server/middlewares/validators/sort.ts

   1 import { query } from 'express-validator/check'
   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 const SORTABLE_BLACKLISTS_COLUMNS = createSortableColumns(SORTABLE_COLUMNS.BLACKLISTS)
  13
  14 const usersSortValidator = checkSort(SORTABLE_USERS_COLUMNS)
  15 const videoAbusesSortValidator = checkSort(SORTABLE_VIDEO_ABUSES_COLUMNS)
  16 const videosSortValidator = checkSort(SORTABLE_VIDEOS_COLUMNS)
  17 const blacklistSortValidator = checkSort(SORTABLE_BLACKLISTS_COLUMNS)
  18
  19 // ---------------------------------------------------------------------------
  20
  21 export {
  22   usersSortValidator,
  23   videoAbusesSortValidator,
  24   videosSortValidator,
  25   blacklistSortValidator
  26 }
  27
  28 // ---------------------------------------------------------------------------
  29
  30 function checkSort (sortableColumns: string[]) {
  31   return [
  32     query('sort').optional().isIn(sortableColumns).withMessage('Should have correct sortable column'),
  33
  34     (req: express.Request, res: express.Response, next: express.NextFunction) => {
  35       logger.debug('Checking sort parameters', { parameters: req.query })
  36
  37       checkErrors(req, res, next)
  38     }
  39   ]
  40 }
  41
  42 function createSortableColumns (sortableColumns: string[]) {
  43   const sortableColumnDesc = sortableColumns.map(sortableColumn => '-' + sortableColumn)
  44
  45   return sortableColumns.concat(sortableColumnDesc)
  46 }