openhim-core/lib/api/heartbeat.js

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getHeartbeat = getHeartbeat;

var _moment = _interopRequireDefault(require("moment"));

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

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

var _mediators = require("../model/mediators");

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 }; }

async function getHeartbeat(ctx) {
  try {
    const uptime = (0, _util.promisify)(server.getUptime);
    const result = await uptime();
    const mediators = await _mediators.MediatorModelAPI.find().exec();

    for (const mediator of Array.from(mediators)) {
      if (!result.mediators) {
        result.mediators = {};
      }

      if (mediator._lastHeartbeat != null && mediator._uptime != null && // have we received a heartbeat within the last minute?
      (0, _moment.default)().diff(mediator._lastHeartbeat, 'seconds') <= 60) {
        result.mediators[mediator.urn] = mediator._uptime;
      } else {
        result.mediators[mediator.urn] = null;
      }
    }

    result.now = Date.now();
    ctx.body = result;
  } catch (e) {
    return utils.logAndSetResponse(ctx, 500, `Error: ${e}`, 'error');
  }
}
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