fixed navigation logic

pages/3_Take_Exam.py

@@ -11,6 +11,8 @@ if "quiz_started" not in st.session_state:
 if "quiz_loaded" not in st.session_state:
     st.session_state.quiz_loaded = False
 
+if "quiz_completed" not in st.session_state:
+    st.session_state.quiz_completed = False
 
 def main():
     if not st.session_state.quiz_loaded:
@@ -19,6 +21,8 @@ def main():
 
         if st.session_state.quiz_started:
             st.write("You are currently taking the exam.")
+            quiz_data = st.session_state.quiz_data
+            _QuizGUI(quiz_data).start_quiz()
 
         else:
             #read the metadata and quiz_data from the session state

pages/4_View_Result.py

@@ -1,12 +1,16 @@
 import streamlit as st
+import json
+from quiz_gui_helper import _QuizGUI
 
 def main():
     st.title("View Results")
 
-    if not st.session_state.exam_completed:
+    if not st.session_state.quiz_completed:
         st.error("No completed exam results available.")
     else:
         st.write("Displaying results...")
+        quiz_data = st.session_state.quiz_data
+        _QuizGUI(quiz_data).view_results()
 
         if st.button("Retake Exam"):
             st.session_state.quiz_completed = False

quiz_gui_helper.py

@@ -58,7 +58,11 @@ class _QuizGUI:
             st.button("Next", on_click=self.check_answer)
         else:
             st.success(f"Quiz completed! Your final score is {st.session_state.score}/{len(self.quiz_data)}.")
+            st.write("You can view the summary of your quiz in the results page.")
+            st.session_state.quiz_completed = True
 
+    def view_results(self):
+        if st.session_state.completed:
             st.write("### Quiz Summary")
             for i, question_data in enumerate(self.quiz_data):
                 st.write(f"**Question {i + 1}:** {question_data['question']}")
@@ -69,3 +73,5 @@ class _QuizGUI:
                     st.write("- **Result:** ✅ Correct")
                 else:
                     st.write("- **Result:** ❌ Incorrect")
+        else:
+            st.warning("Please complete the quiz first.")