controller.js

// [GET] /category
function list (request, reply) {
  this.model
  .scope({
    method: ['user', request.auth.credentials.id]
  })
  .findAndCountAll({
    attributes: ['id', 'description'],
    order: 'description',
    offset: request.offset,
    limit: request.limit,
    where: {
      $and: this.search(request)
    }
  })
  .then((result) => {
    reply({
      data: result.rows,
      count: result.count
    });
  }).catch((err) => reply.badImplementation(err.message));
}

server.js

let page = this.query.page || 0;
const limit = 10;
const offset = limit * (page - 1);

server.decorate('request', 'offset', offset);
server.decorate('request', 'limit', limit);