Update app.py

app.py

@@ -1,62 +1,45 @@
 import streamlit as st
 import requests
 
-# Predefined currency mappings for PKR conversions
-PREDEFINED_RATES = {
-    "AED": "United Arab Emirates Dirham",
-    "SAR": "Saudi Riyal",
-    "KWD": "Kuwaiti Dinar",
-    "TRY": "Turkish Lira"
-}
-
-def get_exchange_rate(base_currency, target_currency):
-    """
-    Fetch the exchange rate from an API.
-    """
+# Function to fetch the exchange rate for multiple currencies to PKR
+def get_exchange_rates_to_pkr():
     try:
-        url = f"https://api.exchangerate-api.com/v4/latest/{base_currency}"
+        url = "https://api.exchangerate-api.com/v4/latest/PKR"
         response = requests.get(url)
         response.raise_for_status()
         data = response.json()
-        return data["rates"].get(target_currency, None)
+        return data["rates"]
     except Exception as e:
-        st.error(f"Error fetching exchange rate: {e}")
-        return None
+        st.error(f"Error fetching exchange rates: {e}")
+        return {}
 
 def main():
-    st.title("Currency Converter App")
-    st.write("Convert PKR to predefined currencies or any currency pair globally.")
+    st.title("Currency to PKR Converter")
+    st.write("Convert amounts in multiple currencies to Pakistani Rupees (PKR).")
     
     # Input Section
-    amount = st.number_input("Enter the amount to convert:", min_value=0.0, format="%.2f")
-    base_currency = st.text_input("Base Currency (e.g., PKR, USD):").upper()
-    
-    predefined_target = st.radio(
-        "Choose a predefined target currency (for PKR):",
-        list(PREDEFINED_RATES.keys()) + ["Custom"],
-        horizontal=True
-    )
+    available_currencies = ["USD", "EUR", "GBP", "AED", "SAR", "KWD", "TRY"]
+    selected_currencies = st.multiselect("Select the currencies:", available_currencies)
+    amounts = {}
     
-    if predefined_target == "Custom":
-        target_currency = st.text_input("Target Currency (e.g., USD, EUR):").upper()
-    else:
-        target_currency = predefined_target
+    for currency in selected_currencies:
+        amounts[currency] = st.number_input(f"Enter the amount in {currency}:", min_value=0.0, format="%.2f")
 
     # Convert Button
-    if st.button("Convert"):
-        if not base_currency or not target_currency:
-            st.warning("Please enter both the base and target currencies.")
+    if st.button("Convert to PKR"):
+        rates = get_exchange_rates_to_pkr()
+        if rates:
+            total_pkr = 0
+            for currency, amount in amounts.items():
+                if currency in rates:
+                    converted = amount / rates[currency]
+                    total_pkr += converted
+                    st.success(f"{amount:.2f} {currency} = {converted:.2f} PKR")
+                else:
+                    st.warning(f"Exchange rate for {currency} is not available.")
+            st.write(f"### Total in PKR: {total_pkr:.2f}")
         else:
-            rate = get_exchange_rate(base_currency, target_currency)
-            if rate:
-                converted_amount = amount * rate
-                st.success(
-                    f"{amount} {base_currency} is equal to {converted_amount:.2f} {target_currency}."
-                )
-                if target_currency in PREDEFINED_RATES:
-                    st.write(f"Target currency: {PREDEFINED_RATES[target_currency]}")
-            else:
-                st.error(f"Exchange rate not found for {base_currency} to {target_currency}.")
+            st.error("Failed to fetch exchange rates. Please try again later.")
 
 if __name__ == "__main__":
     main()