server/lib/video-channel.ts

   1 import * as Sequelize from 'sequelize'
   2 import * as uuidv4 from 'uuid/v4'
   3 import { VideoChannelCreate } from '../../shared/models'
   4 import { VideoChannelModel } from '../models/video/video-channel'
   5 import { buildActorInstance, federateVideoIfNeeded, getVideoChannelActivityPubUrl } from './activitypub'
   6 import { VideoModel } from '../models/video/video'
   7 import { MAccountId, MChannelDefault, MChannelId } from '../typings/models'
   8
   9 type CustomVideoChannelModelAccount <T extends MAccountId> = MChannelDefault & { Account?: T }
  10
  11 async function createLocalVideoChannel <T extends MAccountId> (
  12   videoChannelInfo: VideoChannelCreate,
  13   account: T,
  14   t: Sequelize.Transaction
  15 ): Promise<CustomVideoChannelModelAccount<T>> {
  16   const uuid = uuidv4()
  17   const url = getVideoChannelActivityPubUrl(videoChannelInfo.name)
  18   const actorInstance = buildActorInstance('Group', url, videoChannelInfo.name, uuid)
  19
  20   const actorInstanceCreated = await actorInstance.save({ transaction: t })
  21
  22   const videoChannelData = {
  23     name: videoChannelInfo.displayName,
  24     description: videoChannelInfo.description,
  25     support: videoChannelInfo.support,
  26     accountId: account.id,
  27     actorId: actorInstanceCreated.id
  28   }
  29
  30   const videoChannel = new VideoChannelModel(videoChannelData)
  31
  32   const options = { transaction: t }
  33   const videoChannelCreated: CustomVideoChannelModelAccount<T> = await videoChannel.save(options) as MChannelDefault
  34
  35   // Do not forget to add Account/Actor information to the created video channel
  36   videoChannelCreated.Account = account
  37   videoChannelCreated.Actor = actorInstanceCreated
  38
  39   // No need to seed this empty video channel to followers
  40   return videoChannelCreated
  41 }
  42
  43 async function federateAllVideosOfChannel (videoChannel: MChannelId) {
  44   const videoIds = await VideoModel.getAllIdsFromChannel(videoChannel)
  45
  46   for (const videoId of videoIds) {
  47     const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
  48
  49     await federateVideoIfNeeded(video, false)
  50   }
  51 }
  52
  53 // ---------------------------------------------------------------------------
  54
  55 export {
  56   createLocalVideoChannel,
  57   federateAllVideosOfChannel
  58 }