mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			500 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			500 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			TypeScript
		
	
	
import express from 'express'
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import { join } from 'path'
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import { scheduleRefreshIfNeeded } from '@server/lib/activitypub/playlists'
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import { Hooks } from '@server/lib/plugins/hooks'
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import { getServerActor } from '@server/models/application/application'
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import { MVideoPlaylistFull, MVideoPlaylistThumbnail, MVideoThumbnail } from '@server/types/models'
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import { uuidToShort } from '@shared/extra-utils'
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import { VideoPlaylistCreateResult, VideoPlaylistElementCreateResult } from '@shared/models'
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import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
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import { VideoPlaylistCreate } from '../../../shared/models/videos/playlist/video-playlist-create.model'
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import { VideoPlaylistElementCreate } from '../../../shared/models/videos/playlist/video-playlist-element-create.model'
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import { VideoPlaylistElementUpdate } from '../../../shared/models/videos/playlist/video-playlist-element-update.model'
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import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
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import { VideoPlaylistReorder } from '../../../shared/models/videos/playlist/video-playlist-reorder.model'
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import { VideoPlaylistUpdate } from '../../../shared/models/videos/playlist/video-playlist-update.model'
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import { resetSequelizeInstance } from '../../helpers/database-utils'
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import { buildNSFWFilter, createReqFiles } from '../../helpers/express-utils'
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import { logger } from '../../helpers/logger'
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import { getFormattedObjects } from '../../helpers/utils'
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import { CONFIG } from '../../initializers/config'
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import { MIMETYPES, VIDEO_PLAYLIST_PRIVACIES } from '../../initializers/constants'
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import { sequelizeTypescript } from '../../initializers/database'
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import { sendCreateVideoPlaylist, sendDeleteVideoPlaylist, sendUpdateVideoPlaylist } from '../../lib/activitypub/send'
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import { getLocalVideoPlaylistActivityPubUrl, getLocalVideoPlaylistElementActivityPubUrl } from '../../lib/activitypub/url'
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import { updatePlaylistMiniatureFromExisting } from '../../lib/thumbnail'
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import {
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  asyncMiddleware,
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  asyncRetryTransactionMiddleware,
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  authenticate,
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  optionalAuthenticate,
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  paginationValidator,
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  setDefaultPagination,
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  setDefaultSort
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} from '../../middlewares'
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import { videoPlaylistsSortValidator } from '../../middlewares/validators'
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import {
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  commonVideoPlaylistFiltersValidator,
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  videoPlaylistsAddValidator,
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  videoPlaylistsAddVideoValidator,
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  videoPlaylistsDeleteValidator,
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  videoPlaylistsGetValidator,
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  videoPlaylistsReorderVideosValidator,
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  videoPlaylistsUpdateOrRemoveVideoValidator,
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  videoPlaylistsUpdateValidator
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} from '../../middlewares/validators/videos/video-playlists'
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import { AccountModel } from '../../models/account/account'
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import { VideoPlaylistModel } from '../../models/video/video-playlist'
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import { VideoPlaylistElementModel } from '../../models/video/video-playlist-element'
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const reqThumbnailFile = createReqFiles([ 'thumbnailfile' ], MIMETYPES.IMAGE.MIMETYPE_EXT, { thumbnailfile: CONFIG.STORAGE.TMP_DIR })
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const videoPlaylistRouter = express.Router()
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videoPlaylistRouter.get('/privacies', listVideoPlaylistPrivacies)
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videoPlaylistRouter.get('/',
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  paginationValidator,
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  videoPlaylistsSortValidator,
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  setDefaultSort,
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  setDefaultPagination,
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  commonVideoPlaylistFiltersValidator,
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  asyncMiddleware(listVideoPlaylists)
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)
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videoPlaylistRouter.get('/:playlistId',
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  asyncMiddleware(videoPlaylistsGetValidator('summary')),
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  getVideoPlaylist
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)
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videoPlaylistRouter.post('/',
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  authenticate,
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  reqThumbnailFile,
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  asyncMiddleware(videoPlaylistsAddValidator),
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  asyncRetryTransactionMiddleware(addVideoPlaylist)
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)
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videoPlaylistRouter.put('/:playlistId',
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  authenticate,
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  reqThumbnailFile,
