fixed exam subject rename thing

filcnaplo_kreta_api/lib/models/exam.dart

@@ -1,3 +1,5 @@
+import 'package:filcnaplo_kreta_api/models/subject.dart';
+
 import 'category.dart';
 import 'teacher.dart';
 
@@ -6,8 +8,9 @@ class Exam {
   DateTime date;
   DateTime writeDate;
   Category? mode;
-  int? subjectIndex;
-  String subjectName;
+  // int? subjectIndex;
+  // String subjectName;
+  Subject subject;
   Teacher teacher;
   String description;
   String group;
@@ -18,8 +21,9 @@ class Exam {
     required this.date,
     required this.writeDate,
     this.mode,
-    this.subjectIndex,
-    required this.subjectName,
+    // this.subjectIndex,
+    // required this.subjectName,
+    required this.subject,
     required this.teacher,
     required this.description,
     required this.group,
@@ -36,8 +40,9 @@ class Exam {
           ? DateTime.parse(json["Datum"]).toLocal()
           : DateTime(0),
       mode: json["Modja"] != null ? Category.fromJson(json["Modja"]) : null,
-      subjectIndex: json["OrarendiOraOraszama"],
-      subjectName: json["TantargyNeve"] ?? "",
+      // subjectIndex: json["OrarendiOraOraszama"],
+      // subjectName: json["TantargyNeve"] ?? "",
+      subject: Subject.fromJson(json["Tantargy"] ?? {}),
       teacher: Teacher.fromString((json["RogzitoTanarNeve"] ?? "").trim()),
       description: (json["Temaja"] ?? "").trim(),
       group: json["OsztalyCsoport"] != null