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8fffe21a C |
1 | import { ACTIVITY_PUB, JOB_REQUEST_TIMEOUT } from '../../initializers' |
2 | import { doRequest } from '../../helpers/requests' | |
3 | import { logger } from '../../helpers/logger' | |
edb4ffc7 | 4 | import * as Bluebird from 'bluebird' |
5c6d985f | 5 | import { ActivityPubOrderedCollection } from '../../../shared/models/activitypub' |
8fffe21a | 6 | |
f6eebcb3 | 7 | async function crawlCollectionPage <T> (uri: string, handler: (items: T[]) => Promise<any> | Bluebird<any>) { |
8fffe21a C |
8 | logger.info('Crawling ActivityPub data on %s.', uri) |
9 | ||
10 | const options = { | |
11 | method: 'GET', | |
12 | uri, | |
13 | json: true, | |
14 | activityPub: true, | |
15 | timeout: JOB_REQUEST_TIMEOUT | |
16 | } | |
17 | ||
5c6d985f | 18 | const response = await doRequest<ActivityPubOrderedCollection<T>>(options) |
8fffe21a C |
19 | const firstBody = response.body |
20 | ||
21 | let limit = ACTIVITY_PUB.FETCH_PAGE_LIMIT | |
22 | let i = 0 | |
23 | let nextLink = firstBody.first | |
24 | while (nextLink && i < limit) { | |
25 | options.uri = nextLink | |
26 | ||
5c6d985f | 27 | const { body } = await doRequest<ActivityPubOrderedCollection<T>>(options) |
8fffe21a C |
28 | nextLink = body.next |
29 | i++ | |
30 | ||
31 | if (Array.isArray(body.orderedItems)) { | |
32 | const items = body.orderedItems | |
2186386c | 33 | logger.info('Processing %i ActivityPub items for %s.', items.length, options.uri) |
8fffe21a C |
34 | |
35 | await handler(items) | |
36 | } | |
37 | } | |
38 | } | |
39 | ||
40 | export { | |
41 | crawlCollectionPage | |
42 | } |