/teacher_materials_page.dart
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@@ -27,8 +27,38 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
);
final ImagePicker _imagePicker = ImagePicker();
bool _isUploading = false;
List<Map<String, dynamic>> _classes = [];
List<Map<String, dynamic>> _filteredClasses = [];
String _searchQuery = '';
Stream<QuerySnapshot> _getMaterialsStream() {
@override
void initState() {
super.initState();
_loadClasses();
}
Future<void> _loadClasses() async {
final currentUser = AuthService.currentUser;
if (currentUser == null) return;
final snapshot = await _firestore
.collection('classes')
.where('teacherId', isEqualTo: currentUser.uid)
.orderBy('createdAt', descending: true)
.get();
if (mounted) {
setState(() {
_classes = snapshot.docs.map((doc) {
final data = doc.data();
return {'id': doc.id, 'name': (data['name'] as String? ?? doc.id)};
}).toList();
_filteredClasses = List.from(_classes);
});
}
}
Stream<QuerySnapshot> _getMaterialsStream(String classId) {
final currentUser = AuthService.currentUser;
if (currentUser == null) {
return const Stream.empty();
@@ -37,64 +67,142 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
return _firestore
.collection('materials')
.where('teacherId', isEqualTo: currentUser.uid)
.orderBy('createdAt', descending: true)
.where('classId', isEqualTo: classId)
.snapshots();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text(
'Materiais da Disciplina',
style: TextStyle(fontWeight: FontWeight.bold),
if (_classes.isEmpty) {
return Scaffold(
appBar: AppBar(
title: const Text(
'Materiais da Disciplina',
style: TextStyle(fontWeight: FontWeight.bold),
),
elevation: 0,
),
elevation: 0,
),
floatingActionButton: _isUploading
? FloatingActionButton.extended(
onPressed: null,
backgroundColor: const Color(0xFFF68D2D).withOpacity(0.6),
icon: const SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.white,
),
),
label: const Text(
'A enviar...',
style: TextStyle(color: Colors.white),
),
)
: FloatingActionButton.extended(
onPressed: _showUploadOptions,
backgroundColor: const Color(0xFFF68D2D),
icon: const Icon(Icons.add, color: Colors.white),
label: const Text(
'Adicionar',
style: TextStyle(color: Colors.white),
),
body: Container(
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: Theme.of(context).brightness == Brightness.dark
? [
Theme.of(context).colorScheme.primary.withOpacity(0.3),
Theme.of(context).colorScheme.background,
]
: [const Color(0xFF82C9BD), const Color(0xFFF8F9FA)],
stops: const [0.0, 0.4],
),
),
child: const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.folder_open, size: 64, color: Colors.grey),
SizedBox(height: 16),
Text('Ainda não tens turmas criadas.'),
],
),
body: Container(
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: Theme.of(context).brightness == Brightness.dark
? [
Theme.of(context).colorScheme.primary.withOpacity(0.3),
Theme.of(context).colorScheme.background,
]
: [const Color(0xFF82C9BD), const Color(0xFFF8F9FA)],
stops: const [0.0, 0.4],
),
),
child: SafeArea(
child: StreamBuilder<QuerySnapshot>(
stream: _getMaterialsStream(),
);
}
return DefaultTabController(
length: _filteredClasses.length,
child: Scaffold(
appBar: AppBar(
title: const Text(
'Materiais da Disciplina',
style: TextStyle(fontWeight: FontWeight.bold),
),
elevation: 0,
bottom: PreferredSize(
preferredSize: const Size.fromHeight(kToolbarHeight + 60),
child: Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
child: TextField(
decoration: InputDecoration(
hintText: 'Procurar turma...',
prefixIcon: const Icon(Icons.search),
filled: true,
fillColor: Theme.of(context).colorScheme.surface,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 12,
),
),
onChanged: (value) {
setState(() {
_searchQuery = value.toLowerCase();
_filteredClasses = _classes.where((c) {
final name = (c['name'] as String).toLowerCase();
return name.contains(_searchQuery);
}).toList();
});
},
),
),
if (_filteredClasses.isNotEmpty)
TabBar(
isScrollable: _filteredClasses.length > 3,
