services/utils.py

import os
import json


def create_folder(path):
    if not os.path.exists(path):
        os.makedirs(path)


def save_json(file_path, data):
    if os.path.exists(file_path):
        json_data = load_json(file_path)
        json_data['appointments'].append(data)
    else:
        json_data = {'appointments': [data]}

    with open(file_path, 'w', encoding='utf-8') as outfile:
        json.dump(json_data, outfile, indent=4)


def load_json(file_path):
    with open(file_path, 'r', encoding='utf-8') as infile:
        return json.load(infile)