Revert "Rename everything filcnaplo-related to refilc"

This reverts commit d1a9625d93.

filcnaplo/lib/api/providers/user_provider.dart

@@ -0,0 +1,78 @@
+import 'dart:io';
+
+import 'package:filcnaplo/models/settings.dart';
+import 'package:filcnaplo/models/user.dart';
+import 'package:filcnaplo_kreta_api/models/student.dart';
+import 'package:flutter/foundation.dart';
+import 'package:home_widget/home_widget.dart';
+import 'package:flutter/services.dart';
+
+class UserProvider with ChangeNotifier {
+  final Map<String, User> _users = {};
+  String? _selectedUserId;
+  User? get user => _users[_selectedUserId];
+
+  // _user properties
+  String? get instituteCode => user?.instituteCode;
+  String? get id => user?.id;
+  String? get name => user?.name;
+  String? get username => user?.username;
+  String? get password => user?.password;
+  Role? get role => user?.role;
+  Student? get student => user?.student;
+  String? get nickname => user?.nickname;
+  String get picture => user?.picture ?? "";
+  String? get displayName => user?.displayName;
+
+  final SettingsProvider _settings;
+
+  UserProvider({required SettingsProvider settings}) : _settings = settings;
+
+  void setUser(String userId) async {
+    _selectedUserId = userId;
+    await _settings.update(lastAccountId: userId);
+    if (Platform.isAndroid) updateWidget();
+    notifyListeners();
+  }
+
+  Future<bool?> updateWidget() async {
+    try {
+      return HomeWidget.updateWidget(name: 'widget_timetable.WidgetTimetable');
+    } on PlatformException catch (exception) {
+      if (kDebugMode) {
+        print('Error Updating Widget After setUser. $exception');
+      }
+    }
+    return false;
+  }
+
+  void addUser(User user) {
+    _users[user.id] = user;
+    if (kDebugMode) {
+      print("DEBUG: Added User: ${user.id}");
+    }
+  }
+
+  void removeUser(String userId) async {
+    _users.removeWhere((key, value) => key == userId);
+    if (_users.isNotEmpty) {
+      setUser(_users.keys.first);
+    } else {
+      await _settings.update(lastAccountId: "");
+    }
+    if (Platform.isAndroid) updateWidget();
+    notifyListeners();
+  }
+
+  User getUser(String userId) {
+    return _users[userId]!;
+  }
+
+  List<User> getUsers() {
+    return _users.values.toList();
+  }
+
+  void refresh() {
+    notifyListeners();
+  }
+}