indicatorColor: const Color(0xFFF68D2D),
labelColor: const Color(0xFFF68D2D),
unselectedLabelColor: Theme.of(
context,
).colorScheme.onSurface,
tabAlignment: TabAlignment.start,
padding: const EdgeInsets.symmetric(horizontal: 8),
tabs: _filteredClasses
.map((c) => Tab(text: c['name'] as String))
.toList(),
),
],
),
),
),
body: Container(
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: Theme.of(context).brightness == Brightness.dark
? [
Theme.of(context).colorScheme.primary.withOpacity(0.3),
Theme.of(context).colorScheme.background,
]
: [const Color(0xFF82C9BD), const Color(0xFFF8F9FA)],
stops: const [0.0, 0.4],
),
),
child: TabBarView(
children: _filteredClasses.map((classData) {
final classId = classData['id'] as String;
return _buildClassTab(classId: classId);
}).toList(),
),
),
),
);
}
Widget _buildClassTab({required String classId}) {
return SafeArea(
child: Stack(
children: [
StreamBuilder<QuerySnapshot>(
stream: _getMaterialsStream(classId),
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(
@@ -128,6 +236,18 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
final materials = snapshot.data?.docs ?? [];
// Sort by createdAt descending on client side
materials.sort((a, b) {
final aData = a.data() as Map<String, dynamic>?;
final bData = b.data() as Map<String, dynamic>?;
final aTime = aData?['createdAt'] as Timestamp?;
final bTime = bData?['createdAt'] as Timestamp?;
if (aTime == null && bTime == null) return 0;
if (aTime == null) return 1;
if (bTime == null) return -1;
return bTime.compareTo(aTime);
});
if (materials.isEmpty) {
return Center(
child: Column(
@@ -167,7 +287,6 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
materials[index].data() as Map<String, dynamic>;
final fileName = material['fileName'] ?? 'Ficheiro sem nome';
final createdAt = material['createdAt'] as Timestamp?;
// Inferir tipo pela extensão do filename
final extension = path.extension(fileName).toLowerCase();
final fileType = extension == '.pdf'
? 'pdf'
@@ -179,7 +298,6 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
final docId = materials[index].id;
final url = material['url'] as String?;
final classId = material['classId'] as String?;
return _buildMaterialCard(
docId: docId,
@@ -193,12 +311,42 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
);
},
),
),
Positioned(
right: 16,
bottom: 16,
child: _isUploading
? FloatingActionButton.extended(
onPressed: null,
backgroundColor: const Color(0xFFF68D2D).withOpacity(0.6),
icon: const SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.white,
),
),
label: const Text(
'A enviar...',
style: TextStyle(color: Colors.white),
),
)
: FloatingActionButton.extended(
onPressed: () => _showUploadOptions(classId),
backgroundColor: const Color(0xFFF68D2D),
icon: const Icon(Icons.add, color: Colors.white),
label: const Text(
'Adicionar',
style: TextStyle(color: Colors.white),
),
),
),
],
),
);
}
void _showUploadOptions() {
void _showUploadOptions(String classId) {
final cs = Theme.of(context).colorScheme;
showModalBottomSheet(
context: context,
@@ -242,7 +390,7 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
subtitle: 'Selecionar ficheiro PDF',
onTap: () {
Navigator.pop(context);
_selectPDF();
_selectPDF(classId);
},
),
const SizedBox(height: 12),
@@ -253,7 +401,7 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
subtitle: 'Escolher foto existente',
onTap: () {
Navigator.pop(context);
_selectImageFromGallery();
_selectImageFromGallery(classId);
},
),
const SizedBox(height: 12),
@@ -264,7 +412,7 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
subtitle: 'Tirar foto nova',
onTap: () {
Navigator.pop(context);
_takePhotoWithCamera();
_takePhotoWithCamera(classId);
},
),
const SizedBox(height: 20),
@@ -332,7 +480,105 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
);
}
Future<void> _selectPDF() async {
Future<String?> _showRenameDialog(String originalName) async {
if (!mounted) return null;
final wantRename = await showDialog<bool>(
