图像智能服务代金卷

from flask import Flask, request, jsonify

app = Flask(__name__)

# 模拟代金券数据库
coupons = {
    'NEW_USER': {'code': 'NEWUSER10', 'discount': 10, 'expiry': '2023-12-31'},
    'LOYAL_USER': {'code': 'LOYAL20', 'discount': 20, 'expiry': '2023-11-30'}
}

@app.route('/issue_coupon', methods=['POST'])
def issue_coupon():
    user_type = request.json.get('user_type')
    if user_type in coupons:
        coupon = coupons[user_type]
        return jsonify({'message': f'Your {coupon["code"]} coupon has been issued!', 'discount': coupon['discount']})
    else:
        return jsonify({'error': 'Invalid user type'}), 400

@app.route('/use_coupon', methods=['POST'])
def use_coupon():
    coupon_code = request.json.get('coupon_code')
    for coupon in coupons.values():
        if coupon['code'] == coupon_code and coupon['expiry'] >= '2023-10-01':  # 假设当前日期为2023-10-01
            return jsonify({'message': f'Coupon {coupon_code} used successfully! Discount: {coupon["discount"]}'})
    return jsonify({'error': 'Invalid or expired coupon'}), 400

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