messaging

type Client struct {
	ID       int `json:"id"`
	Username string
	Socket   *websocket.Conn
}

type Hub struct {
	// Register requests from clients.
	Register chan *Client

	// Unregister requests from clients.
	Unregister chan *Client

	// Handle inbound messages.
	ReadMessage chan *Message

	// Handle outbound messages.
	WriteMessage chan *Message
}

type Message struct {
	SenderID int    `json:"senderID"`
	Username string `json:"username"`
	Action   string `json:"action"`
	Body     string `json:"body"`
}