Quiz weiter gebaut;

MultipleChoiceTrainer/Models/DataModels/Evaluation.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MultipleChoiceTrainer.Models.DataModels
+{
+    public class Evaluation
+    {
+        public bool Success => RightAnswer == GivenAnswer;
+        public bool RightAnswer { get; set; }
+        public bool GivenAnswer { get; set; }
+
+        public string Text { get; set; }
+    }
+}

MultipleChoiceTrainer/Models/QuizViewModel.cs

@@ -20,6 +20,12 @@ namespace MultipleChoiceTrainer.Models
 
         public Question CurrentQuestion { get; set; }
 
-        public IList<Choice> Choices { get; set; } 
+        public IList<Choice> Choices { get; set; }
+
+
+        public bool HasPreviousResult => (Evaluations != null && Evaluations.Any());
+        public bool PassedPreviousQuestion => HasPreviousResult && !Evaluations.Any(e => !e.Success);
+        public string PreviousQuestion { get; set; }
+        public IList<Evaluation> Evaluations { get; set; }
     }
 }