PeerTube/server/controllers/api/video-playlist.ts

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import express from 'express'
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import { join } from 'path'
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import { scheduleRefreshIfNeeded } from '@server/lib/activitypub/playlists'
import { Hooks } from '@server/lib/plugins/hooks'
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import { getServerActor } from '@server/models/application/application'
import { MVideoPlaylistFull, MVideoPlaylistThumbnail, MVideoThumbnail } from '@server/types/models'
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import { forceNumber } from '@shared/core-utils'
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'
import { VideoPlaylistElementCreate } from '../../../shared/models/videos/playlist/video-playlist-element-create.model'
import { VideoPlaylistElementUpdate } from '../../../shared/models/videos/playlist/video-playlist-element-update.model'
import { VideoPlaylistPrivacy } from '../../../shared/models/videos/playlist/video-playlist-privacy.model'
import { VideoPlaylistReorder } from '../../../shared/models/videos/playlist/video-playlist-reorder.model'
import { VideoPlaylistUpdate } from '../../../shared/models/videos/playlist/video-playlist-update.model'
import { resetSequelizeInstance } from '../../helpers/database-utils'
import { createReqFiles } from '../../helpers/express-utils'
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import { logger } from '../../helpers/logger'
import { getFormattedObjects } from '../../helpers/utils'
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import { CONFIG } from '../../initializers/config'
import { MIMETYPES, VIDEO_PLAYLIST_PRIVACIES } from '../../initializers/constants'
import { sequelizeTypescript } from '../../initializers/database'
import { sendCreateVideoPlaylist, sendDeleteVideoPlaylist, sendUpdateVideoPlaylist } from '../../lib/activitypub/send'
import { getLocalVideoPlaylistActivityPubUrl, getLocalVideoPlaylistElementActivityPubUrl } from '../../lib/activitypub/url'
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import { updateLocalPlaylistMiniatureFromExisting } from '../../lib/thumbnail'
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import {
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apiRateLimiter,
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asyncMiddleware,
asyncRetryTransactionMiddleware,
authenticate,
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optionalAuthenticate,
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paginationValidator,
setDefaultPagination,
setDefaultSort
} from '../../middlewares'
import { videoPlaylistsSortValidator } from '../../middlewares/validators'
import {
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commonVideoPlaylistFiltersValidator,
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videoPlaylistsAddValidator,
videoPlaylistsAddVideoValidator,
videoPlaylistsDeleteValidator,
videoPlaylistsGetValidator,
videoPlaylistsReorderVideosValidator,
videoPlaylistsUpdateOrRemoveVideoValidator,
videoPlaylistsUpdateValidator
} 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'
import { VideoPlaylistElementModel } from '../../models/video/video-playlist-element'
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const reqThumbnailFile = createReqFiles([ 'thumbnailfile' ], MIMETYPES.IMAGE.MIMETYPE_EXT)
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const videoPlaylistRouter = express.Router()
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videoPlaylistRouter.use(apiRateLimiter)
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videoPlaylistRouter.get('/privacies', listVideoPlaylistPrivacies)
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videoPlaylistRouter.get('/',
paginationValidator,
videoPlaylistsSortValidator,
setDefaultSort,
setDefaultPagination,
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commonVideoPlaylistFiltersValidator,
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asyncMiddleware(listVideoPlaylists)
)
videoPlaylistRouter.get('/:playlistId',
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asyncMiddleware(videoPlaylistsGetValidator('summary')),
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getVideoPlaylist
)
videoPlaylistRouter.post('/',
authenticate,
reqThumbnailFile,
asyncMiddleware(videoPlaylistsAddValidator),
asyncRetryTransactionMiddleware(addVideoPlaylist)
)
videoPlaylistRouter.put('/:playlistId',
authenticate,
reqThumbnailFile,
asyncMiddleware(videoPlaylistsUpdateValidator),
asyncRetryTransactionMiddleware(updateVideoPlaylist)
)
videoPlaylistRouter.delete('/:playlistId',
authenticate,
asyncMiddleware(videoPlaylistsDeleteValidator),
asyncRetryTransactionMiddleware(removeVideoPlaylist)
)
videoPlaylistRouter.get('/:playlistId/videos',
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asyncMiddleware(videoPlaylistsGetValidator('summary')),
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paginationValidator,
