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418d092a C |
1 | import { PlaylistObject } from '../../../shared/models/activitypub/objects/playlist-object' |
2 | import { crawlCollectionPage } from './crawl' | |
e8bafea3 | 3 | import { ACTIVITY_PUB, CRAWL_REQUEST_CONCURRENCY } from '../../initializers/constants' |
418d092a C |
4 | import { isArray } from '../../helpers/custom-validators/misc' |
5 | import { getOrCreateActorAndServerAndModel } from './actor' | |
6 | import { logger } from '../../helpers/logger' | |
7 | import { VideoPlaylistModel } from '../../models/video/video-playlist' | |
e8bafea3 | 8 | import { doRequest } from '../../helpers/requests' |
418d092a C |
9 | import { checkUrlsSameHost } from '../../helpers/activitypub' |
10 | import * as Bluebird from 'bluebird' | |
11 | import { PlaylistElementObject } from '../../../shared/models/activitypub/objects/playlist-element-object' | |
12 | import { getOrCreateVideoAndAccountAndChannel } from './videos' | |
13 | import { isPlaylistElementObjectValid, isPlaylistObjectValid } from '../../helpers/custom-validators/activitypub/playlist' | |
14 | import { VideoPlaylistElementModel } from '../../models/video/video-playlist-element' | |
418d092a | 15 | import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model' |
74dc3bca | 16 | import { sequelizeTypescript } from '../../initializers/database' |
3acc5084 C |
17 | import { createPlaylistMiniatureFromUrl } from '../thumbnail' |
18 | import { FilteredModelAttributes } from '../../typings/sequelize' | |
453e83ea C |
19 | import { MAccountDefault, MAccountId, MVideoId } from '../../typings/models' |
20 | import { MVideoPlaylist, MVideoPlaylistId, MVideoPlaylistOwner } from '../../typings/models/video/video-playlist' | |
418d092a | 21 | |
453e83ea | 22 | function playlistObjectToDBAttributes (playlistObject: PlaylistObject, byAccount: MAccountId, to: string[]) { |
bdd428a6 C |
23 | const privacy = to.includes(ACTIVITY_PUB.PUBLIC) |
24 | ? VideoPlaylistPrivacy.PUBLIC | |
25 | : VideoPlaylistPrivacy.UNLISTED | |
418d092a C |
26 | |
27 | return { | |
28 | name: playlistObject.name, | |
29 | description: playlistObject.content, | |
30 | privacy, | |
31 | url: playlistObject.id, | |
32 | uuid: playlistObject.uuid, | |
33 | ownerAccountId: byAccount.id, | |
df0b219d C |
34 | videoChannelId: null, |
35 | createdAt: new Date(playlistObject.published), | |
36 | updatedAt: new Date(playlistObject.updated) | |
418d092a C |
37 | } |
38 | } | |
39 | ||
453e83ea | 40 | function playlistElementObjectToDBAttributes (elementObject: PlaylistElementObject, videoPlaylist: MVideoPlaylistId, video: MVideoId) { |
418d092a C |
41 | return { |
42 | position: elementObject.position, | |
43 | url: elementObject.id, | |
44 | startTimestamp: elementObject.startTimestamp || null, | |
45 | stopTimestamp: elementObject.stopTimestamp || null, | |
46 | videoPlaylistId: videoPlaylist.id, | |
47 | videoId: video.id | |
48 | } | |
49 | } | |
50 | ||
453e83ea | 51 | async function createAccountPlaylists (playlistUrls: string[], account: MAccountDefault) { |
418d092a C |
52 | await Bluebird.map(playlistUrls, async playlistUrl => { |
53 | try { | |
54 | const exists = await VideoPlaylistModel.doesPlaylistExist(playlistUrl) | |
55 | if (exists === true) return | |
56 | ||
57 | // Fetch url | |
58 | const { body } = await doRequest<PlaylistObject>({ | |
59 | uri: playlistUrl, | |
