use RequestURI instead of chi.URLParam for testing purpose

internal/handlers/handlers.go

@@ -11,9 +11,8 @@ import (
 	"go-udemy-web-1/internal/repository/dbrepo"
 	"net/http"
 	"strconv"
+	"strings"
 	"time"
-
-	"github.com/go-chi/chi/v5"
 )
 
 // Repo the repository used by the handlers
@@ -358,7 +357,8 @@ func (m *Repository) AvailabilityJSON(w http.ResponseWriter, r *http.Request) {
 
 // ChooseRoom displays list of available rooms
 func (m *Repository) ChooseRoom(w http.ResponseWriter, r *http.Request) {
-	roomID, err := strconv.Atoi(chi.URLParam(r, "id"))
+	exploded := strings.Split(r.RequestURI, "/")
+	roomID, err := strconv.Atoi(exploded[2])
 	if err != nil {
 		m.App.Session.Put(r.Context(), "error", "Can't parse roomID")
 		http.Redirect(w, r, "/availability", http.StatusTemporaryRedirect)