Start of the bot and it's matrix connection

bridge/matrix.go

@@ -0,0 +1,87 @@
+package bridge
+
+import (
+	"maunium.net/go/maulogger/v2"
+	"maunium.net/go/mautrix/appservice"
+	"maunium.net/go/mautrix/event"
+)
+
+type matrixHandler struct {
+	as     *appservice.AppService
+	bridge *Bridge
+	log    maulogger.Logger
+}
+
+func (b *Bridge) setupEvents() {
+	b.eventProcessor = appservice.NewEventProcessor(b.as)
+
+	b.matrixHandler = &matrixHandler{
+		as:     b.as,
+		bridge: b,
+		log:    b.log.Sub("Matrix"),
+	}
+
+	b.eventProcessor.On(event.EventMessage, b.matrixHandler.handleMessage)
+	b.eventProcessor.On(event.StateMember, b.matrixHandler.handleMembership)
+}
+
+func (mh *MatrixHandler) join(evt *event.Event, intent *appservice.IntentAPI) *mautrix.RespJoinedMembers {
+	resp, err := intent.JoinRoomByID(evt.RoomID)
+	if err != nil {
+		mh.log.Debugfln("Failed to join room %s as %s with invite from %s: %v", evt.RoomID, intent.UserID, evt.Sender, err)
+
+		return nil
+	}
+
+	members, err := intent.JoinedMembers(resp.RoomID)
+	if err != nil {
+		intent.LeaveRoom(resp.RoomID)
+
+		mh.log.Debugfln("Failed to get members in room %s after accepting invite from %s as %s: %v", resp.RoomID, evt.Sender, intent.UserID, err)
+
+		return nil
+	}
+
+	if len(members.Joined) < 2 {
+		intent.LeaveRoom(resp.RoomID)
+
+		mh.log.Debugln("Leaving empty room", resp.RoomID, "after accepting invite from", evt.Sender, "as", intent.UserID)
+
+		return nil
+	}
+
+	return members
+}
+
+func (mh *matrixHandler) ignoreEvent(evt *event.Event) bool {
+	return false
+}
+
+func (mh *matrixHandler) handleMessage(evt *event.Event) {
+	if mh.ignoreEvent(evt) {
+		return
+	}
+
+	mh.log.Debugfln("received message from %q: %q", evt.Sender, evt.Content.AsMessage())
+}
+
+func (mh *matrixHandler) handleMembership(evt *event.Event) {
+	mh.log.Debugfln("recevied invite %#v\n", evt)
+
+	// Return early if we're supposed to ignore the event.
+	if mh.ignoreEvent(evt) {
+		return
+	}
+
+	// Grab the content of the event.
+	content := evt.Content.AsMessage()
+
+	// TODO: handle invites from ourselfs?
+
+	isSelf := id.UserID(evt.GetStateKey()) == evt.Sender
+
+	// Handle matrix invites.
+	if content.Membership == event.MembershipInvite && !isSelf {
+		//
+	}
+}