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import { ResultList } from '../../shared/models'
import { Activity } from '../../shared/models/activitypub'
import { ACTIVITY_PUB } from '../initializers'
import { ActorModel } from '../models/activitypub/actor'
import { signObject } from './peertube-crypto'
function activityPubContextify <T> (data: T) {
return Object.assign(data,{
'@context': [
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
{
'Hashtag': 'as:Hashtag',
'uuid': 'http://schema.org/identifier',
'category': 'http://schema.org/category',
'licence': 'http://schema.org/license',
'nsfw': 'as:sensitive',
'language': 'http://schema.org/inLanguage',
'views': 'http://schema.org/Number',
'size': 'http://schema.org/Number',
'VideoChannel': 'https://peertu.be/ns/VideoChannel'
}
]
})
}
function activityPubCollection (results: any[]) {
return {
type: 'OrderedCollection',
totalItems: results.length,
orderedItems: results
}
}
function activityPubCollectionPagination (url: string, page: any, result: ResultList<any>) {
let next: string
let prev: string
// Assert page is a number
page = parseInt(page, 10)
// There are more results
if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) {
next = url + '?page=' + (page + 1)
}
if (page > 1) {
prev = url + '?page=' + (page - 1)
}
const orderedCollectionPagination = {
id: url + '?page=' + page,
type: 'OrderedCollectionPage',
prev,
next,
partOf: url,
orderedItems: result.data
}
if (page === 1) {
return activityPubContextify({
id: url,
type: 'OrderedCollection',
totalItems: result.total,
first: orderedCollectionPagination
})
} else {
orderedCollectionPagination['totalItems'] = result.total
}
return orderedCollectionPagination
}
function buildSignedActivity (byActor: ActorModel, data: Object) {
const activity = activityPubContextify(data)
return signObject(byActor, activity) as Promise<Activity>
}
// ---------------------------------------------------------------------------
export {
activityPubContextify,
activityPubCollectionPagination,
activityPubCollection,
buildSignedActivity
}
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