如何简化get结果表单json

{
  "user": {
    "id": 123,
    "name": "John Doe",
    "contact": {
      "email": "john.doe@example.com",
      "phone": "123-456-7890"
    },
    "address": {
      "street": "123 Main St",
      "city": "Anytown",
      "zip": "12345"
    }
  }
}

{
  "userId": 123,
  "userName": "John Doe",
  "userEmail": "john.doe@example.com"
}

from flask import Flask, jsonify

app = Flask(__name__)

@app.route('/user/<int:user_id>', methods=['GET'])
def get_user(user_id):
    # 假设这是从数据库获取的用户信息
    user_info = {
        "id": user_id,
        "name": "John Doe",
        "contact": {
            "email": "john.doe@example.com",
            "phone": "123-456-7890"
        },
        "address": {
            "street": "123 Main St",
            "city": "Anytown",
            "zip": "12345"
        }
    }
    
    # 简化后的数据
    simplified_user = {
        "userId": user_info["id"],
        "userName": user_info["name"],
        "userEmail": user_info["contact"]["email"]
    }
    
    return jsonify(simplified_user)

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