PeerTube/server/controllers/api/videos/channel.ts

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import * as express from 'express'
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import { VideoChannelCreate, VideoChannelUpdate } from '../../../../shared'
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import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { logger } from '../../../helpers/logger'
import { getFormattedObjects, resetSequelizeInstance } from '../../../helpers/utils'
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import { sequelizeTypescript } from '../../../initializers'
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import { setAsyncActorKeys } from '../../../lib/activitypub'
import { sendUpdateActor } from '../../../lib/activitypub/send'
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import { createVideoChannel } from '../../../lib/video-channel'
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import {
asyncMiddleware, authenticate, listVideoAccountChannelsValidator, paginationValidator, setDefaultSort, setDefaultPagination,
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videoChannelsAddValidator, videoChannelsGetValidator, videoChannelsRemoveValidator, videoChannelsSortValidator,
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videoChannelsUpdateValidator
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} from '../../../middlewares'
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import { AccountModel } from '../../../models/account/account'
import { VideoChannelModel } from '../../../models/video/video-channel'
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const videoChannelRouter = express.Router()
videoChannelRouter.get('/channels',
paginationValidator,
videoChannelsSortValidator,
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setDefaultSort,
setDefaultPagination,
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asyncMiddleware(listVideoChannels)
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)
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videoChannelRouter.get('/accounts/:accountId/channels',
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asyncMiddleware(listVideoAccountChannelsValidator),
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asyncMiddleware(listVideoAccountChannels)
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)
videoChannelRouter.post('/channels',
authenticate,
videoChannelsAddValidator,
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asyncMiddleware(addVideoChannelRetryWrapper)
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)
videoChannelRouter.put('/channels/:id',
authenticate,
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asyncMiddleware(videoChannelsUpdateValidator),
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updateVideoChannelRetryWrapper
)
videoChannelRouter.delete('/channels/:id',
authenticate,
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asyncMiddleware(videoChannelsRemoveValidator),
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asyncMiddleware(removeVideoChannelRetryWrapper)
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)
videoChannelRouter.get('/channels/:id',
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asyncMiddleware(videoChannelsGetValidator),
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asyncMiddleware(getVideoChannel)
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)
// ---------------------------------------------------------------------------
export {
videoChannelRouter
}
// ---------------------------------------------------------------------------
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async function listVideoChannels (req: express.Request, res: express.Response, next: express.NextFunction) {
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const resultList = await VideoChannelModel.listForApi(req.query.start, req.query.count, req.query.sort)
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return res.json(getFormattedObjects(resultList.data, resultList.total))
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}
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async function listVideoAccountChannels (req: express.Request, res: express.Response, next: express.NextFunction) {
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const resultList = await VideoChannelModel.listByAccount(res.locals.account.id)
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return res.json(getFormattedObjects(resultList.data, resultList.total))
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}
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// Wrapper to video channel add that retry the async function if there is a database error
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// We need this because we run the transaction in SERIALIZABLE isolation that can fail
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async function addVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
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const options = {
arguments: [ req, res ],
errorMessage: 'Cannot insert the video video channel with many retries.'
}
const videoChannel = await retryTransactionWrapper(addVideoChannel, options)
return res.json({
videoChannel: {
id: videoChannel.id
}
}).end()
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}
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async function addVideoChannel (req: express.Request, res: express.Response) {
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const videoChannelInfo: VideoChannelCreate = req.body
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const account: AccountModel = res.locals.oauth.token.User.Account
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const videoChannelCreated: VideoChannelModel = await sequelizeTypescript.transaction(async t => {
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return createVideoChannel(videoChannelInfo, account, t)
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})
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setAsyncActorKeys(videoChannelCreated.Actor)
.catch(err => logger.error('Cannot set async actor keys for account %s.', videoChannelCreated.Actor.uuid, err))
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logger.info('Video channel with uuid %s created.', videoChannelCreated.Actor.uuid)
return videoChannelCreated
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}
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async function updateVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
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const options = {
arguments: [ req, res ],
errorMessage: 'Cannot update the video with many retries.'
}
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await retryTransactionWrapper(updateVideoChannel, options)
return res.type('json').status(204).end()
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}
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async function updateVideoChannel (req: express.Request, res: express.Response) {
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const videoChannelInstance = res.locals.videoChannel as VideoChannelModel
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const videoChannelFieldsSave = videoChannelInstance.toJSON()
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const videoChannelInfoToUpdate = req.body as VideoChannelUpdate
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try {
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await sequelizeTypescript.transaction(async t => {
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const sequelizeOptions = {
transaction: t
}
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if (videoChannelInfoToUpdate.name !== undefined) videoChannelInstance.set('name', videoChannelInfoToUpdate.name)
if (videoChannelInfoToUpdate.description !== undefined) videoChannelInstance.set('description', videoChannelInfoToUpdate.description)
if (videoChannelInfoToUpdate.support !== undefined) videoChannelInstance.set('support', videoChannelInfoToUpdate.support)
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const videoChannelInstanceUpdated = await videoChannelInstance.save(sequelizeOptions)
await sendUpdateActor(videoChannelInstanceUpdated, t)
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})
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logger.info('Video channel with name %s and uuid %s updated.', videoChannelInstance.name, videoChannelInstance.Actor.uuid)
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} catch (err) {
logger.debug('Cannot update the video channel.', err)
// Force fields we want to update
// If the transaction is retried, sequelize will think the object has not changed
// So it will skip the SQL request, even if the last one was ROLLBACKed!
resetSequelizeInstance(videoChannelInstance, videoChannelFieldsSave)
throw err
}
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}
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async function removeVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
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const options = {
arguments: [ req, res ],
errorMessage: 'Cannot remove the video channel with many retries.'
}
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await retryTransactionWrapper(removeVideoChannel, options)
return res.type('json').status(204).end()
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}
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async function removeVideoChannel (req: express.Request, res: express.Response) {
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const videoChannelInstance: VideoChannelModel = res.locals.videoChannel
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return sequelizeTypescript.transaction(async t => {
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await videoChannelInstance.destroy({ transaction: t })
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logger.info('Video channel with name %s and uuid %s deleted.', videoChannelInstance.name, videoChannelInstance.Actor.uuid)
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})
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}
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async function getVideoChannel (req: express.Request, res: express.Response, next: express.NextFunction) {
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const videoChannelWithVideos = await VideoChannelModel.loadAndPopulateAccountAndVideos(res.locals.videoChannel.id)
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return res.json(videoChannelWithVideos.toFormattedJSON())
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}