Update app.py

app.py

@@ -4,9 +4,17 @@ import requests
 # Replace this with your actual News API key
 API_KEY = "fe1e6bcbbf384b3e9220a7a1138805e0"  # 🔑 Add your NewsAPI.org API key here
 
+import streamlit as st
+import requests
+
+# Replace this with your actual News API key
+API_KEY = "YOUR_NEWS_API_KEY"
+
+# Store articles submitted by publishers
+publisher_articles = []
+
 # Function to fetch news from News API
 def fetch_news(topic, keyword):
-    # Combine topic and keyword for a refined search
     query = f"{topic} {keyword}" if keyword else topic
     url = f"https://newsapi.org/v2/everything?q={query}&apiKey={API_KEY}"
     response = requests.get(url)
@@ -19,51 +27,85 @@ def fetch_news(topic, keyword):
 # Streamlit app
 def main():
     st.title("📰 Topic-Based News Aggregator")
-    st.write("Subscribe to topics and get the latest updates in real-time!")
+    st.write("Publish and subscribe to topics to get the latest updates!")
 
-    # Sidebar: Topic subscriptions
-    st.sidebar.header("🔔 Subscribe to Topics")
-    topics = ["Sports", "Politics", "Technology", "Entertainment", "Health", "Science"]
-    selected_topics = st.sidebar.multiselect("Select topics you're interested in:", topics)
+    # Sidebar: Navigation
+    menu = ["Home", "Publisher Panel", "Subscriber Panel"]
+    choice = st.sidebar.selectbox("Choose a panel:", menu)
 
-    # Sidebar: Keyword-based filtering
-    keyword_filter = st.sidebar.text_input("🔍 Enter a keyword to filter news:", "")
+    if choice == "Home":
+        st.header("Welcome to the News Aggregator!")
+        st.write("Navigate to the **Publisher Panel** to add news articles or to the **Subscriber Panel** to view articles.")
+    
+    elif choice == "Publisher Panel":
+        st.header("📝 Publisher Panel")
+        st.write("Publish articles to relevant topics.")
 
-    # Display prompt messages
-    if not selected_topics:
-        st.info("🔔 Please select at least one topic from the sidebar.")
-    elif keyword_filter:
-        st.info(f"🔍 Searching for news on '{', '.join(selected_topics)}' with keyword: '{keyword_filter}'.")
-    else:
-        st.info(f"🔍 Searching for news on '{', '.join(selected_topics)}' without any specific keyword.")
-
-    # Display news articles
-    st.header("Latest News Articles")
-    if st.button("Fetch News"):
-        if not selected_topics:
-            st.warning("⚠️ You must select at least one topic to fetch news.")
-        else:
-            st.info("⏳ Fetching news articles. Please wait...")
-            articles = []
-            for topic in selected_topics:
-                # Fetch news for each topic combined with the keyword
-                articles.extend(fetch_news(topic, keyword_filter))
-            
-            if articles:
-                st.success(f"✅ Found {len(articles)} articles!")
-                for article in articles:
-                    st.subheader(article.get("title", "No Title"))
-                    st.write(article.get("description", "No Description"))
-                    st.write(f"Source: {article.get('source', {}).get('name', 'Unknown')}")
-                    st.write(f"[Read more...]({article.get('url')})")
-                    st.write("---")
+        # 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})
+                st.success(f"Article on '{topic}' published successfully!")
             else:
-                st.info("❌ No articles found for the selected topics or keyword. Try different options.")
+                st.warning("Please fill in all fields before publishing.")
 
-    # Footer
-    st.sidebar.write("Developed with ❤️ by your group!")
+    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.")
+            else:
+                st.info("Fetching news articles...")
+
+                # Combine publisher and fetched news
+                all_articles = []
+                
+                # Articles from publishers
+                for article in publisher_articles:
+                    if article["topic"] in selected_topics:
+                        all_articles.append(article)
+                
+                # Articles from News API
+                for topic in selected_topics:
+                    fetched_articles = fetch_news(topic, keyword_filter)
+                    for article in fetched_articles:
+                        all_articles.append({
+                            "title": article.get("title", "No Title"),
+                            "description": article.get("description", "No Description"),
+                            "link": article.get("url", "#"),
+                            "topic": topic
+                        })
+
+                # Apply keyword filtering 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:
+                        st.subheader(article["title"])
+                        st.write(article["description"])
+                        st.write(f"Topic: {article['topic']}")
+                        st.write(f"[Read more]({article['link']})")
+                        st.write("---")
+                else:
+                    st.info("No articles found for the selected topics or keyword.")
 
 if __name__ == "__main__":
     main()
 
-