fix: cell_size url param parsing

server/main.py

@@ -101,9 +101,15 @@ class IceHTTP(BaseHTTPRequestHandler):
             lake_name = query_params.get('lake', [None])[0]
             if lake_name is not None:
                 cell_size = query_params.get('cell_size', [''])[0]
-
-                if cell_size is not None:
-                    cut_map(self, cursor, lake_name, cell_size)
+                cell_size_param = unquote(cell_size)  # Decode url param
+
+                if cell_size_param:  # Check if cell_size_param is not an empty string
+                    try:
+                        # Try to convert the value to a float and the map
+                        cell_size_float = float(cell_size_param)
+                        cut_map(self, cursor, lake_name, cell_size_float)
+                    except ValueError:
+                        print("Error: cell_size_param is not a valid float")
                 else:
                     cut_map(self, cursor, lake_name)
             else:

server/map_handler/add_new_lake.py

@@ -20,12 +20,11 @@ starting coordinate (x,y)
 # 2 Formulas for calculating a distance in kilometers to a distance in latitude and longitude
 lat = distance_in_km/111.32km
 lng = (distance_in_km × 360)/(40075km × cos(lat))
-
 '''
 
 
 # Read a json file with relation data and send to response object
-def cut_map(self, cursor, lake_name: str, cell_size_in_km=0.5):
+def cut_map(self, cursor, lake_name: str, cell_size_in_km: float = 0.5):
     """
     Cuts a map into a grid based on a selected cell size
 
@@ -50,7 +49,7 @@ def cut_map(self, cursor, lake_name: str, cell_size_in_km=0.5):
         # Convert the cell size to degrees
         cell_size = cell_size_in_km * 10
         cell_width = cell_size / 111.32
-        # A slightly more complicated formula is required to calculate the height to ensure that
+        # A slightly more complicated formula is required to calculate the height. This ensures that
         # the height in km is equal to the width in km regardless of the latitude.
         cell_height = (cell_size * 360) / (40075 * cos(cell_width))
 

server/map_handler/lake_relations/all_lake_names.json

 [
   "Mjøsa",
-  "Skumsjøen"
+  "Skumsjøen",
+  "Skumsjøen"
 ]
\ No newline at end of file