worked on goal planner finish modal

filcnaplo_premium/lib/providers/goal_provider.dart

@@ -0,0 +1,45 @@
+import 'package:filcnaplo/api/providers/database_provider.dart';
+import 'package:filcnaplo/api/providers/user_provider.dart';
+import 'package:filcnaplo_kreta_api/models/subject.dart';
+import 'package:filcnaplo_kreta_api/providers/grade_provider.dart';
+import 'package:flutter/widgets.dart';
+
+class GoalProvider extends ChangeNotifier {
+  final DatabaseProvider _db;
+  final UserProvider _user;
+  final GradeProvider _gradeProvider;
+
+  late bool _done = false;
+  late Subject _doneSubject;
+
+  bool get hasDoneGoals => _done;
+  Subject get doneSubject => _doneSubject;
+
+  GoalProvider({
+    required DatabaseProvider database,
+    required UserProvider user,
+    required GradeProvider gradeProvider,
+  })  : _db = database,
+        _user = user,
+        _gradeProvider = gradeProvider;
+
+  Future<void> fetchDone() async {
+    var goalAvgs = await _db.userQuery.subjectGoalAverages(userId: _user.id!);
+    var beforeAvgs = await _db.userQuery.subjectGoalAverages(userId: _user.id!);
+
+    List<Subject> subjects = _gradeProvider.grades
+        .map((e) => e.subject)
+        .toSet()
+        .toList()
+      ..sort((a, b) => a.name.compareTo(b.name));
+
+    goalAvgs.forEach((k, v) {
+      if (beforeAvgs[k] == v) {
+        _done = true;
+        _doneSubject = subjects.where((e) => e.id == k).toList()[0];
+
+        notifyListeners();
+      }
+    });
+  }
+}