Revert "Rename everything filcnaplo-related to refilc"

This reverts commit d1a9625d93.

filcnaplo_kreta_api/lib/providers/event_provider.dart

@@ -0,0 +1,59 @@
+import 'package:filcnaplo/api/providers/user_provider.dart';
+import 'package:filcnaplo/api/providers/database_provider.dart';
+import 'package:filcnaplo/models/user.dart';
+import 'package:filcnaplo_kreta_api/client/api.dart';
+import 'package:filcnaplo_kreta_api/client/client.dart';
+import 'package:filcnaplo_kreta_api/models/event.dart';
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+class EventProvider with ChangeNotifier {
+  late List<Event> _events;
+  late BuildContext _context;
+  List<Event> get events => _events;
+
+  EventProvider({
+    List<Event> initialEvents = const [],
+    required BuildContext context,
+  }) {
+    _events = List.castFrom(initialEvents);
+    _context = context;
+
+    if (_events.isEmpty) restore();
+  }
+
+  Future<void> restore() async {
+    String? userId = Provider.of<UserProvider>(_context, listen: false).id;
+
+    // Load events from the database
+    if (userId != null) {
+      var dbEvents = await Provider.of<DatabaseProvider>(_context, listen: false).userQuery.getEvents(userId: userId);
+      _events = dbEvents;
+      notifyListeners();
+    }
+  }
+
+  // Fetches Events from the Kreta API then stores them in the database
+  Future<void> fetch() async {
+    User? user = Provider.of<UserProvider>(_context, listen: false).user;
+    if (user == null) throw "Cannot fetch Events for User null";
+    String iss = user.instituteCode;
+    
+    List? eventsJson = await Provider.of<KretaClient>(_context, listen: false).getAPI(KretaAPI.events(iss));
+    if (eventsJson == null) throw "Cannot fetch Events for User ${user.id}";
+    List<Event> events = eventsJson.map((e) => Event.fromJson(e)).toList();
+
+    if (events.isNotEmpty || _events.isNotEmpty) await store(events);
+  }
+
+  // Stores Events in the database
+  Future<void> store(List<Event> events) async {
+    User? user = Provider.of<UserProvider>(_context, listen: false).user;
+    if (user == null) throw "Cannot store Events for User null";
+    String userId = user.id;
+
+    await Provider.of<DatabaseProvider>(_context, listen: false).userStore.storeEvents(events, userId: userId);
+    _events = events;
+    notifyListeners();
+  }
+}