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import { sanitizeAndCheckVideoCommentObject } from '../../helpers/custom-validators/activitypub/video-comments'
import { logger } from '../../helpers/logger'
import { doRequest } from '../../helpers/requests'
import { ACTIVITY_PUB, CRAWL_REQUEST_CONCURRENCY } from '../../initializers/constants'
import { VideoCommentModel } from '../../models/video/video-comment'
import { getOrCreateActorAndServerAndModel } from './actor'
import { getOrCreateVideoAndAccountAndChannel } from './videos'
import * as Bluebird from 'bluebird'
import { checkUrlsSameHost } from '../../helpers/activitypub'
import { MCommentOwner, MCommentOwnerVideo, MVideoAccountLightBlacklistAllFiles } from '../../typings/models/video'
type ResolveThreadParams = {
url: string,
comments?: MCommentOwner[],
isVideo?: boolean,
commentCreated?: boolean
}
type ResolveThreadResult = Promise<{ video: MVideoAccountLightBlacklistAllFiles, comment: MCommentOwnerVideo, commentCreated: boolean }>
async function addVideoComments (commentUrls: string[]) {
return Bluebird.map(commentUrls, commentUrl => {
return resolveThread({ url: commentUrl, isVideo: false })
}, { concurrency: CRAWL_REQUEST_CONCURRENCY })
}
async function resolveThread (params: ResolveThreadParams): ResolveThreadResult {
const { url, isVideo } = params
if (params.commentCreated === undefined) params.commentCreated = false
if (params.comments === undefined) params.comments = []
// Already have this comment?
if (isVideo !== true) {
const result = await resolveCommentFromDB(params)
if (result) return result
}
try {
if (isVideo !== false) return await tryResolveThreadFromVideo(params)
return resolveParentComment(params)
} catch (err) {
logger.debug('Cannot get or create account and video and channel for reply %s, fetch comment', url, { err })
return resolveParentComment(params)
}
}
export {
addVideoComments,
resolveThread
}
// ---------------------------------------------------------------------------
async function resolveCommentFromDB (params: ResolveThreadParams) {
const { url, comments, commentCreated } = params
const commentFromDatabase = await VideoCommentModel.loadByUrlAndPopulateReplyAndVideoUrlAndAccount(url)
if (commentFromDatabase) {
let parentComments = comments.concat([ commentFromDatabase ])
// Speed up things and resolve directly the thread
if (commentFromDatabase.InReplyToVideoComment) {
const data = await VideoCommentModel.listThreadParentComments(commentFromDatabase, undefined, 'DESC')
parentComments = parentComments.concat(data)
}
return resolveThread({
url: commentFromDatabase.Video.url,
comments: parentComments,
isVideo: true,
commentCreated
})
}
return undefined
}
async function tryResolveThreadFromVideo (params: ResolveThreadParams) {
const { url, comments, commentCreated } = params
// Maybe it's a reply to a video?
// If yes, it's done: we resolved all the thread
const syncParam = { likes: true, dislikes: true, shares: true, comments: false, thumbnail: true, refreshVideo: false }
const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: url, syncParam })
let resultComment: MCommentOwnerVideo
if (comments.length !== 0) {
const firstReply = comments[ comments.length - 1 ] as MCommentOwnerVideo
firstReply.inReplyToCommentId = null
firstReply.originCommentId = null
firstReply.videoId = video.id
firstReply.changed('updatedAt', true)
firstReply.Video = video
comments[comments.length - 1] = await firstReply.save()
for (let i = comments.length - 2; i >= 0; i--) {
const comment = comments[ i ] as MCommentOwnerVideo
comment.originCommentId = firstReply.id
comment.inReplyToCommentId = comments[ i + 1 ].id
comment.videoId = video.id
comment.changed('updatedAt', true)
comment.Video = video
comments[i] = await comment.save()
}
resultComment = comments[0] as MCommentOwnerVideo
}
return { video, comment: resultComment, commentCreated }
}
async function resolveParentComment (params: ResolveThreadParams) {
const { url, comments } = params
if (comments.length > ACTIVITY_PUB.MAX_RECURSION_COMMENTS) {
throw new Error('Recursion limit reached when resolving a thread')
}
const { body } = await doRequest({
uri: url,
json: true,
activityPub: true
})
if (sanitizeAndCheckVideoCommentObject(body) === false) {
throw new Error('Remote video comment JSON is not valid:' + JSON.stringify(body))
}
const actorUrl = body.attributedTo
if (!actorUrl) throw new Error('Miss attributed to in comment')
if (checkUrlsSameHost(url, actorUrl) !== true) {
throw new Error(`Actor url ${actorUrl} has not the same host than the comment url ${url}`)
}
if (checkUrlsSameHost(body.id, url) !== true) {
throw new Error(`Comment url ${url} host is different from the AP object id ${body.id}`)
}
const actor = await getOrCreateActorAndServerAndModel(actorUrl, 'all')
const comment = new VideoCommentModel({
url: body.id,
text: body.content,
videoId: null,
accountId: actor.Account.id,
inReplyToCommentId: null,
originCommentId: null,
createdAt: new Date(body.published),
updatedAt: new Date(body.updated)
}) as MCommentOwner
comment.Account = actor.Account
return resolveThread({
url: body.inReplyTo,
comments: comments.concat([ comment ]),
commentCreated: true
})
}
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