server/middlewares/validators/sort.js

   1 'use strict'
   2
   3 const checkErrors = require('./utils').checkErrors
   4 const constants = require('../../initializers/constants')
   5 const logger = require('../../helpers/logger')
   6
   7 const validatorsSort = {
   8   usersSort,
   9   videoAbusesSort,
  10   videosSort
  11 }
  12
  13 // Initialize constants here for better performances
  14 const SORTABLE_USERS_COLUMNS = createSortableColumns(constants.SORTABLE_COLUMNS.USERS)
  15 const SORTABLE_VIDEO_ABUSES_COLUMNS = createSortableColumns(constants.SORTABLE_COLUMNS.VIDEO_ABUSES)
  16 const SORTABLE_VIDEOS_COLUMNS = createSortableColumns(constants.SORTABLE_COLUMNS.VIDEOS)
  17
  18 function usersSort (req, res, next) {
  19   checkSort(req, res, next, SORTABLE_USERS_COLUMNS)
  20 }
  21
  22 function videoAbusesSort (req, res, next) {
  23   checkSort(req, res, next, SORTABLE_VIDEO_ABUSES_COLUMNS)
  24 }
  25
  26 function videosSort (req, res, next) {
  27   checkSort(req, res, next, SORTABLE_VIDEOS_COLUMNS)
  28 }
  29
  30 // ---------------------------------------------------------------------------
  31
  32 module.exports = validatorsSort
  33
  34 // ---------------------------------------------------------------------------
  35
  36 function checkSort (req, res, next, sortableColumns) {
  37   req.checkQuery('sort', 'Should have correct sortable column').optional().isIn(sortableColumns)
  38
  39   logger.debug('Checking sort parameters', { parameters: req.query })
  40
  41   checkErrors(req, res, next)
  42 }
  43
  44 function createSortableColumns (sortableColumns) {
  45   const sortableColumnDesc = sortableColumns.map(sortableColumn => '-' + sortableColumn)
  46
  47   return sortableColumns.concat(sortableColumnDesc)
  48 }