Add ability to forbid followers
[oweals/peertube.git] / server / controllers / api / video-playlist.ts
1 import * as express from 'express'
2 import { getFormattedObjects, getServerActor } from '../../helpers/utils'
3 import {
4   asyncMiddleware,
5   asyncRetryTransactionMiddleware,
6   authenticate,
7   commonVideosFiltersValidator,
8   optionalAuthenticate,
9   paginationValidator,
10   setDefaultPagination,
11   setDefaultSort
12 } from '../../middlewares'
13 import { videoPlaylistsSortValidator } from '../../middlewares/validators'
14 import { buildNSFWFilter, createReqFiles, isUserAbleToSearchRemoteURI } from '../../helpers/express-utils'
15 import { CONFIG, MIMETYPES, sequelizeTypescript, THUMBNAILS_SIZE, VIDEO_PLAYLIST_PRIVACIES } from '../../initializers'
16 import { logger } from '../../helpers/logger'
17 import { resetSequelizeInstance } from '../../helpers/database-utils'
18 import { VideoPlaylistModel } from '../../models/video/video-playlist'
19 import {
20   commonVideoPlaylistFiltersValidator,
21   videoPlaylistsAddValidator,
22   videoPlaylistsAddVideoValidator,
23   videoPlaylistsDeleteValidator,
24   videoPlaylistsGetValidator,
25   videoPlaylistsReorderVideosValidator,
26   videoPlaylistsUpdateOrRemoveVideoValidator,
27   videoPlaylistsUpdateValidator
28 } from '../../middlewares/validators/videos/video-playlists'
29 import { VideoPlaylistCreate } from '../../../shared/models/videos/playlist/video-playlist-create.model'
30 import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
31 import { processImage } from '../../helpers/image-utils'
32 import { join } from 'path'
33 import { sendCreateVideoPlaylist, sendDeleteVideoPlaylist, sendUpdateVideoPlaylist } from '../../lib/activitypub/send'
34 import { getVideoPlaylistActivityPubUrl, getVideoPlaylistElementActivityPubUrl } from '../../lib/activitypub/url'
35 import { VideoPlaylistUpdate } from '../../../shared/models/videos/playlist/video-playlist-update.model'
36 import { VideoModel } from '../../models/video/video'
37 import { VideoPlaylistElementModel } from '../../models/video/video-playlist-element'
38 import { VideoPlaylistElementCreate } from '../../../shared/models/videos/playlist/video-playlist-element-create.model'
39 import { VideoPlaylistElementUpdate } from '../../../shared/models/videos/playlist/video-playlist-element-update.model'
40 import { copy, pathExists } from 'fs-extra'
41 import { AccountModel } from '../../models/account/account'
42 import { VideoPlaylistReorder } from '../../../shared/models/videos/playlist/video-playlist-reorder.model'
43 import { JobQueue } from '../../lib/job-queue'
44
45 const reqThumbnailFile = createReqFiles([ 'thumbnailfile' ], MIMETYPES.IMAGE.MIMETYPE_EXT, { thumbnailfile: CONFIG.STORAGE.TMP_DIR })
46
47 const videoPlaylistRouter = express.Router()
48
49 videoPlaylistRouter.get('/privacies', listVideoPlaylistPrivacies)
50
51 videoPlaylistRouter.get('/',
52   paginationValidator,
53   videoPlaylistsSortValidator,
54   setDefaultSort,
55   setDefaultPagination,
56   commonVideoPlaylistFiltersValidator,
57   asyncMiddleware(listVideoPlaylists)
58 )
59
60 videoPlaylistRouter.get('/:playlistId',
61   asyncMiddleware(videoPlaylistsGetValidator),
62   getVideoPlaylist
63 )
64
65 videoPlaylistRouter.post('/',
66   authenticate,
67   reqThumbnailFile,
68   asyncMiddleware(videoPlaylistsAddValidator),
69   asyncRetryTransactionMiddleware(addVideoPlaylist)
70 )
71
72 videoPlaylistRouter.put('/:playlistId',
73   authenticate,
74   reqThumbnailFile,
75   asyncMiddleware(videoPlaylistsUpdateValidator),
