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1 | import * as express from 'express' | |
2 | import * as Sequelize from 'sequelize' | |
3 | ||
4 | import { pseudoRandomBytesPromise } from './core-utils' | |
5 | import { CONFIG, database as db } from '../initializers' | |
6 | import { ResultList } from '../../shared' | |
7 | import { VideoResolution } from '../../shared/models/videos/video-resolution.enum' | |
8 | ||
9 | function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) { | |
10 | return res.type('json').status(400).end() | |
11 | } | |
12 | ||
13 | async function generateRandomString (size: number) { | |
14 | const raw = await pseudoRandomBytesPromise(size) | |
15 | ||
16 | return raw.toString('hex') | |
17 | } | |
18 | ||
19 | interface FormattableToJSON { | |
20 | toFormattedJSON () | |
21 | } | |
22 | ||
23 | function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number) { | |
24 | const formattedObjects: U[] = [] | |
25 | ||
26 | objects.forEach(object => { | |
27 | formattedObjects.push(object.toFormattedJSON()) | |
28 | }) | |
29 | ||
30 | const res: ResultList<U> = { | |
31 | total: objectsTotal, | |
32 | data: formattedObjects | |
33 | } | |
34 | ||
35 | return res | |
36 | } | |
37 | ||
38 | async function isSignupAllowed () { | |
39 | if (CONFIG.SIGNUP.ENABLED === false) { | |
40 | return false | |
41 | } | |
42 | ||
43 | // No limit and signup is enabled | |
44 | if (CONFIG.SIGNUP.LIMIT === -1) { | |
45 | return true | |
46 | } | |
47 | ||
48 | const totalUsers = await db.User.countTotal() | |
49 | ||
50 | return totalUsers < CONFIG.SIGNUP.LIMIT | |
51 | } | |
52 | ||
53 | function computeResolutionsToTranscode (videoFileHeight: number) { | |
54 | const resolutionsEnabled: number[] = [] | |
55 | const configResolutions = CONFIG.TRANSCODING.RESOLUTIONS | |
56 | ||
57 | const resolutions = [ | |
58 | VideoResolution.H_240P, | |
59 | VideoResolution.H_360P, | |
60 | VideoResolution.H_480P, | |
61 | VideoResolution.H_720P, | |
62 | VideoResolution.H_1080P | |
63 | ] | |
64 | ||
65 | for (const resolution of resolutions) { | |
66 | if (configResolutions[resolution.toString()] === true && videoFileHeight > resolution) { | |
67 | resolutionsEnabled.push(resolution) | |
68 | } | |
69 | } | |
70 | ||
71 | return resolutionsEnabled | |
72 | } | |
73 | ||
74 | function resetSequelizeInstance (instance: Sequelize.Instance<any>, savedFields: object) { | |
75 | Object.keys(savedFields).forEach(key => { | |
76 | const value = savedFields[key] | |
77 | instance.set(key, value) | |
78 | }) | |
79 | } | |
80 | ||
81 | type SortType = { sortModel: any, sortValue: string } | |
82 | ||
83 | // --------------------------------------------------------------------------- | |
84 | ||
85 | export { | |
86 | badRequest, | |
87 | generateRandomString, | |
88 | getFormattedObjects, | |
89 | isSignupAllowed, | |
90 | computeResolutionsToTranscode, | |
91 | resetSequelizeInstance, | |
92 | SortType | |
93 | } |