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 &
  10   { Account?: T }
  11
  12 async function createLocalVideoChannel <T extends MAccountId> (
  13   videoChannelInfo: VideoChannelCreate,
  14   account: T,
  15   t: Sequelize.Transaction
  16 ): Promise<CustomVideoChannelModelAccount<T>> {
  17   const uuid = uuidv4()
  18   const url = getVideoChannelActivityPubUrl(videoChannelInfo.name)
  19   const actorInstance = buildActorInstance('Group', url, videoChannelInfo.name, uuid)
  20
  21   const actorInstanceCreated = await actorInstance.save({ transaction: t })
  22
  23   const videoChannelData = {
  24     name: videoChannelInfo.displayName,
  25     description: videoChannelInfo.description,
  26     support: videoChannelInfo.support,
  27     accountId: account.id,
  28     actorId: actorInstanceCreated.id
  29   }
  30
  31   const videoChannel = new VideoChannelModel(videoChannelData)
  32
  33   const options = { transaction: t }
  34   const videoChannelCreated: CustomVideoChannelModelAccount<T> = await videoChannel.save(options) as MChannelDefault
  35
  36   // Do not forget to add Account/Actor information to the created video channel
  37   videoChannelCreated.Account = account
  38   videoChannelCreated.Actor = actorInstanceCreated
  39
  40   // No need to seed this empty video channel to followers
  41   return videoChannelCreated
  42 }
  43
  44 async function federateAllVideosOfChannel (videoChannel: MChannelId) {
  45   const videoIds = await VideoModel.getAllIdsFromChannel(videoChannel)
  46
  47   for (const videoId of videoIds) {
  48     const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
  49
  50     await federateVideoIfNeeded(video, false)
  51   }
  52 }
  53
  54 // ---------------------------------------------------------------------------
  55
  56 export {
  57   createLocalVideoChannel,
  58   federateAllVideosOfChannel
  59 }