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 { VideoChannelModel } from '../../models/video/video-channel'
  14 import { videoPlaylistsSortValidator } from '../../middlewares/validators'
  15 import { buildNSFWFilter, createReqFiles, isUserAbleToSearchRemoteURI } from '../../helpers/express-utils'
  16 import { CONFIG, MIMETYPES, sequelizeTypescript, THUMBNAILS_SIZE, VIDEO_PLAYLIST_PRIVACIES } from '../../initializers'
  17 import { logger } from '../../helpers/logger'
  18 import { resetSequelizeInstance } from '../../helpers/database-utils'
  19 import { VideoPlaylistModel } from '../../models/video/video-playlist'
  20 import {
  21   commonVideoPlaylistFiltersValidator,
  22   videoPlaylistsAddValidator,
  23   videoPlaylistsAddVideoValidator,
  24   videoPlaylistsDeleteValidator,
  25   videoPlaylistsGetValidator,
  26   videoPlaylistsReorderVideosValidator,
  27   videoPlaylistsUpdateOrRemoveVideoValidator,
  28   videoPlaylistsUpdateValidator
  29 } from '../../middlewares/validators/videos/video-playlists'
  30 import { VideoPlaylistCreate } from '../../../shared/models/videos/playlist/video-playlist-create.model'
  31 import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
  32 import { processImage } from '../../helpers/image-utils'
  33 import { join } from 'path'
  34 import { UserModel } from '../../models/account/user'
  35 import { sendCreateVideoPlaylist, sendDeleteVideoPlaylist, sendUpdateVideoPlaylist } from '../../lib/activitypub/send'
  36 import { getVideoPlaylistActivityPubUrl, getVideoPlaylistElementActivityPubUrl } from '../../lib/activitypub/url'
  37 import { VideoPlaylistUpdate } from '../../../shared/models/videos/playlist/video-playlist-update.model'
  38 import { VideoModel } from '../../models/video/video'
  39 import { VideoPlaylistElementModel } from '../../models/video/video-playlist-element'
  40 import { VideoPlaylistElementCreate } from '../../../shared/models/videos/playlist/video-playlist-element-create.model'
  41 import { VideoPlaylistElementUpdate } from '../../../shared/models/videos/playlist/video-playlist-element-update.model'
  42 import { copy, pathExists } from 'fs-extra'
  43 import { AccountModel } from '../../models/account/account'
  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 as VideoPlaylistModel
 145
 146   return res.json(videoPlaylist.toFormattedJSON())
 147 }
 148
 149 async function addVideoPlaylist (req: express.Request, res: express.Response) {
 150   const videoPlaylistInfo: VideoPlaylistCreate = req.body
 151   const user: UserModel = res.locals.oauth.token.User
 152
 153   const videoPlaylist = new VideoPlaylistModel({
 154     name: videoPlaylistInfo.displayName,
 155     description: videoPlaylistInfo.description,
 156     privacy: videoPlaylistInfo.privacy || VideoPlaylistPrivacy.PRIVATE,
 157     ownerAccountId: user.Account.id
 158   })
 159
 160   videoPlaylist.url = getVideoPlaylistActivityPubUrl(videoPlaylist) // We use the UUID, so set the URL after building the object
 161
 162   if (videoPlaylistInfo.videoChannelId) {
 163     const videoChannel = res.locals.videoChannel as VideoChannelModel
 164
 165     videoPlaylist.videoChannelId = videoChannel.id
 166     videoPlaylist.VideoChannel = videoChannel
 167   }
 168
 169   const thumbnailField = req.files['thumbnailfile']
 170   if (thumbnailField) {
 171     const thumbnailPhysicalFile = thumbnailField[ 0 ]
 172     await processImage(thumbnailPhysicalFile, join(CONFIG.STORAGE.THUMBNAILS_DIR, videoPlaylist.getThumbnailName()), THUMBNAILS_SIZE)
 173   }
 174
 175   const videoPlaylistCreated: VideoPlaylistModel = await sequelizeTypescript.transaction(async t => {
 176     const videoPlaylistCreated = await videoPlaylist.save({ transaction: t })
 177
 178     // We need more attributes for the federation
 179     videoPlaylistCreated.OwnerAccount = await AccountModel.load(user.Account.id, t)
 180     await sendCreateVideoPlaylist(videoPlaylistCreated, t)
 181
 182     return videoPlaylistCreated
 183   })
 184
 185   logger.info('Video playlist with uuid %s created.', videoPlaylist.uuid)
 186
 187   return res.json({
 188     videoPlaylist: {
 189       id: videoPlaylistCreated.id,
 190       uuid: videoPlaylistCreated.uuid
 191     }
 192   }).end()
 193 }
 194
 195 async function updateVideoPlaylist (req: express.Request, res: express.Response) {
 196   const videoPlaylistInstance = res.locals.videoPlaylist as VideoPlaylistModel
 197   const videoPlaylistFieldsSave = videoPlaylistInstance.toJSON()
 198   const videoPlaylistInfoToUpdate = req.body as VideoPlaylistUpdate
 199   const wasPrivatePlaylist = videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE
 200
 201   const thumbnailField = req.files['thumbnailfile']
 202   if (thumbnailField) {
 203     const thumbnailPhysicalFile = thumbnailField[ 0 ]
 204     await processImage(
