Update app.py

app.py

@@ -55,12 +55,14 @@ appliance_name = st.sidebar.selectbox("Choose Appliance", appliance_list)
 if appliance_name == "15. Others":
     appliance_name = st.sidebar.text_input("Enter Appliance Name", "")
 
-# Battery efficiency
-battery_types = {"Lithium-Ion": 0.95, "Lead-Acid": 0.8}
-battery_choice = st.selectbox(translate_text("Select Battery Type", lang_code), options=battery_types.keys())
-battery_efficiency = battery_types[battery_choice]
+# Appliance data storage
+appliance_data = []
+
+# Add appliance button logic
+if "appliance_data" not in st.session_state:
+    st.session_state["appliance_data"] = appliance_data
 
-# Appliance input fields
+# Input fields for appliances
 if appliance_name != "15. Others":
     wattage = st.number_input(
         translate_text(f"{appliance_name} - Wattage (W):", lang_code), min_value=0, step=1, key=f"{appliance_name}_wattage"
@@ -71,22 +73,37 @@ if appliance_name != "15. Others":
     quantity = st.number_input(
         translate_text(f"{appliance_name} - Quantity:", lang_code), min_value=0, step=1, key=f"{appliance_name}_quantity"
     )
-else:
-    st.warning(translate_text("Please select an appliance to enter details.", lang_code))
-
-# Collecting data if appliance details are provided
-appliance_data = []
-if wattage > 0 and hours > 0 and quantity > 0:
-    appliance_data.append({"Appliance": appliance_name, "Wattage": wattage, "Hours": hours, "Quantity": quantity})
+    
+    # When the "Add Appliance" button is clicked
+    if st.button(translate_text("Add Appliance", lang_code)):
+        if wattage > 0 and hours > 0 and quantity > 0:
+            appliance_data = st.session_state["appliance_data"]
+            appliance_data.append({
+                "Appliance": appliance_name,
+                "Wattage": wattage,
+                "Hours": hours,
+                "Quantity": quantity
+            })
+            st.session_state["appliance_data"] = appliance_data  # Store data in session
+
+            st.success(translate_text(f"{appliance_name} added successfully!", lang_code))
+        else:
+            st.error(translate_text("Please fill in all appliance details before adding.", lang_code))
+
+# Display added appliances
+if st.session_state["appliance_data"]:
+    st.subheader(translate_text("Added Appliances", lang_code))
+    for item in st.session_state["appliance_data"]:
+        st.write(f"{item['Appliance']} - {item['Wattage']} W, {item['Hours']} hours/day, {item['Quantity']} units")
 
 # Calculate recommendations
 if st.button(translate_text("Calculate Recommendations", lang_code)):
-    if not appliance_data:
-        st.error(translate_text("Please select and fill details for at least one appliance.", lang_code))
+    if not st.session_state["appliance_data"]:
+        st.error(translate_text("Please add at least one appliance.", lang_code))
     else:
-        total_load = sum(item["Wattage"] * item["Quantity"] for item in appliance_data)  # in Watts
+        total_load = sum(item["Wattage"] * item["Quantity"] for item in st.session_state["appliance_data"])  # in Watts
         total_energy_consumption = sum(
-            item["Wattage"] * item["Hours"] * item["Quantity"] for item in appliance_data
+            item["Wattage"] * item["Hours"] * item["Quantity"] for item in st.session_state["appliance_data"]
         ) / 1000  # in kWh/day
 
         # Solar panel calculation
@@ -98,6 +115,7 @@ if st.button(translate_text("Calculate Recommendations", lang_code)):
         inverter_capacity = np.ceil(total_load * 1.2 / 1000)  # in kW
 
         # Battery requirement
+        battery_efficiency = 0.95  # Assuming Lithium-Ion battery
         battery_capacity_kWh = total_energy_consumption / battery_efficiency  # in kWh
         battery_capacity_ah = battery_capacity_kWh * 1000 / 48  # Assuming a 48V system
         batteries_required = np.ceil(battery_capacity_ah / 200)  # Assuming 200 Ah per battery
@@ -134,3 +152,4 @@ if st.button(translate_text("Calculate Recommendations", lang_code)):
 
 
 
+