Update src/streamlit_app.py

src/streamlit_app.py

@@ -821,12 +821,18 @@ def get_random_unvoted_comment(user_id, topic_id):
             # Check if cluster label has changed AND the set of users in the new cluster is different
             # This indicates the user has moved to a different group of commenters
             if current_label is not None and previous_label is not None and current_label != previous_label:
-                if current_users_set != previous_users_set:
+                # Calculate overlap (Jaccard Index)
+                intersection_size = len(current_users_set.intersection(previous_users_set))
+                union_size = len(current_users_set.union(previous_users_set))
+
+                # Check if overlap (Jaccard) is over 70%
+                # Handle case where union_size is 0 (both sets empty)
+                if union_size > 0 and (intersection_size / union_size) > 0.7:
                     # Set a flag in session state to display the message later in the main rendering logic
-                    print("st.session_state._show_new_area_message = True")
-                    print("st.session_state._show_new_area_message = True")
                     st.session_state._show_new_area_message = True
-                    new_area_comments = get_top_k_consensus_comments_for_users(current_users_set, topic_id, k=5)
+                    # Fetch comments from the NEW area (current_users_set)
+                    # Note: get_top_k_consensus_comments_for_users expects a list, not a set
+                    new_area_comments = get_top_k_consensus_comments_for_users(list(current_users_set), topic_id, k=5)
                     st.session_state._new_area_comments = new_area_comments
                     # print(f"DEBUG: Cluster changed for user {user_id} in topic {topic_id}: {previous_label} -> {current_label}")
                     # print(f"DEBUG: Previous users count: {len(previous_users_set)}, Current users count: {len(current_users_set)}")
@@ -970,6 +976,7 @@ def create_topic_page():
         st.session_state.page = 'home'
         st.rerun()
 
+
 def view_topic_page():
     topic_id = st.session_state.get('current_topic_id')
     user_email = st.session_state.get('user_email', '')
@@ -1300,6 +1307,28 @@ def view_topic_page():
         st.session_state.page = 'home'
         st.rerun()
 
+    # st.components.v1.html("""
+    #     <script>
+    #     document.addEventListener('DOMContentLoaded', function() {
+    #         // 监听 DOM 变化
+    #         const observer = new MutationObserver(() => scrollToTarget());
+    #         observer.observe(document.body, {
+    #             childList: true,
+    #             subtree: true,
+    #             attributes: true
+    #         });
+    #     });
+
+
+    #     // 滚动到目标元素
+    #     function scrollToTarget() {
+    #         const target = document.querySelector("div.stColumn");
+    #         if (target) {
+    #             target.scrollIntoView({ behavior: "smooth", block: "center" });
+    #         }
+    #     }
+    #     </script>""")
+
 # Initialize session state for navigation and data
 if 'page' not in st.session_state:
     st.session_state.page = 'home'