changed everything from filcnaplo to refilc finally

refilc_kreta_api/lib/models/week.dart

@@ -0,0 +1,47 @@
+// ignore_for_file: no_leading_underscores_for_local_identifiers
+
+import 'package:refilc_kreta_api/controllers/timetable_controller.dart';
+
+class Week {
+  DateTime start;
+  DateTime end;
+
+  Week({required this.start, required this.end});
+
+  factory Week.current() => Week.fromDate(DateTime.now());
+
+  factory Week.fromId(int id) {
+    DateTime _now = TimetableController.getSchoolYearStart()
+        .add(Duration(days: id * DateTime.daysPerWeek));
+    DateTime now = DateTime(_now.year, _now.month, _now.day);
+    return Week(
+      start: now.subtract(Duration(days: now.weekday - 1)),
+      end: now.add(Duration(days: DateTime.daysPerWeek - now.weekday)),
+    );
+  }
+
+  factory Week.fromDate(DateTime date) {
+    // fix #32
+    DateTime _date = DateTime(date.year, date.month, date.day);
+    return Week(
+      start: _date.subtract(Duration(days: _date.weekday - 1)),
+      end: _date.add(Duration(days: DateTime.daysPerWeek - _date.weekday)),
+    );
+  }
+
+  Week next() => Week.fromDate(start.add(const Duration(days: 8)));
+
+  int get id =>
+      -(TimetableController.getSchoolYearStart().difference(start).inDays /
+              DateTime.daysPerWeek)
+          .floor();
+
+  @override
+  String toString() => "Week(start: $start, end: $end)";
+
+  @override
+  bool operator ==(Object other) => other is Week && id == other.id;
+
+  @override
+  int get hashCode => id;
+}