openhim-core/lib/polling.js

The OpenHIM core application that provides logging and routing of http requests

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.registerPollingChannel = registerPollingChannel;
exports.removePollingChannel = removePollingChannel;
exports.setupAgenda = setupAgenda;
exports.agendaGlobal = void 0;

var _request = _interopRequireDefault(require("request"));

var _winston = _interopRequireDefault(require("winston"));

var Channels = _interopRequireWildcard(require("./model/channels"));

var _config = require("./config");

var utils = _interopRequireWildcard(require("./utils"));

var _util = require("util");

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const {
  ChannelModel
} = Channels;
_config.config.polling = _config.config.get('polling');
let agendaGlobal = null;
exports.agendaGlobal = agendaGlobal;

async function registerPollingChannel(channel, callback) {
  _winston.default.info(`Registering polling channel: ${channel._id}`);

  if (!channel.pollingSchedule) {
    return callback(new Error('no polling schedule set on this channel'));
  }

  try {
    await exports.agendaGlobal.cancel({
      name: `polling-job-${channel._id}`
    });
    exports.agendaGlobal.define(`polling-job-${channel._id}`, (job, done) => {
      _winston.default.info(`Polling channel ${channel._id}`);

      const options = {
        url: `http://${_config.config.polling.host}:${_config.config.polling.pollingPort}/trigger`,
        headers: {
          'channel-id': channel._id,
          'X-OpenHIM-LastRunAt': job.attrs.lastRunAt
        }
      };
      return (0, _request.default)(options, () => done());
    });
    exports.agendaGlobal.every(channel.pollingSchedule, `polling-job-${channel._id}`, null, {
      timezone: utils.serverTimezone()
    });
    return callback(null);
  } catch (err) {
    return callback(err);
  }
}

async function removePollingChannel(channel, callback) {
  _winston.default.info(`Removing polling schedule for channel: ${channel._id}`);

  try {
    await exports.agendaGlobal.cancel({
      name: `polling-job-${channel._id}`
    });
    return callback(null);
  } catch (err) {
    return callback(err);
  }
}

function setupAgenda(agenda, callback) {
  _winston.default.info('Starting polling server...');

  const registerPollingChannelPromise = (0, _util.promisify)(registerPollingChannel);
  exports.agendaGlobal = agendaGlobal = agenda;
  return ChannelModel.find({
    type: 'polling'
  }, (err, channels) => {
    if (err) {
      return err;
    }

    const promises = [];

    for (const channel of Array.from(channels)) {
      if (Channels.isChannelEnabled(channel)) {
        promises.push(registerPollingChannelPromise(channel));
      }
    }

    return Promise.all(promises).then(callback);
  });
}
//# sourceMappingURL=polling.js.map