paradigm-core/src/plugins/channels/hooks/purge-channel.js

Paradigm Core Modules

const {
  Dispatcher: {registerHook},
  ApplicationsPlugin: {ApplicationModel},
} = require('structure-core')
const purgeQueue = require('../queues/purge')

/**
 * Hook for purging channel data. Simply queues a purge job.
 *
 * @param {Object} req - express request object
 * @param {Object} response - the response from the dispatcher, which cointains
 *    the data from the previous controller method.
 * @returns {Object} response - the response to be returned to the user
 */
async function purgeChannel(req, response) {

  try {

    const applicationId = req.headers.applicationid
    const organizationId = req.headers.organizationid

    const applicationModel = new ApplicationModel({
      logger: req.logger,
      organizationId
    })

    const application = await applicationModel.getById(applicationId)

    const channel = response.pkg

    purgeQueue.add({
      applicationId,
      channelSlug: channel.slug,
      hostname: application.host,
      protocol: application.protocol
    })

  } catch(e) {

    req.logger.error('Failed to purge channel', e)

  }

  return response

}

registerHook({
  when: 'after',
  serviceName: 'channels',
  actionNames: ['create', 'updateById'],
}, purgeChannel)