76   asyncRetryTransactionMiddleware(updateVideoPlaylist)
77 )
78
79 videoPlaylistRouter.delete('/:playlistId',
80   authenticate,
81   asyncMiddleware(videoPlaylistsDeleteValidator),
82   asyncRetryTransactionMiddleware(removeVideoPlaylist)
83 )
84
85 videoPlaylistRouter.get('/:playlistId/videos',
86   asyncMiddleware(videoPlaylistsGetValidator),
87   paginationValidator,
88   setDefaultPagination,
89   optionalAuthenticate,
90   commonVideosFiltersValidator,
91   asyncMiddleware(getVideoPlaylistVideos)
92 )
93
94 videoPlaylistRouter.post('/:playlistId/videos',
95   authenticate,
96   asyncMiddleware(videoPlaylistsAddVideoValidator),
97   asyncRetryTransactionMiddleware(addVideoInPlaylist)
98 )
99
100 videoPlaylistRouter.post('/:playlistId/videos/reorder',
101   authenticate,
102   asyncMiddleware(videoPlaylistsReorderVideosValidator),
103   asyncRetryTransactionMiddleware(reorderVideosPlaylist)
104 )
105
106 videoPlaylistRouter.put('/:playlistId/videos/:videoId',
107   authenticate,
108   asyncMiddleware(videoPlaylistsUpdateOrRemoveVideoValidator),
109   asyncRetryTransactionMiddleware(updateVideoPlaylistElement)
110 )
111
112 videoPlaylistRouter.delete('/:playlistId/videos/:videoId',
113   authenticate,
114   asyncMiddleware(videoPlaylistsUpdateOrRemoveVideoValidator),
115   asyncRetryTransactionMiddleware(removeVideoFromPlaylist)
116 )
117
118 // ---------------------------------------------------------------------------
119
120 export {
121   videoPlaylistRouter
122 }
123
124 // ---------------------------------------------------------------------------
125
126 function listVideoPlaylistPrivacies (req: express.Request, res: express.Response) {
127   res.json(VIDEO_PLAYLIST_PRIVACIES)
128 }
129
130 async function listVideoPlaylists (req: express.Request, res: express.Response) {
131   const serverActor = await getServerActor()
132   const resultList = await VideoPlaylistModel.listForApi({
133     followerActorId: serverActor.id,
134     start: req.query.start,
135     count: req.query.count,
136     sort: req.query.sort,
137     type: req.query.type
138   })
139
140   return res.json(getFormattedObjects(resultList.data, resultList.total))
141 }
142
143 function getVideoPlaylist (req: express.Request, res: express.Response) {
144   const videoPlaylist = res.locals.videoPlaylist
145
146   if (videoPlaylist.isOutdated()) {
147     JobQueue.Instance.createJob({ type: 'activitypub-refresher', payload: { type: 'video-playlist', url: videoPlaylist.url } })
148             .catch(err => logger.error('Cannot create AP refresher job for playlist %s.', videoPlaylist.url, { err }))
149   }
150
151   return res.json(videoPlaylist.toFormattedJSON())
152 }
153
154 async function addVideoPlaylist (req: express.Request, res: express.Response) {
155   const videoPlaylistInfo: VideoPlaylistCreate = req.body
156   const user = res.locals.oauth.token.User
157
158   const videoPlaylist = new VideoPlaylistModel({
159     name: videoPlaylistInfo.displayName,
160     description: videoPlaylistInfo.description,
161     privacy: videoPlaylistInfo.privacy || VideoPlaylistPrivacy.PRIVATE,
162     ownerAccountId: user.Account.id
163   })
164
165   videoPlaylist.url = getVideoPlaylistActivityPubUrl(videoPlaylist) // We use the UUID, so set the URL after building the object
166
167   if (videoPlaylistInfo.videoChannelId) {
168     const videoChannel = res.locals.videoChannel
169
170     videoPlaylist.videoChannelId = videoChannel.id
171     videoPlaylist.VideoChannel = videoChannel
172   }
173
174   const thumbnailField = req.files['thumbnailfile']
