schema.graphql

type Author {
    id: ID!
    name: String!
    books: [Book!]!
}

type Book implements Borrowable {
    id: ID!
    title: String!
    author: Author!
    genre: Genre
}

input BookFilterInput {
    author: StringQueryOperatorInput
    title: StringQueryOperatorInput
}

interface Borrowable {
    id: ID!
    title: String!
}

input CreateAuthorInput {
    name: String!
}

input CreateBookInput {
    author: ID!
    title: String!
}

type Mutation {
    authorCreate(input: CreateAuthorInput!): Author!
    bookCreate(input: CreateBookInput!): Book!
}

type Query {
    book(id: ID!): Book!
    books(filter: BookFilterInput!): [Book!]!
    borrowable(id: ID!): Borrowable!
    shelf(id: ID!): Shelf
    shelves: [Shelf!]!
    videoGame(id: ID!): VideoGame!
    videoGames(filter: VideoGameFilterInput!): [VideoGame!]!
}

type Shelf {
    id: ID!
    floor: Int!
    items: [Borrowable!]!
}

input StringQueryOperatorInput {
    eq: String
    ne: String
    in: [String]
    nin: [String]
    regex: String
    glob: String
}

type VideoGame implements Borrowable {
    id: ID!
    title: String!
    publisher: String!
}

input VideoGameFilterInput {
    publisher: StringQueryOperatorInput
    title: StringQueryOperatorInput
}

enum Genre {
    CRIME
    FANTASY
    THRILLER
}

directive @export(exportName: String!) on FIELD