graphql-composition 0.12.2

An implementation of GraphQL federated schema composition
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

extend schema
  @link(url: "https://specs.apollo.dev/federation/v2.6", import: ["@key", "@shareable"])
  @link(url: "https://grafbase.com/extensions/kafka/v1.0.0", import: ["@post"])

type Query {
  appointments: [Appointment!]!
  appointment(id: ID!): Appointment
}

type Subscription {
  newAppointments(doctorId: ID!): Appointment! @kafka__tail(topic: "appointments", filter: "doctorId = $doctorId")
}

type Mutation {
  scheduleAppointment(input: AppointmentInput!): Appointment!
  cancelAppointment(id: ID!): Boolean!
    @post(
      topic: "cancellations"
      value: """
      {"id":$id}
      """
    )
}

type Appointment @key(fields: "id") {
  id: ID!
  datetime: String!
  status: AppointmentStatus!
  patient: Patient! @shareable
  doctor: Doctor! @shareable
  notes: String
}

input AppointmentInput {
  datetime: String!
  patientId: ID!
  doctorId: ID!
  notes: String
}

enum AppointmentStatus @kafka__message(topic: "appointments") {
  SCHEDULED
  COMPLETED
  CANCELLED
}

type Patient @key(fields: "id") {
  id: ID!
}

type Doctor @key(fields: "id") {
  id: ID!
  appointments: [Appointment!]!
}