175   if (thumbnailField) {
176     const thumbnailPhysicalFile = thumbnailField[ 0 ]
177     await processImage(thumbnailPhysicalFile, join(CONFIG.STORAGE.THUMBNAILS_DIR, videoPlaylist.getThumbnailName()), THUMBNAILS_SIZE)
178   }
179
180   const videoPlaylistCreated: VideoPlaylistModel = await sequelizeTypescript.transaction(async t => {
181     const videoPlaylistCreated = await videoPlaylist.save({ transaction: t })
182
183     // We need more attributes for the federation
184     videoPlaylistCreated.OwnerAccount = await AccountModel.load(user.Account.id, t)
185     await sendCreateVideoPlaylist(videoPlaylistCreated, t)
186
187     return videoPlaylistCreated
188   })
189
190   logger.info('Video playlist with uuid %s created.', videoPlaylist.uuid)
191
192   return res.json({
193     videoPlaylist: {
194       id: videoPlaylistCreated.id,
195       uuid: videoPlaylistCreated.uuid
196     }
197   }).end()
198 }
199
200 async function updateVideoPlaylist (req: express.Request, res: express.Response) {
201   const videoPlaylistInstance = res.locals.videoPlaylist
202   const videoPlaylistFieldsSave = videoPlaylistInstance.toJSON()
203   const videoPlaylistInfoToUpdate = req.body as VideoPlaylistUpdate
204   const wasPrivatePlaylist = videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE
205
206   const thumbnailField = req.files['thumbnailfile']
207   if (thumbnailField) {
208     const thumbnailPhysicalFile = thumbnailField[ 0 ]
209     await processImage(
210       thumbnailPhysicalFile,
211       join(CONFIG.STORAGE.THUMBNAILS_DIR, videoPlaylistInstance.getThumbnailName()),
212       THUMBNAILS_SIZE
213     )
214   }
215
216   try {
217     await sequelizeTypescript.transaction(async t => {
218       const sequelizeOptions = {
219         transaction: t
220       }
221
222       if (videoPlaylistInfoToUpdate.videoChannelId !== undefined) {
223         if (videoPlaylistInfoToUpdate.videoChannelId === null) {
224           videoPlaylistInstance.videoChannelId = null
225         } else {
226           const videoChannel = res.locals.videoChannel
227
228           videoPlaylistInstance.videoChannelId = videoChannel.id
229           videoPlaylistInstance.VideoChannel = videoChannel
230         }
231       }
232
233       if (videoPlaylistInfoToUpdate.displayName !== undefined) videoPlaylistInstance.name = videoPlaylistInfoToUpdate.displayName
234       if (videoPlaylistInfoToUpdate.description !== undefined) videoPlaylistInstance.description = videoPlaylistInfoToUpdate.description
235
236       if (videoPlaylistInfoToUpdate.privacy !== undefined) {
237         videoPlaylistInstance.privacy = parseInt(videoPlaylistInfoToUpdate.privacy.toString(), 10)
238       }
239
240       const playlistUpdated = await videoPlaylistInstance.save(sequelizeOptions)
241
242       const isNewPlaylist = wasPrivatePlaylist && playlistUpdated.privacy !== VideoPlaylistPrivacy.PRIVATE
243
244       if (isNewPlaylist) {
245         await sendCreateVideoPlaylist(playlistUpdated, t)
246       } else {
247         await sendUpdateVideoPlaylist(playlistUpdated, t)
248       }
249
250       logger.info('Video playlist %s updated.', videoPlaylistInstance.uuid)
251
252       return playlistUpdated
253     })
254   } catch (err) {
255     logger.debug('Cannot update the video playlist.', { err })
256
257     // Force fields we want to update
258     // If the transaction is retried, sequelize will think the object has not changed
259     // So it will skip the SQL request, even if the last one was ROLLBACKed!