context: context,
builder: (dialogContext) => AlertDialog(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
title: const Text(
'Renomear Ficheiro',
style: TextStyle(fontWeight: FontWeight.bold),
),
content: const Text('Deseja renomear o ficheiro?'),
actions: [
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(false),
child: const Text('Não'),
),
ElevatedButton(
onPressed: () => Navigator.of(dialogContext).pop(true),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFFF68D2D),
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
),
child: const Text('Sim'),
),
],
),
);
if (wantRename != true || !mounted) return originalName;
final newName = await showDialog<String>(
context: context,
builder: (dialogContext) {
return StatefulBuilder(
builder: (context, setDialogState) {
String textValue = originalName;
return AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
title: const Text(
'Novo Nome',
style: TextStyle(fontWeight: FontWeight.bold),
),
content: TextField(
decoration: InputDecoration(
hintText: originalName,
filled: true,
fillColor: Theme.of(
context,
).colorScheme.surfaceContainerHighest,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 12,
),
),
autofocus: true,
onChanged: (value) => textValue = value,
),
actions: [
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(null),
child: const Text('Cancelar'),
),
ElevatedButton(
onPressed: () {
final name = textValue.trim();
if (name.isNotEmpty) {
Navigator.of(dialogContext).pop(name);
}
},
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFFF68D2D),
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
),
child: const Text('Confirmar'),
),
],
);
},
);
},
);
return newName?.isNotEmpty == true ? newName : originalName;
}
Future<void> _selectPDF(String classId) async {
try {
const XTypeGroup pdfTypeGroup = XTypeGroup(
label: 'PDFs',
@@ -343,10 +589,15 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
final XFile? file = await openFile(acceptedTypeGroups: [pdfTypeGroup]);
if (file == null) return;
await _pickClassAndUpload(
final originalName = path.basename(file.path);
final finalName = await _showRenameDialog(originalName);
if (finalName == null) return;
await _uploadFile(
filePath: file.path,
fileName: path.basename(file.path),
fileName: finalName,
fileType: 'pdf',
classId: classId,
);
} catch (e) {
if (mounted) {
@@ -355,7 +606,7 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
}
}
Future<void> _selectImageFromGallery() async {
Future<void> _selectImageFromGallery(String classId) async {
try {
final XFile? image = await _imagePicker.pickImage(
source: ImageSource.gallery,
@@ -365,10 +616,15 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
);
if (image == null) return;
await _pickClassAndUpload(
final originalName = path.basename(image.path);
final finalName = await _showRenameDialog(originalName);
if (finalName == null) return;
await _uploadFile(
filePath: image.path,
fileName: path.basename(image.path),
fileName: finalName,
fileType: 'image',
classId: classId,
);
} catch (e) {
if (mounted) {
@@ -377,7 +633,7 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
}
}
Future<void> _takePhotoWithCamera() async {
Future<void> _takePhotoWithCamera(String classId) async {
try {
final XFile? photo = await _imagePicker.pickImage(
source: ImageSource.camera,
@@ -387,10 +643,15 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
);
if (photo == null) return;
await _pickClassAndUpload(
final originalName = path.basename(photo.path);
final finalName = await _showRenameDialog(originalName);
if (finalName == null) return;
await _uploadFile(
filePath: photo.path,
fileName: path.basename(photo.path),
fileName: finalName,
fileType: 'image',
classId: classId,
);
} catch (e) {
if (mounted) {
@@ -399,142 +660,6 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
}
}
Future<void> _pickClassAndUpload({
required String filePath,
required String fileName,
required String fileType,
}) async {
final currentUser = AuthService.currentUser;
if (currentUser == null) {
