add stream utilities

constant.go

@@ -1,6 +1,6 @@
 package natsio
 
-var Stream = struct {
+var AllStreams = struct {
 	Selly      string
 	User       string
 	HelpCenter string
@@ -16,7 +16,7 @@ var Stream = struct {
 	Jobs:       "jobs",
 }
 
-var SellyServer = struct {
+var AllServers = struct {
 	App   string
 	Admin string
 	SMS   string

stream_utilties.go

@@ -0,0 +1,14 @@
+package natsio
+
+type StreamUtilities struct {
+	Stream string
+	Server string
+}
+
+func (s StreamUtilities) GenerateReqrepSubject(subject string) string {
+	return GenerateReqrepSubject(s.Stream, s.Server, subject)
+}
+
+func (s StreamUtilities) GenerateJetStreamSubject(subject string) string {
+	return GenerateJetStreamSubject(s.Stream, s.Server, subject)
+}