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Commit | Line | Data |
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1 | import * as express from 'express' | |
2 | ||
3 | import { pseudoRandomBytes } from 'crypto' | |
4 | ||
5 | import { logger } from './logger' | |
6 | ||
7 | function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) { | |
8 | res.type('json').status(400).end() | |
9 | } | |
10 | ||
11 | function generateRandomString (size: number, callback: (err: Error, randomString?: string) => void) { | |
12 | pseudoRandomBytes(size, function (err, raw) { | |
13 | if (err) return callback(err) | |
14 | ||
15 | callback(null, raw.toString('hex')) | |
16 | }) | |
17 | } | |
18 | ||
19 | function createEmptyCallback () { | |
20 | return function (err) { | |
21 | if (err) logger.error('Error in empty callback.', { error: err }) | |
22 | } | |
23 | } | |
24 | ||
25 | interface FormatableToJSON { | |
26 | toFormatedJSON() | |
27 | } | |
28 | ||
29 | function getFormatedObjects<U, T extends FormatableToJSON> (objects: T[], objectsTotal: number) { | |
30 | const formatedObjects: U[] = [] | |
31 | ||
32 | objects.forEach(function (object) { | |
33 | formatedObjects.push(object.toFormatedJSON()) | |
34 | }) | |
35 | ||
36 | return { | |
37 | total: objectsTotal, | |
38 | data: formatedObjects | |
39 | } | |
40 | } | |
41 | ||
42 | // --------------------------------------------------------------------------- | |
43 | ||
44 | export { | |
45 | badRequest, | |
46 | createEmptyCallback, | |
47 | generateRandomString, | |
48 | getFormatedObjects | |
49 | } |