Refactor geocoding function to improve error handling and response messages

tools.py

@@ -11,20 +11,19 @@ def get_coords_from_address(address: str) -> str:
         str: A formatted string with the coordinates "Lat: XX.XXXX, Lon: YY.YYYY"
              or an error message if the address is not found.
     """
-    print("get_coords_from_address() called with address:", address)
-    # 1. Initialize a geocoder. Nominatim is a great free option based on
-    #    OpenStreetMap. It doesn't require an API key for basic use.
-    #    geolocator = Nominatim(user_agent="geocalc_mcp_app")
+    try:
+        geolocator = Nominatim(user_agent="geocalc_mcp_app_hackathon")
 
-    # 2. Use the geocoder to find the location from the 'address' string.
-    #    location = geolocator.geocode(address)
+        location = geolocator.geocode(address)
 
-    # 3. Check if a location was found.
-    #    - If 'location' is not None, extract 'location.latitude' and 'location.longitude'.
-    #    - Format the result into a string like "Lat: 48.8584, Lon: 2.2945".
-    #    - If 'location' is None, return a clear message like "Address not found."
+        if location:
+            # If a location is found, format the latitude and longitude into a string.
+            lat = round(location.latitude, 4)
+            lon = round(location.longitude, 4)
+            return f"Lat: {lat}, Lon: {lon}"
+        else:
+            return "Address not found. Please try being more specific. E.g., '1600 Amphitheatre Parkway, Mountain View, CA'"
 
-    # For now, you can use a temporary return value to test the interface.
-    # For example:
-    # return f"Processing address: {address}"
-    return "Lat: 48.8584, Lon: 2.2945"
+    except Exception as e:
+        print(f"An error occurred: {e}")
+        return "An error occurred while trying to contact the geocoding service."