[Updated] Finished Frontend, Added statushandling to backend and frontend [Todo: session token handling at lvl 2]

backend/src/main/java/com/ninjaws/quiz/services/CleanerService.java

@@ -1,16 +1,22 @@
 package com.ninjaws.quiz.services;
 
+import java.io.IOException;
+
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import com.ninjaws.quiz.models.QuizSettings;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.ninjaws.quiz.models.ApiResponse;
 
 @Service
 public class CleanerService {
 
+    @Autowired
+    private ObjectMapper objectMapper;
+
     public CleanerService() {}
 
-    public QuizSettings jsonToQuizSettings(String json){
-        QuizSettings quizSettings = new QuizSettings();
-        return quizSettings;
+    public ApiResponse extractApiResponse(String json) throws IOException {
+        return objectMapper.readValue(json, ApiResponse.class);
     }
 }