function getList(req, res) {
  if (!hasAuthHeader(req)) {
    res.status(401).send();
    return;
  }

  const chance = random(0, 100);
  if (chance < 10) {
    res.status(500).send('some server error');
    return;
  }

  const offset = parseInt(req.query.offset || 0);
  const limit = parseInt(req.query.limit || 10);
  const sort = req.query.sort || 'updated';
  const pickFields = req.query.fields ? req.query.fields.split(',') : ALL_FILED_NAMES;
  const filteredList = filterList(dataset, {
    text: req.query.text || ''
  });

  res.send({
    meta: {
      total: filteredList.length
    },
    data: slice(sortDataSetList(filteredList, sort), offset, offset + limit)
      .map(item => prettifyDatasetItem(item, pickFields))
  });
}