MDM

Real time chat applications. Features already implemented.

App Structure

• apps applications can be found here
  • chats system backend build with nest-js , postgres and typeorm
  • client front end build with react, typescript and redux
• libs libraries shared between apps
  • event-emitter client side node-js like event emitter used in react app as global event emitter
  • mdm-core core interfaces and constants shared between client and server
  • mdm-js-client http client which wraps fetch api to query backend
  • replyable stores callbacks so they can be called multiple times in case they fail. Uses abort controller to manually abort task.
  • ws-rpc-adapter wrapper around DOM WebSocket to support synchronous communication mimicking rpc protocol.

Real time communication

• Messages are transmitted via websocket
• node-poppler is used to create thumbnails for images and pdf files

Channel Media Management

• Upload different types of media like images, pdf , files, audio etc.
• Cancel upload operation and restart it back any time
• Manage channel media

• Audio Recording

Channel Management

• Manage channel members
• Assign admin roles
• remove channel members

Create New Channels

• private channels
• group channels

Ws Auto Connect

• Auto Connect via websocket when connection is lost