金融资源聚合平台优惠

def validate_promotion(user_id, promotion_code):
    # 检查用户是否符合优惠条件
    user_eligibility = check_user_eligibility(user_id)
    
    if not user_eligibility:
        return "用户不符合优惠条件"
    
    # 检查优惠码是否有效
    promotion_details = get_promotion_details(promotion_code)
    
    if not promotion_details or promotion_details['expired']:
        return "优惠码无效或已过期"
    
    # 应用优惠
    apply_promotion(user_id, promotion_details)
    
    return "优惠成功应用"

def check_user_eligibility(user_id):
    # 这里可以添加具体的用户资格检查逻辑
    return True

def get_promotion_details(promotion_code):
    # 这里可以添加具体的优惠码查询逻辑
    return {
        "code": promotion_code,
        "discount": 10,
        "expired": False
    }

def apply_promotion(user_id, promotion_details):
    # 这里可以添加具体的优惠应用逻辑
    print(f"为用户 {user_id} 应用了 {promotion_details['discount']}% 的折扣")

# 示例调用
result = validate_promotion("user123", "SAVE10")
print(result)