swappableMux is now public and Append() now updates Server.Handler

Co-authored-by: Roberto Abdelkader Martínez Pérez <robertomartinezp@gmail.com>

internal/server/user/mux/mux.go

@@ -8,34 +8,34 @@ import (
 	"github.com/gorilla/mux"
 )
 
-type swappableMux struct {
+type SwappableMux struct {
 	m    sync.RWMutex
 	root *mux.Router
 }
 
-func New() *swappableMux {
-	return &swappableMux{
+func New() *SwappableMux {
+	return &SwappableMux{
 		root: mux.NewRouter(),
 	}
 }
 
-func (sm *swappableMux) get() *mux.Router {
+func (sm *SwappableMux) get() *mux.Router {
 	sm.m.RLock()
 	defer sm.m.RUnlock()
 
 	return sm.root
 }
 
-func (sm *swappableMux) set(mux *mux.Router) {
+func (sm *SwappableMux) set(mux *mux.Router) {
 	sm.m.Lock()
 	sm.root = mux
 	sm.m.Unlock()
 }
 
-func (sm *swappableMux) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+func (sm *SwappableMux) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	sm.get().ServeHTTP(w, r)
 }
 
-func (sm *swappableMux) Update(rs []model.Route) {
+func (sm *SwappableMux) Update(rs []model.Route) {
 	sm.set(gorillize(rs, handlerBuilder))
 }