neko/server/internal/websocket/session.go

package websocket

import (
	"n.eko.moe/neko/internal/types"
	"n.eko.moe/neko/internal/types/event"
	"n.eko.moe/neko/internal/types/message"
)

func (h *MessageHandler) SessionCreated(id string, session types.Session) error {
	if err := session.Send(message.Identity{
		Event: event.IDENTITY_PROVIDE,
		ID:    id,
	}); err != nil {
		return err
	}

	// send screen current resolution
	if err := h.screenResolution(id, session); err != nil {
		return err
	}

	if session.Admin() {
		// send screen configurations
		if err := h.screenConfigurations(id, session); err != nil {
			return err
		}
	}

	return nil
}

func (h *MessageHandler) SessionConnected(id string, session types.Session) error {
	// send list of members to session
	if err := session.Send(message.MembersList{
		Event:    event.MEMBER_LIST,
		Memebers: h.sessions.Members(),
	}); err != nil {
		h.logger.Warn().Str("id", id).Err(err).Msgf("sending event %s has failed", event.MEMBER_LIST)
		return err
	}

	// tell session there is a host
	host, ok := h.sessions.GetHost()
	if ok {
		if err := session.Send(message.Control{
			Event: event.CONTROL_LOCKED,
			ID:    host.ID(),
		}); err != nil {
			h.logger.Warn().Str("id", id).Err(err).Msgf("sending event %s has failed", event.CONTROL_LOCKED)
			return err
		}
	}

	// let everyone know there is a new session
	if err := h.sessions.Brodcast(
		message.Member{
			Event:  event.MEMBER_CONNECTED,
			Member: session.Member(),
		}, nil); err != nil {
		h.logger.Warn().Err(err).Msgf("brodcasting event %s has failed", event.CONTROL_RELEASE)
		return err
	}

	return nil
}

func (h *MessageHandler) SessionDestroyed(id string) error {
	// clear host if exists
	if h.sessions.IsHost(id) {
		h.sessions.ClearHost()
		if err := h.sessions.Brodcast(message.Control{
			Event: event.CONTROL_RELEASE,
			ID:    id,
		}, nil); err != nil {
			h.logger.Warn().Err(err).Msgf("brodcasting event %s has failed", event.CONTROL_RELEASE)
		}
	}

	// let everyone know session disconnected
	if err := h.sessions.Brodcast(
		message.MemberDisconnected{
			Event: event.MEMBER_DISCONNECTED,
			ID:    id,
		}, nil); err != nil {
		h.logger.Warn().Err(err).Msgf("brodcasting event %s has failed", event.MEMBER_DISCONNECTED)
		return err
	}

	return nil
}