utils.py

#!/usr/bin/env python3

import requests
from geo import distance_between_two_points

def calculate_distance_between_nodes(node1, node2):
  if node1 is None or node2 is None:
    return None
  if node1["position"] is None or node2["position"] is None:
    return None
  if 'latitude_i' not in node1["position"] or 'longitude_i' not in node1["position"] or 'latitude_i' not in node2["position"] or 'longitude_i' not in node2["position"] or node1["position"]["latitude_i"] is None or node1["position"]["longitude_i"] is None or node2["position"]["latitude_i"] is None or node2["position"]["longitude_i"] is None:
    return None
  return round(distance_between_two_points(
    node1["position"]["latitude_i"] / 10000000,
    node1["position"]["longitude_i"] / 10000000,
    node2["position"]["latitude_i"] / 10000000,
    node2["position"]["longitude_i"] / 10000000
  ), 2)

def convert_node_id_from_int_to_hex(id: int):
  id_hex = f'{id:08x}'
  return id_hex

def convert_node_id_from_hex_to_int(id: str):
  if id.startswith('!'):
      id = id.replace('!', '')
  return int(id, 16)

def geocode_position(api_key: str, latitude: float, longitude: float):
  if latitude is None or longitude is None:
    return None
  print(f"Geocoding {latitude}, {longitude}")
  url = f"https://geocode.maps.co/reverse?lat={latitude}&lon={longitude}&api_key={api_key}"
  response = requests.get(url)
  if response.status_code != 200:
    return None
  print(f"Geocoded {latitude}, {longitude} to {response.json()}")
  return response.json()