add redis status check

server/routers/service_state.go

@@ -0,0 +1,39 @@
+package routers
+
+import (
+	"net/http"
+	"recipe-manager/data"
+
+	"github.com/go-chi/chi/v5"
+)
+
+type ServiceCheckRouter struct {
+	cache_db *data.RedisCli
+	// add service here!
+}
+
+func NewServiceCheckRouter(cache_db *data.RedisCli) *ServiceCheckRouter {
+	return &ServiceCheckRouter{cache_db: cache_db}
+}
+
+func (nscr *ServiceCheckRouter) Route(r chi.Router) {
+	r.Route("/health", func(r chi.Router) {
+		r.Get("/redis", nscr.RedisHealth)
+	})
+}
+
+func (nscr *ServiceCheckRouter) RedisHealth(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+
+	// {status: online/offline}
+	err := nscr.cache_db.HealthCheck()
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte(`{"status":"Offline"}`))
+		return
+	}
+	// no error = online
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte(`{"status":"Online"}`))
+
+}

server/server.go

@@ -139,7 +139,7 @@ func (s *Server) createHandler() {
 		ur := routers.NewUserRouter(s.taoLogger, userService)
 		ur.Route(r)
 
-		fmt.Println("routers", r.Routes())
+		// fmt.Println("routers", r.Routes())
 
 	})
 
@@ -156,6 +156,9 @@ func (s *Server) createHandler() {
 		})
 	})
 
+	nscr := routers.NewServiceCheckRouter(s.cache_db)
+	nscr.Route(r)
+
 	// routers.NewToppingRouter(s.data, s.taoLogger).Route(r)
 
 	r.NotFound(func(w http.ResponseWriter, r *http.Request) {