Basic Gateway

[bitfl0wer]

Tracking issue for Gateway support.

Description

A basic, performant gateway server implementation which provides a WebSocket connection to clients.

Related to #8.

This gateway implementation should be able to send arbitrary messages to clients, so that the required behavior for being Spacebar-compatible can be implemented.

Tasks

• Implementing a heartbeat handler
• Initiating a connection (handshake)
• Removing Resume for now: Gateway Resume #47
• Building and sending a Ready event
  • chorus: update GatewayReady
  • Get User guilds from db
    • Add foreign key "in_guilds" to user table in Database #53
  • Get User settings from db
  • Get Relationships of user from db
  • Get private_channels from db
  • Get notes from db
• Events via WebSocket #48
  • Modify event subscription state from HTTP API side
  • Load subscriptions on initial server startup
  • On new user connect, add subscriptions to global store
• Implementing the main gateway handle
• Cleanup and refactors