60 | json: true, | |
61 | activityPub: true | |
62 | }) | |
63 | ||
64 | if (!isPlaylistObjectValid(body)) { | |
65 | throw new Error(`Invalid playlist object when fetch account playlists: ${JSON.stringify(body)}`) | |
66 | } | |
67 | ||
68 | if (!isArray(body.to)) { | |
69 | throw new Error('Playlist does not have an audience.') | |
70 | } | |
71 | ||
72 | return createOrUpdateVideoPlaylist(body, account, body.to) | |
73 | } catch (err) { | |
74 | logger.warn('Cannot add playlist element %s.', playlistUrl, { err }) | |
75 | } | |
76 | }, { concurrency: CRAWL_REQUEST_CONCURRENCY }) | |
77 | } | |
78 | ||
453e83ea | 79 | async function createOrUpdateVideoPlaylist (playlistObject: PlaylistObject, byAccount: MAccountId, to: string[]) { |
418d092a C |
80 | const playlistAttributes = playlistObjectToDBAttributes(playlistObject, byAccount, to) |
81 | ||
82 | if (isArray(playlistObject.attributedTo) && playlistObject.attributedTo.length === 1) { | |
83 | const actor = await getOrCreateActorAndServerAndModel(playlistObject.attributedTo[0]) | |
84 | ||
85 | if (actor.VideoChannel) { | |
86 | playlistAttributes.videoChannelId = actor.VideoChannel.id | |
87 | } else { | |
88 | logger.warn('Attributed to of video playlist %s is not a video channel.', playlistObject.id, { playlistObject }) | |
89 | } | |
90 | } | |
91 | ||
453e83ea | 92 | const [ playlist ] = await VideoPlaylistModel.upsert<MVideoPlaylist>(playlistAttributes, { returning: true }) |
418d092a C |
93 | |
94 | let accItems: string[] = [] | |
95 | await crawlCollectionPage<string>(playlistObject.id, items => { | |
96 | accItems = accItems.concat(items) | |
97 | ||
98 | return Promise.resolve() | |
99 | }) | |
100 | ||
e8bafea3 C |
101 | const refreshedPlaylist = await VideoPlaylistModel.loadWithAccountAndChannel(playlist.id, null) |
102 | ||
103 | if (playlistObject.icon) { | |
418d092a | 104 | try { |
3acc5084 C |
105 | const thumbnailModel = await createPlaylistMiniatureFromUrl(playlistObject.icon.url, refreshedPlaylist) |
106 | await refreshedPlaylist.setAndSaveThumbnail(thumbnailModel, undefined) | |
418d092a C |
107 | } catch (err) { |
108 | logger.warn('Cannot generate thumbnail of %s.', playlistObject.id, { err }) | |
109 | } | |
65af03a2 C |
110 | } else if (refreshedPlaylist.hasThumbnail()) { |
111 | await refreshedPlaylist.Thumbnail.destroy() | |
112 | refreshedPlaylist.Thumbnail = null | |
418d092a C |
113 | } |
114 | ||
e8bafea3 | 115 | return resetVideoPlaylistElements(accItems, refreshedPlaylist) |
418d092a C |
116 | } |
117 | ||
453e83ea | 118 | async function refreshVideoPlaylistIfNeeded (videoPlaylist: MVideoPlaylistOwner): Promise<MVideoPlaylistOwner> { |
9f79ade6 C |
119 | if (!videoPlaylist.isOutdated()) return videoPlaylist |
120 | ||
121 | try { | |
122 | const { statusCode, playlistObject } = await fetchRemoteVideoPlaylist(videoPlaylist.url) | |
123 | if (statusCode === 404) { | |
124 | logger.info('Cannot refresh remote video playlist %s: it does not exist anymore. Deleting it.', videoPlaylist.url) | |
125 | ||
126 | await videoPlaylist.destroy() | |
127 | return undefined | |
128 | } | |
129 | ||
130 | if (playlistObject === undefined) { | |
131 | logger.warn('Cannot refresh remote playlist %s: invalid body.', videoPlaylist.url) | |
132 | ||
133 | await videoPlaylist.setAsRefreshed() | |
134 | return videoPlaylist | |
135 | } | |
136 | ||
