flutter linting

filcnaplo/lib/api/providers/news_provider.dart

@@ -72,10 +72,11 @@ class NewsProvider extends ChangeNotifier {
 
     Provider.of<SettingsProvider>(_context, listen: false).update(_context, newsState: _state);
 
-    if (_fresh > 0)
+    if (_fresh > 0) {
       show = true;
-    else
+    } else {
       show = false;
+    }
 
     notifyListeners();
   }

filcnaplo/lib/api/providers/status_provider.dart

@@ -5,14 +5,14 @@ import 'package:http/http.dart' as http;
 enum Status { network, maintenance, syncing }
 
 class StatusProvider extends ChangeNotifier {
-  List<Status> _stack = [];
+  final List<Status> _stack = [];
   double _progress = 0.0;
 
   StatusProvider() {
     _handleNetworkChanges();
   }
 
-  Status? getStatus() => _stack.length > 0 ? _stack[0] : null;
+  Status? getStatus() => _stack.isNotEmpty ? _stack[0] : null;
   // Status progress from 0.0 to 1.0
   double get progress => _progress;
 
@@ -64,10 +64,12 @@ class StatusProvider extends ChangeNotifier {
     if (_progress == 1.0) {
       notifyListeners();
       // Wait for animation
-      Future.delayed(Duration(milliseconds: 250), () {
+      Future.delayed(const Duration(milliseconds: 250), () {
         _stack.remove(Status.syncing);
         notifyListeners();
       });
-    } else if (progress != prev) notifyListeners();
+    } else if (progress != prev) {
+      notifyListeners();
+    }
   }
 }

filcnaplo/lib/api/providers/sync.dart

@@ -24,6 +24,7 @@ Future<void> syncAll(BuildContext context) {
   // Lock
   lock = true;
 
+  // ignore: avoid_print
   print("INFO Syncing all");
 
   UserProvider user = Provider.of<UserProvider>(context, listen: false);
@@ -42,7 +43,7 @@ Future<void> syncAll(BuildContext context) {
     _syncStatus(Provider.of<GradeProvider>(context, listen: false).fetch()),
     _syncStatus(Provider.of<TimetableProvider>(context, listen: false).fetch(week: Week.current())),
     _syncStatus(Provider.of<ExamProvider>(context, listen: false).fetch()),
-    _syncStatus(Provider.of<HomeworkProvider>(context, listen: false).fetch(from: DateTime.now().subtract(Duration(days: 30)))),
+    _syncStatus(Provider.of<HomeworkProvider>(context, listen: false).fetch(from: DateTime.now().subtract(const Duration(days: 30)))),
     _syncStatus(Provider.of<MessageProvider>(context, listen: false).fetchAll()),
     _syncStatus(Provider.of<NoteProvider>(context, listen: false).fetch()),
     _syncStatus(Provider.of<EventProvider>(context, listen: false).fetch()),

filcnaplo/lib/api/providers/update_provider.dart

@@ -9,7 +9,7 @@ class UpdateProvider extends ChangeNotifier {
   // Private
   late List<Release> _releases;
   bool _available = false;
-  bool get available => _available && _releases.length > 0;
+  bool get available => _available && _releases.isNotEmpty;
   PackageInfo? _packageInfo;
 
   // Public
@@ -32,8 +32,9 @@ class UpdateProvider extends ChangeNotifier {
     _releases.sort((a, b) => -a.version.compareTo(b.version));
 
     // Check for new releases
-    if (_releases.length > 0) {
+    if (_releases.isNotEmpty) {
       _available = _packageInfo != null && _releases.first.version.compareTo(Version.fromString(currentVersion)) == 1;
+      // ignore: avoid_print
       if (_available) print("INFO: New update: ${releases.first.version}");
       notifyListeners();
     }

filcnaplo/lib/api/providers/user_provider.dart

@@ -3,7 +3,7 @@ import 'package:filcnaplo_kreta_api/models/student.dart';
 import 'package:flutter/foundation.dart';
 
 class UserProvider with ChangeNotifier {
-  Map<String, User> _users = {};
+  final Map<String, User> _users = {};
   String? _selectedUserId;
   User? get user => _users[_selectedUserId];
 
@@ -23,7 +23,9 @@ class UserProvider with ChangeNotifier {
 
   void addUser(User user) {
     _users[user.id] = user;
-    print("DEBUG: Added User: ${user.id} ${user.name}");
+    if (kDebugMode) {
+      print("DEBUG: Added User: ${user.id} ${user.name}");
+    }
   }
 
   void removeUser(String userId) {