How to implement sub-routes

Question

I want to achieve routes like

user/profile

user/cart

user/products

Currently, I'm doing this

r.HandleFunc("user/signup", signupHandler).Methods("POST")
r.HandleFunc("user/signin", signinHandler).Methods("POST")
r.HandleFunc("user/profile", profileHandler).Methods("GET")
r.HandleFunc("user/cart", cartHandler).Methods("POST")
r.HandleFunc("user/products", productsHandler).Methods("GET")

As you can see these routes starts with user so can how can I know it's a user routes so I can send handle it in a different file.

I want something like

r.HandleFunc("user/", handlerWhichHandelAllTheRequestFromUser)

It should handle all the URL which starts from users.

I'm using mux gorilla

Answer 1

There is a PathPrefix function in mux. You can use it to make the path prefix i.e. "/user" in this case.

example:-

userHandler.go

func makeUserHandler()http.Handler{
  //Define all you handlers here
  r := mux.NewRouter()
  r.HandleFunc("user/signup", signupHandler).Methods("POST")
  r.HandleFunc("user/signin", signinHandler).Methods("POST")
  r.HandleFunc("user/profile", profileHandler).Methods("GET")
  r.HandleFunc("user/cart", cartHandler).Methods("POST")
  r.HandleFunc("user/products", productsHandler).Methods("GET")
  return r
}

main.go

r := mux.NewRouter()
r.PathPrefix("/user").Handler(makeUserHandler())

Please make necessary changes to the above code as per your requirement.