42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
import { ACTIVITY_PUB, JOB_REQUEST_TIMEOUT } from '../../initializers'
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import { doRequest } from '../../helpers/requests'
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import { logger } from '../../helpers/logger'
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import * as Bluebird from 'bluebird'
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import { ActivityPubOrderedCollection } from '../../../shared/models/activitypub'
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async function crawlCollectionPage <T> (uri: string, handler: (items: T[]) => Promise<any> | Bluebird<any>) {
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logger.info('Crawling ActivityPub data on %s.', uri)
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const options = {
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method: 'GET',
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uri,
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json: true,
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activityPub: true,
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timeout: JOB_REQUEST_TIMEOUT
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}
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const response = await doRequest<ActivityPubOrderedCollection<T>>(options)
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const firstBody = response.body
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let limit = ACTIVITY_PUB.FETCH_PAGE_LIMIT
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let i = 0
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let nextLink = firstBody.first
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while (nextLink && i < limit) {
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options.uri = nextLink
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const { body } = await doRequest<ActivityPubOrderedCollection<T>>(options)
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nextLink = body.next
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i++
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if (Array.isArray(body.orderedItems)) {
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const items = body.orderedItems
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logger.info('Processing %i ActivityPub items for %s.', items.length, options.uri)
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await handler(items)
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}
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}
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}
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export {
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crawlCollectionPage
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}
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