General
Create an express server
How to do API validations
Create basic skeleton for the entire application
Setting up MongoDB (installation, setup in express)
Creating users API + Database (Create a user, Get a user by id, Get all users, Delete a user by id)
JWT (JSON web tokens) authentication (decode/encode) - Login middleware
Web socket class that handles events when a user disconnects, adds its identity, joins a chat room, wants to mute a chat room
Discussing chat room & chat message database model
For the API
Initiate a chat between users
Create a message in chat room
See conversation for a chat room by its id
Mark an entire conversation as read (similar to Whatsapp)
Get recent conversation from all chats (similar to Facebook messenger)