Connection search availability to the make reservation page

internal/handlers/handlers.go

@@ -2,6 +2,7 @@ package handlers
 
 import (
 	"encoding/json"
+	"errors"
 	"go-udemy-web-1/internal/config"
 	"go-udemy-web-1/internal/driver"
 	"go-udemy-web-1/internal/forms"
@@ -13,6 +14,8 @@ import (
 	"net/http"
 	"strconv"
 	"time"
+
+	"github.com/go-chi/chi/v5"
 )
 
 // Repo the repository used by the handlers
@@ -256,3 +259,23 @@ func (m *Repository) AvailabilityJSON(w http.ResponseWriter, r *http.Request) {
 
 	w.Write(out)
 }
+
+func (m *Repository) ChooseRoom(w http.ResponseWriter, r *http.Request) {
+	roomID, err := strconv.Atoi(chi.URLParam(r, "id"))
+	if err != nil {
+		helpers.ServerError(w, err)
+		return
+	}
+	m.App.Session.Get(r.Context(), "reservation")
+
+	res, ok := m.App.Session.Get(r.Context(), "reservation").(models.Reservation)
+	if !ok {
+		helpers.ServerError(w, errors.New("cannot get reservation from session"))
+		return
+	}
+
+	res.RoomID = roomID
+	m.App.Session.Put(r.Context(), "reservation", res)
+
+	http.Redirect(w, r, "/make-reservation", http.StatusSeeOther)
+}

internal/repository/dbrepo/postgres.go

@@ -100,7 +100,7 @@ func (m *postgresDBRepo) SearchAvailabilityForAllRooms(start, end time.Time) ([]
                 rooms r
             where r.id not in
                 (select
-                    roomId
+                    room_id
                 from
                     room_restrictions rr
                 where