chat-room-backend-nest-postgresql

Structure of this project

Backend

NestJS

Database

Postgresql

1. Get start

Install

npm install

Run

npm run start

or

npm run start:dev

2. API reference

• Base URL

localhost:3002

• Get:

/chat

Get the home message

• Get:

/api/chat

Get previous message from database

• Post:

/api/createRoom

Create new chat room Example of request body:

{
    "email": "aaa@mail.com"
}

• Get: /room

/room

Get all the created rooms

• Get: /room:

/room:<uuid>

Get specific room

• Post: /api/addUser

/api/addUser

Add new user to a specific room using room id Body of the request has to contains room id Like this:

{
    "email": "aaa@mail.com",
    "room": "3cda2d54-553e-4861-b42d-d5640b02b136"
}

• Get:

/api/getUsers:<uuid>

Get all users from specific room using room id

3. Database

There are 3 tables

room

• id
• email

user

• id
• email
• roomId

chat

• id
• chat
• roomId
• userId

4. Socket.io

• When a client send a message it has to contain user email, roomid and userid in its body
• Example

{
    "chat": "Hello! How are you?",
    "room": "3cda2d54-553e-4861-b42d-d5640b02b136"
    "user": "f80ba23a-ecee-48c2-ac58-9eb7a0e83ef4"
}