Update data_fetcher.py

data_fetcher.py

@@ -2,37 +2,31 @@ import requests
 import pandas as pd
 import os
 
-# ✅ Read API key securely from environment variables
-NREL_API_KEY = os.getenv("NREL_API_KEY")
+import requests
+import os
 
-if not NREL_API_KEY:
-    raise ValueError("❌ ERROR: NREL API Key is missing! Set it as an environment variable.")
+# Set your NREL API key here or use environment variables
+NREL_API_KEY = "L0l8YMg3shJjkOS9kBAUCsbDglzJ0uYd8wMCNBdT"  # Replace with your actual API key
 
 def fetch_nrel_data():
-    """Fetch real-time hydrogen station data from NREL API."""
-    url = f"https://developer.nrel.gov/api/hydrogen/v1/stations.json?api_key={NREL_API_KEY}"
+    """
+    Fetch hydrogen station data from the NREL API.
+    """
+    url = f"https://developer.nrel.gov/api/alt-fuel-stations/v1.json?limit=10&api_key={NREL_API_KEY}"
 
     try:
-        response = requests.get(url, timeout=10)  # Timeout added for reliability
-        response.raise_for_status()  # Raise error for bad responses (4xx, 5xx)
-        return response.json()
-    
-    except requests.exceptions.RequestException as e:
-        print(f"⚠️ ERROR: Failed to fetch data from NREL API: {e}")
-        return None  # Return None if the API call fails
+        response = requests.get(url)
+        response.raise_for_status()  # Raise an error for HTTP codes 4xx or 5xx
 
-def get_hydrogen_data():
-    """Process hydrogen station data into a DataFrame."""
-    data = fetch_nrel_data()
-    
-    if data is None or "fuel_stations" not in data:
-        return None  # Return None if API data is unavailable
-    
-    stations = data["fuel_stations"]
-    
-    df = pd.DataFrame(stations)
-    
-    if df.empty:
-        return None  # Return None if no data is available
-    
-    return df[["station_name", "state", "status", "capacity_kg_day", "street_address", "latitude", "longitude"]]
+        data = response.json()
+        
+        # Check if data contains the expected key
+        if "fuel_stations" in data and len(data["fuel_stations"]) > 0:
+            return data["fuel_stations"]
+        else:
+            print("⚠️ No hydrogen data available from NREL API.")
+            return None
+
+    except requests.exceptions.RequestException as e:
+        print(f"❌ API Request Failed: {e}")
+        return None