构建此模型/数据库关联的最佳方法是什么

I am creating a project, and I want to structure the databases in the best way possible. I have a model called Event, now i would like a single event (think a baseball game) to belong to a month (i.e August) and belong to a category (i.e baseball) AND belong to a user (i.e current_user) I am creating a project, and I want to structur