Update app.py

app.py

@@ -4,10 +4,8 @@ import requests
 # Replace this with your actual News API key
 API_KEY = "fe1e6bcbbf384b3e9220a7a1138805e0"  # 🔑 Add your NewsAPI.org API key here
 
-# Store articles submitted by publishers
 publisher_articles = []
 
-# Function to fetch news from News API
 def fetch_news(topic, keyword):
     query = f"{topic} {keyword}" if keyword else topic
     url = f"https://newsapi.org/v2/everything?q={query}&apiKey={API_KEY}"
@@ -15,15 +13,13 @@ def fetch_news(topic, keyword):
     if response.status_code == 200:
         return response.json().get("articles", [])
     else:
-        st.error("Failed to fetch news. Please check your API key or internet connection.")
+        st.error("Failed to fetch news. Check your API key or internet connection.")
         return []
 
-# Streamlit app
 def main():
-    st.title("📰 News Aggregator")
+    st.title("📰 Topic-Based News Aggregator")
     st.write("Publish and subscribe to topics to get the latest updates!")
 
-    # Sidebar: Navigation
     menu = ["Home", "Publisher Panel", "Subscriber Panel"]
     choice = st.sidebar.selectbox("Choose a panel:", menu)
 
@@ -34,14 +30,12 @@ def main():
     elif choice == "Publisher Panel":
         st.header("📝 Publisher Panel")
         st.write("Publish articles to relevant topics.")
-
-        # Publisher inputs
+        
         title = st.text_input("Article Title:")
         description = st.text_area("Article Description:")
         link = st.text_input("Article Link:")
         topic = st.selectbox("Select Topic:", ["Sports", "Politics", "Technology", "Entertainment", "Health", "Science"])
 
-        # Submit article
         if st.button("Publish Article"):
             if title and description and link and topic:
                 publisher_articles.append({"title": title, "description": description, "link": link, "topic": topic})
@@ -52,28 +46,27 @@ def main():
     elif choice == "Subscriber Panel":
         st.header("🔔 Subscriber Panel")
         st.write("Subscribe to topics and view news articles.")
-
-        # Subscriber inputs
+        
         topics = ["Sports", "Politics", "Technology", "Entertainment", "Health", "Science"]
         selected_topics = st.multiselect("Select topics to subscribe to:", topics)
         keyword_filter = st.text_input("🔍 Enter a keyword to filter news:")
 
-        # Fetch news articles
         if st.button("Fetch News"):
             if not selected_topics:
-                st.warning("Please select at least one topic.")
+                st.warning("Please select at least one topic to subscribe to.")
             else:
+                # Notify user about subscription
+                st.success(f"🔔 You have subscribed to: {', '.join(selected_topics)}")
                 st.info("Fetching news articles...")
 
-                # Combine publisher and fetched news
                 all_articles = []
-                
-                # Articles from publishers
+
+                # Fetch publisher articles for selected topics
                 for article in publisher_articles:
                     if article["topic"] in selected_topics:
                         all_articles.append(article)
                 
-                # Articles from News API
+                # Fetch external news articles from API
                 for topic in selected_topics:
                     fetched_articles = fetch_news(topic, keyword_filter)
                     for article in fetched_articles:
@@ -84,11 +77,10 @@ def main():
                             "topic": topic
                         })
 
-                # Apply keyword filtering if provided
+                # Filter articles by keyword if provided
                 if keyword_filter:
                     all_articles = [a for a in all_articles if keyword_filter.lower() in a["title"].lower()]
 
-                # Display articles
                 if all_articles:
                     st.success(f"Found {len(all_articles)} articles!")
                     for article in all_articles: