From 1e69bcae1f6f666879e1a345e0e90af09f8d6ac2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marvin=20Ma=CC=88rz?= <marvin.maerz@gmail.com>
Date: Fri, 3 Nov 2023 13:05:06 +0100
Subject: [PATCH] fix: add explicit toJson for abstract classed

---
 lib/src/model/answer/answer_format.dart | 6 ++++++
 lib/src/model/content/content.dart      | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/lib/src/model/answer/answer_format.dart b/lib/src/model/answer/answer_format.dart
index c36c2411..7c789a8b 100644
--- a/lib/src/model/answer/answer_format.dart
+++ b/lib/src/model/answer/answer_format.dart
@@ -58,4 +58,10 @@ abstract class AnswerFormat {
         throw Exception('Unknown type: $type');
     }
   }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'type': answerType,
+    };
+  }
 }
diff --git a/lib/src/model/content/content.dart b/lib/src/model/content/content.dart
index 7bf4d942..a561bd17 100644
--- a/lib/src/model/content/content.dart
+++ b/lib/src/model/content/content.dart
@@ -38,5 +38,12 @@ abstract class Content {
     }
   }
 
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'type': contentType,
+    };
+  }
+
   Widget createWidget();
 }