260     resetSequelizeInstance(videoPlaylistInstance, videoPlaylistFieldsSave)
261
262     throw err
263   }
264
265   return res.type('json').status(204).end()
266 }
267
268 async function removeVideoPlaylist (req: express.Request, res: express.Response) {
269   const videoPlaylistInstance = res.locals.videoPlaylist
270
271   await sequelizeTypescript.transaction(async t => {
272     await videoPlaylistInstance.destroy({ transaction: t })
273
274     await sendDeleteVideoPlaylist(videoPlaylistInstance, t)
275
276     logger.info('Video playlist %s deleted.', videoPlaylistInstance.uuid)
277   })
278
279   return res.type('json').status(204).end()
280 }
281
282 async function addVideoInPlaylist (req: express.Request, res: express.Response) {
283   const body: VideoPlaylistElementCreate = req.body
284   const videoPlaylist = res.locals.videoPlaylist
285   const video = res.locals.video
286
287   const playlistElement: VideoPlaylistElementModel = await sequelizeTypescript.transaction(async t => {
288     const position = await VideoPlaylistElementModel.getNextPositionOf(videoPlaylist.id, t)
289
290     const playlistElement = await VideoPlaylistElementModel.create({
291       url: getVideoPlaylistElementActivityPubUrl(videoPlaylist, video),
292       position,
293       startTimestamp: body.startTimestamp || null,
294       stopTimestamp: body.stopTimestamp || null,
295       videoPlaylistId: videoPlaylist.id,
296       videoId: video.id
297     }, { transaction: t })
298
299     videoPlaylist.changed('updatedAt', true)
300     await videoPlaylist.save({ transaction: t })
301
302     await sendUpdateVideoPlaylist(videoPlaylist, t)
303
304     return playlistElement
305   })
306
307   // If the user did not set a thumbnail, automatically take the video thumbnail
308   if (playlistElement.position === 1) {
309     const playlistThumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, videoPlaylist.getThumbnailName())
310
311     if (await pathExists(playlistThumbnailPath) === false) {
312       logger.info('Generating default thumbnail to playlist %s.', videoPlaylist.url)
313
314       const videoThumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, video.getThumbnailName())
315       await copy(videoThumbnailPath, playlistThumbnailPath)
316     }
317   }
318
319   logger.info('Video added in playlist %s at position %d.', videoPlaylist.uuid, playlistElement.position)
320
321   return res.json({
322     videoPlaylistElement: {
323       id: playlistElement.id
324     }
325   }).end()
326 }
327
328 async function updateVideoPlaylistElement (req: express.Request, res: express.Response) {
329   const body: VideoPlaylistElementUpdate = req.body
330   const videoPlaylist = res.locals.videoPlaylist
331   const videoPlaylistElement = res.locals.videoPlaylistElement
332
333   const playlistElement: VideoPlaylistElementModel = await sequelizeTypescript.transaction(async t => {
334     if (body.startTimestamp !== undefined) videoPlaylistElement.startTimestamp = body.startTimestamp
335     if (body.stopTimestamp !== undefined) videoPlaylistElement.stopTimestamp = body.stopTimestamp
336
337     const element = await videoPlaylistElement.save({ transaction: t })
338
339     videoPlaylist.changed('updatedAt', true)
340     await videoPlaylist.save({ transaction: t })
341
342     await sendUpdateVideoPlaylist(videoPlaylist, t)
343
344     return element
345   })
346
347   logger.info('Element of position %d of playlist %s updated.', playlistElement.position, videoPlaylist.uuid)
348
349   return res.type('json').status(204).end()
350 }
351
352 async function removeVideoFromPlaylist (req: express.Request, res: express.Response) {
353   const videoPlaylistElement = res.locals.videoPlaylistElement
354   const videoPlaylist = res.locals.videoPlaylist
355   const positionToDelete = videoPlaylistElement.position
356
