生活缴费平台促销活动

from flask import Flask, request, jsonify
import uuid

app = Flask(__name__)

# 模拟优惠券数据库
coupons = {
    'DISCOUNT10': {'code': 'DISCOUNT10', 'discount': 10, 'quantity': 100},
    'DISCOUNT20': {'code': 'DISCOUNT20', 'discount': 20, 'quantity': 50}
}

@app.route('/redeem_coupon', methods=['POST'])
def redeem_coupon():
    user_id = request.json.get('user_id')
    coupon_code = request.json.get('coupon_code')

    if coupon_code not in coupons:
        return jsonify({'message': 'Invalid coupon code'}), 400

    coupon = coupons[coupon_code]
    if coupon['quantity'] <= 0:
        return jsonify({'message': 'Coupon out of stock'}), 400

    # 记录用户领取的优惠券
    user_coupon_id = str(uuid.uuid4())
    # 这里可以保存到数据库
    print(f"User {user_id} redeemed {coupon_code}. Coupon ID: {user_coupon_id}")

    coupon['quantity'] -= 1
    return jsonify({'message': 'Coupon redeemed successfully', 'coupon_id': user_coupon_id}), 200

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