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  asyncMiddleware(videoPlaylistsUpdateValidator),
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  asyncRetryTransactionMiddleware(updateVideoPlaylist)
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)
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videoPlaylistRouter.delete('/:playlistId',
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  authenticate,
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  asyncMiddleware(videoPlaylistsDeleteValidator),
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  asyncRetryTransactionMiddleware(removeVideoPlaylist)
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)
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videoPlaylistRouter.get('/:playlistId/videos',
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  asyncMiddleware(videoPlaylistsGetValidator('summary')),
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  paginationValidator,
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  setDefaultPagination,
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  optionalAuthenticate,
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  asyncMiddleware(getVideoPlaylistVideos)
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)
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videoPlaylistRouter.post('/:playlistId/videos',
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  authenticate,
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  asyncMiddleware(videoPlaylistsAddVideoValidator),
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  asyncRetryTransactionMiddleware(addVideoInPlaylist)
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)
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videoPlaylistRouter.post('/:playlistId/videos/reorder',
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  authenticate,
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  asyncMiddleware(videoPlaylistsReorderVideosValidator),
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  asyncRetryTransactionMiddleware(reorderVideosPlaylist)
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)
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videoPlaylistRouter.put('/:playlistId/videos/:playlistElementId',
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  authenticate,
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  asyncMiddleware(videoPlaylistsUpdateOrRemoveVideoValidator),
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  asyncRetryTransactionMiddleware(updateVideoPlaylistElement)
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)
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videoPlaylistRouter.delete('/:playlistId/videos/:playlistElementId',
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  authenticate,
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  asyncMiddleware(videoPlaylistsUpdateOrRemoveVideoValidator),
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  asyncRetryTransactionMiddleware(removeVideoFromPlaylist)
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)
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// ---------------------------------------------------------------------------
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export {
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  videoPlaylistRouter
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}
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// ---------------------------------------------------------------------------
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function listVideoPlaylistPrivacies (req: express.Request, res: express.Response) {
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  res.json(VIDEO_PLAYLIST_PRIVACIES)
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}
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async function listVideoPlaylists (req: express.Request, res: express.Response) {
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  const serverActor = await getServerActor()
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  const resultList = await VideoPlaylistModel.listForApi({
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    followerActorId: serverActor.id,
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    start: req.query.start,
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    count: req.query.count,
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    sort: req.query.sort,
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    type: req.query.type
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  })
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  return res.json(getFormattedObjects(resultList.data, resultList.total))
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}
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function getVideoPlaylist (req: express.Request, res: express.Response) {
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  const videoPlaylist = res.locals.videoPlaylistSummary
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  scheduleRefreshIfNeeded(videoPlaylist)
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  return res.json(videoPlaylist.toFormattedJSON())
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}
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async function addVideoPlaylist (req: express.Request, res: express.Response) {
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  const videoPlaylistInfo: VideoPlaylistCreate = req.body
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  const user = res.locals.oauth.token.User
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  const videoPlaylist = new VideoPlaylistModel({
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    name: videoPlaylistInfo.displayName,
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    description: videoPlaylistInfo.description,
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    privacy: videoPlaylistInfo.privacy || VideoPlaylistPrivacy.PRIVATE,
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    ownerAccountId: user.Account.id
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  }) as MVideoPlaylistFull
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  videoPlaylist.url = getLocalVideoPlaylistActivityPubUrl(videoPlaylist) // We use the UUID, so set the URL after building the object
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  if (videoPlaylistInfo.videoChannelId) {
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    const videoChannel = res.locals.videoChannel
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    videoPlaylist.videoChannelId = videoChannel.id
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    videoPlaylist.VideoChannel = videoChannel
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  }
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  const thumbnailField = req.files['thumbnailfile']
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  const thumbnailModel = thumbnailField
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    ? await updatePlaylistMiniatureFromExisting({
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      inputPath: thumbnailField[0].path,
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      playlist: videoPlaylist,
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      automaticallyGenerated: false
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    })
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    : undefined
