Writing auth middleware

internal/handlers/handlers.go

@@ -474,9 +474,11 @@ func (m *Repository) PostShowLogin(w http.ResponseWriter, r *http.Request) {
 	password := r.Form.Get("password")
 	form := forms.New(r.PostForm)
 	form.Required("email", "password")
+	form.IsEmail("email")
 	if !form.Valid() {
-		// TODO
-		http.Redirect(w, r, "/user/login", http.StatusSeeOther)
+		render.Template(w, r, "login.page.tmpl", &models.TemplateData{
+			Form: form,
+		})
 		return
 	}
 

internal/helpers/helpers.go

@@ -24,3 +24,7 @@ func ServerError(w http.ResponseWriter, err error) {
 	app.ErrorLog.Println(trace)
 	http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
 }
+
+func IsAuthenticated(r *http.Request) bool {
+	return app.Session.Exists(r.Context(), "user_id")
+}