1 import { map } from 'bluebird'
2 import { isArray } from '@server/helpers/custom-validators/misc'
3 import { logger, loggerTagsFactory } from '@server/helpers/logger'
4 import { CRAWL_REQUEST_CONCURRENCY } from '@server/initializers/constants'
5 import { sequelizeTypescript } from '@server/initializers/database'
6 import { updatePlaylistMiniatureFromUrl } from '@server/lib/thumbnail'
7 import { VideoPlaylistModel } from '@server/models/video/video-playlist'
8 import { VideoPlaylistElementModel } from '@server/models/video/video-playlist-element'
9 import { FilteredModelAttributes } from '@server/types'
10 import { MThumbnail, MVideoPlaylist, MVideoPlaylistFull, MVideoPlaylistVideosLength } from '@server/types/models'
11 import { PlaylistObject } from '@shared/models'
12 import { AttributesOnly } from '@shared/typescript-utils'
13 import { getAPId } from '../activity'
14 import { getOrCreateAPActor } from '../actors'
15 import { crawlCollectionPage } from '../crawl'
16 import { getOrCreateAPVideo } from '../videos'
18 fetchRemotePlaylistElement,
19 fetchRemoteVideoPlaylist,
20 playlistElementObjectToDBAttributes,
21 playlistObjectToDBAttributes
24 const lTags = loggerTagsFactory('ap', 'video-playlist')
26 async function createAccountPlaylists (playlistUrls: string[]) {
27 await map(playlistUrls, async playlistUrl => {
29 const exists = await VideoPlaylistModel.doesPlaylistExist(playlistUrl)
30 if (exists === true) return
32 const { playlistObject } = await fetchRemoteVideoPlaylist(playlistUrl)
34 if (playlistObject === undefined) {
35 throw new Error(`Cannot refresh remote playlist ${playlistUrl}: invalid body.`)
38 return createOrUpdateVideoPlaylist(playlistObject)
40 logger.warn('Cannot add playlist element %s.', playlistUrl, { err, ...lTags(playlistUrl) })
42 }, { concurrency: CRAWL_REQUEST_CONCURRENCY })
45 async function createOrUpdateVideoPlaylist (playlistObject: PlaylistObject, to?: string[]) {
46 const playlistAttributes = playlistObjectToDBAttributes(playlistObject, to || playlistObject.to)
48 await setVideoChannel(playlistObject, playlistAttributes)
50 const [ upsertPlaylist ] = await VideoPlaylistModel.upsert<MVideoPlaylistVideosLength>(playlistAttributes, { returning: true })
52 const playlistElementUrls = await fetchElementUrls(playlistObject)
54 // Refetch playlist from DB since elements fetching could be long in time
55 const playlist = await VideoPlaylistModel.loadWithAccountAndChannel(upsertPlaylist.id, null)
57 await updatePlaylistThumbnail(playlistObject, playlist)
59 const elementsLength = await rebuildVideoPlaylistElements(playlistElementUrls, playlist)
60 playlist.setVideosLength(elementsLength)
65 // ---------------------------------------------------------------------------
68 createAccountPlaylists,
69 createOrUpdateVideoPlaylist
72 // ---------------------------------------------------------------------------
74 async function setVideoChannel (playlistObject: PlaylistObject, playlistAttributes: AttributesOnly<VideoPlaylistModel>) {
75 if (!isArray(playlistObject.attributedTo) || playlistObject.attributedTo.length !== 1) {
76 throw new Error('Not attributed to for playlist object ' + getAPId(playlistObject))
79 const actor = await getOrCreateAPActor(playlistObject.attributedTo[0], 'all')
81 if (!actor.VideoChannel) {
82 logger.warn('Playlist "attributedTo" %s is not a video channel.', playlistObject.id, { playlistObject, ...lTags(playlistObject.id) })
86 playlistAttributes.videoChannelId = actor.VideoChannel.id
87 playlistAttributes.ownerAccountId = actor.VideoChannel.Account.id
90 async function fetchElementUrls (playlistObject: PlaylistObject) {
91 let accItems: string[] = []
92 await crawlCollectionPage<string>(playlistObject.id, items => {
93 accItems = accItems.concat(items)
95 return Promise.resolve()
101 async function updatePlaylistThumbnail (playlistObject: PlaylistObject, playlist: MVideoPlaylistFull) {
102 if (playlistObject.icon) {
103 let thumbnailModel: MThumbnail
106 thumbnailModel = await updatePlaylistMiniatureFromUrl({ downloadUrl: playlistObject.icon.url, playlist })
107 await playlist.setAndSaveThumbnail(thumbnailModel, undefined)
109 logger.warn('Cannot set thumbnail of %s.', playlistObject.id, { err, ...lTags(playlistObject.id, playlist.uuid, playlist.url) })
111 if (thumbnailModel) await thumbnailModel.removeThumbnail()
117 // Playlist does not have an icon, destroy existing one
118 if (playlist.hasThumbnail()) {
119 await playlist.Thumbnail.destroy()
120 playlist.Thumbnail = null
124 async function rebuildVideoPlaylistElements (elementUrls: string[], playlist: MVideoPlaylist) {
125 const elementsToCreate = await buildElementsDBAttributes(elementUrls, playlist)
127 await sequelizeTypescript.transaction(async t => {
128 await VideoPlaylistElementModel.deleteAllOf(playlist.id, t)
130 for (const element of elementsToCreate) {
131 await VideoPlaylistElementModel.create(element, { transaction: t })
135 logger.info('Rebuilt playlist %s with %s elements.', playlist.url, elementsToCreate.length, lTags(playlist.uuid, playlist.url))
137 return elementsToCreate.length
140 async function buildElementsDBAttributes (elementUrls: string[], playlist: MVideoPlaylist) {
141 const elementsToCreate: FilteredModelAttributes<VideoPlaylistElementModel>[] = []
143 await map(elementUrls, async elementUrl => {
145 const { elementObject } = await fetchRemotePlaylistElement(elementUrl)
147 const { video } = await getOrCreateAPVideo({ videoObject: { id: elementObject.url }, fetchType: 'only-video' })
149 elementsToCreate.push(playlistElementObjectToDBAttributes(elementObject, playlist, video))
151 logger.warn('Cannot add playlist element %s.', elementUrl, { err, ...lTags(playlist.uuid, playlist.url) })
153 }, { concurrency: CRAWL_REQUEST_CONCURRENCY })
155 return elementsToCreate