B0Bot handlers

functions.py

class News:
    def __init__(self, id, text, created_at):
        self.id = id
        self.text = text
        self.created_at = created_at

    def save_to_db(self):
        news_collection = db["news_collection"]
        news_collection.insert_one({
            "id": self.id,
            "text": self.text,
            "created_at": self.created_at
        })
        
    @classmethod
    def get_latest_news(cls, keyword):
        news_collection = db["news_collection"]
        latest_news = news_collection.find_one({'text': {'$regex': f'.*{keyword}.*', '$options': 'i'}}, 
                                           sort=[('created_at', pymongo.DESCENDING)])
        if latest_news:
            return cls(latest_news['id'], latest_news['text'], latest_news['created_at'])
        else:
            return None