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