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1 | import * as express from 'express' | |
2 | import { query, validationResult } from 'express-validator' | |
3 | import { logger } from '../../helpers/logger' | |
4 | ||
5 | function areValidationErrors (req: express.Request, res: express.Response) { | |
6 | const errors = validationResult(req) | |
7 | ||
8 | if (!errors.isEmpty()) { | |
9 | logger.warn('Incorrect request parameters', { path: req.originalUrl, err: errors.mapped() }) | |
10 | res.status(400).json({ errors: errors.mapped() }) | |
11 | ||
12 | return true | |
13 | } | |
14 | ||
15 | return false | |
16 | } | |
17 | ||
18 | function checkSort (sortableColumns: string[]) { | |
19 | return [ | |
20 | query('sort').optional().isIn(sortableColumns).withMessage('Should have correct sortable column'), | |
21 | ||
22 | (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
23 | logger.debug('Checking sort parameters', { parameters: req.query }) | |
24 | ||
25 | if (areValidationErrors(req, res)) return | |
26 | ||
27 | return next() | |
28 | } | |
29 | ] | |
30 | } | |
31 | ||
32 | function createSortableColumns (sortableColumns: string[]) { | |
33 | const sortableColumnDesc = sortableColumns.map(sortableColumn => '-' + sortableColumn) | |
34 | ||
35 | return sortableColumns.concat(sortableColumnDesc) | |
36 | } | |
37 | ||
38 | // --------------------------------------------------------------------------- | |
39 | ||
40 | export { | |
41 | areValidationErrors, | |
42 | checkSort, | |
43 | createSortableColumns | |
44 | } |