hazard factor

app.py

@@ -5,12 +5,21 @@ import requests
 
 NASA_API_KEY = os.getenv("NASA_API_KEY") 
 
-def private_fn():
+def calc_asteroid_factor(json, weight=1.0):
     """
-    This function is private and not intended for public use.
-    It is used to demonstrate the use of a private function in the code.
+    Calculates the astoriod doom probability.
+
+    Args:
+        json (object): The data structure returned frm NASA
+        weight (float): The weight to apply to the hazard factor.
+    
+    Returns:
+        Weighted factor for Near Earth Object impact for the next seven days.    
     """
-    return "This is a private function."
+    # vibe coded, replace with real code later
+    matches = re.findall(r'"is_potentially_hazardous_asteroid"\s*:\s*(true|false)', json) 
+    hazard_list = list(filter(lambda x: x == "true", matches))
+    return (len(hazard_list)/len(matches) * weight) # Calculate the hazard factor as a ratio of hazardous to total asteroids
 
 
 def fetch_nasa():
@@ -20,6 +29,7 @@ def fetch_nasa():
     Returns:
         Near Earth Objects for the next seven days.    
     """
+
     url = "https://api.nasa.gov/neo/rest/v1/feed"
 
     rawdata = requests.get(
@@ -34,5 +44,5 @@ def fetch_nasa():
 
     return json.get("near_earth_objects", {}).get("2025-06-11", []) 
         
-demo = gr.Interface(fn=fetch_nasa, inputs=None, outputs="text")
+demo = gr.Interface(fn=calc_asteroid_factor, inputs=None, outputs="text")
 demo.launch(mcp_server=True)