modified app.py files

.gitignore

@@ -0,0 +1 @@
+.venv

app.py

@@ -3,30 +3,29 @@ import data
 import models
 
 def main():
-    st.title("CSV Sentiment Analysis")
+    st.title("Sentiment Analysis")
 
     uploaded_file = st.file_uploader("Upload CSV or Excel file", type=["csv", "xlsx"])
+
     classifier = models.load_model()
-    df = data.read_data(uploaded_file)
-    
+
     if uploaded_file:
+        df = data.read_data(uploaded_file)
+        if df is not None:
+            st.write("✅ File Uploaded Successfully!")
+
         column = list(df.columns)
         column_with_empty = [""] + column 
         text_to_analyze = st.selectbox("Select text column", column_with_empty)
 
-
-
         if text_to_analyze in df.columns:
             text_column = text_to_analyze 
 
-            if text_column:
-            
-                df = models.analyze_sentiments(df, text_column, classifier)
-
-                data.visualize_data(df, st)
-            
-                st.subheader("Processed Data Preview")
-                st.dataframe(df.head())
+            df = models.analyze_sentiments(df, text_column, classifier)
+            data.visualize_data(df, st)
+            st.subheader("Processed Data Preview")
+            st.dataframe(df.head())
+            st.download_button("Download Results", df.to_csv(index=False).encode('utf-8'), "sentiment_results.csv", "text/csv")
 
 if __name__ == "__main__":
-    main()
+    main()