 205       thumbnailPhysicalFile,
 206       join(CONFIG.STORAGE.THUMBNAILS_DIR, videoPlaylistInstance.getThumbnailName()),
 207       THUMBNAILS_SIZE
 208     )
 209   }
 210
 211   try {
 212     await sequelizeTypescript.transaction(async t => {
 213       const sequelizeOptions = {
 214         transaction: t
 215       }
 216
 217       if (videoPlaylistInfoToUpdate.videoChannelId !== undefined) {
 218         if (videoPlaylistInfoToUpdate.videoChannelId === null) {
 219           videoPlaylistInstance.videoChannelId = null
 220         } else {
 221           const videoChannel = res.locals.videoChannel as VideoChannelModel
 222
 223           videoPlaylistInstance.videoChannelId = videoChannel.id
 224           videoPlaylistInstance.VideoChannel = videoChannel
 225         }
 226       }
 227
 228       if (videoPlaylistInfoToUpdate.displayName !== undefined) videoPlaylistInstance.name = videoPlaylistInfoToUpdate.displayName
 229       if (videoPlaylistInfoToUpdate.description !== undefined) videoPlaylistInstance.description = videoPlaylistInfoToUpdate.description
 230
 231       if (videoPlaylistInfoToUpdate.privacy !== undefined) {
 232         videoPlaylistInstance.privacy = parseInt(videoPlaylistInfoToUpdate.privacy.toString(), 10)
 233       }
 234
 235       const playlistUpdated = await videoPlaylistInstance.save(sequelizeOptions)
 236
 237       const isNewPlaylist = wasPrivatePlaylist && playlistUpdated.privacy !== VideoPlaylistPrivacy.PRIVATE
 238
 239       if (isNewPlaylist) {
 240         await sendCreateVideoPlaylist(playlistUpdated, t)
 241       } else {
 242         await sendUpdateVideoPlaylist(playlistUpdated, t)
 243       }
 244
 245       logger.info('Video playlist %s updated.', videoPlaylistInstance.uuid)
 246
 247       return playlistUpdated
 248     })
 249   } catch (err) {
 250     logger.debug('Cannot update the video playlist.', { err })
 251
 252     // Force fields we want to update
 253     // If the transaction is retried, sequelize will think the object has not changed
 254     // So it will skip the SQL request, even if the last one was ROLLBACKed!
 255     resetSequelizeInstance(videoPlaylistInstance, videoPlaylistFieldsSave)
 256
 257     throw err
 258   }
 259
 260   return res.type('json').status(204).end()
 261 }
 262
 263 async function removeVideoPlaylist (req: express.Request, res: express.Response) {
 264   const videoPlaylistInstance: VideoPlaylistModel = res.locals.videoPlaylist
 265
 266   await sequelizeTypescript.transaction(async t => {
 267     await videoPlaylistInstance.destroy({ transaction: t })
 268
 269     await sendDeleteVideoPlaylist(videoPlaylistInstance, t)
 270
 271     logger.info('Video playlist %s deleted.', videoPlaylistInstance.uuid)
 272   })
 273
 274   return res.type('json').status(204).end()
 275 }
 276
 277 async function addVideoInPlaylist (req: express.Request, res: express.Response) {
 278   const body: VideoPlaylistElementCreate = req.body
 279   const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
 280   const video: VideoModel = res.locals.video
 281
 282   const playlistElement: VideoPlaylistElementModel = await sequelizeTypescript.transaction(async t => {
 283     const position = await VideoPlaylistElementModel.getNextPositionOf(videoPlaylist.id, t)
 284
 285     const playlistElement = await VideoPlaylistElementModel.create({
 286       url: getVideoPlaylistElementActivityPubUrl(videoPlaylist, video),
 287       position,
 288       startTimestamp: body.startTimestamp || null,
 289       stopTimestamp: body.stopTimestamp || null,
 290       videoPlaylistId: videoPlaylist.id,
 291       videoId: video.id
 292     }, { transaction: t })
 293
 294     // If the user did not set a thumbnail, automatically take the video thumbnail
 295     if (playlistElement.position === 1) {
 296       const playlistThumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, videoPlaylist.getThumbnailName())
 297
 298       if (await pathExists(playlistThumbnailPath) === false) {
 299         logger.info('Generating default thumbnail to playlist %s.', videoPlaylist.url)
 300
 301         const videoThumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, video.getThumbnailName())
 302         await copy(videoThumbnailPath, playlistThumbnailPath)
 303       }
 304     }
 305
 306     await sendUpdateVideoPlaylist(videoPlaylist, t)
 307
 308     return playlistElement
 309   })
 310
 311   logger.info('Video added in playlist %s at position %d.', videoPlaylist.uuid, playlistElement.position)
 312
 313   return res.json({
 314     videoPlaylistElement: {
 315       id: playlistElement.id
 316     }
 317   }).end()
 318 }
 319
 320 async function updateVideoPlaylistElement (req: express.Request, res: express.Response) {
 321   const body: VideoPlaylistElementUpdate = req.body
 322   const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
