overleaf/services/filestore/app/js/KeyBuilder.js

/* eslint-disable
    camelcase,
    no-return-assign,
    no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const settings = require('settings-sharelatex')

module.exports = {
  getConvertedFolderKey(key) {
    return (key = `${key}-converted-cache/`)
  },

  addCachingToKey(key, opts) {
    key = this.getConvertedFolderKey(key)
    if (opts.format != null && opts.style == null) {
      key = `${key}format-${opts.format}`
    }
    if (opts.style != null && opts.format == null) {
      key = `${key}style-${opts.style}`
    }
    if (opts.style != null && opts.format != null) {
      key = `${key}format-${opts.format}-style-${opts.style}`
    }
    return key
  },

  userFileKey(req, res, next) {
    const { project_id, file_id } = req.params
    req.key = `${project_id}/${file_id}`
    req.bucket = settings.filestore.stores.user_files
    return next()
  },

  publicFileKey(req, res, next) {
    const { project_id, public_file_id } = req.params
    if (settings.filestore.stores.public_files == null) {
      return res.status(501).send('public files not available')
    } else {
      req.key = `${project_id}/${public_file_id}`
      req.bucket = settings.filestore.stores.public_files
      return next()
    }
  },

  templateFileKey(req, res, next) {
    const { template_id, format, version, sub_type } = req.params
    req.key = `${template_id}/v/${version}/${format}`
    if (sub_type != null) {
      req.key = `${req.key}/${sub_type}`
    }
    req.bucket = settings.filestore.stores.template_files
    req.version = version
    const opts = req.query
    return next()
  },

  publicProjectKey(req, res, next) {
    const { project_id } = req.params
    req.project_id = project_id
    req.bucket = settings.filestore.stores.user_files
    return next()
  }
}