MarceauKa / laravel-crudable

     * @param   MessageBag $errors

     * @return  self

     */

    public function hydrateErrorsFromSession(MessageBag $errors = null)

    {

        if (!is_null($errors))

        {

            $this->errors = $errors;

            return $this;

        }

        $request = app()->make('request');

        if ($request->session()->has('errors'))

        {

            $this->errors = $request->session()->get('errors', MessageBag::class);

        }

        return $this;

    }

    /**

     * Hydrates the instance with previous input.

     * @param   MessageBag $old_input

     * @return  self

     */

    public function hydrateFieldsFromSession(MessageBag $old_input = null)

    {

        if (!is_null($old_input))

        {

            $this->old_input = $old_input;

            return $this;

        }

        $request = app()->make('request');

        if ($request->session()->has('_old_input'))

        {

            $this->old_input = new MessageBag($request->old());

        }

        return $this;

    }

}