UniSharp / buyable

        return $this->specs->count() == 1;

    }

    public function setAttribute($key, $value)

    {

        foreach (['spec', 'buyable'] as $type) {

            $attributes = "{$type}Attributes";

            $method = "set" . ucfirst($type);

            if (in_array($key, $this->{$attributes})) {

                $this->{$method}($key, $value);

                return $this;

            }

        }

        return parent::setAttribute($key, $value);

    }

    public function getAttribute($key)

    {

        return parent::setAttribute($key, $value);

    }

    public function getAttribute($key)

    {

        foreach (['spec', 'buyable'] as $type) {

            $attributes = "{$type}Attributes";

            $method = "get" . ucfirst($type);

            if (in_array($key, $this->{$attributes})) {

                return $this->{$method}($key);

            }

        }

        return parent::getAttribute($key);

    }

    public function isSpecDirty()

    {