setDefaultPagination,
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optionalAuthenticate,
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asyncMiddleware(getVideoPlaylistVideos)
)
videoPlaylistRouter.post('/:playlistId/videos',
authenticate,
asyncMiddleware(videoPlaylistsAddVideoValidator),
asyncRetryTransactionMiddleware(addVideoInPlaylist)
)
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videoPlaylistRouter.post('/:playlistId/videos/reorder',
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authenticate,
asyncMiddleware(videoPlaylistsReorderVideosValidator),
asyncRetryTransactionMiddleware(reorderVideosPlaylist)
)
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videoPlaylistRouter.put('/:playlistId/videos/:playlistElementId',
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authenticate,
asyncMiddleware(videoPlaylistsUpdateOrRemoveVideoValidator),
asyncRetryTransactionMiddleware(updateVideoPlaylistElement)
)
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videoPlaylistRouter.delete('/:playlistId/videos/:playlistElementId',
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authenticate,
asyncMiddleware(videoPlaylistsUpdateOrRemoveVideoValidator),
asyncRetryTransactionMiddleware(removeVideoFromPlaylist)
)
// ---------------------------------------------------------------------------
export {
videoPlaylistRouter
}
// ---------------------------------------------------------------------------
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function listVideoPlaylistPrivacies (req: express.Request, res: express.Response) {
res.json(VIDEO_PLAYLIST_PRIVACIES)
}
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async function listVideoPlaylists (req: express.Request, res: express.Response) {
const serverActor = await getServerActor()
const resultList = await VideoPlaylistModel.listForApi({
followerActorId: serverActor.id,
start: req.query.start,
count: req.query.count,
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sort: req.query.sort,
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type: req.query.playlistType
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})
return res.json(getFormattedObjects(resultList.data, resultList.total))
}
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())
}
async function addVideoPlaylist (req: express.Request, res: express.Response) {
const videoPlaylistInfo: VideoPlaylistCreate = req.body
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const user = res.locals.oauth.token.User
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const videoPlaylist = new VideoPlaylistModel({
name: videoPlaylistInfo.displayName,
description: videoPlaylistInfo.description,
privacy: videoPlaylistInfo.privacy || VideoPlaylistPrivacy.PRIVATE,
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
videoPlaylist.VideoChannel = videoChannel
}
const thumbnailField = req.files['thumbnailfile']
const thumbnailModel = thumbnailField
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? await updateLocalPlaylistMiniatureFromExisting({
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inputPath: thumbnailField[0].path,
playlist: videoPlaylist,
automaticallyGenerated: false
})
: undefined
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const videoPlaylistCreated = await sequelizeTypescript.transaction(async t => {
const videoPlaylistCreated = await videoPlaylist.save({ transaction: t }) as MVideoPlaylistFull
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if (thumbnailModel) {
thumbnailModel.automaticallyGenerated = false
await videoPlaylistCreated.setAndSaveThumbnail(thumbnailModel, t)
}
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// We need more attributes for the federation
videoPlaylistCreated.OwnerAccount = await AccountModel.load(user.Account.id, t)
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await sendCreateVideoPlaylist(videoPlaylistCreated, t)
return videoPlaylistCreated
})
logger.info('Video playlist with uuid %s created.', videoPlaylist.uuid)
return res.json({
videoPlaylist: {
id: videoPlaylistCreated.id,
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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}
async function updateVideoPlaylist (req: express.Request, res: express.Response) {
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const videoPlaylistInstance = res.locals.videoPlaylistFull
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const videoPlaylistInfoToUpdate = req.body as VideoPlaylistUpdate
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const wasPrivatePlaylist = videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE
const wasNotPrivatePlaylist = videoPlaylistInstance.privacy !== VideoPlaylistPrivacy.PRIVATE
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const thumbnailField = req.files['thumbnailfile']
const thumbnailModel = thumbnailField
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? await updateLocalPlaylistMiniatureFromExisting({
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inputPath: thumbnailField[0].path,
