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1 | import { Activity } from '../../shared/models/activitypub/activity' | |
2 | import { ResultList } from '../../shared/models/result-list.model' | |
3 | import { AccountInstance } from '../models/account/account-interface' | |
4 | import { signObject } from './peertube-crypto' | |
5 | import { ACTIVITY_PUB } from '../initializers/constants' | |
6 | ||
7 | function activityPubContextify <T> (data: T) { | |
8 | return Object.assign(data,{ | |
9 | '@context': [ | |
10 | 'https://www.w3.org/ns/activitystreams', | |
11 | 'https://w3id.org/security/v1', | |
12 | { | |
13 | 'Hashtag': 'as:Hashtag', | |
14 | 'uuid': 'http://schema.org/identifier', | |
15 | 'category': 'http://schema.org/category', | |
16 | 'licence': 'http://schema.org/license', | |
17 | 'nsfw': 'as:sensitive', | |
18 | 'language': 'http://schema.org/inLanguage', | |
19 | 'views': 'http://schema.org/Number', | |
20 | 'size': 'http://schema.org/Number', | |
21 | 'VideoChannel': 'https://peertu.be/ns/VideoChannel' | |
22 | } | |
23 | ] | |
24 | }) | |
25 | } | |
26 | ||
27 | function activityPubCollectionPagination (url: string, page: number, result: ResultList<any>) { | |
28 | let next: string | |
29 | let prev: string | |
30 | ||
31 | // There are more results | |
32 | if (result.total > ((page + 1) * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE)) { | |
33 | next = url + '?page=' + (page + 1) | |
34 | } | |
35 | ||
36 | if (page > 1) { | |
37 | prev = url + '?page=' + (page - 1) | |
38 | } | |
39 | ||
40 | const orderedCollectionPagination = { | |
41 | id: url + '?page=' + page, | |
42 | type: 'OrderedCollectionPage', | |
43 | prev, | |
44 | next, | |
45 | partOf: url, | |
46 | orderedItems: result.data | |
47 | } | |
48 | ||
49 | if (page === 1) { | |
50 | return activityPubContextify({ | |
51 | id: url, | |
52 | type: 'OrderedCollection', | |
53 | totalItems: result.total, | |
54 | first: orderedCollectionPagination | |
55 | }) | |
56 | } | |
57 | ||
58 | return orderedCollectionPagination | |
59 | } | |
60 | ||
61 | function buildSignedActivity (byAccount: AccountInstance, data: Object) { | |
62 | const activity = activityPubContextify(data) | |
63 | ||
64 | return signObject(byAccount, activity) as Promise<Activity> | |
65 | } | |
66 | ||
67 | // --------------------------------------------------------------------------- | |
68 | ||
69 | export { | |
70 | activityPubContextify, | |
71 | activityPubCollectionPagination, | |
72 | buildSignedActivity | |
73 | } |