openhim-mediator-file-queue/lib/openhim.js

An async file queue for OpenHIM mediators

'use strict';

const request = require('request');
const utils = require('openhim-mediator-utils');

module.exports = (ohmOpts) => {
  return {
    fetchChannelByName: (name, callback) => {
      utils.authenticate(ohmOpts, () => {
        const options = {
          url: ohmOpts.apiURL + '/channels',
          headers: utils.genAuthHeaders(ohmOpts),
          json: true
        };
        request.get(options, (err, res, channels) => {
          if (err) { return callback(err); }
          let channel = null;
          channels.forEach((c) => {
            if (c.name === name) { channel = c; }
          });
          if (channel) {
            callback(null, channel);
          } else {
            callback(new Error('Could not find channel in result set'));
          }
        });
      });
    },

    updateChannel: (_id, channel, callback) => {
      utils.authenticate(ohmOpts, () => {
        const options = {
          url: ohmOpts.apiURL + '/channels/' + _id,
          headers: utils.genAuthHeaders(ohmOpts),
          body: channel,
          json: true
        };
        request.put(options, (err, res) => {
          if (err) { return callback(err); }
          callback(null, res);
        });
      });
    },

    addChannel: (channel, callback) => {
      utils.authenticate(ohmOpts, () => {
        const options = {
          url: ohmOpts.apiURL + '/channels',
          headers: utils.genAuthHeaders(ohmOpts),
          body: channel,
          json: true
        };
        request.post(options, (err, res) => {
          if (err) { 
            return callback(err); 
          } else {
            callback(null, res);
          }
        });
      });
    }
  };
};