playlist: videoPlaylistInstance,
automaticallyGenerated: false
})
: undefined
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try {
await sequelizeTypescript.transaction(async t => {
const sequelizeOptions = {
transaction: t
}
if (videoPlaylistInfoToUpdate.videoChannelId !== undefined) {
if (videoPlaylistInfoToUpdate.videoChannelId === null) {
videoPlaylistInstance.videoChannelId = null
} 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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}
}
if (videoPlaylistInfoToUpdate.displayName !== undefined) videoPlaylistInstance.name = videoPlaylistInfoToUpdate.displayName
if (videoPlaylistInfoToUpdate.description !== undefined) videoPlaylistInstance.description = videoPlaylistInfoToUpdate.description
if (videoPlaylistInfoToUpdate.privacy !== undefined) {
videoPlaylistInstance.privacy = forceNumber(videoPlaylistInfoToUpdate.privacy)
if (wasNotPrivatePlaylist === true && videoPlaylistInstance.privacy === VideoPlaylistPrivacy.PRIVATE) {
await sendDeleteVideoPlaylist(videoPlaylistInstance, t)
}
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}
const playlistUpdated = await videoPlaylistInstance.save(sequelizeOptions)
if (thumbnailModel) {
thumbnailModel.automaticallyGenerated = false
await playlistUpdated.setAndSaveThumbnail(thumbnailModel, t)
}
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const isNewPlaylist = wasPrivatePlaylist && playlistUpdated.privacy !== VideoPlaylistPrivacy.PRIVATE
if (isNewPlaylist) {
await sendCreateVideoPlaylist(playlistUpdated, t)
} else {
await sendUpdateVideoPlaylist(playlistUpdated, t)
}
logger.info('Video playlist %s updated.', videoPlaylistInstance.uuid)
return playlistUpdated
})
} catch (err) {
logger.debug('Cannot update the video playlist.', { err })
// If the transaction is retried, sequelize will think the object has not changed
// So we need to restore the previous fields
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await resetSequelizeInstance(videoPlaylistInstance)
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throw err
}
return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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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 => {
await videoPlaylistInstance.destroy({ transaction: t })
await sendDeleteVideoPlaylist(videoPlaylistInstance, t)
logger.info('Video playlist %s deleted.', videoPlaylistInstance.uuid)
})
return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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}
async function addVideoInPlaylist (req: express.Request, res: express.Response) {
const body: VideoPlaylistElementCreate = req.body
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const videoPlaylist = res.locals.videoPlaylistFull
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)
const playlistElement = await VideoPlaylistElementModel.create({
position,
startTimestamp: body.startTimestamp || null,
stopTimestamp: body.stopTimestamp || null,
videoPlaylistId: videoPlaylist.id,
videoId: video.id
}, { transaction: t })
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playlistElement.url = getLocalVideoPlaylistElementActivityPubUrl(videoPlaylist, playlistElement)
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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// If the user did not set a thumbnail, automatically take the video thumbnail
if (videoPlaylist.hasThumbnail() === false || (videoPlaylist.hasGeneratedThumbnail() && playlistElement.position === 1)) {
await generateThumbnailForPlaylist(videoPlaylist, video)
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}
sendUpdateVideoPlaylist(videoPlaylist, undefined)
.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)
Hooks.runAction('action:api.video-playlist-element.created', { playlistElement, req, res })
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return res.json({
videoPlaylistElement: {
id: playlistElement.id
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} as VideoPlaylistElementCreateResult
})
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}
async function updateVideoPlaylistElement (req: express.Request, res: express.Response) {
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 => {
if (body.startTimestamp !== undefined) videoPlaylistElement.startTimestamp = body.startTimestamp
if (body.stopTimestamp !== undefined) videoPlaylistElement.stopTimestamp = body.stopTimestamp
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)
return element
})
logger.info('Element of position %d of playlist %s updated.', playlistElement.position, videoPlaylist.uuid)
return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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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
await sequelizeTypescript.transaction(async t => {
await videoPlaylistElement.destroy({ transaction: t })
// 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)
})
// Do we need to regenerate the default thumbnail?