 323   const videoPlaylistElement: VideoPlaylistElementModel = res.locals.videoPlaylistElement
 324
 325   const playlistElement: VideoPlaylistElementModel = await sequelizeTypescript.transaction(async t => {
 326     if (body.startTimestamp !== undefined) videoPlaylistElement.startTimestamp = body.startTimestamp
 327     if (body.stopTimestamp !== undefined) videoPlaylistElement.stopTimestamp = body.stopTimestamp
 328
 329     const element = await videoPlaylistElement.save({ transaction: t })
 330
 331     await sendUpdateVideoPlaylist(videoPlaylist, t)
 332
 333     return element
 334   })
 335
 336   logger.info('Element of position %d of playlist %s updated.', playlistElement.position, videoPlaylist.uuid)
 337
 338   return res.type('json').status(204).end()
 339 }
 340
 341 async function removeVideoFromPlaylist (req: express.Request, res: express.Response) {
 342   const videoPlaylistElement: VideoPlaylistElementModel = res.locals.videoPlaylistElement
 343   const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
 344   const positionToDelete = videoPlaylistElement.position
 345
 346   await sequelizeTypescript.transaction(async t => {
 347     await videoPlaylistElement.destroy({ transaction: t })
 348
 349     // Decrease position of the next elements
 350     await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, positionToDelete, null, -1, t)
 351
 352     await sendUpdateVideoPlaylist(videoPlaylist, t)
 353
 354     logger.info('Video playlist element %d of playlist %s deleted.', videoPlaylistElement.position, videoPlaylist.uuid)
 355   })
 356
 357   return res.type('json').status(204).end()
 358 }
 359
 360 async function reorderVideosPlaylist (req: express.Request, res: express.Response) {
 361   const videoPlaylist: VideoPlaylistModel = res.locals.videoPlaylist
 362
 363   const start: number = req.body.startPosition
 364   const insertAfter: number = req.body.insertAfterPosition
 365   const reorderLength: number = req.body.reorderLength || 1
 366
 367   if (start === insertAfter) {
 368     return res.status(204).end()
 369   }
 370
 371   // Example: if we reorder position 2 and insert after position 5 (so at position 6): # 1 2 3 4 5 6 7 8 9
 372   //  * increase position when position > 5 # 1 2 3 4 5 7 8 9 10
 373   //  * update position 2 -> position 6 # 1 3 4 5 6 7 8 9 10
 374   //  * decrease position when position position > 2 # 1 2 3 4 5 6 7 8 9
 375   await sequelizeTypescript.transaction(async t => {
 376     const newPosition = insertAfter + 1
 377
 378     // Add space after the position when we want to insert our reordered elements (increase)
 379     await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, newPosition, null, reorderLength, t)
 380
 381     let oldPosition = start
 382
 383     // We incremented the position of the elements we want to reorder
 384     if (start >= newPosition) oldPosition += reorderLength
 385
 386     const endOldPosition = oldPosition + reorderLength - 1
 387     // Insert our reordered elements in their place (update)
 388     await VideoPlaylistElementModel.reassignPositionOf(videoPlaylist.id, oldPosition, endOldPosition, newPosition, t)
 389
 390     // Decrease positions of elements after the old position of our ordered elements (decrease)
 391     await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, oldPosition, null, -reorderLength, t)
 392
 393     await sendUpdateVideoPlaylist(videoPlaylist, t)
 394   })
 395
 396   logger.info(
 397     'Reordered playlist %s (inserted after %d elements %d - %d).',
 398     videoPlaylist.uuid, insertAfter, start, start + reorderLength - 1
 399   )
 400
 401   return res.type('json').status(204).end()
 402 }
 403
 404 async function getVideoPlaylistVideos (req: express.Request, res: express.Response) {
 405   const videoPlaylistInstance: VideoPlaylistModel = res.locals.videoPlaylist
 406   const followerActorId = isUserAbleToSearchRemoteURI(res) ? null : undefined
 407
 408   const resultList = await VideoModel.listForApi({
 409     followerActorId,
 410     start: req.query.start,
 411     count: req.query.count,
 412     sort: 'VideoPlaylistElements.position',
 413     includeLocalVideos: true,
 414     categoryOneOf: req.query.categoryOneOf,
 415     licenceOneOf: req.query.licenceOneOf,
 416     languageOneOf: req.query.languageOneOf,
 417     tagsOneOf: req.query.tagsOneOf,
 418     tagsAllOf: req.query.tagsAllOf,
 419     filter: req.query.filter,
 420     nsfw: buildNSFWFilter(res, req.query.nsfw),
 421     withFiles: false,
 422     videoPlaylistId: videoPlaylistInstance.id,
 423     user: res.locals.oauth ? res.locals.oauth.token.User : undefined
 424   })
 425
 426   const additionalAttributes = { playlistInfo: true }
 427   return res.json(getFormattedObjects(resultList.data, resultList.total, { additionalAttributes }))
 428 }