chat_messenge_app/packages/graphql-schema/schema.graphql

"""Single source of truth for Web (Apollo) and Android (Apollo Kotlin)."""
scalar DateTime

enum MessageKind {
  TEXT
  MEDIA
  SYSTEM
}

enum ChatType {
  DIRECT
  GROUP
  CHANNEL
}

enum MemberRole {
  OWNER
  ADMIN
  MEMBER
  SUBSCRIBER
}

enum ChatEventType {
  MESSAGE_CREATED
  MESSAGE_UPDATED
  MESSAGE_DELETED
  TYPING
  PRESENCE
  READ_RECEIPT
  DELIVERED
}

enum AccountEventType {
  DEVICE_ADDED
  DEVICE_REVOKED
  SESSION_REFRESHED
}

type User {
  id: ID!
  displayName: String!
  email: String
  createdAt: DateTime!
}

type Device {
  id: ID!
  userId: ID!
  name: String
  lastSeenAt: DateTime
  createdAt: DateTime!
}

type AuthPayload {
  accessToken: String!
  refreshToken: String!
  user: User!
}

type MediaRef {
  id: ID!
  mimeType: String!
  url: String!
  thumbnailUrl: String
}

type Message {
  id: ID!
  chatId: ID!
  senderId: ID
  sender: User
  kind: MessageKind!
  body: String
  mediaRefs: [MediaRef!]!
  replyToId: ID
  seq: Int!
  createdAt: DateTime!
  editedAt: DateTime
  deletedAt: DateTime
}

type MessageEdge {
  cursor: String!
  node: Message!
}

type MessageConnection {
  edges: [MessageEdge!]!
  pageInfo: PageInfo!
}

type PageInfo {
  endCursor: String
  hasNextPage: Boolean!
}

interface ChatBase {
  id: ID!
  type: ChatType!
  title: String
  lastMessage: Message
  unreadCount: Int!
  updatedAt: DateTime!
}

type DirectThread implements ChatBase {
  id: ID!
  type: ChatType!
  title: String
  peer: User!
  lastMessage: Message
  unreadCount: Int!
  updatedAt: DateTime!
}

type Group implements ChatBase {
  id: ID!
  type: ChatType!
  title: String
  lastMessage: Message
  unreadCount: Int!
  updatedAt: DateTime!
  memberCount: Int!
  isBroadcast: Boolean!
}

type Channel implements ChatBase {
  id: ID!
  type: ChatType!
  title: String
  lastMessage: Message
  unreadCount: Int!
  updatedAt: DateTime!
  subscriberCount: Int!
  pinnedMessages: [Message!]!
}

union Chat = DirectThread | Group | Channel

type PresignedUpload {
  uploadUrl: String!
  mediaId: ID!
  headers: [HttpHeader!]
}

type HttpHeader {
  name: String!
  value: String!
}

input HttpHeaderInput {
  name: String!
  value: String!
}

type CallSession {
  id: ID!
  chatId: ID!
  createdBy: ID!
  status: CallStatus!
  iceServers: [IceServer!]!
  createdAt: DateTime!
}

enum CallStatus {
  RINGING
  ACTIVE
  ENDED
}

type IceServer {
  urls: [String!]!
  username: String
  credential: String
}

type Bot {
  id: ID!
  displayName: String!
  tokenHint: String!
  webhookUrl: String
  createdAt: DateTime!
}

type Query {
  me: User
  myDevices: [Device!]!
  chats: [Chat!]!
  messages(chatId: ID!, after: String, first: Int = 30): MessageConnection!
  bot(id: ID!): Bot
  myBots: [Bot!]!
}

type Mutation {
  register(email: String!, password: String!, displayName: String!): AuthPayload!
  login(email: String!, password: String!): AuthPayload!
  refresh(refreshToken: String!): AuthPayload!
  registerDevice(name: String): Device!
  revokeDevice(deviceId: ID!): Boolean!
  createDirectThread(peerUserId: ID!): DirectThread!
  createGroup(title: String!, memberIds: [ID!], isBroadcast: Boolean = false): Group!
  createChannel(title: String!, isPublic: Boolean = false): Channel!
  joinChannel(channelId: ID!): Boolean!
  inviteToGroup(groupId: ID!, userIds: [ID!]!): Boolean!
  setMemberRole(chatId: ID!, userId: ID!, role: MemberRole!): Boolean!
  pinMessage(chatId: ID!, messageId: ID!): Boolean!
  unpinMessage(chatId: ID!, messageId: ID!): Boolean!
  sendMessage(chatId: ID!, body: String, replyToId: ID): Message!
  editMessage(messageId: ID!, body: String!): Message!
  deleteMessage(messageId: ID!, forEveryone: Boolean = false): Boolean!
  markDelivered(chatId: ID!, upToSeq: Int!): Boolean!
  markRead(chatId: ID!, upToSeq: Int!): Boolean!
  setTyping(chatId: ID!, isTyping: Boolean!): Boolean!
  requestMediaUpload(mimeType: String!, bytesHint: Int): PresignedUpload!
  finalizeMediaUpload(mediaId: ID!, mimeType: String!, sizeBytes: Int!): MediaRef!
  sendMediaMessage(chatId: ID!, mediaId: ID!, caption: String, replyToId: ID): Message!
  startCall(chatId: ID!): CallSession!
  endCall(callId: ID!): Boolean!
  createBot(displayName: String!, webhookUrl: String): BotTokenPayload!
  rotateBotToken(botId: ID!): BotTokenPayload!
  setBotWebhook(botId: ID!, webhookUrl: String): Boolean!
  addBotToChat(chatId: ID!, botId: ID!): Boolean!
}

type BotTokenPayload {
  bot: Bot!
  token: String!
}

type ChatEvent {
  type: ChatEventType!
  chatId: ID!
  message: Message
  userId: ID
  isTyping: Boolean
  online: Boolean
  upToSeq: Int
  at: DateTime!
}

type AccountEvent {
  type: AccountEventType!
  deviceId: ID
  at: DateTime!
}

type Subscription {
  onChatEvent(chatId: ID!): ChatEvent!
  onAccountEvent: AccountEvent!
}