openhim-core/lib/bodyCull.js

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

'use strict';

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

var _moment = require('moment');

var _moment2 = _interopRequireDefault(_moment);

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

var _model = require('./model');

var _winston = require('winston');

var _winston2 = _interopRequireDefault(_winston);

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

_config.config.bodyCull = _config.config.get('bodyCull');

function setupAgenda(agenda) {
  if (_config.config.bodyCull == null) {
    return;
  }
  agenda.define('transaction body culling', async (job, done) => {
    try {
      await cullBodies();
      done();
    } catch (err) {
      done(err);
    }
  });
  agenda.every(`${_config.config.bodyCull.pollPeriodMins} minutes`, `transaction body culling`);
}

async function cullBodies() {
  const channels = await _model.ChannelModel.find({ maxBodyAgeDays: { $exists: true } });
  await Promise.all(channels.map(channel => clearTransactions(channel)));
}

async function clearTransactions(channel) {
  const { maxBodyAgeDays, lastBodyCleared } = channel;
  const maxAge = (0, _moment2.default)().subtract(maxBodyAgeDays, 'd').toDate();
  const query = {
    channelID: channel._id,
    'request.timestamp': {
      $lte: maxAge
    }
  };

  if (lastBodyCleared != null) {
    query['request.timestamp'].$gte = lastBodyCleared;
  }

  channel.lastBodyCleared = Date.now();
  channel.updatedBy = 'Cron';
  await channel.save();
  const updateResp = await _model.TransactionModel.updateMany(query, { $unset: { 'request.body': '', 'response.body': '' } });
  if (updateResp.nModified > 0) {
    _winston2.default.info(`Culled ${updateResp.nModified} transactions for channel ${channel.name}`);
  }
}
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