Update app.py

app.py

@@ -205,3 +205,60 @@ if st.button("Check fo Maintenance"):
     # Show the etails of data frame prepared from user input
     st.subheader("📦 Input Data Summary")
     st.dataframe (input_df)
+
+
+# ==============================
+# Batch Prediction
+# ==============================
+st.subheader ("Batch Prediction for Engine Maintenance")
+
+file = st.file_uploader ("Upload CSV file", type=["csv"])
+
+if file is not None and st.button("Predict Batch"):
+
+    inputfile = {"file": (file.name, file.getvalue(), "text/csv")}
+    response = requests.post(
+        "https://harishsohani-AIMLProjectTestBackEnd.hf.space/v1/EngPredMaintenanceForBatch",
+        files=inputfile
+    )
+
+    if response.status_code == 200:
+        
+        result = response.json ()
+
+        resp_status = result.get ("status")
+        
+        if resp_status == "success":
+                        
+            ## Get Sales Prediction Value
+            predictionS_from_backend = result.get ("predictions")  # Extract only the value
+
+            # convert dict to dataframe for better display
+            result_df = pd.DataFrame(list(predictionS_from_backend.items()))
+            st.dataframe (result_df)
+            
+            # generate output string
+            if prediction_from_backend == 1:
+                resultstr = "Engine **likely** needs maintenance."
+            else:
+                resultstr = "Engine does not need any maintenance"
+    
+            st.success(resultstr)
+            
+        else:
+
+            error_str = result.get ("message")
+
+            st.error(error_str)
+        
+
+    elif response.status_code == 400 or response.status_code == 500:  # known errors
+        
+        ## get result as json
+        result = response.json ()
+
+        error_str = result.get ("message")
+        st.error (f"Error processing request- Status Code : {response.status_code}, error : {error_str}")
+        
+    else:
+        st.error (f"Error processing request- Status Code : {response.status_code}")