+function videoFileActivityUrlToDBAttributes (videoCreated: VideoModel, videoObject: VideoTorrentObject) {
+ const mimeTypes = Object.keys(VIDEO_MIMETYPE_EXT)
+ const fileUrls = videoObject.url.filter(u => {
+ return mimeTypes.indexOf(u.mimeType) !== -1 && u.mimeType.startsWith('video/')
+ })
+
+ if (fileUrls.length === 0) {
+ throw new Error('Cannot find video files for ' + videoCreated.url)
+ }
+
+ const attributes = []
+ for (const fileUrl of fileUrls) {
+ // Fetch associated magnet uri
+ const magnet = videoObject.url.find(u => {
+ return u.mimeType === 'application/x-bittorrent;x-scheme-handler/magnet' && u.width === fileUrl.width
+ })
+
+ if (!magnet) throw new Error('Cannot find associated magnet uri for file ' + fileUrl.href)
+
+ const parsed = magnetUtil.decode(magnet.href)
+ if (!parsed || isVideoFileInfoHashValid(parsed.infoHash) === false) throw new Error('Cannot parse magnet URI ' + magnet.href)
+
+ const attribute = {
+ extname: VIDEO_MIMETYPE_EXT[ fileUrl.mimeType ],
+ infoHash: parsed.infoHash,
+ resolution: fileUrl.width,
+ size: fileUrl.size,
+ videoId: videoCreated.id
+ }
+ attributes.push(attribute)
+ }
+
+ return attributes
+}
+
+function getOrCreateVideoChannel (videoObject: VideoTorrentObject) {
+ const channel = videoObject.attributedTo.find(a => a.type === 'Group')
+ if (!channel) throw new Error('Cannot find associated video channel to video ' + videoObject.url)
+
+ return getOrCreateActorAndServerAndModel(channel.id)
+}
+
+async function getOrCreateVideo (videoObject: VideoTorrentObject, channelActor: ActorModel) {
+ logger.debug('Adding remote video %s.', videoObject.id)
+
+ return sequelizeTypescript.transaction(async t => {
+ const sequelizeOptions = {
+ transaction: t
+ }
+ const videoFromDatabase = await VideoModel.loadByUUIDOrURLAndPopulateAccount(videoObject.uuid, videoObject.id, t)
+ if (videoFromDatabase) return videoFromDatabase
+
+ const videoData = await videoActivityObjectToDBAttributes(channelActor.VideoChannel, videoObject, videoObject.to)
+ const video = VideoModel.build(videoData)
+
+ // Don't block on request
+ generateThumbnailFromUrl(video, videoObject.icon)
+ .catch(err => logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err }))
+
+ const videoCreated = await video.save(sequelizeOptions)
+
+ const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject)
+ if (videoFileAttributes.length === 0) {
+ throw new Error('Cannot find valid files for video %s ' + videoObject.url)
+ }
+
+ const tasks = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
+ await Promise.all(tasks)
+
+ const tags = videoObject.tag.map(t => t.name)
+ const tagInstances = await TagModel.findOrCreateTags(tags, t)
+ await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
+
+ logger.info('Remote video with uuid %s inserted.', videoObject.uuid)
+
+ videoCreated.VideoChannel = channelActor.VideoChannel
+ return videoCreated
+ })
+}
+
+async function getOrCreateAccountAndVideoAndChannel (videoObject: VideoTorrentObject | string, actor?: ActorModel) {
+ if (typeof videoObject === 'string') {
+ const videoUrl = videoObject
+
+ const videoFromDatabase = await VideoModel.loadByUrlAndPopulateAccount(videoUrl)
+ if (videoFromDatabase) {
+ return {
+ video: videoFromDatabase,
+ actor: videoFromDatabase.VideoChannel.Account.Actor,
+ channelActor: videoFromDatabase.VideoChannel.Actor
+ }
+ }
+
+ videoObject = await fetchRemoteVideo(videoUrl)
+ if (!videoObject) throw new Error('Cannot fetch remote video with url: ' + videoUrl)
+ }
+
+ if (!actor) {
+ const actorObj = videoObject.attributedTo.find(a => a.type === 'Person')
+ if (!actorObj) throw new Error('Cannot find associated actor to video ' + videoObject.url)
+
+ actor = await getOrCreateActorAndServerAndModel(actorObj.id)
+ }
+
+ const channelActor = await getOrCreateVideoChannel(videoObject)
+
+ const options = {
+ arguments: [ videoObject, channelActor ],
+ errorMessage: 'Cannot insert the remote video with many retries.'
+ }
+
+ const video = await retryTransactionWrapper(getOrCreateVideo, options)
+
+ // Process outside the transaction because we could fetch remote data
+ logger.info('Adding likes of video %s.', video.uuid)
+ await crawlCollectionPage<string>(videoObject.likes, (items) => createRates(items, video, 'like'))
+
+ logger.info('Adding dislikes of video %s.', video.uuid)
+ await crawlCollectionPage<string>(videoObject.dislikes, (items) => createRates(items, video, 'dislike'))
+
+ logger.info('Adding shares of video %s.', video.uuid)
+ await crawlCollectionPage<string>(videoObject.shares, (items) => addVideoShares(items, video))
+
+ logger.info('Adding comments of video %s.', video.uuid)
+ await crawlCollectionPage<string>(videoObject.comments, (items) => addVideoComments(items, video))
+
+ return { actor, channelActor, video }
+}
+
+async function createRates (actorUrls: string[], video: VideoModel, rate: VideoRateType) {
+ let rateCounts = 0
+ const tasks: Bluebird<number>[] = []
+
+ for (const actorUrl of actorUrls) {
+ const actor = await getOrCreateActorAndServerAndModel(actorUrl)
+ const p = AccountVideoRateModel
+ .create({
+ videoId: video.id,
+ accountId: actor.Account.id,
+ type: rate
+ })
+ .then(() => rateCounts += 1)
+
+ tasks.push(p)
+ }
+
+ await Promise.all(tasks)
+
+ logger.info('Adding %d %s to video %s.', rateCounts, rate, video.uuid)
+
+ // This is "likes" and "dislikes"
+ await video.increment(rate + 's', { by: rateCounts })
+
+ return
+}
+
+async function addVideoShares (shareUrls: string[], instance: VideoModel) {
+ for (const shareUrl of shareUrls) {
+ // Fetch url
+ const { body } = await doRequest({
+ uri: shareUrl,
+ json: true,
+ activityPub: true
+ })
+ if (!body || !body.actor) {
+ logger.warn('Cannot add remote share with url: %s, skipping...', shareUrl)
+ continue
+ }
+
+ const actorUrl = body.actor
+ const actor = await getOrCreateActorAndServerAndModel(actorUrl)
+
+ const entry = {
+ actorId: actor.id,
+ videoId: instance.id,
+ url: shareUrl
+ }
+
+ await VideoShareModel.findOrCreate({
+ where: {
+ url: shareUrl
+ },
+ defaults: entry
+ })
+ }