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 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
  99   return sequelizeTypescript.transaction(async t => {
 100     const videoChannelCreated = await createVideoChannel(videoChannelInfo, account, t)
 101
 102     logger.info('Video channel with uuid %s created.', videoChannelCreated.uuid)
 103   })
 104 }
 105
 106 async function updateVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
 107   const options = {
 108     arguments: [ req, res ],
 109     errorMessage: 'Cannot update the video with many retries.'
 110   }
 111
 112   await retryTransactionWrapper(updateVideoChannel, options)
 113
 114   return res.type('json').status(204).end()
 115 }
 116
 117 async function updateVideoChannel (req: express.Request, res: express.Response) {
 118   const videoChannelInstance = res.locals.videoChannel as VideoChannelModel
 119   const videoChannelFieldsSave = videoChannelInstance.toJSON()
 120   const videoChannelInfoToUpdate = req.body as VideoChannelUpdate
 121
 122   try {
 123     await sequelizeTypescript.transaction(async t => {
 124       const sequelizeOptions = {
 125         transaction: t
 126       }
 127
 128       if (videoChannelInfoToUpdate.name !== undefined) videoChannelInstance.set('name', videoChannelInfoToUpdate.name)
 129       if (videoChannelInfoToUpdate.description !== undefined) videoChannelInstance.set('description', videoChannelInfoToUpdate.description)
 130
 131       const videoChannelInstanceUpdated = await videoChannelInstance.save(sequelizeOptions)
 132
 133       await sendUpdateVideoChannel(videoChannelInstanceUpdated, t)
 134     })
 135
 136     logger.info('Video channel with name %s and uuid %s updated.', videoChannelInstance.name, videoChannelInstance.uuid)
 137   } catch (err) {
 138     logger.debug('Cannot update the video channel.', err)
 139
 140     // Force fields we want to update
 141     // If the transaction is retried, sequelize will think the object has not changed
 142     // So it will skip the SQL request, even if the last one was ROLLBACKed!
 143     resetSequelizeInstance(videoChannelInstance, videoChannelFieldsSave)
 144
 145     throw err
 146   }
 147 }
 148
 149 async function removeVideoChannelRetryWrapper (req: express.Request, res: express.Response, next: express.NextFunction) {
 150   const options = {
 151     arguments: [ req, res ],
 152     errorMessage: 'Cannot remove the video channel with many retries.'
 153   }
 154
 155   await retryTransactionWrapper(removeVideoChannel, options)
 156
 157   return res.type('json').status(204).end()
 158 }
 159
 160 async function removeVideoChannel (req: express.Request, res: express.Response) {
 161   const videoChannelInstance: VideoChannelModel = res.locals.videoChannel
 162
 163   await sequelizeTypescript.transaction(async t => {
 164     await videoChannelInstance.destroy({ transaction: t })
 165   })
 166
 167   logger.info('Video channel with name %s and uuid %s deleted.', videoChannelInstance.name, videoChannelInstance.uuid)
 168 }
 169
 170 async function getVideoChannel (req: express.Request, res: express.Response, next: express.NextFunction) {
 171   const videoChannelWithVideos = await VideoChannelModel.loadAndPopulateAccountAndVideos(res.locals.videoChannel.id)
 172
 173   return res.json(videoChannelWithVideos.toFormattedJSON())
 174 }