137 | const byAccount = videoPlaylist.OwnerAccount | |
138 | await createOrUpdateVideoPlaylist(playlistObject, byAccount, playlistObject.to) | |
139 | ||
140 | return videoPlaylist | |
141 | } catch (err) { | |
142 | logger.warn('Cannot refresh video playlist %s.', videoPlaylist.url, { err }) | |
143 | ||
144 | await videoPlaylist.setAsRefreshed() | |
145 | return videoPlaylist | |
146 | } | |
147 | } | |
148 | ||
418d092a C |
149 | // --------------------------------------------------------------------------- |
150 | ||
151 | export { | |
152 | createAccountPlaylists, | |
153 | playlistObjectToDBAttributes, | |
154 | playlistElementObjectToDBAttributes, | |
9f79ade6 C |
155 | createOrUpdateVideoPlaylist, |
156 | refreshVideoPlaylistIfNeeded | |
418d092a C |
157 | } |
158 | ||
159 | // --------------------------------------------------------------------------- | |
160 | ||
453e83ea | 161 | async function resetVideoPlaylistElements (elementUrls: string[], playlist: MVideoPlaylist) { |
3acc5084 | 162 | const elementsToCreate: FilteredModelAttributes<VideoPlaylistElementModel>[] = [] |
418d092a C |
163 | |
164 | await Bluebird.map(elementUrls, async elementUrl => { | |
165 | try { | |
166 | // Fetch url | |
167 | const { body } = await doRequest<PlaylistElementObject>({ | |
168 | uri: elementUrl, | |
169 | json: true, | |
170 | activityPub: true | |
171 | }) | |
172 | ||
173 | if (!isPlaylistElementObjectValid(body)) throw new Error(`Invalid body in video get playlist element ${elementUrl}`) | |
174 | ||
175 | if (checkUrlsSameHost(body.id, elementUrl) !== true) { | |
176 | throw new Error(`Playlist element url ${elementUrl} host is different from the AP object id ${body.id}`) | |
177 | } | |
178 | ||
179 | const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: { id: body.url }, fetchType: 'only-video' }) | |
180 | ||
181 | elementsToCreate.push(playlistElementObjectToDBAttributes(body, playlist, video)) | |
182 | } catch (err) { | |
183 | logger.warn('Cannot add playlist element %s.', elementUrl, { err }) | |
184 | } | |
185 | }, { concurrency: CRAWL_REQUEST_CONCURRENCY }) | |
186 | ||
187 | await sequelizeTypescript.transaction(async t => { | |
188 | await VideoPlaylistElementModel.deleteAllOf(playlist.id, t) | |
189 | ||
190 | for (const element of elementsToCreate) { | |
191 | await VideoPlaylistElementModel.create(element, { transaction: t }) | |
192 | } | |
193 | }) | |
194 | ||
195 | logger.info('Reset playlist %s with %s elements.', playlist.url, elementsToCreate.length) | |
196 | ||
197 | return undefined | |
198 | } | |
199 | ||
9f79ade6 C |
200 | async function fetchRemoteVideoPlaylist (playlistUrl: string): Promise<{ statusCode: number, playlistObject: PlaylistObject }> { |
201 | const options = { | |
202 | uri: playlistUrl, | |
203 | method: 'GET', | |
204 | json: true, | |
205 | activityPub: true | |
206 | } | |
207 | ||
208 | logger.info('Fetching remote playlist %s.', playlistUrl) | |
209 | ||
bdd428a6 | 210 | const { response, body } = await doRequest<any>(options) |
9f79ade6 C |
211 | |
212 | if (isPlaylistObjectValid(body) === false || checkUrlsSameHost(body.id, playlistUrl) !== true) { | |
213 | logger.debug('Remote video playlist JSON is not valid.', { body }) | |
214 | return { statusCode: response.statusCode, playlistObject: undefined } | |
215 | } | |
216 | ||
217 | return { statusCode: response.statusCode, playlistObject: body } | |
218 | } |