357   await sequelizeTypescript.transaction(async t => {
358     await videoPlaylistElement.destroy({ transaction: t })
359
360     // Decrease position of the next elements
361     await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, positionToDelete, null, -1, t)
362
363     videoPlaylist.changed('updatedAt', true)
364     await videoPlaylist.save({ transaction: t })
365
366     await sendUpdateVideoPlaylist(videoPlaylist, t)
367
368     logger.info('Video playlist element %d of playlist %s deleted.', videoPlaylistElement.position, videoPlaylist.uuid)
369   })
370
371   return res.type('json').status(204).end()
372 }
373
374 async function reorderVideosPlaylist (req: express.Request, res: express.Response) {
375   const videoPlaylist = res.locals.videoPlaylist
376   const body: VideoPlaylistReorder = req.body
377
378   const start: number = body.startPosition
379   const insertAfter: number = body.insertAfterPosition
380   const reorderLength: number = body.reorderLength || 1
381
382   if (start === insertAfter) {
383     return res.status(204).end()
384   }
385
386   // Example: if we reorder position 2 and insert after position 5 (so at position 6): # 1 2 3 4 5 6 7 8 9
387   //  * increase position when position > 5 # 1 2 3 4 5 7 8 9 10
388   //  * update position 2 -> position 6 # 1 3 4 5 6 7 8 9 10
389   //  * decrease position when position position > 2 # 1 2 3 4 5 6 7 8 9
390   await sequelizeTypescript.transaction(async t => {
391     const newPosition = insertAfter + 1
392
393     // Add space after the position when we want to insert our reordered elements (increase)
394     await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, newPosition, null, reorderLength, t)
395
396     let oldPosition = start
397
398     // We incremented the position of the elements we want to reorder
399     if (start >= newPosition) oldPosition += reorderLength
400
401     const endOldPosition = oldPosition + reorderLength - 1
402     // Insert our reordered elements in their place (update)
403     await VideoPlaylistElementModel.reassignPositionOf(videoPlaylist.id, oldPosition, endOldPosition, newPosition, t)
404
405     // Decrease positions of elements after the old position of our ordered elements (decrease)
406     await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, oldPosition, null, -reorderLength, t)
407
408     videoPlaylist.changed('updatedAt', true)
409     await videoPlaylist.save({ transaction: t })
410
411     await sendUpdateVideoPlaylist(videoPlaylist, t)
412   })
413
414   logger.info(
415     'Reordered playlist %s (inserted after %d elements %d - %d).',
416     videoPlaylist.uuid, insertAfter, start, start + reorderLength - 1
417   )
418
419   return res.type('json').status(204).end()
420 }
421
422 async function getVideoPlaylistVideos (req: express.Request, res: express.Response) {
423   const videoPlaylistInstance = res.locals.videoPlaylist
424   const followerActorId = isUserAbleToSearchRemoteURI(res) ? null : undefined
425
426   const resultList = await VideoModel.listForApi({
427     followerActorId,
428     start: req.query.start,
429     count: req.query.count,
430     sort: 'VideoPlaylistElements.position',
431     includeLocalVideos: true,
432     categoryOneOf: req.query.categoryOneOf,
433     licenceOneOf: req.query.licenceOneOf,
434     languageOneOf: req.query.languageOneOf,
435     tagsOneOf: req.query.tagsOneOf,
436     tagsAllOf: req.query.tagsAllOf,
437     filter: req.query.filter,
438     nsfw: buildNSFWFilter(res, req.query.nsfw),
439     withFiles: false,
440     videoPlaylistId: videoPlaylistInstance.id,
441     user: res.locals.oauth ? res.locals.oauth.token.User : undefined
442   })
443
444   const additionalAttributes = { playlistInfo: true }
445   return res.json(getFormattedObjects(resultList.data, resultList.total, { additionalAttributes }))
446 }