server/controllers/api/videos/channel.ts

   1 import * as express from 'express'
   2 import { VideoChannelCreate, VideoChannelUpdate } from '../../../../shared'
   3 import { getFormattedObjects, logger, resetSequelizeInstance, retryTransactionWrapper } from '../../../helpers'
   4 import { sequelizeTypescript } from '../../../initializers'
   5 import { createVideoChannel } from '../../../lib'
   6 import { sendUpdateVideoChannel } from '../../../lib/activitypub/send/send-update'
   7 import {
   8   asyncMiddleware,
   9   authenticate,
  10   listVideoAccountChannelsValidator,
  11   paginationValidator,
  12   setPagination,
  13   setVideoChannelsSort,
  14   videoChannelsAddValidator,
  15   videoChannelsGetValidator,
  16   videoChannelsRemoveValidator,
  17   videoChannelsSortValidator,
  18   videoChannelsUpdateValidator
  19 } from '../../../middlewares'
  20 import { AccountModel } from '../../../models/account/account'
  21 import { VideoChannelModel } from '../../../models/video/video-channel'
  22
  23 const videoChannelRouter = express.Router()
  24
  25 videoChannelRouter.get('/channels',
  26   paginationValidator,
  27   videoChannelsSortValidator,
  28   setVideoChannelsSort,
  29   setPagination,
  30   asyncMiddleware(listVideoChannels)
  31 )
  32
  33 videoChannelRouter.get('/accounts/:accountId/channels',
  34   asyncMiddleware(listVideoAccountChannelsValidator),
  35   asyncMiddleware(listVideoAccountChannels)
  36 )
  37
  38 videoChannelRouter.post('/channels',
  39   authenticate,
  40   videoChannelsAddValidator,
  41   asyncMiddleware(addVideoChannelRetryWrapper)
  42 )
  43
  44 videoChannelRouter.put('/channels/:id',
  45   authenticate,
  46   asyncMiddleware(videoChannelsUpdateValidator),
  47   updateVideoChannelRetryWrapper
  48 )
  49
  50 videoChannelRouter.delete('/channels/:id',
  51   authenticate,
  52   asyncMiddleware(videoChannelsRemoveValidator),
  53   asyncMiddleware(removeVideoChannelRetryWrapper)
  54 )
  55
  56 videoChannelRouter.get('/channels/:id',
  57   asyncMiddleware(videoChannelsGetValidator),
  58   asyncMiddleware(getVideoChannel)
  59 )
  60
  61 // ---------------------------------------------------------------------------
  62
  63 export {
  64   videoChannelRouter
  65 }
  66
  67 // ---------------------------------------------------------------------------
  68
  69 async function listVideoChannels (req: express.Request, res: express.Response, next: express.NextFunction) {
  70   const resultList = await VideoChannelModel.listForApi(req.query.start, req.query.count, req.query.sort)
  71
  72   return res.json(getFormattedObjects(resultList.data, resultList.total))
  73 }
  74
  75 async function listVideoAccountChannels (req: express.Request, res: express.Response, next: express.NextFunction) {
  76   const resultList = await VideoChannelModel.listByAccount(res.locals.account.id)
  77
  78   return res.json(getFormattedObjects(resultList.data, resultList.total))
  79 }
  80
  81 // Wrapper to video channel add that retry the async function if there is a database error
  82 // We need this because we run the transaction in SERIALIZABLE isolation that can fail
  83 async function addVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
  84   const options = {
  85     arguments: [ req, res ],
  86     errorMessage: 'Cannot insert the video video channel with many retries.'
  87   }
  88
  89   await retryTransactionWrapper(addVideoChannel, options)
  90
  91   // TODO : include Location of the new video channel -> 201
  92   return res.type('json').status(204).end()
  93 }
  94
  95 async function addVideoChannel (req: express.Request, res: express.Response) {
  96   const videoChannelInfo: VideoChannelCreate = req.body
  97   const account: AccountModel = res.locals.oauth.token.User.Account
  98   let videoChannelCreated: VideoChannelModel
  99
 100   await sequelizeTypescript.transaction(async t => {
 101     videoChannelCreated = await createVideoChannel(videoChannelInfo, account, t)
 102   })
 103
 104   logger.info('Video channel with uuid %s created.', videoChannelCreated.uuid)
 105 }
 106
 107 async function updateVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
 108   const options = {
 109     arguments: [ req, res ],
 110     errorMessage: 'Cannot update the video with many retries.'
 111   }
 112
 113   await retryTransactionWrapper(updateVideoChannel, options)
 114
 115   return res.type('json').status(204).end()
 116 }
 117
 118 async function updateVideoChannel (req: express.Request, res: express.Response) {
 119   const videoChannelInstance = res.locals.videoChannel as VideoChannelModel
 120   const videoChannelFieldsSave = videoChannelInstance.toJSON()
 121   const videoChannelInfoToUpdate = req.body as VideoChannelUpdate
 122
 123   try {
 124     await sequelizeTypescript.transaction(async t => {
 125       const sequelizeOptions = {
 126         transaction: t
 127       }
 128
 129       if (videoChannelInfoToUpdate.name !== undefined) videoChannelInstance.set('name', videoChannelInfoToUpdate.name)
 130       if (videoChannelInfoToUpdate.description !== undefined) videoChannelInstance.set('description', videoChannelInfoToUpdate.description)
 131
 132       const videoChannelInstanceUpdated = await videoChannelInstance.save(sequelizeOptions)
 133
 134       await sendUpdateVideoChannel(videoChannelInstanceUpdated, t)
 135     })
 136
 137     logger.info('Video channel with name %s and uuid %s updated.', videoChannelInstance.name, videoChannelInstance.uuid)
 138   } catch (err) {
 139     logger.debug('Cannot update the video channel.', err)
 140
 141     // Force fields we want to update
 142     // If the transaction is retried, sequelize will think the object has not changed
 143     // So it will skip the SQL request, even if the last one was ROLLBACKed!
 144     resetSequelizeInstance(videoChannelInstance, videoChannelFieldsSave)
 145
 146     throw err
 147   }
 148 }
 149
 150 async function removeVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
 151   const options = {
 152     arguments: [ req, res ],
 153     errorMessage: 'Cannot remove the video channel with many retries.'
 154   }
 155
 156   await retryTransactionWrapper(removeVideoChannel, options)
 157
 158   return res.type('json').status(204).end()
 159 }
 160
 161 async function removeVideoChannel (req: express.Request, res: express.Response) {
 162   const videoChannelInstance: VideoChannelModel = res.locals.videoChannel
 163
 164   await sequelizeTypescript.transaction(async t => {
 165     await videoChannelInstance.destroy({ transaction: t })
 166   })
 167
 168   logger.info('Video channel with name %s and uuid %s deleted.', videoChannelInstance.name, videoChannelInstance.uuid)
 169 }
 170
 171 async function getVideoChannel (req: express.Request, res: express.Response, next: express.NextFunction) {
 172   const videoChannelWithVideos = await VideoChannelModel.loadAndPopulateAccountAndVideos(res.locals.videoChannel.id)
 173
 174   return res.json(videoChannelWithVideos.toFormattedJSON())
 175 }