symphony-solutions-file-sender/index.js

Module for sending data to mapper

'use strict';

var Logger  = require('symphony-solutions-logger'),
    request = require('request'),
    log;

class FileSender {
  /**
   * @param {String} url          - url for data to be sent
   * @param {String} loggerPrefix - prefix for logging
   * @throws {Error} if the url has not been given
   */
  constructor (url, loggerPrefix) {
    this.url          = url;
    this.loggerPrefix = loggerPrefix || 'FileSender';

    log = new Logger(this.loggerPrefix);

    if (!this.url) {
      throw new Error('The url param is required');
    }
  }

  /**
   * Send file's data to given url. Preferably to give .json files
   * @param  {Object} data - data which will be sent to mapper.
   * @return {Promise}
   */
  send (data) {
    return new Promise((resolve, reject) => {
      var requestSettings = {
        url   : this.url,
        method: 'PUT',
        json  : true,
        body  : data
      };

      log.warn(`Trying to post event to: ${log.emphasize(this.url)} ...`);

      request(requestSettings, (error, data) => {
        if (error) {
          log.error(error);
          return reject(error);
        }

        data && data.body ? resolve(data.body) : reject();
      });
    });
  }
}

module.exports = FileSender;