if (positionToDelete === 1 && videoPlaylist.hasGeneratedThumbnail()) {
await regeneratePlaylistThumbnail(videoPlaylist)
}
sendUpdateVideoPlaylist(videoPlaylist, undefined)
.catch(err => logger.error('Cannot send video playlist update.', { err }))
return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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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
const insertAfter: number = body.insertAfterPosition
const reorderLength: number = body.reorderLength || 1
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if (start === insertAfter) {
return res.status(HttpStatusCode.NO_CONTENT_204).end()
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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
// * increase position when position > 5 # 1 2 3 4 5 7 8 9 10
// * update position 2 -> position 6 # 1 3 4 5 6 7 8 9 10
// * decrease position when position position > 2 # 1 2 3 4 5 6 7 8 9
await sequelizeTypescript.transaction(async t => {
const newPosition = insertAfter + 1
// Add space after the position when we want to insert our reordered elements (increase)
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await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, newPosition, reorderLength, t)
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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)
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await VideoPlaylistElementModel.reassignPositionOf({
videoPlaylistId: videoPlaylist.id,
firstPosition: oldPosition,
endPosition: endOldPosition,
newPosition,
transaction: t
})
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// Decrease positions of elements after the old position of our ordered elements (decrease)
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await VideoPlaylistElementModel.increasePositionOf(videoPlaylist.id, oldPosition, -reorderLength, 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)
})
// The first element changed
if ((start === 1 || insertAfter === 0) && videoPlaylist.hasGeneratedThumbnail()) {
await regeneratePlaylistThumbnail(videoPlaylist)
}
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logger.info(
'Reordered playlist %s (inserted after position %d elements %d - %d).',
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videoPlaylist.uuid, insertAfter, start, start + reorderLength - 1
)
return res.type('json').status(HttpStatusCode.NO_CONTENT_204).end()
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}
async function getVideoPlaylistVideos (req: express.Request, res: express.Response) {
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const videoPlaylistInstance = res.locals.videoPlaylistSummary
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const user = res.locals.oauth ? res.locals.oauth.token.User : undefined
const server = await getServerActor()
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const apiOptions = await Hooks.wrapObject({
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start: req.query.start,
count: req.query.count,
videoPlaylistId: videoPlaylistInstance.id,
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serverAccount: server.Account,
user
}, 'filter:api.video-playlist.videos.list.params')
const resultList = await Hooks.wrapPromiseFun(
VideoPlaylistElementModel.listForApi,
apiOptions,
'filter:api.video-playlist.videos.list.result'
)
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const options = { accountId: user?.Account?.id }
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return res.json(getFormattedObjects(resultList.data, resultList.total, options))
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}
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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)
}
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async function generateThumbnailForPlaylist (videoPlaylist: MVideoPlaylistThumbnail, video: MVideoThumbnail) {
logger.info('Generating default thumbnail to playlist %s.', videoPlaylist.url)
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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)
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const thumbnailModel = await updateLocalPlaylistMiniatureFromExisting({
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inputPath,
playlist: videoPlaylist,
automaticallyGenerated: true,
keepOriginal: true
})
thumbnailModel.videoPlaylistId = videoPlaylist.id
videoPlaylist.Thumbnail = await thumbnailModel.save()
}