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  const videoPlaylistCreated = await sequelizeTypescript.transaction(async t => {
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    const videoPlaylistCreated = await videoPlaylist.save({ transaction: t }) as MVideoPlaylistFull
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    if (thumbnailModel) {
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      thumbnailModel.automaticallyGenerated = false
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      await videoPlaylistCreated.setAndSaveThumbnail(thumbnailModel, t)
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    }
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    // We need more attributes for the federation
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    videoPlaylistCreated.OwnerAccount = await AccountModel.load(user.Account.id, t)
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    await sendCreateVideoPlaylist(videoPlaylistCreated, t)
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    return videoPlaylistCreated
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  })
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  logger.info('Video playlist with uuid %s created.', videoPlaylist.uuid)
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  return res.json({
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    videoPlaylist: {
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      id: videoPlaylistCreated.id,
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      shortUUID: uuidToShort(videoPlaylistCreated.uuid),
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      uuid: videoPlaylistCreated.uuid
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    } as VideoPlaylistCreateResult
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  })
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}
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async function updateVideoPlaylist (req: express.Request, res: express.Response) {
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  const videoPlaylistInstance = res.locals.videoPlaylistFull
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  const videoPlaylistFieldsSave = videoPlaylistInstance.toJSON()
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  const videoPlaylistInfoToUpdate = req.body as VideoPlaylistUpdate
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  const wasPrivatePlaylist = videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE
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  const wasNotPrivatePlaylist = videoPlaylistInstance.privacy !== VideoPlaylistPrivacy.PRIVATE
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  const thumbnailField = req.files['thumbnailfile']
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  const thumbnailModel = thumbnailField
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    ? await updatePlaylistMiniatureFromExisting({
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      inputPath: thumbnailField[0].path,
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      playlist: videoPlaylistInstance,
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      automaticallyGenerated: false
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    })
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    : undefined
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  try {
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    await sequelizeTypescript.transaction(async t => {
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      const sequelizeOptions = {
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        transaction: t
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      }
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      if (videoPlaylistInfoToUpdate.videoChannelId !== undefined) {
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        if (videoPlaylistInfoToUpdate.videoChannelId === null) {
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          videoPlaylistInstance.videoChannelId = null
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        } else {
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          const videoChannel = res.locals.videoChannel
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          videoPlaylistInstance.videoChannelId = videoChannel.id
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          videoPlaylistInstance.VideoChannel = videoChannel
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        }
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      }
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      if (videoPlaylistInfoToUpdate.displayName !== undefined) videoPlaylistInstance.name = videoPlaylistInfoToUpdate.displayName
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      if (videoPlaylistInfoToUpdate.description !== undefined) videoPlaylistInstance.description = videoPlaylistInfoToUpdate.description
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      if (videoPlaylistInfoToUpdate.privacy !== undefined) {
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        videoPlaylistInstance.privacy = parseInt(videoPlaylistInfoToUpdate.privacy.toString(), 10)
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        if (wasNotPrivatePlaylist === true && videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE) {
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          await sendDeleteVideoPlaylist(videoPlaylistInstance, t)
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        }
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      }
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      const playlistUpdated = await videoPlaylistInstance.save(sequelizeOptions)
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      if (thumbnailModel) {
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        thumbnailModel.automaticallyGenerated = false
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        await playlistUpdated.setAndSaveThumbnail(thumbnailModel, t)
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      }
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      const isNewPlaylist = wasPrivatePlaylist && playlistUpdated.privacy !== VideoPlaylistPrivacy.PRIVATE
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      if (isNewPlaylist) {
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        await sendCreateVideoPlaylist(playlistUpdated, t)
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      } else {
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        await sendUpdateVideoPlaylist(playlistUpdated, t)
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      }
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      logger.info('Video playlist %s updated.', videoPlaylistInstance.uuid)
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      return playlistUpdated
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    })
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  } catch (err) {
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    logger.debug('Cannot update the video playlist.', { err })
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    // Force fields we want to update
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    // If the transaction is retried, sequelize will think the object has not changed
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    // So it will skip the SQL request, even if the last one was ROLLBACKed!
