小微服务机器人平台新年特惠

# 示例：优惠活动报名接口
from flask import Flask, request, jsonify

app = Flask(__name__)

@app.route('/register_promotion', methods=['POST'])
def register_promotion():
    data = request.get_json()
    user_id = data.get('user_id')
    promotion_id = data.get('promotion_id')
    
    # 验证用户和优惠活动信息
    if not user_id or not promotion_id:
        return jsonify({'status': 'error', 'message': 'Invalid request data'}), 400
    
    # 检查优惠活动是否有效及用户是否已报名
    if not is_promotion_valid(promotion_id) or is_user_registered(user_id, promotion_id):
        return jsonify({'status': 'error', 'message': 'Promotion not available or already registered'}), 400
    
    # 执行报名操作
    register_user_for_promotion(user_id, promotion_id)
    
    return jsonify({'status': 'success', 'message': 'Promotion registration successful'}), 200

def is_promotion_valid(promotion_id):
    # 查询数据库验证优惠活动有效性
    pass

def is_user_registered(user_id, promotion_id):
    # 查询数据库验证用户是否已报名该优惠活动
    pass

def register_user_for_promotion(user_id, promotion_id):
    # 将用户报名信息写入数据库
    pass

if __name__ == '__main__':
    app.run(debug=True)