语音消息 双十二优惠活动

import datetime

def apply_discount(user_id, original_price):
    current_date = datetime.datetime.now()
    if is_within_promotion_period(current_date):
        discounted_price = original_price * 0.8  # 假设优惠20%
        save_discount_record(user_id, original_price, discounted_price)
        return discounted_price
    else:
        return original_price

def is_within_promotion_period(current_date):
    start_date = datetime.datetime(2023, 12, 12)
    end_date = datetime.datetime(2023, 12, 13)
    return start_date <= current_date <= end_date

def save_discount_record(user_id, original_price, discounted_price):
    # 这里可以连接数据库保存记录
    print(f"User {user_id} saved discount record: Original {original_price}, Discounted {discounted_price}")

# 示例调用
user_id = 123
original_price = 100
final_price = apply_discount(user_id, original_price)
print(f"Final price for user {user_id}: {final_price}")