def _call(self, *args, **kwargs): if self.method == "POST": form_data = self.request.form origin_url = form_data["origin_url"] if not validators.url(origin_url): raise ValidationError( f"Not a valid url provided: {origin_url}") url, created = Url.get_or_create(origin=origin_url) if not created: url.redirect_count += 1 url.save(only=[Url.redirect_count]) return redirect( url_for("result", uuid=url.uuid, redirect_count=url.redirect_count)) return render_template("main.html")