与 json-server 的关系

Question

I'm building a fake API with json-server and I came across a problem when passing a query. I can show the parameters of a relationship when I use _expand , but when it is a relationship within a child it does not work.

For example, I have this json that I access by passing http://localhost:3000/schedules :

{
   id: 1,
   date: "2020-04-25T14:20:00-03:00",
   status: "Novo serviço",
   usersId: 5,
   providersId: 1,
   servicesId: 1,
},

Now to show the relationship with the user I pass the following query:

http://localhost:3000/schedules?_expand=users

It returns as follows:

{
   id: 1,
   date: "2020-04-25T14:20:00-03:00",
   status: "Novo serviço",
   usersId: 5,
   providersId: 1,
   servicesId: 1,
   users: {
      id: 5,
      name: "Carla Pedroso",
      photo: "https://cdn.pixabay.com/photo/2016/01/19/17/48/woman-1149911_960_720.jpg",
      rating: 5,
      addressesId: 1,
   },
},

Well, my question is how I can show the JSON of the addressesId , because I already tried using _expand but without success.

Answer 1

change the schedule property "usersId" to "userId",

should work with

http://localhost:3000/schedules?_expand=user

and the response should be something like that:

{
  id: 1,
  date: "2020-04-25T14:20:00-03:00",
  status: "Novo serviço",
  providersId: 1,
  servicesId: 1,
  userId: 5,
  user: {
    id: 5,
    name: "Carla Pedroso",
    photo: "https://cdn.pixabay.com/photo/2016/01/19/17/48/woman-1149911_960_720.jpg",
    rating: 5,
    addressesId: 1
  }
}

Answer 2

With json-server you can add the parent and children of an element to the result, but it will only bring one level, so it will not bring grandparents or grandchildren's.

In your case instead of looking at the schedules you can look at the users and ask to expand the addresses and embed the schedules

http://localhost:3000/users?_expand=addresses&_embed=schedules