Validation update

app.py

@@ -24,7 +24,7 @@ geolocator = Nominatim(user_agent="geoapi")
 # Define Pydantic models for GeoJSON validation
 class Geometry(BaseModel):
     type: str
-    coordinates: Union[List[List[float]], List[List[List[float]]]]
+    coordinates: Union[List[float], List[List[float]]]
 
 class Feature(BaseModel):
     type: str = "Feature"
@@ -136,9 +136,10 @@ def generate_geojson(response):
         if coord:
             coordinates.append(coord)
 
-    if feature_type == "Polygon":
+    if feature_type == "Polygon" and len(coordinates) > 2:
         coordinates.append(coordinates[0])  # Close the polygon
 
+    # Create the GeoJSON object
     geojson_data = {
         "type": "FeatureCollection",
         "features": [
@@ -147,20 +148,19 @@ def generate_geojson(response):
                 "properties": properties,
                 "geometry": {
                     "type": feature_type,
-                    "coordinates": [coordinates] if feature_type == "Polygon" else coordinates
+                    "coordinates": coordinates if feature_type != "Polygon" else [coordinates],
                 }
             }
         ]
     }
 
-    # Validate the generated GeoJSON using Pydantic
+    # Validate the GeoJSON
     try:
         validated_geojson = FeatureCollection(**geojson_data)
-        logger.info("GeoJSON validation successful.")
         return validated_geojson.dict()
     except ValidationError as e:
-        logger.error(f"GeoJSON validation failed: {e}")
-        raise
+        logger.error(f"Invalid GeoJSON data: {e}")
+        raise ValueError("Generated GeoJSON is invalid.")
 
 # Generate static map image
 @spaces.GPU