Editing a reservation

cmd/web/routes.go

@@ -46,6 +46,7 @@ func routes(app *config.AppConfig) http.Handler {
 		mux.Get("/reservations-calendar", handlers.Repo.AdminReservationsCalendar)
 
 		mux.Get("/reservations/{src}/{id}", handlers.Repo.AdminShowReservation)
+		mux.Post("/reservations/{src}/{id}", handlers.Repo.AdminPostShowReservation)
 	})
 
 	return mux

internal/handlers/handlers.go

@@ -545,6 +545,7 @@ func (m *Repository) AdminShowReservation(w http.ResponseWriter, r *http.Request
 	id, err := strconv.Atoi(exploded[4])
 	if err != nil {
 		helpers.ServerError(w, err)
+		return
 	}
 	src := exploded[3]
 
@@ -555,6 +556,7 @@ func (m *Repository) AdminShowReservation(w http.ResponseWriter, r *http.Request
 	res, err := m.DB.GetReservationByID(id)
 	if err != nil {
 		helpers.ServerError(w, err)
+		return
 	}
 
 	data := make(map[string]interface{})
@@ -568,6 +570,48 @@ func (m *Repository) AdminShowReservation(w http.ResponseWriter, r *http.Request
 	})
 }
 
+// AdminShowReservation shows the detail of a reservation
+func (m *Repository) AdminPostShowReservation(w http.ResponseWriter, r *http.Request) {
+	if err := r.ParseForm(); err != nil {
+		helpers.ServerError(w, err)
+		return
+	}
+
+	exploded := strings.Split(r.RequestURI, "/")
+	id, err := strconv.Atoi(exploded[4])
+	if err != nil {
+		helpers.ServerError(w, err)
+		return
+	}
+	src := exploded[3]
+
+	stringMap := make(map[string]string)
+	stringMap["src"] = src
+
+	// get reservation from the database
+	res, err := m.DB.GetReservationByID(id)
+	if err != nil {
+		helpers.ServerError(w, err)
+		return
+	}
+
+	res.FirstName = r.Form.Get("first_name")
+	res.LastName = r.Form.Get("last_name")
+	res.Email = r.Form.Get("email")
+	res.Phone = r.Form.Get("phone")
+
+	// TODO error checking
+
+	err = m.DB.UpdateReservation(res)
+	if err != nil {
+		helpers.ServerError(w, err)
+		return
+	}
+
+	m.App.Session.Put(r.Context(), "flash", "Changes saved")
+	http.Redirect(w, r, fmt.Sprintf("/admin/reservations-%s", src), http.StatusSeeOther)
+}
+
 // AdminReservationsCalendar displays the reservation calendar
 func (m *Repository) AdminReservationsCalendar(w http.ResponseWriter, r *http.Request) {
 	render.Template(w, r, "admin-reservations-calendar.page.tmpl", &models.TemplateData{})

internal/repository/dbrepo/postgres.go

@@ -348,9 +348,11 @@ func (m *postgresDBRepo) UpdateReservation(r models.Reservation) error {
 	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
 	defer cancel()
 
-	query := `update reservations set first_name = $1, last_name = $2, email = $3, phone = $4, updated_at = $5`
+	query := `update reservations set first_name = $1, last_name = $2, email = $3, phone = $4, updated_at = $5
+              where id = $6`
 
-	_, err := m.DB.ExecContext(ctx, query, r.FirstName, r.LastName, r.Email, r.Phone, time.Now())
+	_, err := m.DB.ExecContext(ctx, query, r.FirstName, r.LastName, r.Email,
+		r.Phone, time.Now(), r.ID)
 	if err != nil {
 		return err
 	}