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    resetSequelizeInstance(videoPlaylistInstance, videoPlaylistFieldsSave)
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    throw err
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  }
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  return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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}
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async function removeVideoPlaylist (req: express.Request, res: express.Response) {
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  const videoPlaylistInstance = res.locals.videoPlaylistSummary
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  await sequelizeTypescript.transaction(async t => {
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    await videoPlaylistInstance.destroy({ transaction: t })
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    await sendDeleteVideoPlaylist(videoPlaylistInstance, t)
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    logger.info('Video playlist %s deleted.', videoPlaylistInstance.uuid)
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  })
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  return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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}
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async function addVideoInPlaylist (req: express.Request, res: express.Response) {
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  const body: VideoPlaylistElementCreate = req.body
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  const videoPlaylist = res.locals.videoPlaylistFull
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  const video = res.locals.onlyVideo
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  const playlistElement = await sequelizeTypescript.transaction(async t => {
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    const position = await VideoPlaylistElementModel.getNextPositionOf(videoPlaylist.id, t)
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    const playlistElement = await VideoPlaylistElementModel.create({
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      position,
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      startTimestamp: body.startTimestamp || null,
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      stopTimestamp: body.stopTimestamp || null,
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      videoPlaylistId: videoPlaylist.id,
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      videoId: video.id
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    }, { transaction: t })
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    playlistElement.url = getLocalVideoPlaylistElementActivityPubUrl(videoPlaylist, playlistElement)
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    await playlistElement.save({ transaction: t })
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    videoPlaylist.changed('updatedAt', true)
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    await videoPlaylist.save({ transaction: t })
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    return playlistElement
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  })
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  // If the user did not set a thumbnail, automatically take the video thumbnail
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  if (videoPlaylist.hasThumbnail() === false || (videoPlaylist.hasGeneratedThumbnail() && playlistElement.position === 1)) {
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    await generateThumbnailForPlaylist(videoPlaylist, video)
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  }
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  sendUpdateVideoPlaylist(videoPlaylist, undefined)
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    .catch(err => logger.error('Cannot send video playlist update.', { err }))
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  logger.info('Video added in playlist %s at position %d.', videoPlaylist.uuid, playlistElement.position)
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  Hooks.runAction('action:api.video-playlist-element.created', { playlistElement, req, res })
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  return res.json({
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    videoPlaylistElement: {
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      id: playlistElement.id
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    } as VideoPlaylistElementCreateResult
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  })
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}
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async function updateVideoPlaylistElement (req: express.Request, res: express.Response) {
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  const body: VideoPlaylistElementUpdate = req.body
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  const videoPlaylist = res.locals.videoPlaylistFull
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  const videoPlaylistElement = res.locals.videoPlaylistElement
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  const playlistElement: VideoPlaylistElementModel = await sequelizeTypescript.transaction(async t => {
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    if (body.startTimestamp !== undefined) videoPlaylistElement.startTimestamp = body.startTimestamp
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    if (body.stopTimestamp !== undefined) videoPlaylistElement.stopTimestamp = body.stopTimestamp
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    const element = await videoPlaylistElement.save({ transaction: t })
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    videoPlaylist.changed('updatedAt', true)
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    await videoPlaylist.save({ transaction: t })
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    await sendUpdateVideoPlaylist(videoPlaylist, t)
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    return element
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  })
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  logger.info('Element of position %d of playlist %s updated.', playlistElement.position, videoPlaylist.uuid)
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  return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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}
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async function removeVideoFromPlaylist (req: express.Request, res: express.Response) {
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  const videoPlaylistElement = res.locals.videoPlaylistElement
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  const videoPlaylist = res.locals.videoPlaylistFull
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  const positionToDelete = videoPlaylistElement.position
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  await sequelizeTypescript.transaction(async t => {
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    await videoPlaylistElement.destroy({ transaction: t })
