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