server/middlewares/validators/sort.ts

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