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    // Decrease position of the next elements
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    await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, positionToDelete, -1, t)
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    videoPlaylist.changed('updatedAt', true)
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    await videoPlaylist.save({ transaction: t })
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    logger.info('Video playlist element %d of playlist %s deleted.', videoPlaylistElement.position, videoPlaylist.uuid)
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  })
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  // Do we need to regenerate the default thumbnail?
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  if (positionToDelete === 1 && videoPlaylist.hasGeneratedThumbnail()) {
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    await regeneratePlaylistThumbnail(videoPlaylist)
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  }
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  sendUpdateVideoPlaylist(videoPlaylist, undefined)
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    .catch(err => logger.error('Cannot send video playlist update.', { err }))
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  return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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}
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async function reorderVideosPlaylist (req: express.Request, res: express.Response) {
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  const videoPlaylist = res.locals.videoPlaylistFull
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  const body: VideoPlaylistReorder = req.body
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  const start: number = body.startPosition
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  const insertAfter: number = body.insertAfterPosition
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  const reorderLength: number = body.reorderLength || 1
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  if (start === insertAfter) {
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    return res.status(HttpStatusCode.NO_CONTENT_204).end()
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  }
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  // Example: if we reorder position 2 and insert after position 5 (so at position 6): # 1 2 3 4 5 6 7 8 9
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  //  * increase position when position > 5 # 1 2 3 4 5 7 8 9 10
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  //  * update position 2 -> position 6 # 1 3 4 5 6 7 8 9 10
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  //  * decrease position when position position > 2 # 1 2 3 4 5 6 7 8 9
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  await sequelizeTypescript.transaction(async t => {
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    const newPosition = insertAfter + 1
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						|
    // Add space after the position when we want to insert our reordered elements (increase)
 | 
						|
    await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, newPosition, reorderLength, t)
 | 
						|
 | 
						|
    let oldPosition = start
 | 
						|
 | 
						|
    // We incremented the position of the elements we want to reorder
 | 
						|
    if (start >= newPosition) oldPosition += reorderLength
 | 
						|
 | 
						|
    const endOldPosition = oldPosition + reorderLength - 1
 | 
						|
    // Insert our reordered elements in their place (update)
 | 
						|
    await VideoPlaylistElementModel.reassignPositionOf(videoPlaylist.id, oldPosition, endOldPosition, newPosition, t)
 | 
						|
 | 
						|
    // Decrease positions of elements after the old position of our ordered elements (decrease)
 | 
						|
    await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, oldPosition, -reorderLength, t)
 | 
						|
 | 
						|
    videoPlaylist.changed('updatedAt', true)
 | 
						|
    await videoPlaylist.save({ transaction: t })
 | 
						|
 | 
						|
    await sendUpdateVideoPlaylist(videoPlaylist, t)
 | 
						|
  })
 | 
						|
 | 
						|
  // The first element changed
 | 
						|
  if ((start === 1 || insertAfter === 0) && videoPlaylist.hasGeneratedThumbnail()) {
 | 
						|
    await regeneratePlaylistThumbnail(videoPlaylist)
 | 
						|
  }
 | 
						|
 | 
						|
  logger.info(
 | 
						|
    'Reordered playlist %s (inserted after position %d elements %d - %d).',
 | 
						|
    videoPlaylist.uuid, insertAfter, start, start + reorderLength - 1
 | 
						|
  )
 | 
						|
 | 
						|
  return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
 | 
						|
}
 | 
						|
 | 
						|
async function getVideoPlaylistVideos (req: express.Request, res: express.Response) {
 | 
						|
  const videoPlaylistInstance = res.locals.videoPlaylistSummary
 | 
						|
  const user = res.locals.oauth ? res.locals.oauth.token.User : undefined
 | 
						|
  const server = await getServerActor()
 | 
						|
 | 
						|
  const resultList = await VideoPlaylistElementModel.listForApi({
 | 
						|
    start: req.query.start,
 | 
						|
    count: req.query.count,
 | 
						|
    videoPlaylistId: videoPlaylistInstance.id,
 | 
						|
    serverAccount: server.Account,
 | 
						|
    user
 | 
						|
  })
 | 
						|
 | 
						|
  const options = {
 | 
						|
    displayNSFW: buildNSFWFilter(res, req.query.nsfw),
 | 
						|
    accountId: user ? user.Account.id : undefined
 | 
						|
  }
 | 
						|
  return res.json(getFormattedObjects(resultList.data, resultList.total, options))
 | 
						|
}
 | 
						|
 | 
						|
async function regeneratePlaylistThumbnail (videoPlaylist: MVideoPlaylistThumbnail) {
 | 
						|
  await videoPlaylist.Thumbnail.destroy()
 | 
						|
  videoPlaylist.Thumbnail = null
 | 
						|
 | 
						|
  const firstElement = await VideoPlaylistElementModel.loadFirstElementWithVideoThumbnail(videoPlaylist.id)
 | 
						|
  if (firstElement) await generateThumbnailForPlaylist(videoPlaylist, firstElement.Video)
 | 
						|
}
 | 
						|
 | 
						|
async function generateThumbnailForPlaylist (videoPlaylist: MVideoPlaylistThumbnail, video: MVideoThumbnail) {
 | 
						|
  logger.info('Generating default thumbnail to playlist %s.', videoPlaylist.url)
 | 
						|
 | 
						|
  const videoMiniature = video.getMiniature()
 | 
						|
  if (!videoMiniature) {
 | 
						|
    logger.info('Cannot generate thumbnail for playlist %s because video %s does not have any.', videoPlaylist.url, video.url)
 | 
						|
    return
 | 
						|
  }
 | 
						|
 | 
						|
  const inputPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, videoMiniature.filename)
 | 
						|
  const thumbnailModel = await updatePlaylistMiniatureFromExisting({
 | 
						|
    inputPath,
 | 
						|
    playlist: videoPlaylist,
 | 
						|
    automaticallyGenerated: true,
 | 
						|
    keepOriginal: true
 | 
						|
  })
 | 
						|
 | 
						|
  thumbnailModel.videoPlaylistId = videoPlaylist.id
 | 
						|
 | 
						|
  videoPlaylist.Thumbnail = await thumbnailModel.save()
 | 
						|
}
 |