feat: implement websocket and UI

dag/websocket.go

@@ -0,0 +1,32 @@
+package dag
+
+import (
+	"encoding/json"
+	"github.com/oarkflow/mq/sio"
+)
+
+func WsEvents(s *sio.Server) {
+	s.On("join", join)
+	s.On("message", message)
+}
+
+func join(s *sio.Socket, data []byte) {
+	//just one room at a time for the simple example
+	currentRooms := s.GetRooms()
+	for _, room := range currentRooms {
+		s.Leave(room)
+	}
+	s.Join(string(data))
+	s.Emit("joinedRoom", string(data))
+}
+
+type msg struct {
+	Room    string
+	Message string
+}
+
+func message(s *sio.Socket, data []byte) {
+	var m msg
+	json.Unmarshal(data, &m)
+	s.ToRoom(m.Room, "message", m.Message)
+}