Function previewDataRequest

server/sources/shared/protocols/api.protocol.js:155–233

({
  connection,
  dataRequest,
  itemsLimit,
  items,
  offset,
  pagination,
  paginationField,
})

}

async function previewDataRequest({
  connection,
  dataRequest,
  itemsLimit,
  items,
  offset,
  pagination,
  paginationField,
}) {
  const savedConnection = await getSavedConnection(connection);
  const limit = itemsLimit ? parseInt(itemsLimit, 10) : 0;
  const policyContext = buildApiPolicyContext("api_request_test", savedConnection);
  const tempUrl = `${savedConnection.getApiUrl(savedConnection)}${dataRequest.route || ""}`;
  const queryParams = querystring.parse(tempUrl.split("?")[1]);

  let url = tempUrl;
  if (url.indexOf("?") > -1) {
    url = tempUrl.substring(0, tempUrl.indexOf("?"));
  }

  const options = {
    url,
    method: dataRequest.method || "GET",
    headers: {},
    qs: queryParams,
    resolveWithFullResponse: true,
    simple: false,
  };

  let headers = {};
  if (dataRequest.useGlobalHeaders) {
    const globalHeaders = savedConnection.getHeaders(savedConnection);
    for (const opt of globalHeaders) {
      headers = Object.assign(opt, headers);
    }

    if (dataRequest.headers) {
      headers = Object.assign(dataRequest.headers, headers);
    }
  }

  options.headers = headers;

  if (dataRequest.body && dataRequest.method !== "GET") {
    options.body = dataRequest.body;
    options.headers["Content-Type"] = "application/json";
  }

  if (pagination) {
    if ((options.url.indexOf(`?${items}=`) || options.url.indexOf(`&${items}=`))
      && (options.url.indexOf(`?${offset}=`) || options.url.indexOf(`&${offset}=`))
    ) {
      return paginateRequests(dataRequest.template, {
        options,
        limit,
        items,
        offset,
        paginationField,