paradigm-core/src/plugins/documents/hooks/purge-url.js

Paradigm Core Modules

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

/**
 * Hook for purging url after a create or delete. 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 purgeUrl(req, response) {

  const logger = req.logger || console

  try {

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

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

    logger.debug('Hook:documents--purge-url start')

    const application = await applicationModel.getById(applicationId)

    const id = req.params.id

    purgeUrlQueue.add({
      organizationId,
      application,
      hostname: application.host,
      id,
      protocol: application.protocol
    })

  } catch(e) {

    logger.debug('Hook:documents--purge-url failed', e)

  }

  return response

}

registerHook({
  when: 'after',
  serviceName: 'documents',
  actionNames: ['deleteById', 'purgeById'],
}, purgeUrl)