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 = _interopRequireDefault(require("moment"));

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

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

var _winston = _interopRequireDefault(require("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, _moment.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 = {
    name: 'Cron'
  };
  await channel.save();
  const updateResp = await _model.TransactionModel.updateMany(query, {
    $unset: {
      'request.body': '',
      'response.body': ''
    }
  });

  if (updateResp.nModified > 0) {
    _winston.default.info(`Culled ${updateResp.nModified} transactions for channel ${channel.name}`);
  }
}
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