from pymongo import MongoClient from pymongo.server_api import ServerApi def connect_to_mongo(db_name: str, collection_name: str): uri = "mongodb+srv://kltn20133118:XEYSVzYvEwsp5Cvo@cluster0.nnsw9.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0" try: client = MongoClient(uri, server_api=ServerApi('1')) db = client[db_name] collection = db[collection_name] return collection except Exception as e: print("Lỗi kết nối MongoDB:", e) return None