_showErrorSnackBar('Utilizador não autenticado');
return;
}
// Carregar as disciplinas do professor
List<Map<String, String>> teacherClasses = [];
try {
final snapshot = await _firestore
.collection('classes')
.where('teacherId', isEqualTo: currentUser.uid)
.orderBy('createdAt', descending: true)
.get();
teacherClasses = snapshot.docs.map((doc) {
final data = doc.data();
return {'id': doc.id, 'name': (data['name'] as String? ?? doc.id)};
}).toList();
} catch (_) {}
if (!mounted) return;
// Se o professor não tem disciplinas, fazer upload sem associar disciplina
if (teacherClasses.isEmpty) {
await _uploadFile(
filePath: filePath,
fileName: fileName,
fileType: fileType,
);
return;
}
// Mostrar diálogo de seleção de disciplina
String? selectedClassId = await showDialog<String>(
context: context,
builder: (dialogContext) {
String? picked;
return StatefulBuilder(
builder: (context, setDialogState) => AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
title: const Text(
'Escolher Disciplina',
style: TextStyle(fontWeight: FontWeight.bold),
),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Seleciona a disciplina que terá acesso a este material:',
style: TextStyle(fontSize: 14),
),
const SizedBox(height: 16),
DropdownButtonFormField<String>(
value: picked,
isExpanded: true,
decoration: InputDecoration(
filled: true,
fillColor: Theme.of(
context,
).colorScheme.surfaceContainerHighest,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide(
color: Theme.of(context).colorScheme.primary,
width: 2,
),
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 10,
),
),
hint: const Text('Seleciona a disciplina'),
items: teacherClasses
.map(
(c) => DropdownMenuItem<String>(
value: c['id'],
child: Text(c['name']!),
),
)
.toList(),
onChanged: (value) => setDialogState(() => picked = value),
),
],
),
actions: [
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(null),
child: const Text('Cancelar'),
),
ElevatedButton(
onPressed: picked == null
? null
: () => Navigator.of(dialogContext).pop(picked),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFFF68D2D),
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
),
child: const Text('Confirmar'),
),
],
),
);
},
);
// Se cancelou o diálogo, não fazer upload
if (selectedClassId == null) return;
await _uploadFile(
filePath: filePath,
fileName: fileName,
fileType: fileType,
classId: selectedClassId,
);
}
Future<void> _uploadFile({
required String filePath,
required String fileName,
@@ -700,18 +825,6 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
);
}
Future<String?> _getClassName(String classId) async {
try {
final doc = await _firestore.collection('classes').doc(classId).get();
if (doc.exists) {
return doc.data()?['name'] as String?;
}
return null;
} catch (_) {
return null;
}
}
Widget _buildMaterialCard({
required String docId,
required String fileName,
@@ -773,58 +886,13 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
subtitle: classId != null
? FutureBuilder<String?>(
future: _getClassName(classId),
builder: (context, snap) {
final className = snap.data;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Text(
formattedDate,
style: TextStyle(
color: Theme.of(context).colorScheme.onSurfaceVariant,
fontSize: 13,
),
),
if (className != null) ...[
const SizedBox(height: 2),
Row(
children: [
Icon(
Icons.school_outlined,
size: 12,
color: Theme.of(context).colorScheme.primary,
),
const SizedBox(width: 4),
Flexible(
child: Text(
className,
style: TextStyle(
color: Theme.of(context).colorScheme.primary,
fontSize: 12,
fontWeight: FontWeight.w500,
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
),
],
),
],
],
);
},
)
: Text(
formattedDate,
style: TextStyle(
color: Theme.of(context).colorScheme.onSurfaceVariant,
fontSize: 13,
),
),
subtitle: Text(
formattedDate,
style: TextStyle(
color: Theme.of(context).colorScheme.onSurfaceVariant,
fontSize: 13,
),
),
trailing: IconButton(
icon: const Icon(Icons.delete_outline, color: Colors.red),
tooltip: 'Eliminar',