xcoobee-sdk/src/xcoobee/api/UsersApi.js

The XcooBee SDK is a facility to abstract lower level calls and implement standard behaviors. The XcooBee team is providing this to improve the speed of implementation and show the best practices while interacting with XcooBee.

const ApiUtils = require('./ApiUtils');

/**
 * Fetches user information associated with the specified API access token.
 *
 * @param {string} apiUrlRoot - The root of the API URL.
 * @param {ApiAccessToken} apiAccessToken - A valid API access token.
 *
 * @returns {Promise<User>} - The user information.
 *
 * @throws {XcooBeeError}
 */
const getUser = (apiUrlRoot, apiAccessToken) => {
  // Note: There is no need to make multiple requests for user info with the same API
  // access token if the first request has not been fulfilled yet.  Here we simply
  // return any existing unfulfilled promises instead of making a new request.
  const key = apiAccessToken;
  if (key in getUser._.unfulfilledPromises) {
    return getUser._.unfulfilledPromises[key];
  }

  const client = ApiUtils.createClient(apiUrlRoot, apiAccessToken);
  const query = `
    query {
      user {
        cursor
        xcoobee_id
        pgp_public_key
      }
    }
  `;

  const unfulfilledPromise = client.request(query)
    .then((response) => {
      delete getUser._.unfulfilledPromises[key];

      return response.user;
    })
    .catch((err) => {
      delete getUser._.unfulfilledPromises[key];
      throw ApiUtils.transformError(err);
    });

  getUser._.unfulfilledPromises[key] = unfulfilledPromise;

  return unfulfilledPromise;
};

/**
 * Fetches user information associated with the specified XcooBee ID.
 *
 * @param {string} apiUrlRoot - The root of the API URL.
 * @param {ApiAccessToken} apiAccessToken - A valid API access token.
 * @param {string} xid - User's xcoobee ID.
 *
 * @returns {Promise<string>} - The user pgp public key or `null`.
 *
 * @throws {XcooBeeError}
 */
const getUserPublicKey = (apiUrlRoot, apiAccessToken, xid) => {
  const query = `
    query getUserPublicKey($xid: String!) {
      users(xcoobee_id: $xid) {
          data {
              pgp_public_key
          }
      }
    }
  `;

  return ApiUtils.createClient(apiUrlRoot, apiAccessToken).request(query, { xid })
    .then((response) => {
      const user = response.users.data[0];

      return (user && user.pgp_public_key) || '';
    })
    .catch((err) => {
      throw ApiUtils.transformError(err);
    });
};

getUser._ = {
  unfulfilledPromises: {},
};

module.exports = {
  getUser,
  getUserPublicKey,
};