import json
from telegram import Update
from telegram.ext import CallbackContext
def append_user_info_to_json(update: Update, context: CallbackContext, file_path='users.json'):
user_info = {
'chat_id': update.effective_chat.id,
'first_name': update.effective_chat.first_name,
'last_name': update.effective_chat.last_name,
'username': update.effective_chat.username
}
try:
# Load existing data
with open(file_path, 'r') as file:
data = json.load(file)
except FileNotFoundError:
# If the file doesn't exist, start a new list
data = []
# Append new data
data.append(user_info)
# Write updated data back to file
with open(file_path, 'w') as file:
json.dump(data, file, indent=4)
def start(update: Update, context: CallbackContext) -> None:
# Append user info to JSON
append_user_info_to_json(update, context)