types.graphql

# The following types define the data model of the example app
# based on which the GraphQL API is generated

type User @model {
  id: ID! @isUnique
  firstName: String!
  lastName: String!

  # You can declare relations between models like this
  posts: [Post!]! @relation(name: "UserPosts")
  comments: [Comment!]! @relation(name: "UserComments")
}

type Post @model {
  id: ID! @isUnique
  title: String!
  description: String!

  # Every relation also required a back-relation (to determine 1:1, 1:n or n:m)
  author: User! @relation(name: "UserPosts")
  comments: [Comment!]! @relation(name: "PostComments")

}

type Comment @model {
  id: ID! @isUnique
  text: String!
  isPublished: Boolean!
  author: User! @relation(name: "UserComments")
  post: Post! @relation(name: "PostComments")
}