Create sidebar.py

src/components/sidebar.py

@@ -0,0 +1,40 @@
+import streamlit as st
+from datetime import datetime
+
+class Sidebar:
+    @staticmethod
+    def display():
+        with st.sidebar:
+            st.subheader("👤 User Profile")
+            
+            # User login/profile
+            if 'username' not in st.session_state:
+                with st.form("login_form"):
+                    username = st.text_input("Enter your nickname")
+                    if st.form_submit_button("Start Learning"):
+                        if username:
+                            st.session_state.username = username
+                            st.rerun()
+            else:
+                st.write(f"Welcome, {st.session_state.username}! 👋")
+                if st.button("Sign Out"):
+                    for key in ['username', 'messages', 'user_progress']:
+                        if key in st.session_state:
+                            del st.session_state[key]
+                    st.rerun()
+            
+            # Progress section
+            if 'username' in st.session_state:
+                st.subheader("📊 Your Progress")
+                completed = len(st.session_state.user_progress['completed_modules'])
+                st.progress(completed / 8, f"Completed {completed}/8 modules")
+                
+                # Learning streak
+                if st.session_state.user_progress.get('learning_streak', 0) > 0:
+                    st.write(f"🔥 Learning Streak: {st.session_state.user_progress['learning_streak']} days")
+                
+                # Achievements section
+                if st.session_state.user_progress.get('achievements', []):
+                    st.subheader("🏆 Achievements")
+                    for achievement in st.session_state.user_progress['achievements']:
+                        st.success(f"{achievement['name']} - {achievement['date']}")