gb21oc / nestjs-grpc-chat

Created a simple chat between clients using the framework Nest.js with protocol gRPC

classDiagram
    ChatService <|-- ChatServiceDomain: Inheritance
    ChatController <.. ChatService: Dependency
    ChatController <|-- ChatControllerDomain: Inheritance

    class ChatController{
        +ChatService _chatService
        constructor(_chatService: ChatService)
        +createUser(data: IChat.CreateUser, _metadata: Metadata, call: ServerUnaryCall<IChat.CreateUser, IChat.ResponseCreateUser>, ):IChat.ResponseCreateUser
        +getAllUsers():IChat.ResponseGetAll
        +sendMessageToUser(data: Observable<IChat.SendToUser>)
    }
    class ChatService{
        +IChat.User[] users
        +IChat.AttempsMsg[] attempsMsg
        +createUser(payload: IChat.CreateUser, call: ServerUnaryCall<IChat.CreateUser, IChat.ResponseCreateUser>, )
        +getAllUsers():IChat.ResponseGetAll
        +joinChat(payload: Observable<IChat.SendToUser>):Observable<IChat.ReceiveMsg>
    }

Configuration

• Port: 50051
• Proto files:
  • /proto/chat.proto
• Transport: gRPC
• PRD:
• DEV:

Micro Service information

• Endpoints
  • CreateUser
    • Interface: IChat.CreateUser
    • Stream: No
    • Body:

    {
      "user": "gb"
    }

    • Response:

    {
      "error": "",
      "userCreated": true
    }

  • GetAllUsers
    • Interface: N/A
    • Stream: No
    • Body: No
    • Response:

    {
      "users": [
          {
              "id": 1,
              "user": "gb"
          },
          {
              "id": 2,
              "user": "gbOutroUsuario"
          }
      ]
    }

  • SendMessageToUser
    • Interface: IChat.SendToUser
    • Stream: yes
      • Bidirecional: yes
    • Body:

    {
      "from": "gb",
      "toID": 2,
      "msg": "Olá amigo!"
    }