reorganize project structure a little bit

lib/components/settings/timetable_data.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:timetable/components/widgets/alert_dialog.dart';
-import 'package:timetable/db/models.dart';
+import 'package:timetable/provider/subjects.dart';
 
 /// All the settings that allow for manipulating the timetable's data.
 class TimetableDataOptions extends ConsumerWidget {

lib/components/subject_management/subject_screen.dart

@@ -9,9 +9,9 @@ import 'package:timetable/constants/basic_subject.dart';
 import 'package:timetable/constants/days.dart';
 import 'package:timetable/constants/rotation_weeks.dart';
 import 'package:timetable/db/database.dart';
-import 'package:timetable/db/models.dart';
 import 'package:timetable/models/overlapping_subjects.dart';
 import 'package:timetable/models/settings.dart';
+import 'package:timetable/provider/subjects.dart';
 
 /// The Subject creation/modification screen.
 /// Uses [TimeDayRotationWeekConfig], [NotesTile] and [ColorsConfig]

lib/db/database.dart

@@ -2,7 +2,7 @@ import 'package:drift/drift.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:timetable/constants/rotation_weeks.dart';
 import 'package:timetable/constants/days.dart';
-import 'package:timetable/db/models.dart';
+import 'package:timetable/db/models/subject.dart';
 import 'package:timetable/db/connection/native.dart';
 import 'package:timetable/db/converters/time_of_day_converter.dart';
 import 'package:flutter/material.dart' as material;

lib/db/models/subject.dart

@@ -0,0 +1,16 @@
+import 'package:drift/drift.dart';
+import 'package:timetable/constants/days.dart';
+import 'package:timetable/constants/rotation_weeks.dart';
+import 'package:timetable/db/converters/time_of_day_converter.dart';
+
+class Subject extends Table {
+  IntColumn get id => integer().autoIncrement()();
+  TextColumn get label => text()();
+  TextColumn get location => text().nullable()();
+  TextColumn get note => text().nullable()();
+  IntColumn get color => integer()();
+  IntColumn get rotationWeek => intEnum<RotationWeeks>()();
+  IntColumn get day => intEnum<Days>()();
+  TextColumn get startTime => text().map(const TimeOfDayConverter())();
+  TextColumn get endTime => text().map(const TimeOfDayConverter())();
+}

lib/db/models.dart → lib/provider/subjects.dart

@@ -1,23 +1,9 @@
 import 'package:drift/drift.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
-import 'package:timetable/constants/days.dart';
-import 'package:timetable/constants/rotation_weeks.dart';
-import 'package:timetable/db/converters/time_of_day_converter.dart';
+
 import 'package:timetable/db/database.dart';
 import 'package:timetable/models/overlapping_subjects.dart';
 
-class Subject extends Table {
-  IntColumn get id => integer().autoIncrement()();
-  TextColumn get label => text()();
-  TextColumn get location => text().nullable()();
-  TextColumn get note => text().nullable()();
-  IntColumn get color => integer()();
-  IntColumn get rotationWeek => intEnum<RotationWeeks>()();
-  IntColumn get day => intEnum<Days>()();
-  TextColumn get startTime => text().map(const TimeOfDayConverter())();
-  TextColumn get endTime => text().map(const TimeOfDayConverter())();
-}
-
 class SubjNotifier extends StateNotifier<List<SubjectData>> {
   AppDatabase db;
   List<List<SubjectData>> overlappingSubjects;

lib/screens/timetable_screen.dart

@@ -7,8 +7,8 @@ import 'package:timetable/components/widgets/grid_day_views_toggle.dart';
 import 'package:timetable/components/widgets/navigation_bar_toggle.dart';
 import 'package:timetable/components/widgets/rotation_week_toggle.dart';
 import 'package:timetable/constants/rotation_weeks.dart';
-import 'package:timetable/db/models.dart';
 import 'package:timetable/models/settings.dart';
+import 'package:timetable/provider/subjects.dart';
 
 /// The main screen, displays the default timetable view.
 /// basically groups [TimetableGridView] & [TimetableDayView].